NC0020389_Historical_2003-2008

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Permit Information that Needs to be Incorporated into Future Permit Re-Asions:
DATE
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Town of Benson
A To C No. 020389AOI
Issued September 26, 2006
Engineer's Certification
RECE!vp
COt? T UCTIO GI W'fS d
N.♦.�, I SEETON
1, k1k }1 , as a duly registered Professional Engineer in
the State of North Carolina, having e'en authorized to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the Benson W WTP, located on 770
Hannah Creek Road in Johnston County for the Town of Benson, hereby state that, to the best of
my abilities, due care and diligence was used in the observation of the following construction:
Replacement of two existing screw pumps, each having a capacity of 1,750 gpm;
replacement of 15 HP motors, gear drive assemblies, and associated
appurtenances to upgrade 8 existing brush rotor aerators in the oxidation ditches;
the addition of two new 15 HP brush rotors in the oxidation ditches; a new 50-
foot diameter secondary clarifier; replacement of three existing filter influent lift
pumps, each having a capacity of 1,710 gpm; rehabilitation of the existing tertiary
filters, improvements of the existing chlorination/dechlorination unit; all
associated site work, electrical work, yard piping, and appurtenances, in
conformity with the project plan, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural
Resources.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance and intent of the approved plans and specifications.
We understand that the new limits associated with the modifications to expand to 1.9 MGD now
apply.
Signature Registration No. 10 4-7
ivy —
Date O3 t5- p g
Send to: Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633

Mayor
William W. Massengill Jr,
Town Manager
Keith R. Langdon
Town Clerk
Connie M. Sorrell
Superintendent
Martin Morris
TOWN of BENSON
WatedWastewater System
Wastewater Treatment Facility
November 26, 2008
Mayor Pro Tent
Fredrick D, Nelson Jr,
Commissioners
Will T. Chandler
John R. Bonner.
Ray G. Smith.
Casandra P. Stack
Douglas V. Oglesby
Vicki Webb Environmental Specialist
Raleigh Regional Office
Surface Water Protection
1628 Mail Service Center
Raleigh, NC 27699-1628
Subject: Response to letter dated 11/07/2008
Dear Ms Webb:
We have reviewed our records for August 19-22 2008, Daily Operation logs and DMR
information and could not find any activities that would have caused the Toxicity sample to have
failed. In our July Toxicity sample the test had a low Treatment Mean Reproduction 17.25 and
was a Pass, in October the Treatment Mean Reproduction was 26.50.
If you have any questions or need more information please call me at 919 894 2373
Sincerely,
Martin Morris
Wastewater/Water Superintendent

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 07/31/08
Facility: TOWN OF BENSON
Laborat ry erformin Test: MERITECH, INC
NPDES#: NC0020389 Pipe#: 001 County: JOHNSON
S", (Comments:
Signacure or Lanoratory Supervisor I* PASSED: 18.50% Reduction *
Work Order: Environmental Sciences Branch
MAIL ORIGINAL TO: Div. of Water Quality
N.C. DENR
1621 Mail Service Center
North Carolina Ceriodaphnia Raleigh, North Carolina 27699-1621
Chronic Pass/Fail Reproduction Toxicity Test Chronic Test Results 1
Calculated t =
Tabular t =
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 % Reduction = 18.50
# Young Produced II21I25I13I22I20I22I23I21I22I19I24I22
Adult (L)ive (D)ead IIL IL IL IL IL IL IL IL IL IL IL IL
Effluent %: 90%
TREATMENT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
Young Produced 1116117118116116117119118116117118119
Adult (L)ive (D)ead IIL IL IL IL IL IL IL IL IL IL IL IL
% Mortality
Avg.Reprod.
0.00
21.17
Control
Control
0.00
17.25
Treatment 2
Treatment 2
Control CV
14.363%
% control orgs
producing 3rd
brood
91.7%
i
PASS FAIL
X I
Check one i
lst sample lst sample 2nd sample Complete This For Either Test
PH Test Start Date: 07/23/08
Control_ 18.07 8.40 18.01 7.83 8.03 7.83 Collection (Start) Date
Sample 1: 08 Sample 2: 07/24/O6
T reztment 2 7.01 7.35 7.01 7.42 7.39 7.41 Sample Type/Duration 2nd
ist P/F
s s s Grab Comp. Duration D
t e t e t e I S S
a n a n a n Sample 1 X 24 hrs L A A
r d r d r d U M M
t t t Sample 2 X 24 hrs T P P
lst sample lst sample 2nd sample
Hardness(mg/1) 42 'c7c
Control 7.45 7.40 7.67 7.36 7.50 7.18"' .......
Spec. Cond.(µmhos) 188 204 326
Treatment 2 7.48 7.32 7.54 7.34 7.54 7.20
Chlorine (mg/1) ...... 0.1
<C . _
LC50/Acute Toxicity Test Sample temp. at receipt(°C) c...... 2.03.3
(Mortality expressed as %, combining replicates)
%
I %
I % %
%
%
%
%
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%
I %I
%I
%j %
%
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%
%
Note: Please
Concentration Complete This
Section Also
Mortality
start/end start/end
Control
bit _
High
Conc.
PH D.O.
0 = %
Method of Determine%
Con i ence Limits
E
Moving Average Probit
-- %
Spearman Kerber - other
Organism Tested: Ceriodaphnia dubia Duration(hrs):
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

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:ility Status: (Please check one of the folio[ `
All monitoring data and sampling frequencies meet permit requirements
Compliant
All monitoring data and sampling frequencies do NOT meet permit requirements 0
Noncompliant
If the facility is noncompliant, please comment on corrective actions being taken in respect to equipment, operation, maintenance, etc.,
and a time table for improvements to be made.
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance
with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my
inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the
information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant
penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
/ /• �%l �" / SLR sit C'/' 11
Perm ittee (Please print or type)
Permittee Address
-7
/7stCdii'�=i
Signature of Permittee*'
e I
Phone Number
Dated
�r
'—
Permit Exp. Date
PARAMETER CODES
00010
Temperature
00556
Oil & Grease
00951
Total Fluoride
01067
Nickel
50060
Total
00076
Turbidity
00600
Total Nitrogen
01002
Total Arsenic
01077
Silver
Residual
00080
Color (Pt -Co)
00610
Ammonia Nitrogen
01092
Zinc
Chlorine
00082
Color (ADMI)
00625
Total Kjeldhal
01027
Cadmium
01105
Aluminum
Nitrogen
00095
00300
Conductivity
Dissolved Oxygen
00630
Nitrates/Nitrites
01032
Hexavalent Chromium
01147
Total Selenium
71880
Formaldehyde
00310
BOD5
00665
Total Phosphorous
01034
Chromium
31616
Fecal Coliform
71900
Mercury
00340
COD
00720
Cyanide
01037
Total Cobalt
32730
34235
Total Phenolics
Benzene
81551
Xylene
00400
pH
00745
Total Sulfide
01042
Copper
34481
Toluene
00530
Total Suspended
00927
Total Magnesium
38260
MBAS
Residue
00929
Total Sodium
01045
Iron
39516
PCBs
00545
Settleable Matter
00940
Total Chloride
01051
Lead
50050
Flow
Parameter Code assistance may obtained by calling the Water Quality Compliance Group at [phone], extension 581 or 534.
The monthly average for fecal coliform is to be reported as a GEOMETRIC mean. Use only units designated in the reporting
facility's permit for repotting data.
ORC must visit facility and document visitation of facility as required per 15A NCAC 8A .0202 (b) (5) (B).
'• If signed by other than the permittee, delegation of signatory authority must be on file with the state per 15A NCAC 211 .0506 (b)
(2) (D).

a
INFLUENT Month: July Year: 2008
NPDES NO: 0020389 DISCHARGE NO: 102
Fac. Name: County: JOHNSTON
00010
00310
00310
00530
Date
Dav
Time
2400
Comp.
Time
HRS
PH
STD UNI
TEMP.
DEG C
BODs
20*C
MG/L
TSS
MG/L
1
T
7:50
155.0
156.0
2
W
8:15
99.0
147.0
3
T
8:10
185.0
144.0
5
S
6
S
7
M
1 7:50
95.0
147.0
8
T
8:10
160.0
145.0
9
W
7:55
130.0
147.0
10
T
8:00
80.0
131.0
11
F
8:10
90.0
157.0
12
S
13
S
14
M
8:00
102.0
144.0
15
T
8:00
78.0
138.0
16
w
8:10
140.0
137.0
17
T
8:00
125.0
144.0
18
F
8:10
160.0
135.0
19
S
20
S
21
M
8:10
100.0
152.0
22
T
7:50
115.0
110.0
23
W
8:10
100.0
146.0
24
T
8:00
120.0
138.0
25
F
7:50
120.0
144.0
26
S
27
S
28
M
8:10
98.0
148.0
29
T
8:00
105.0
142.0
30
W
8:00
99.0
137.0
31
T
8:00
130.0 1
140.0
Monthly Average
#DIV/0!
118
142
Monthly Maximum
0
0.0
185
157
Monthly Minimum
0
0.0
78
110
Sample Type
Grab
Grab
Composit
Composit

NPDZB Mo: 0020389 DISCRARaB No: 103 1 Month: July
I Year > 2008
EFFLUZNT
Facility Name: Beason Wastewater Treatment Plant Class: Iv County: Jobaston
_
Fj',jrQjj'1`
Facility ORC.> Martin A. Morris - ante Iy Phone:
_
1919) 894-2373
CertlBed Laboratories 11 kleason POTW Lab IF 196
Cheek MORC ban cha■ged.>
Person (a) Collecting Samples => - --
stave Proctor
Mad original and one copy to:
Notes:
-
ATTN: Central Flies
R Date
Division of Water Quality
1617 Mad Saralee Center
By this signature, I certify that this report is accurate Below the Detection Limit of -
Raleigh, NC. 27699.1617
and complete to the bast of my knowledge
_ all Town Holidays will be highlighted
Operators
_ 71900_
I00630 00625 P3B 01034 0106
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PP I; 6;L LG/L .
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c0001
3.42 1.11
<5.0 <10
o
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6
7
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c0001
- - 1,73 1,i8
<5.0 <10
10
-
- - _-
- —_
11
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-12-
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14
16
<.0001
2.85 0.91
<5.0 <10
17
18
- 19 I
20
21
22
----
_ <.0001
4.75 1.35
PASS <5.0 <10
24—
25
26
- 27
28
29
30<.004
i
2.01 7.70
1 <5.0 <IO
Daily Average ERR
i
ERR ,,.„a' ERR
j ERR
ERR :<.0001
ERR ERR
12.95
2.45
0 ERR 1
Monthly Maximum ERR
r. .
ERR ERR ERR
ERR
ERR '<.0001
ERR ERR
4.75
7.70
0 ERR <5.0 <10
Monthly Minimum ERR
ERR I
ERR
ERR '<.0001'<
ERR ERR
1.73 0.91
0 ERR <5.0 <10
Semple Type C m G x -..:-
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Monthly Limit ` _
, - -
..
_
'lJeW Monthly Flow 0.00
Ma Lbs of] this Montle O
Dp Lin onotal Annual Nitrogea to Dab O

JIMM lta OOJ0869 D46CBA M UN 108
I Manth: Aagost
IToa > $
F&OW Essaw 8neea Waabniater Tnataeat Plant Chan: IV Caniatp: Johnston
FJM]tr
Fao0lty ORC.> Martin A. Math 1 Genie iV Phonies 19191$9418"
Catl6ed Laker starhs Bunion POM Loh 4 1
Check WOW has chaapd.>
Mall original and on copy ton
ATT6: Central Files
Division of Water Quality
I1617 Mail Service Center
II_.. Raleigh, RC. 27699.1617
Fairness W *sheet g 8aapins » 8beo Proctor
's. Daft: �
my this Wpmbrs. I eattfj that this aapart in 6aoarab
cad Oeapyb to the beat of nip kuerlsop
Ot": --
Below the Detection Limit of
all Town Holidays will be highlighted greer
Operate"
60060
00100
00400
60060
00810
00610
00880
31614
00300
00600
00666
00095
01045
01077
01092
° S
-,fs sir,
S
a
nm
Rots
g
a
e4
Date
N2400
-
MGD
DS(1C
UMf
UG/L
YG/L
MG/L
YG/L
4/100
MG/L
YG
MG/L
UM03
UG/L
UG/L
1
TF
08:00
8
1 YJ
0.742
126.6
7.03
0.00
3.8
< 0.10
16.90 1
1
7.7
13M
2
8
0.691
3
8
ONO
4
M
08:00
8
1 Y
1 0.718
126.8
6.76
0.00
3.6
< 0.10
1.70
< 1
7.6
350
5
T
09:00
6
Y
0.812
27.1
6.78
2.00
2.9
< 0.10
2.20
< 1
7.7
405
6
W
08:00
8
Y
0.842
26.8
6.89
0.00
2.2
0.17
2.90
7
7.9
3.99
409
7
T
08:00
8
Y
0.755
27.1
6.77
&00
4.5
0.26
3.00
< 1
7.6
1.58
400
8
F
08:00
8
Y
0.763
26.9
6.88
4.00
4.6
0.35
3.80
< 1
7.5
403
9
8
0.707
10
8
0.815
F46
11
M
08,00
8
Y
0.784
25.9
6.67
0.00
< 2.0
< 0.10
2.60
< 1
7.7
384
12
T
08:00
8
Y
0.761
24.7
6.87
2.00
< 2.0
0.30
3.10
4
7.8
407
13
W
08:00
8
Y
0.760
24.4
6.70
3.00
< 2.0
0.29
2.60
< 1
7.8
2.19
411
<10
14
T
08:00
8
Y
0.924
26.7
6.88
0.00
< 2.0
0.27
3.00
< 1
8.0
1.81
384
15
P
08:00
8
Y
1.138
26.9
6.89
0.00
< 2.0
< 0.10
1,90
< 1
8.1
387
16
8
1.190
17
8
1.169
18
M
08:00
sly
0.981
27.8
6.88
0.00
4.2
0.30
2.90
< 1
&0
379
19
T
4.00
8
Y
0.778
26.9
6.90
2.00
5.2
0.14
3.40
< 1
7.9
375
20
W
08:00
8
Y
0.745
27.2
6.90
0.00
3.4
0.14
4.00
< 1
7.8
4.82
398
<10
S2
21
T
08M.
8
Y
0.529
27.0
7.00
0.00
2.8
0.40
1.70
19
8.0
1.79
1 373
22
F
4.00
8
Y
0.735
27.6
7.40
2.00
2.3
0.28
3.80
11
&2
387
23
8
0.950
24
8
0.724
25
M
08A0
8
Y
0.777
29.6
6.78
4.00
2.7
0.12
4.10
< 1
8.0
379
26
T
08:00
8
Y
0.833
28.1
6.98
0.00
< 2.0
0.12
6.00
< 1
8.1
375
27
W
08:00
8
Y
0.946
28.3
6.77
2.00 1
2.4
< 0.10
4.60
31
7.9
5.95
393
28
T
08:00
8
Y
1.261
27.3
6.88
0.00
2.0
< 0.10
&00
< 1
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Dry Lhs orrotal Annual 1111tre0aa b Dab 14689

ty Status: (Please check one of the following)
All monitoring data and sampling frequencies meet permit requirements
Compliant
All monitoring data and sampling frequencies do NOT meet permit requirements
Noncompliant
If the facility is noncompliant, please comment on corrective actions being taken in respect to equipment, operation, maintenance, etc.,
and a time table for improvements to be made.
OA
U
2-
" 1 certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance
with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my
inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the
information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant
penalties for submitting false information, including the possibility of fines and i risonntent for knowing violations"
-7
Permittee (Please print or type)
POa 13ov (o �
Permittee Address
00010 Temperature
00076 Turbidity
00080 Color (Pt -Co)
00082 Color (ADMI)
00095
Conductivity
00300
Dissolved Oxygen
00310
BOD5
00340
COD
00400
pH
00530 Total Suspended
Residue
00545
Settleable Matter
Signature of Permittee** Date
Phone Number
PARAMETER
.�.m rt
Permit Ext). Date
00556
Oil & Grease
00951
Total Fluoride
OI067 Nickel
50060
Total
00600
Total Nitrogen
01002
Total Arsenic
01077 Silver
Residual
00610
Ammonia Nitrogen
01092 Zinc
Chlorine
00625
Total Kjeldhal
OI027
Cadmium
01105 Aluminum
Nitrogen
00630
Nitrates/Nitrites
01032
Hexavalent Chromium
01147 Total Selenium
71880
Formaldehyde
01034
Chromium
31616 Fecal Coliform
71900
Mercury
00665
Total Phosphorous
32730 Total Phenolics
81551
Xylene
00720
Cyanide
01037
Total Cobalt
34235 Benzene
00745
Total Sulfide
01042
Copper
34481 Toluene
00927
Total Magnesium
38260 MBAS
00929
Total Sodium
01045
Iron
39516 PCBs
00940
Total Chloride
01051
Lead
50050 Flow
Parameter Code assistance may obtained by calling the Water Quality Compliance Group at [phone], extension 581 or 534.
The monthly average for fecal coliform is to be reported as a GEOMETRIC mean. Use only units designated in the reporting
facility's permit for reporting data.
* ORC must visit facility and document visitation of facility as required per 15A NCAC 8A .0202 (b) (5) (B).
** If signed by other than the permittee, delegation of signatory authority must be on file with the state per 15A NCAC 2B .0506 (b)
(2) (D).

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Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date: 10/16/08
!2aci1ity: TOWN OF BENSON NPDES#: NC0020389 Pipe#: 001 County: JOHNSON
I
jLabo;,a ory 4erformin,&test: MERITECH, INC
' Comments: Dilution Water Satoh
X! t0Id O
j❑nature o: uvrat?3re4—
in Resoonsibie�aroe #695 & 696 Used
i PASSED:-14-80t Reduct'_nn '*
:._rk Order:
Environmental Sciences Branch
MAIL
ORIGINAL
TO:
Div.
of Water Quality
N.C.
DENR
1621
Mail Service Center
Raleigh, North Carolina 21699-1621
North Car==_na Ceriodaoh_^ia
Chror_= Gass/Fail
Eeproduction
Toxicity
Test
Chronic Test Results
Calculated c = -3.92-
Tabular _ = 2.506
-XT_ROL C?.-?3�ISMS
1 2
3 4
5
6 7
8
9
10
11 12
Reduction = -14-e'
% Mortality
Avg.Reprod.
_ 'bung Produced
22
22
27
22
26
25
22
20
22
24
22
23
0.00
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=ive ID)ead
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Control
Contrt_
26.50
Treatment 2
.c..-..c.._ _ ORGPSQISMS 2 3 4 5 0' 7 8 9 1-0 li i2
=55 FAI_
__o _ced I129127 26 27 25 25 27 29 27<9 20' 21 % cc-:t orgs
produce-:= 3rd
_ I I brood
Dread .iL L L L �L IL L IL L IL IL L
_ sample _st sample ?^i sample I _-_-_
Tes-
s s Graz -_ _z at__..
e t e t e c
a n a n a n Sam_t'_e 1 X l24.0 -_� L - -
r d r d r d
t t t Sam_rie 2 X 124.0 hrs' T = _
ist sample 1st sample 2nd sample
� I Hardness (mg/1) 46 ijj [iijj ii i ........
Contro'_ 7.55 7.'S 7.63 7.30 7.62 7.19
Spec. Cond.(µmhos) 17813^_:.
Treatment 2 i7.8617.32 7.63 7.27 7.77 7.46 .
Chlorine (mg/i )
-050%Acute Toxicity Test Sample temp. at receipc(°C) c...... C.4 C.-
.._rca'_ity expressed as %, combining replicates) .,
%i
__. �� Cerce Limits
Note: Please
Concentration Complete Tis
sois
Mortality Section Al
start/end start/end
Method of Determination Control
Moving Average Probit
Spearman Karber _ Other j' I High
Con-.
pH D.O.
Organism Tested: Ceriodaphnia dubia Duration(hrs):
Copied from DWQ form AT-1 (3/87) rev. 11/95 (DUBIA ver. 4.41)

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I y Status: (Please check one of the followinb,
All monitoring data and sampling frequencies meet permit requirements
Compliant
All monitoring data and sampling frequencies do NOT meet permit requirements F7
Noncompliant
If the facility is noncompliant, please comment on corrective actions being taken in respect to equipment, operation, maintenance, etc..
and a time table for improvements to be made.
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance
with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my
inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the
information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant
penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
T J�
Permittee (Please print or type)
Permittee Address
00010 Temperature
00076 Turbidity
00080 Color (Pt -Co)
00082 Color (ADMI)
00095 Conductivity
00300 Dissolved Oxygen
00310 BOD5
00340 COD
00400 pH
00530 Total Suspended
Residue
00545 Settleable Matter
S i 2nature of Permittee**
Phone
Date
Permit Exp. I
PARAMETER CODES
00556
Oil & Grease
00951
Total Fluoride
01067
Nickel
50060 Total
00600
Total 'Nitrogen
01002
Total Arsenic
01077
Silver
Residual
00610
Ammonia Nitrogen
01092
Zinc
Chlorine
00625
Total Kjeldhal
01027
Cadmium
01105
Aluminum
Nitrogen
00630
Nitrates/Nitrites
01032
Hexavalent Chromium
01147
Total Selenium
71880 Formaldehyde
01034
Chromium
31616
Fecal Coliform
71900 Mercury_
00665
Total Phosphorous
32730
Total Phenolics
81551 Xylene
00720
Cyanide
01037
Total Cobalt
34235
Benzene
00745
Total Sulfide
01042
Copper
34181
Toluene
00927
Total Magnesium
38260
MBAS
00929
Total Sodium
01045
Iron
39516
PCBs
00940
Total Chloride
01051
Lead
50050
flow
Parameter Code assistance may obtained by calling the Water Quality Compliance Group at [phone], extension 581 or 534.
The monthly average for fecal coliform is to be reported as a GEOMETRIC mean. Use only units designated in the reporting
facility's permit for reporting data.
* ORC must visit facility and document visitation of facility as required per 15A NCAC 8A .0202 (b) (5) (B).
** If signed by other than the permittee, delegation of signatory authority must be on file with the state per 15A NCAC 2B .0506 (b)
(2) (D).

October
• .
room" Mamas Baseness Wearmoder Trawtasom Punt ceases TV Countr Jobanstan
Man original MA "* OW tm Note s:
ATM: Central Files x Date:
Division of Water •,
Detection1617 Mail Service Coater by thk sigestue, I ewrife that this repse Is asenuate Below the
Relcip, IM 276WIGIT a" conspliew to the beet of my Inswerlselp all Town Holidays wiII be hi~ted green
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\o�ot WATE9oG
o Y o MIED
�t���sr
Keith Langdon, Town Manager
Town of Benson
P.O. Box 69
Benson, NC 27504
Subject: Whole effluent toxicity test results
Benson WWTP
NPDES Permit # NCO020389/001
Johnston County
Dear Mr. Langdon:
Michael F. Easley, Governor
William G. Ross, Jr., Secretary
North Carolina Department of Environment and Natural Resources
November 7, 2008
Coleen H. Sullins, Director
Division of Water Quality
The aquatic toxicity test using 24-hour composite samples of effluent discharged from Benson W WTP has
been completed. Benson WWTP has an effluent discharge permitted that is 1.5 million gallons per day
(MGD) entering Hannah Creek (7Q10 of 0.0 CFS). Whole effluent samples were collected on August 19
and August 22 by Vicki Webb for use in a chronic Ceriodaphnia dubia pass/fail toxicity test. The test
using these samples resulted in a fail. Toxicity test information follows.
Test Type 3-Brood Ceriodaphnia dubia pass/fail
Test Concentrations 90% sample
Test Result Fail
Control Survival 100%
Control Mean Reproduction 24.0 neonates
Test Treatment Survival 100%
Treatment Mean Reproduction 9.25 neonates
First Sample pH 6.88 SU
First Sample Conductivity 394 micromhos/cm
First Sample Total Residual Chlorine <0.0052 mg/L
Second Sample pH 7.15 SU
Second Sample Conductivity 401 micromhos/cm
Second Sample Total Residual Chlorine <0.0052 mg/L
N�On�`1tCuraaz1;o e
�vat
North Carolina Division of Water Quality Raleigh Regional Office Surface Water Protection Phone [phone] Customer Service
Internet h2o.enr.state.nc.us 1628 Mail Service Center Raleigh, NC 27699-1628 FAX [phone]
An Equal Opportunity/Affirmative Action Employer-50% Recycl"10% Post Consumer Paper

Benson WWTP
NPDES Permit # NC0020389/001
Johnston• County
It is requested that you respond in writing with in 20 days of receipt of this correspondence. Your
response should address activities during that week of sampling that could cause the sample to fail.
Please include any other supporting documentation that the facility may have.
If you have any questions concerning the toxicity sampling or results, please contact me either by phone at
[phone] or email at vicki.webb(a)ncmail.net.
Sincerely
Vicki Webb
Environmental Specialist
cc: RRO files

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10/23/08
1400
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AM normal
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PM normal
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10/23/08
1400
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Inf.
AM normal
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PM normal
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Arc Bar Screen
Grit Chamber
Organic Return
Inf. Flow Meter
Head Works
Mode
I
Status
Mode
Status
Mode
Status
Mode
Status
Equipment
on
rational
off
Operational
off
Online
on
Operational
Inf. & Eff.
Sampler
Inf. Mode & Status
Eff. Mode & Status
Inf. & Eff.
Refrigerator
Inf. Mode & Status
Eff Mode & Status
on oper.
on oper.
on oper.
on over.
Pump # 1
Pump # 2
Pum
# 3
Ind. Screw
Oper.
Mode
Status
Oper. Mode
Status
Oper. Mode
Status
PUMPS
on
Operational
off
Operational
on
Operational
Pump # I
Pump # 2
Pump
# 3
Filter Lift
Oper.
Mode
Status
Oper. Mode
Status
Oper. Mode
Status
Pumps
La
ODerational
Lead
rational
Lap
ODerational
Return Sludge Pumps
Pump
I
on
Operational
Pump 2
on
Operational
Scum Pumm
Pump
1
on
2Erational
Pump 2
on
Operational
Lagoon Pum
Pump
1
off
Operational
Pump 2
off
Pum
Pum
1
off
rational
Pum 2
off
Surface Wash Pum
Pum
I
off
Oflline
Pum 2
off
VrationalBackwash
Seal/Wash Water Pum
Pum
I
on
rational
Pum 2
off
Post Aeration
Aerator
on
rational
Flow Meter
on
Chlorine
Re
. # 1 Pre -Filter I
Re .
# 2 Contact Chamber
Lbs/day
+ From to
From to I
+ From to
From to
Change
Date
LBS.
Scale #
I Scale #
LBS.
Note
Cl, Cylinder
6/23/08
1400
Effluent
Inf.
AM normal
Time 08:05
PM normal
Time
16:25
Appearance
Eff.
AM clear
Time 08:15
PM clear
Time
16:35
Auxiliary I
Hours
I Eng. Oil add/amt
I Fuel Level I
Change Filters
I Operator
Generator 1
788.9
1Y Q N
LJ Qts.
I I
YLJ NLJ
I//
M
LOAD MANAGEMENT
Date
Start
End
Date
Start
End
Operator
Operators Comments Plant Fine, Cleaned Ark Bar, Bar Screen, and Clarifier Weirs,
LAGOON #1 2.02
ft. LAGOON #2 1.90 ft.
RAIN

09/11/2008 13:13'•nd-)A—_ C
SEP 10 2008
c\
PERCS S •A A PAGE 01/15
V"S1(e� oti.,►-
1 Form CS-SSO
ji�n System Sanitary Sewer Overflow Reporting Forte
i PART I
This form shell be sub-' tp fhe 96NF..... i BANGYIRegional office within five_ days of the first knowledge of
the sanitary sower overflow (SSO).
Parnit Number: MC 00 2 030` (wCCS# ifsave, otherwise use WOCSD#)
Facility: .�orfln P ,B4h gam (r&/7-/f Incident# 2oor ©2S�
owner; Rego;
Gh,. County:
Source of SSO (cheek applicable) : ❑ Sanitary sewer 2r Pump Station I Litt Station
SPECIFIC location of the SSO (be consistentir) description fro�R pest 9 pons, or documefytetiafl � 1�0. 2)Typ Staten 8/
Manhole at Westan ragg Street, etc.) :'-
Manhole# 4
Latitude (degrees/minuta/second): 3,.§- 1.
Incident Started Dt �'`" Tlme: IS — II
(mm,dd.yyyy) hlr:mm AMMM
Estimated volume of the SSO: Clog O 0 gallons
Describe how the volume was determined:
Weather conditions during SSO event
Did SSO ranch aurfece waters7IJ Yos o No❑ unknown
Surface water name; 't - -
Did the SSO result in a fish kill? ❑ Yes 014o❑ Unknown
Longitude(degrees/minutelswmd): 7F' ' =z))
inddent End Dt -;W) L Z ' Timame: 'r
(mm4d- y") hh:mm AMPM
Estimated Duration (Round
volume reaching surface waters (gallons): L1 K'd4,9
It Yes, what is the estimated numberof tish killed?
SPECIFIC cause(#) of the SSO:
❑ Severe Natural Condition ❑ Grease ❑
❑ InOow and IrAltration a Pump Station Equipment Failure ❑
❑ Vandalism ❑ Debris In line ❑
❑ Pipe Failure (Break) 10
2449M verbal notification (name of person contacted)__,..W
0 DWQ 0 Emergency Mgmt. Date
Room
Power outage
Other (Pleas explain in Part II)
(hh:mm AMIPM)' q all /�•r't
If an SSO is ongoing, plans@ notify Regional Office on a daily basis until SSO can be stopped.
Per G.S. 143.216.1C(b), are responsible party of a discharge of 1,000 gallons or more of untested wastewater to surface
waters shall Issue a pross releasewM* 48-hours of first knowledge to all print and aiectonlo mews media providing genwal
coverage in Ora oatmy ,`ifigld1"scirarge occurred. When 16,000 gallons or more of untreated wastewater enters surface
waters, a public notes shag be published within 10 days and proof of publication shall be provided to the Division w*ln 30 days.
Refer to the eren statute for further detail.
The Director, Division of Water Quality, may taks enforcement action for SSOs that are required to be reported to Division unless It
e amens
1) the discharge was caused by severe natural conditions and there were no feasible alternatives be the discharge; or
2) the discharge was exceptional, unintentional, temporary and caused by factors beyond the reasonable central of the Penntttae
andlor owner, and the discharge could rat have been prevented by the exercise of reasonable control.
Part II must be completed to provide a justification claim for either of the above situations. This Information will be the basis
for the determination of any sMorcernaM Acton. Therefore, it is Important to be as complete as
WHETHER OR NOT PART II IS COMPLETED, A SIGNATURE 1
Cs-SSO Form Post•it• Fax Note 7671
From
�r4s

09/11/2008 13:12 1---3'4pps9 PERCS • PAGE 02/15
Form CS-SSO
Colle ion System Sanitary Sewer Overflow Reporting Form
PART I I
ANSWER THE FOLLOWING QUESTIONS FOR EACH RELATED CAUSE CHECKED IN PART I OF THIS FORM AND
INCLUDE THE APPROPRIATE DOCUMENTATION AS REQUIRED OR DESIRED
COMPLETE ONLY THOSE SECTIONS PERTAINING TO THE CAUSE OF THE SSO AS CHECKED IN PART I
(In the check boxes below, NA = Not Applicable and NE = Not Evaluated)
A HAROCOPY OF THIS FORM SHOULD BE SUBMITTED TO THE APPROPRIATE DWQ REGIONAL OFFICE
UNLESS IT HAS BEEN SUBMITTED ELECTRONICALLY THROUGH THE ONLINE REPORTING SYSTEM
CS.SSO Form Page 2

69/11/`_'108 13:12 1 3-"'1'19 PEPCS 0 F::--E ij3/15
Severe Natural Condition (hurricane, tornado, etc.)
Describe the 'severe natural condition' in detain �H
Now much ad ,We waming did you have and what actions were taken in preparation for the event?
Comments:
C-MSO Form Page 3

09/11/2008 13:12---"7?°QQ59 PEPCS 0 PAGE 04/15
Grease (Documentation such as cleaning, inspections. enforcement actions, ast overflow
tons m ena an t u r ndate,e c� s ou a av t upon re uesf.)
When was the last time this specific lino (or wet well) was cleaned? Allp-
Do you have an enforceable grease ordinance that requires new or retrofit of grease trapslintereeptors? ❑ Yos_I No F2rNNAED NE
Have there been recent inspections and/or enforcement actions taken on nearby restaurants or other n yec No LI NA❑ NE
nonresidential grease contributions?
ExPlaln.
Have there been other SS09 or blockeps in this eras that wera also caused by grease?
When?
If yes, describe them:
Have cleaning and inspections ever been increased at this location?
Explain.
Have educational materials about groaso boon distributed in the past?
When?
and to whom?
No EI NAQ NE
No V NAn NE
No O NAO NE
Explain?
If the 550 occurred at a pump station, when was the wet well and pumps lest checked for grease
accumuleflon?
Were the floats dean? ❑ Yea No I!1 NAn NE
Comments:
Form Page 4

09/11/2009 13:12 t 3nmQa9 PERCS • PAGE 05/15
Roots
Do you have an active mot control program on the line / area in question?
Describe
Have cleaning and Impeetlons ever been Increased at this location because of roots?
explain
What oorcectfve actions have been accomplished at the SSO location (and surrounding system if
associated with the SSO)?
What corrective actions are planned at the SSO location to reduce root Intrusion?
❑Y'CNoZ IO NE
Has the line been smoke tested or vldeoed within the past year? myeC -�-'D NE
If Yes, when^
Comments:
CS-SSO Form Page 5

09/11/2008 13:12 1 3000=9 PERCS 0 PAGE 06/15
Inflow and Infiltration
Are you under an SOC (Special Order oy Consent) or do you nave a schedule in any perrnit that ❑ YIND No014AQ NE
addresses IA?
Explain if Yes:
What corrective actions have been taken to reduce or eliminate I & I related overflows at this spill looation
within the last year?
Has thera been any flow studles to determine I/I problems in the collection system ❑
at the SSO location? _ Y _ No IQ NqNE
It Yes, when was the study oemplated and whet actions din It recommend?
Has the line been smoke tested or vldeoed within tho pastyear9 � y;No KAL7NE
If Yes, when and indicate what actions are necosmy and the status of such actions:
Are there 1/1 rotated projects In your Capital Improvement Plan? ..-_�Y_ _ No NA❑ NE
If Yes, explain:
Have there boon any grant or loan applications for IA reduction projects? Y „J No 12NA0 NE
If Yes, explain:
Do you suspect any major sources of Inflow or cross connections wnh storm sowers? YeL No NA❑ NE
If Yes, explain:
Have all lines contacting surface waters In the SSO location and upstream been inspected recently? ❑ Ye No NA❑ NE
If Yes, explain:
What other corrective actions are planned to prevent future 1/1 related SSOs of this location?
Continents:
cs-sac Form Pace 6

L y: IKid 1--:1, 1 3'eO59 PIERCE 0 PAGE 07/15
Pump Station Equipment Failure (Documentation of testing, records etc., shoul be provided upon request.
What kind of notification/alarm systems are present?
Auto-dialer/telemetry (one-way communication) ❑ Yee
Audible ❑ Yes
Visual ❑ Yos
SCADA (two-way communication) ❑ y"
Emergency Contact Signaga yes
Other ❑ yes
Describe the equipment that failed?
.L
_. 3^S�T7�� ��rn ���/g-f /1114� con7rvs
What kind of situations blgger an alarm condition at this (i.e. pump failure, power failure, high
water, etc.)?
Were notMeation/alarm systems operable? I Ye9_f No , NA0 NE
If no, explain:
If a pump failed, when was the lest malntenanoe and/or Inspection performed?
What specifically was checked/maintained?
Sal' i' V'C
If a Valve failed, when was It last exercised? ��/�
Were all pumas set to alternate, I_ Ye10 No rNA❑ NE
Did any pump show above normal run times prior to and during the SSO event? ❑ Ye -I No �LI NNAn NE
Were adequate spare parts on hand to fix the equipment (switch, fuee, valve, seal, etc J? ❑ YeC No F;rNNA' C] NE
Was a spare or portable pump immedlatefy available? ❑ YeL7 No I!I NAO NE
CS-SSO Forth page 7

69/11/2008 13: 12 _""�'S9 PERCS FACE 00/15
If a float problem, when were the floats last tested? How?
If an auto dialer or SCACA, when was the system last tested? How!
CS-580 Form image 8

09/11/2008 13:12 1---30nD99 PERCS 0 PAGE 09/15
Power outage (Documentation of tesd , records, etc., should be provided of alternative power source
l� requ — -
Mat Is your alternate power or pumping souroa?
Did It function property?
Describe?
71z,f w.ed(
When was the alternate power or pumping source last tested under Iead?
If Caused by a weather event, how much advance warning did you have and what actions were taken to
prepare for the event?
Comments;
No n NAQ NE
CS-SSO Form page 9

09/11/2008 13:12 1 3--9 PERCS
0 PAGE 10/15
Vandalism
Provide police report number,
Was the slte secured?
If Yes, how.)
Have there been previous problems wBh vandalism Of the SSO "tlon?
Q Y9>D M El NA`I NE
' LJ reaLl No gt'U U NE
If Yes, explain:
What security measures have been put in place to prevent similar occurrences In the future? 9Y7No NA❑ NE
Comments:
CS-SSO Form Page 10

09/11/2008 13:12 ] 1?1..99 PERCS • PAGE 11/15
Debris in line (Rocks, sticks, rags and other items not allowed in the collection system, etc.)
What typo of debris has boon found in Iho tine?
Suspected cause or source of debris.
Are manholes In Me area secure and intact? ��va,�W E NAQ NE
When was the area last chocked/cleaned?
Have clearing and inspections ever been Increased at this location due to previous problems with debris? a YeiD No NAO NE
Explain.
.ore appropriate educational materiels being developed and distributed to prevent future similar Y� NoZ.[] NE
occurrences?
Comments:
CS-SSO Form Page 11

09/11/2008 13:12 1----2'°°99 PERCS • PAGE 12/15
Other (Picture_s and police report, as applicable, must be available upon request.)
Describe
Were adequate equipment and resouroee aV24able to fix the problem? 7OZYewNoOMONE
It Yes, explain:
If the problem could not be Imme8letely repalred, what ecticns were taken to lessen the impact of the
SSO?
Comments.
Docvv✓ .
Od C-IV"lv�-
Od V 71-
l �e GtA-- l .r
w CAS 3 oC gad rr
'7�1Z e-
Id
fvU
CS-SSO Form __.. Page 12

. 09/11/2008 13:12 1-"--?'°°59 PERCS . PAGE 13/15
Pipe Failure (Break)
Pipe size (inches)
What is the pipe material?
Whet is the approximate age of Ilne/plpe? (years old)
IS this a gravity I lne? ❑ Yes❑ No z NNon NE
IS this a force main line? [I Yet ^f No,ZrNNq❑ NE
is the line a "High Priority" line? ❑ YW-1 No ✓I NAD NE
Last inapectlon date and findings
If a force main then,
Was the break on the force main venfical? ❑ Y80 ,No2"NA 0 NE
Was the break on the force main horizontal? ❑ YeL No NE
Wes the leek at the joint due to gasket failure? ❑ Ye7 l NoF—fti ❑ NE
Was the leak at the Joint due to split bell? El Yes: No hJNAL NE
When wits the lost inspection or teat of the nearest air -release valve to determine of operable?
Winen was the last malntenace of the air release performed?
If gravity sewer than, (
Does the line receive Bow from a force main Immediately upstream of the felled section of pipe? ❑ Yo�I No I' ,�NA7 NE
If yes, what measures are taken to control the hydrogen sulfide production?
When was the tine last inspected or videaed?
CS-SSO Form Page 13

09/11/2008 13:12 ]- "°Q59 PERCS . PAGE 14/15
It line collapsed. what is the condition of the line up and down stream of the failure?
What type of repair was made?
Is the repair temporary or permanent?
If temporary. when Is the permanent repair planned?
Have there been new failures of this line In the past flue years? O Y
If so, then describe
us-ssu Torn Page 14

09/11/2008 13:12
1----o00059
PERC
PAGE 15/15
§yqtm Visitatbn
ORC
Backup
Name: A"I j� ,L�r •'(
Cartit
Date visited:
Time vbited:
AI&, A i s
❑ Yes
t -I -� /-1,)V I
How was the SSO remedlated (i.e. Stopped and cleaned
d up)?
As a representatNe for the responsible party, I certify that the information contained in this report is true and accurate to
e 90M Or my Knowledge, %% C C!g^ n/
Person submitting Balm: 0 / I //(�Q�Q� rS Oate: *�7/ 0 — Lc.05
Signature: f .114L V� &
Title: -% /�, �---")a-- t
Telephone Number 91j B q � ), 3 7,1'
Any additional information desired to be submitted should be sent to the appropriate Division Regional Office within five days of first
knowledge of the SSO with reforance to the incident number (the incident number is only generated when electronic entry of this
form is completed. Honed).
EEP 0 2008
I
DENR. WATER
IFY j
-_.._...__ Fi)INi SOfIRr[ g2;wCH _. ._
CS-SSO Form page t

��y-� Form CS-SSO
LJIx I Collection System Sanitary Sewer Overflow Reporting Form
PART I
This form shall be submitted to the appropriate DWQ Regional Office within five days of the first knowledge of
the sanitary sewer overflow (SSO).
Permit Number: N6 �(%c%,y3gI � AA (WQCS# if alive, otherwise use treatment plant NC/WQ#)
Facility: Zl wA 13e-A 5'r)A () uLr- V Incident#
Owner: 70WA so h Region:
City. 8o K Cc County: f 7 e n
f¢ waiar
Source of SSO (check applicable) : ❑ Sanitary Sewer � Pump Station PIY4K-
�p'S
SPECIFIC location of the SSO (be consiste t in description from past reports o documentation - i.e. Pump Stati9q 6,
Manhole at Westall & Bragg Street, etc.) : �� h s��%i D✓l w li/ f✓ T P 7 7O /"r0.n n Cl(
J I/
Latitude(degrees/minute/second): aJ-,5,r/l �3 'Longitude(degrees/minute/second): 72 3Q� Lg
Incident Started Ot: 15 331 + /`Ova Time ' 0(9 P11` Incident End Dt 0G _ (7/ IM Time: ' 00 1
(mm-0d-yyyy) hh:mm AM/PM (mm-dd-yyyy) hh:mm AM/PM
j
Estimated volume of the SSp: gallons Estimated Duration (Round to nearest hour): P
L 00R't ; wf" .5 ove-
Describe how the vo ume was determined:
Weather conditions during SSO event: C&GrR-r
Did SSO reach surface waters? El Yes LE No ❑ Unknown Volume reaching surface waters (gallons)
Surface water name
Did the SSO result in a fish kill? ❑ Yes I[J No ❑ Unknown If Yes, what is the estimated number of fish killed''
SPECIFIC cause(s) of the SSO:
❑ Severe Natural Condition E Grease ❑ Roots
ElInflow and Infiltration Mump Station Equipment Failure ❑ Power outage
❑ Vandalism ❑ Debris in line _ I ❑ Other (Please explain in Part II)
ZImrr] date 24-hour verbal notification reported to.
date
0 Emergency Mgmt.
Date (mm-dd-yyyy): b6^ (P1 ZC0gTime (hh: mm AM/PM): 1 Od /VT
If an SSO is ongoing, please notify Regional Office on a daily basis until SSO can be stopped.
Per G.S. 143-215.1 C(b), the responsible party of a discharge of 1,000 gallons or more of untreated wastewater to surface
waters shall issue a pressrelease within 48-hours of first knowledge to all print and electronic news media providing general
coverage in the county wher�scharge occurred. When 15,000 gallons or more of untreated wastewater enters surface
waters, a public notice shall be published within 10 days and proof of publication shall be provided to the Division within 30 days.
Refer to the referenced statute for further detail.
The Director, Division of Water Quality, may take enforcement action for SSOs that are required to be reported to Division unless it
is demonstrated that.
1) the discharge was caused by severe natural conditions and there were no feasible alternatives to the discharge; or
2) the discharge was exceptional, unintentional, temporary and caused by factors beyond the reasonable control of the Permittee
and/or owner, and the discharge could not have been prevented by the exercise of reasonable control.
Part II must be completed to provide a justification claim for either of the above situations. This information will be the basis
for the determination of any enforcement action. Therefore, it is important to be as complete as possible.
WHETHER OR NOT PART II IS COMPLETED, A SIGNATURE IS REQUIRED AT THE END OF THIS FORM.
CS-SSO Form October 9, 2003 Page 1

•
vd A rf °c Form CS-SSO
a
Collection System Sanitary Sewer OVerflow Reporting Form
PART I I
ANSWER THE FOLLOWING QUESTIONS FOR EACH RELATED CAUSE CHECKED IN PART I OF THIS FORM
AND INCLUDE THE APPROPRIATE DOCUMENTATION AS REQUIRED OR DESIRED
COMPLETE ONLY THOSE SECTIONS PERTAINING TO THE CAUSE OF THE SSO AS CHECKED IN PART I
In the check boxes below, NA = Not Applicable and NE = Not Evaluated
A HARDCOPY OF THIS FORM SHOULD BE SUBMITTED TO THE APPROPRIATE DWQ REGIONAL OFFICE
UNLESS IT HAS BEEN SUBMITTED ELECTRONICALLY THROUGH THE ONLINE REPORTING SYSTEM
Severe Natural Condition (hurricane, tornado, etc.)
Describe the "severe natural condition" in detail.
How much advance warning did you have and what actions were taken in preparation for the event?
Comments:
Grease (Documentation such as cleaning, inspections, enforcement
actions, past overnow reports, educational material and distribution date,
etc. should be available upon request.)
When was the last time this specific line (or wet well) was deaned?
Do you have an enforceable grease ordinance that requires new or retrofit of grease trapslnterceptors?
Have there been recent inspections and/or enforcement actions taken on nearby restaurants or other
nonresidential grease contributors?
Explain.
❑Yes❑ No UNA❑NE
❑Yes❑ No IJNA ❑NE
Have there been other SSOs or blockages in this area that were also caused by grease? Yes❑ No ONA ONE
When?
If yes, describe them:
Have cleaning and inspections ever been increased at this location? ❑Yes❑ No ONADNE
Explain.
CSSSO Form October 9, 2003 Page 2

Have educational materials about grease been distributed in the past? • ❑Yes❑ No & ONE
When?
and to whom?
Explain?
If the SSO occurred at a pump station, when was the wet well and pumps last checked for grease
accumulation?
Were the floats dean?
Comments:
Roots
Do you have an active root control program?
Describe
❑Yes❑ No 0 NA ❑ NE
❑Yes[ NoLJ NA❑NE
Have cleaning and inspections ever been increased at this location because of nests? ❑Yes❑ No NA NE
Explain:
What corrective actions have been accomplished at the SSO location (and surrounding system if
associated with the SSO)?
What corrective actions are planned at the SSO location to reduce root intrusion?
Has the line been smoke tested or videoed within the past year? 11 Yes❑ No DNA 11 NE
If Yes, when?
Comments:
Inflow and Infiltration �_,/
Are you under an SOC (Special Order by Consent) or do you have a schedule in any permit that ❑Yes1A No ❑NA IDNE
addresses IA?
CS-SSO Form October 9, 2003 Page 3

rI
L_
Explain if Yes.
What corrective actions have been taken to reduce or eliminate I & I related overflows at this spill location
within the last Year-, 1--�
Has there been any Now studies to determine 1/1 problems in the collection system at the SSO location? ❑Yes❑ No MNA ❑NE
If Yes, when was the study completed and what actions did it recommend?
Has the line been smoke tested or videoed within the past year? 11 Yes❑ No ZZ 1:1NE
If Yes, when and indicate what actions are necessary and the status of such actions:
Are there III related projects in your Capital Improvement Plan? Uye.OtEIINA L1 NE
If Yes.. explain
Have there been any grant or loan applications for 1/1 reduction projects? 11 YeeNIEINA DINE
If Yes, explain
Do you suspect any major sources of inflow or cross connections with storm sewers? 11yeZ No ❑NA ❑NE
If Yes, explain.
Have all lines contacting surface waters in the SSO location and upstream been inspected recently? ❑Yes❑ No NA ❑NE
If Yes, explain:
What other corrective actions are planned to prevent future 1/1 related SSOs at this location?
Comments
Station Equipment Failure (Documentation of testing, records etc.
What kind of notification/alarm systems are present? /I/O Vl `�_
Auto-dialer/telemetry (one-way communication)
❑Yes
CS-SSO Form October 9. 2003 Page 4

Audible cites
Visual ❑Yes
SCADA (two-way communication) ❑Yes
Emergency Contact Signage ❑Yes
Other ❑Yes
Describe the equipment that failed?
/vf.tvk _ ASta-/(0-
What kind of situations trigger an alarm cor
water, etc.)? /fV 19 1 w
Were notification/alarm systems operable?
If no, explain
-
�Ae- evLn wa j a- ry
j If a pump failed, whhen was the last mainten,
?Vw'l7 fit -A, Two
What specifically was checked/maintained?
If a valve failed, when was it last exercised?
Were all pumps set to alternate?
Ep
ion at this station (i.e. pump failure, power failure, high
I
V r�
and/or inspection p
U YeU No UNA UNE /
a/t'l Ay 111m V;LfV'-ee.
)nned? L /
e- f G6« �Jo y Lo L lI s.c�
Did any pump show above normal run times prior to and during the SSO event?
Were adequate spare parts on hand to fix the equipment (switch, fuse. valve, seal, etc.)?
Was a spare or portable pump immediately available?
❑Ye��I No ❑NA ❑NE
ll❑Yest�IFJXNo❑NA❑NE
fW�JYesUII No❑NA❑NE
NJY E No❑NA❑NE
If aflfloat problem, when were the floats last tested? How?
/he- oa�r t✓�rG wo� ti Dp��%D� mn h"UL
If an auto -dialer or SCADA, when was the system last tested? How?
C/o�m-m/entsh
a-s o bG - 0 3 — 20c) �
CSSSO Form October 9, 2003 Page 5

•
rower outage pocumentauon of testing records etc. snoula cc
provided of alternative power source upon request.)
vvnat is your aitemaie power or pumping source r
Did it function properly? LJYesU No
Descnbe?
When was the alternate power or pumping source last tested under load?
If caused by a weather event, how much advance waming did you have and what actions were taken to
prepare for the event?
Comments
Vandalism
Provide police report number.
Was the site secured?
11yeE No ZNA❑NE
If Vcc hnu9
Padlocked Control Panel
Have there been previous problems with vandalism at the SSO location? Yes❑ No NA NE
If Yes, explain
What security measures have been put in place to prevent similar occurrences in the future? []Yes] No NA ❑NE
Comments
Debris in line (Rocks sticks rags and other items not allowed in the
collection system, etc.)
What type of debris has been found in the line?
How could it have gotten there?
Are manholes in the area secure and intact? UyeLj No NA NE
CSSSO Form October 9, 2003 Page 6

When was the area last checked/cleaned?
Have cleaning and inspections ever been increased at this location due to previous problems with debris? ❑Yes❑ No ZNA ❑NE
Explain
Are appropriate educational materials being developed and distributed to prevent future similar ❑Yes❑ No M ONE
occurrences?
Comments
Other (Pictures and a police report should be available upon request.)
Descnbe
Were adequate equipment and resources available to fix the problem? Yes❑ No .. ❑NE
If Yes, explain.
If the problem could not be immediately repaired, what actions were taken to lessen the impact of the
SSO?
Comments
For DWQ Use Only:
DWQ Requested an Additional Written Report: ❑Yes❑ No ❑NA LINE
If Yes, What Additional Information is Needed:
Comments
CS-SSO Form October 9, 2003 Page 7

Person submitting claim: It) 0 1-4 i N
I certifv that the
/a. MOM""
rate
Date:ol - 0 5 - '7-�O �-
Signature: Title55
Telephone Number: % / ! (y y z� Z 3 7
Any additional information desired to be submitted should be sent to the appropriate Division Regional Office within five days of first
knowledge of the SSO with reference to the incident number (the incident number is only generated when electronic entry of this forth
is completed, if used).
CSSSO Form October 9.. 2003 Page 8

Im
•
Michael P. Easley. fiovemor
O+e W AT §
Mr. Keith Langdon, Town Manager
Town of Benson
PO Box 69
Benson, North Carolina 27504
Dear Mr. Langdon:
Witham G. Ross Jr- Secretary
North Carolina Ikpartmem of Envimnment and Natural Resources
Coleen H. Sullim. Dimelor
Division of Water Quality
August 29, 2008
RECEIVED
SEP 02 20
QENR - WF7FVl1i-F REGIQFllu 1FPCF
Subject: TARA Group of Lumberton
Change Order #3 - FINAL
Benson WWTP Upgrade
Project No. E-SRL-T-05-0070
The Construction Grants & Loans Section of the North Carolina Division of Water
Quality has concluded the review of subject change order and supporting documentation
received August 4.
The following determination has been made:
Change Order No. 3 - Total Contract Change: $ 15,024.31
SRL Eligible Part: $ 15,024.31
Original Eligible & Total Contract: $ 2,143,100.00
Contract and Eligible after CO #3: $ 2,183,508.17
Please note the loan amount is for and remains limited to $1,750,000
Change order No. 3 is UG pipe revision, new MH, steps, grates and GFI receptacles.
The fifty-six (56) calendar day contract time extension associated with this change
order is considered eligible. Project completion date is changed from April 17, 2008
to June 12, 2008.
This change order with related procurement documentation has been found to be in
compliance with applicable SRL regulations. However, it should be understood that this
approval is administrative only and does not relieve the recipient of the responsibility to
ensure the validity of the supporting documentation including the corresponding cost and
pricing data. Accordingly, this approval is without prejudice to a re -determination of
allowabletunallowable costs should a post approval review or audit disclose facts not now
discernible.
13h4Aq;_ ..rq(:onch'GmupgwhZOi.rn=� rARA B808-29bG
Construction Grants and Loans Section ne
1633 Mail Service Center Raleigh NC 27699.1633 NocofthiCarolina
Phone: [phone] FAX: [phone] / Internet: www.nccgl.net s.
An Equal Opportunity/Affirmative Action Employer— 500r6 Recycled/Hr/. Post Consumer Paper
w
V

Mr. Keith Langdo •
TARA Group Change uraer rf3 - FINAL
WWTP Improvements
August 29, 2008
Page 2 of 2
Time extensions are approved for purposes of funding eligibility only. Any
compliance schedules contained in an SOC, JOC, permit, or other compliance or
enforcement document issued by the North Carolina Department of Environment and
Natural Resources or others, are not affected by this determination.
This letter should be filed with the other SRL project documents in your possession.
If you have any questions or comments, please contact Gerald Horton at 919-715-6219, or
via e-mail address at [e-mail].
Sincerely,
Mark L. Hubbard, P.E., Assistant Chief
Construction Grants and Loans
mom
cc: Ralph Mobley, P.E., The Wooten Co. Raleigh office
Belinda Henson, Fayetteville Regional Office DWQ
CG&L - Jennifer Kinghom, Gerald Horton
SRL
=-eHAFE Pc�xi NaneGerta a or .:onsv II reC-"n% -A. pp pens �.. gn ,.,.:f 74nA d8-0&25 me

• Michael F. F-alley. Governor
William G. Ross Jr.. Secretary
North Carolina Department of E nvironnrent and Natural Resources
Coker Suitias Director
Division of Water Quality
August 27, 2008
Mr. Keith Langdon, Town Manager
Town of Benson
P.O. Box 69
Benson, North Carolina 27504-0069
SUBJECT: Town of Benson
WWTP Upgrade
Project No. E-SRL-T-05-0070
FINAL Inspection
Dear Mr. Langdon:
A Final inspection was conducted on August 25, 2008 on subject project at the site.
The project appears to be complete and operational. Subject to resolving items noted in
attached final inspection report, the work was found to be satisfactory and is recommended for
final payment.
You should review this report and take any actions as noted. If you have any questions,
please contact me at [phone] or via e-mail at [e-mail].
Gerald W. Horton, PE
Environmental Engineer
Construction Inspection Unit
G W I lice h
cc: Charles Davis, PE, Ralph Mobley, PE, The Wooten Co.
DWQ Raleigh Regional Office
CG&L - Mark Hubbard, PE, Jennifer Kinghorn
SRL
Construction Grants & Loans Section
1633 Mail Service Center Raleigh NC 27699-1633
Phone: [phone] FAX: [phone] r Internet: www.nccgl.net
�r SEP — 2 20
nFnr
One
NorthCarolina
Naturally
An Equal OpportunityiAffirmative Aaron Employer— 50% Recycledrl0% Post Consumer Paper

Benson WWTP Upgrade i qw FINAL INSPECTION
E-SRL-T-05-0070 August 25, 2008
Pg2of3
I. Loan The overall loan amount is $ 1.750.000. Terms are 20 years @ 2.265%. First reimbursement
payment will be due November 1, 2008.
It. CONTRACT
Contract W WTP construction - increasing design capacity from 1.5 MGD to 1.9 MGD
Contractor: Tara Group of Lumberton, Inc., 2700 NC 72 W. Lumberton, NC 28360
Original Construction Contract amount $2,143,100.00
Eligible Work includes:
o replacing two existing screw pumps, each having a capacity of 1,750 gpm
o replacing 7 of 8 - 15 HP motors, gear drive assemblies, and associated appurtenances to upgrade the
existing brush rotor aerators in the oxidation ditches, (one of the assemblies of the 8 in the bid was
recently replaced by the Town)
o add two 15 HP brush rotors in the oxidation ditches
o new 50-foot diameter secondary clarifier
o replace A 2 filter influent lift pumps 1,710 gpm capacity
o rehabilitate the tertiary filters
o install irrigation system on plant site
o improvements to chlorination/de-chlorination unit
o and all associated site work, electrical work, yard piping, and appurtenances
III. CHANGE ORDERS -
There were 2 change orders approved during construction involving underground piping, valve addition,
and filter revisions. A Final CO#3 is under review. Additionally, Owner intends to seek approval for paving
repairs. It should be noted that the project loan amount remains limited to $1,750,000 even if approved
change orders and other expenditures exceed that amount.
IV. REQUIRED AND RECOMMENDED ACTIONS
Final inspection and discussions indicated system was operational but the following items must be
addressed or resolved:
1) From inspection report of May 19, 2008 CG&L asked what surface preparation was required for the
screw pump? Engineer consulted the job specifications and determined SPCC 10 was required.
Engineer should verify this work was done according to specifications and confirm this in writing or
explain why or if requirement was rescinded.
2) From inspection report of May 19, 2008 the Filter lift pumps and refurbished screw pump are the only
pieces of equipment yet to have startup reports submitted to TWC (and to Owner). Confirm these
reports have been received and provided to Owner.
3) From inspection report of May 19, 2008 "CG&L asks that Engineer and TARA be working on
preparing list of warranties and specific dates." Please provide CG&L the warranty list with all
pertinent information.
4) For the record it should be noted that Owner will be installing pumps in the bearing vaults for the
rotors, the necessary electrical connections were added by change order.
5) Owner received beneficial use of the improvements as of June 2, 2008 and this date will be considered
as the Initiation of Operations Date.
6) There is still concrete debris in spoil area near entrance which must be removed and affected areas
must be re -graded, filled, and seeded.
7) There exist low spots in areas north of the new clarifier which must be re -graded, filled, and seeded.
8) Items on punch fist dated June 12, 2008 have been completed except as noted herein.
9) Submit final change order if not already done.

State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
Flow Tracking/Acceptance for Sewer Extension Permit Applications
(FI'SE—10/07)
Project Applicant Name: IIVI17 C ft }i
Project Name for which flow is being requested:
eq /j ;V
More than one FTSE-10107 maybe required for a single project if the owner of the WIVTP is not responsible for all
pump stations along the route of the proposed wastewater flow.
I. Complete this section only if you are the owner/1�pf the wastewater treatment p, lan/t.
a. WWTP Facility Name: /Dw A D - 2t1 SG n W 01TIP0
b. WWTP Facility Permit #: /VC -3 S11' 9
All flows are in MGD
c. WWTP facility's permitted flow �, C
d. Estimated obligated flow not yet tributary to the WWTP
e. WWTP facility's actual avg. flow ;
f Total flow for this specific request
g. Total actual and obligated flows to the facility eC
h. Percent of permitted flow used
II. Complete this section for each pump station you are responsible for along the route of this
proposed wastewater flow.
List pump stations located between the project connection point and the WWTP
Pump Station Name Approx. Capacity, MGD Approx. Current Avg.
(Firm/Design) Daily Flow, MGD
III. Certification Statement:
1, , certify that, to the best of my knowledge, the addition of the
volume of wastewater to be permitted in this project has been evaluated along the route to the receiving
wastewater treatment facility and that the flow from this project is not anticipated to cause any capacity
related sanitary sewer overflows or overburden any downstream pump station en route to the receiving
treatment plant under normal circumstances. This analysis has been performed in accordance with local
established policies and procedures using the best available data. This certification applies to those items
listed above in Sections I and II for which I am the responsible party. Signature of this form indicates
acceptance of this wastewater flow.
Signing Official Signature Date

O�0� W ArF,q
y
f
O li� 'C
Mr. Keith Langdon, Town Manager
Town of Benson
303 E. Church Street, PO Box 69
Benson, North Carolina 27504
Dear Mr. Langdon:
• Michael F. Easley. Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
February 22, 2008
Colin H. Sullins. D'vector
Division of Wator Quality
p[FFB
����n,
i
i 2 5
EDEIiR R,;, _L. A
-- — CFEICE
Subject: Interim Inspection
Benson WWTP Upgrade
Project No. E-SRL-T-05-0070
An interim inspection and progress meeting was held at 10:00 a.m. February 20, 2008
at the project site. The next regularly scheduled meeting will be Wednesday March 19.
You should review this report, take any actions indicated and then file for your
records. If you have any questions, please call me at [phone] or via e-mail at
[e-mail].
Sincerely,
(�
4XV4--
Gerald W. Horton, PE
Environmental Engineer
Construction Inspection Unit
O FUg"'11
cc: Charles Davis, PE, Ralph Mobley, PE, The Wooten Co.
DWQ Raleigh Regional Office
CG&L - Mark Hubbard, PE
SRL
Construction Loans and Loans Section One
1633 Mail Service Center Raleigh NC 27699.1633 NorthCarofina
Phone: [phone] FAX: [phone] / Internet: www,nccgl.net �atut+Q! i J/
An Equal Opportunity/Affirmative Action Employer - 50% Recycledrl0% Post Consumer Paper �/

Town of Bensor
Benson WWTP Upgrade
Project Number E-SRL-T-05-0070
LOAN REIMBURSEMENTS
o Amount and date of last disbursement -
o Total disbursement to date
. Page 2 of 5
February 20, 2008
Interim Inspection
$ 270,457 on January 15, 2008
$ 1,351,029
TARA pay request no. 4 is in process. A new recovery construction schedule should be
submitted. Reimbursement % vs. % of construction time appear to be out of balance, ie
payout is getting slightly ahead of performance even before CG&L's receipt of
reimbursement request.
LOAN PAYMENTS
First loan repayment will be due May 2008
DESCRIPTION OF ELIGIBLE WORK — includes increase in design and permitted
capacity from 1.5 MGD to 1.9 MGD, consisting of:
o replacing two existing screw pumps, each having a capacity of 1,750 gpm
o replacing 7 of 8 - 15 HP motors, gear drive assemblies, and associated appurtenances
to upgrade the existing brush rotor aerators in the oxidation ditches, (one of the
assemblies of the 8 in the bid was recently replaced by the Town)
o add two 15 HP brush rotors in the oxidation ditches
o new 50-foot diameter secondary clarifier
o replace 3 filter influent lift pumps 1,710 glint capacity
o rehabilitate the tertiary filters
o improvements to chlorination/de-chlorination unit
o and all associated site work, electrical work, yard piping, and appurtenances
CONSTRUCTION ADMINISTRATION
Contractor:
Tara Group of Lumberton, Inc. / 2700 NC Hwy 72 West / Lumberton, NC 28360
Contract Amount $2,143,100.00
Superintendent at Site — Ernie Angle
Notice To Proceed — issued May 14 for effective start date of June 4, 2007
Contract Time — 300 calendar days
Completion Date — March 30, 2008 modified by CO to April 17, 2008
Liquidated Damages $ 1000 / day
Scheduled - 83 % Complete based upon elapsed time 261 of 318 days
Actual — 77 % Complete, based upon pay out.
CHANGE ORDER UPDATE -
No change orders since approval of Change order #2 approved January 16, 2008.
pending CO items will include work involving clarifier effluent pipe conflict resolution,
drilling out and providing SS bolts for filter bed inserts and gate at screw pump effluent.
SUBMITTAL UPDATE -
All major submittals and time critical submittals have been submitted and approved.
TARA was seeking approval for use of box beams instead of double tees at ditches, refer
to detail B/M5. Subsequently TARA withdrew the request, will proceed with double tees.
REQUEST for INFORMATION (RFIs) -
At last meeting TARA requested clarification on where to put filter lift control panel,
Issue is now resolved. Refer to Drwgs. M10 & E6.

Town of Benson • Page 3 of 5
Benson WWTP Upgrade February 20, 2008
Project Number E-SRL-T-05-0070 Interim Inspection
WORK PROGRESS - The following work by TARA was observed or was performed since
CG&Ls' last interim inspection of January :
1. Clarifier concrete troughs and walls placed.
2. Began setting clarifier equipment.
3. First screw pump installed but not yet ready as still working on lower bearing
lubrication lines and system. Will have Lakeside (manufacturer) in second week
of March to perform installation checkout of first screw pump and of first rotor
installation, thereby checking off before proceeding with others.
4. Placed filter lift control panel and drilled anchors in concrete pad for one of the
pumps, pumps and motors are now on job site
5. Installed Irrigation system has been installed for some time. Is it ready for startup
or has this been performed?
6. Outfall pipe is done but still need restoration of site and fence repairs.
Work scheduled for next 30 days by TARA :
1. Set clarifier weirs, Engineer advised that the weirs must be set via "water leveling"
of the weirs
2. Set clarifier equipment and render operational if install clarifier effluent line
(which has potential conflicts)
3. Set effluent filter pumps, grout -in, set SS anchors, install panels in filter building
4. Relocate fence and dress up along effluent line
5. Continue working on electrical and mechanical for filter pump
6. Install buckets at rotors & clarifier
7. Install duct bank to clarifier
8. Place clarifier in service, though presently awaiting delivery of weirs
9. Continue on rotor installation and electrical work
10. Sidewalks
CONSTRUCTION INSPECTION CHECKLIST
SITE:
I. Precedent weather conditions have generally been favorable since start of
construction. NC experiencing a severe drought statewide now since July 2007.
Site conditions — good
2. Storage/protection of stored materials and equipment adequate? yes
3. Safe conditions/methods observed? yes
4. Were unsafe practices brought to the inspectors, contractors or recipient's attention?
- None observed.
5. Site Comments: -none
ENGINEERINGANSPECTION:
1. Resident Inspector on site: - YES, Olan Pike
2. Inspector's records, reports, shop drawings, files, etc. reviewed: no
3. Testing reports (concrete, soil, reports) reviewed: - concrete reports received
Dec. 31 via mail. Results indicated concrete will met specified strength
requirements.
4. As-Builts being kept up to date: - Yes, apparently and these were reviewed at
meeting
5. Comments or recommendations: - No comments or recommendations.

Town of Benson + Page 4 of 5
Benson WWTP Upgrade February 20, 2008
Project Number E-SRL-T-05-0070 Interim Inspection
CONTRACTORS:
1. NC OSHA/Labor Laws Posted: - TARA stated posted at trailer.
2. Up to date Construction Schedule (Bar Graph, CPM) posted: - No, C Andrews
promised to email updated schedule Feb 21.
3. Construction coordination of Work observed: - Yes
4. Comment on any known delays/impacts in completing contracts according to
contractor(s): TARA completing project on time will be challenging and require
good coordination and timely delivery of all materials and equipment. In the past
30 days the effort has been better and more continuous. Contractor had not been on
the project continuously.
5. If construction appears that it will not be completed on time, is additional time
needed for completion? Additional time for Owner delay related to dewatering may
be warranted.
PROJECT PROGRESS/PAYMENTS
1. Payment Milestones Discussed: No
2. Work Completed Acceptable for Reimbursement: Yes
GENERAL COMMENTS / RECOMMENDED ACTIONS
UPDATEs on Comments and Concerns noted in Pre -Construction Meeting for reference have been
italicized. The following comments and concerns (though not intended to be a complete list) were discussed
during the meeting or observed on site after meeting:
1. Engineer's main concerns are installation and start up schedules.
2. Engineer requested a revised schedule showing how TARA would complete project on
schedule. Charlie Andrews maintains TARA will complete work on time. Mr.
Andrews stated he will email revised schedule tomorrow (Thursday May 21) to
Engineer. CG&L requested they also be emailed the schedule. Andrews took down
information on Gerald Horton's email address.
3. Lakeside equipment rep is coming in March 4 to inspect one screw pump and one
rotor installation.
4. The bearing vaults at the rotors poses a dilemma as these are lower than the adjacent
water level and how to dewater is a problem. Engineer and Contractor are to work out
solution.
5. Engineer is looking for credit for duct banks to control building. .
6. Clarifier was delivered as a clockwise unit not the counter clockwise unit that was
specified. Engineer wants what was specified and also was noted in approved shop
drawings. Engineer urged TARA to contact manufacturer and expedite resolution of
the issue.
7. Feb UPDATE: Contractor has picked up pace. Engineer had lengthy discussion with
TARA about his concern for the lack of progress on the project.
8. Feb UPDATE: rotors have not arrived as of Feb. 2a TARA should contact Lakeside.
Lakeside aerators (rotors) have not been delivered yet. There will be 7 and they are
supposed to arrive the end of January.
9. Feb UPDATE: Ditch #2 was subsequently made available. Ditch #2 was not made
available (by Owner) to TARA due to problems in collection system. Owner must
resolve matter ASAP to avoid further delays in TARA's work.
10. Feb UPDATE: Engineer again mentioned erosion control. Engineer re-emphasized
proper Erosion & Sediment Control practices as well as SAFETY though he had no
specific concerns.

Town of Bensoi • Page 5 of 5
Benson WWTP Upgrade February 20, 2008
Project Number E-SRL-T-05-0070 Interim Inspection
11. Feb UPDATE. No change. CG&L asks that Engineer and TARA be working on
preparing list of warranties and specific dates.
12. ]an UPDATE: Yes, Engineer confirmed that preparation of Operation & Maintenance
manuals are included in his scope of services. Engineer stated that preparation of
Operation & Maintenance manuals are included in Engineer's Scope of Services.
PROGRESS MEETING PARTICIPANTS
Martin Moms
Benson, ORC
919 894-2373
Paul Allen
Benson
Ralph Mobley
The Wooten Co., Constr. Admin.
919 828-0531
[e-mail]
Olan Pike
The Wooten Co., Constr. Observer
Charlie Andrews
The TARA Group of Lumberton
910 739-8199
[e-mail]
Gerald W. Horton, P.E.
NC Constr. Grants & Loans Section
919 715-6219
[e-mail]
-- The next progress meeting is scheduled for March 19, 2008 —

V
• Michael F. Easley. (iovenwr
William G. Ross Jr.. Secretary
North Carolina Depanmem of Envimnmem and Natural Resources
i
Coleen H. Sullins. Directur
Division of Water Quality
May 27, 2008
Mr. Keith Langdon, Town Manager
Town of Benson
303 E. Church Street, PO Box 69
Benson, North Carolina 27504
MAY 2 8 2OC8
Subject: Interim Inspection
Benson WWTP Upgrade
(JOHNSTON County)
Project No. E-SRL-T-05-0070
Dear Mr. Langdon:
An interim inspection and progress meeting was held at 10:00 a.m. Monday
May 19, 2008 at the project site. The next scheduled progress meeting will be June 18, 2008.
As instructed in the Authorization to Construct, the Owner is advised to notify the
Raleigh Regional Office, telephone number [phone], at least forty-eight (48) hours in
advance of operation of the installed facilities so that an on site inspection can be made.
You should review this report, take any actions indicated and then file for your
records. If you have any questions, please call me at [phone] or via e-mail at
[e-mail].
Sincerely,
(,J14,�L,
Gerald W. Horton, PE
Environmental Engineer
Construction Inspection Unit
( ifu_-Mi
cc: Charles Davis, PE, Ralph Mobley, PE, The Wooten Co.
DWQ Raleigh Regional Office
CG&L - Mark Hubbard, PE
SRL
Construction Loans and Loans Section
1633 Mail Service Center Raleigh NC 27699-1633
Phone: [phone] FAX: [phone] / Internet: www.nocgi.net
An Equal Opportunity/Affirmative Action Employer— 50% Recycled/100/6 Post Consumer Paper
NorthCarolina
Natmallty

Town of Bensor
Benson WWTP Upgrade
Project Number E-SRL-T-05-0070
LOAN REIMBURSEMENTS
o Amount and date of last disbursement
o Total disbursement to date
LOAN PAYMENTS
. Page 2 of 4
May 19, 2008
Interim Inspection
$ 43,513 on April 29, 2008
$ 1,553,943
First loan repayment will be due November 2008 consisting of interest only. First P&I
loan payment will be due in May 2009.
DESCRIPTION OF ELIGIBLE WORK — includes increase in design and permitted
capacity from 1.5 MGD to 1.9 MGD, consisting of.
o replacing two existing screw pumps, each having a capacity of 1,750 gpm
o replacing 7 of 8 - 15 HP motors, gear drive assemblies, and associated appurtenances
to upgrade the existing brush rotor aerators in the oxidation ditches, (one of the
assemblies of the 8 in the bid was recently replaced by the Town)
o add two 15 HP brush rotors in the oxidation ditches
o new 50-foot diameter secondary clarifier
o replace 3 filter influent lift pumps 1,710 gpm capacity
o rehabilitate the tertiary filters
o install irrigation system on plant site
o improvements to chlorination/de-chlorination unit
o and all associated site work, electrical work, yard piping, and appurtenances
CONSTRUCTION ADMINISTRATION
Contractor:
Tara Group of Lumberton, Inc. / 2700 NC Hwy 72 West / Lumberton, NC 28360
Contract Amount
$2,143,100.00
Superintendent at Site —
Ernie Angle
Contract Time —
300 calendar days
Completion Date —
March 30, 2008 modified by CO to April 17, 2008
Liquidated Damages
$ 1000 / day
Scheduled -
100 % Complete based upon elapsed time of 350 of 318 days
Actual
— 90 % Complete, based upon pay out. TARA claimed in
March they would finish by Thursday April 24. TARA
contends they will finish week of June 3.
CHANGE ORDER UPDATE -
No change orders since approval of Change order #2 approved January 16, 2008.
CO pending items will include work involving clarifier effluent pipe conflict resolution,
drilling out and providing SS bolts for filter bed inserts, gate at screw pump effluent and
minor other items.
REQUEST for INFORMATION (RFIs) - none
WORK PROGRESS -The following work by TARA was observed or was performed since
CG&Ls' last interim inspection of April 19 :
Installed clarifier equipment
2. All three screw pumps now installed
3. TARA assisted Benson in loading filter media. There also were several damaged
plates

r
Town of Benson • Page 3 of 4
Benson WWTP Upgrade May 19, 2008
Project Number E-SRL-T-05-0070 Interim Inspection
4. Bridges 1 & 3 arrived for installation in oxidation ditch, will be installed week of
May 27
5. All UG pipe & manholes are now installed, but fittings need to be checked and
tightened
6. Resolved Lakeside shaft issues
7. Irrigation system was checked out and witnessed by Benson personnel
8. Outfall pipe is done but still need restoration of site and fence repairs
9. Engineer, TARA, and Owner to resolved drainage problem at rotor bearing vaults
Work scheduled for next 30 days by TARA
1. Finish splitter box
2. Install screw pump gate
3. Paint old screw pump week of May 27 specs require SPCC 10 surface prep (blast
clean -near white)
4. Touch up painting of screw pumps nos. I and 2 this week
5. Install sidewalk
6. Remove spoil and do grading and seeding
7. Repair pavement
& Demobilize
CONSTRUCTION INSPECTION CHECKLIST
SITE:
1. Precedent weather conditions have generally been favorable since start of
construction. Site conditions — good
2. Storage/protection of stored materials and equipment adequate? yes
3. Safe conditions/methods observed? yes
4. Were unsafe practices brought to the inspectors, contractors or recipient's attention?
- None observed.
5. Site Comments: - none
ENGINEERINGANSPECTION:
1. Resident Inspector on site: - YES, Olan Pike
2. Inspector's records, reports, shop drawings, files, etc. reviewed: no
3. Testing reports (concrete, soil, reports) reviewed: - Engineer stated concrete reports
have been satisfactory
4. As-Builts being kept up to date: - It was reported they are being kept up to date
though CG&L could not review and confirm.
5. Comments or recommendations: - No comments or recommendations.
CONTRACTORS:
1. NC OSHA/Labor Laws Posted: - TARA stated posted at trailer.
2. Up to date Construction Schedule (Bar Graph, CPM) posted: - No
3. Construction coordination of Work observed: - Yes
4. Comment on any known delays/impacts in completing contracts according to
contractor(s): Contractor had not been on the project continuously, at times staff
seemed inadequate to complete job on time, repeated requests by Engineer for
updated schedules from Contractor did not help. Project is beyond (revised)
contract completion date.
5. If construction appears that it will not be completed on time, is additional time
needed for completion? Project not completed on time.

PIF
Town of Bensor Page 4 of 4
Benson WWTP Upgrade May 19, 2008
Project Number E-SRL-T-05-0070 Interim Inspection.
PROJECT PROGRESS/PAYMENTS
1. Payment Milestones Discussed: No
2. Work Completed Acceptable for Reimbursement: Yes
GENERAL COMMENTS / RECOMMENDED ACTIONS
UPDATES on Comments and Concerns noted in Pre -Construction Meeting for reference have been
italicized. The following comments and concerns (though not intended to be a complete list) were discussed
during the meeting or observed on site after meeting:
1. CG&L asked what surface preparation was required for the screw pump? Engineer
consulted the job specifications and determined SPCC 10 was required. Engineer and
Construction observer should verify this work was done according to specifications
and confirm this in writing.
2. Ralph Mobley advised Benson to notify him in writing of warranty issues so he can
formally pass it on to TARA who should pass it on to manufacturer. Manufacturer
will then make a determination if item is under warranty.
3. VFDs are presently not operating, TWC needs and requested startup reports HD and
Piedmont Automation will be contacted and are to come to site.
4. Pump Controls — control heaters were installed but are not working or hooked up.
5. The Filter lift pumps and refurbished screw pump are the only pieces of equipment yet
to have startup reports submitted to TWC .
6. The clarifier center skirt needs adjustment. The skirt is submerged thus short
circuiting influent to the clarifier.
7. TWC noted the spoil area and lay down area must be restored by TARA.
8. Fence line restoration at effluent force main and at clarifier remains to be done.
9. Electrical vault near clarifier #2 is full of water and is poorly graded in the area. The
area doesn't drain to the storm basin. TWC and TARA to evaluate.
10. CG&L advised TWC to review closeout checklist found on web site www.nccgl.net.
11. Lakeside has signed off on aerators, screw pumps and re -built screw pump.
12. Clarifier has been checked out and signed off by Walker.
13. Clarifier however needs another coat of paint on both submerged and non submerged
surfaces due to low mil thickness.
14. May Update: issue resolved. The bearing vaults at the rotors poses a dilemma as these
are lower than the adjacent water level and how to dewater is a problem. Engineer and
Contractor are to work out solution.
15. May UPDATE: No change. CG&L asks that Engineer and TARA be working on
preparing list of warranties and specific dates.
PROGRESS MEETING PARTICIPANTS
Keith Langdon
Benson, Town Manager
919
894-3553
[e-mail]
Martin Morris
Benson, ORC
919
894-2373
Paul Allen
Benson
919
894-2373
Ralph Mobley
The Wooten Co., Constr. Admin.
919
828-0531
[e-mail]
Olan Pike
The Wooten Co., Constr. Observer
Charlie Andrews
The TARA Group of Lumberton
910
739-8199
[e-mail]
Gerald W. Horton, P.E.
NC Constr. Grants & Loans Section
919
715-6219
[e-mail]

• Michael 1. Eisle)419
. Govemor
William G. Huss Jr.. Secretary
North Carolina Department or Lmtronmcnt and Natural Resources
March 24, 2008
Mr. Keith Langdon, Town Manager
Town of Benson
303 E. Church Street, PO Box 69
Benson, North Carolina 27504
Coleen H. Sullins. Dirantor
Division of Water Quality
_-- V E
I
0 MAR 2 6 7008
Subject: Interim Inspection
Benson WWTP Upgrade
(JOHNSTON County)
Project No. E-SRL-T-05-0070
Dear Mr. Langdon:
An interim inspection and progress meeting was held at 10:00 a.m. Monday
March 17, 2008 at the project site. The next regularly scheduled meeting will be
Wednesday April 16.
As instructed in the Authorization to Construct, the Owner is advised to notify the
Raleigh Regional Office, telephone number [phone], at least forty-eight (48) hours in
advance of operation of the installed facilities so that an on site inspection can be made.
You should review this report, take any actions indicated and then file for your
records. If you have any questions, please call me at [phone] or via e-mail at
[e-mail].
Sincerely,
Gerald W. Horton, PE
Environmental Engineer
Construction Inspection Unit
cc: Charles Davis, PE, Ralph Mobley, PE, The Wooten Co.
DWQ Raleigh Regional Office
CG&L - Mark Hubbard, PE
SRL
Construction Loans and Loans Section 7�7One
1633 Mail Service Center Raleigh NC 27699-1633 l� Oj� Carolina
Phone: l Clop rtun4 / FAX: 919 A 1 ion Employer
/ Intover - 5 % Rec www.nccgi.net 1 A ` tkrally
An Equal OppodunityfAtfirmative Action Employer - 50°�o Recycled/10°; Post Consumer Paper f//�/al

Town of Bensoi
Benson WWTP Upgrade
Project Number E-SRL-T-05-0070
LOAN REIMBURSEMENTS
o Amount and date of last disbursement -
o Total disbursement to date
4 Page 2 of 4
March 17, 2008
Interim Inspection
159,40t on March 19, 2008
1,510,430
A new recovery construction schedule was submitted.
LOAN PAYMENTS
First loan repayment will be due November 2008 consisting of interest only. First P&I
loan payment will be due in May 2009.
DESCRIPTION OF ELIGIBLE WORK - includes increase in design and permitted
capacity from 1.5 MGD to 1.9 MGD, consisting of:
o replacing two existing screw pumps, each having a capacity of 1,750 gpm
o replacing 7 of 8 - 15 HP motors, gear drive assemblies, and associated appurtenances
to upgrade the existing brush rotor aerators in the oxidation ditches, (one of the
assemblies of the 8 in the bid was recently replaced by the Town)
o add two 15 HP brush rotors in the oxidation ditches
o new 50-foot diameter secondary clarifier
o replace 3 filter influent lift pumps 1,710 gpm capacity
o rehabilitate the tertiary filters
o install irrigation system on plant site
o improvements to chlorination/de-chlorination unit
o and all associated site work, electrical work, yard piping, and appurtenances
CONSTRUCTION ADMINISTRATION
Contractor:
Tara Group of Lumberton, Inc. / 2700 NC Hwy 72 West / Lumberton, NC 28360
Contract Amount
$2,143,100.00
Superintendent at Site -
Ernie Angle
Contract Time -
300 calendar days
Completion Date -
March 30, 2008 modified by CO to April 17, 2008
Liquidated Damages
$ 1000 / day
Scheduled -
90 % Complete based upon elapsed time 288 of 318 days
Actual
- 86 % Complete, based upon pay out. TARA claims they
will be finished by Thursday April 24.
CHANGE ORDER UPDATE -
No change orders since approval of Change order #2 approved January 16, 2008.
CO pending items will include work involving clarifier effluent pipe conflict resolution,
drilling out and providing SS bolts for filter bed inserts, gate at screw pump effluent and
minor other items.
SUBMITTAL UPDATE -
All major submittals and time critical submittals have been submitted and approved.
REQUEST for INFORMATION (RFIs) -
At last meeting TARA requested clarification on where to put filter lift control panel,
Issue is now resolved. Refer to Drwgs. M10 & E6.

Town of Benson
Benson WWTP Upgrade
Project Number E-SRL-T-05-0070
• Page 3 of 4
March 17, 2008
Interim Inspection
WORK PROGRESS - The following work by TARA was observed or was performed since
CG&Ls' last interim inspection of February :
1. Installed, checked out and placed in service 1 screw pump by Lakeside
2. Installed, checked out and placed in service 1 screw pump by Lakeside
3. Installed and checked out I aeration rotor checked out by Lakeside
4. Installed clarifier equipment, it was stated the clarifier weirs were set via "water
leveling"
5. Placed clarifier grout course and received satisfactory report from manufacturer
6. Installed filter influent lift pump controls
7. Irrigation system has been installed for some time. Is it ready for startup or has
this been performed?
8. Outfall pipe is done but still need restoration of site and fence repairs.
Work scheduled for next 30 days by TARA
I. Continue installation of rotors
2. Continue installation of screw pumps
3. Finish clarifier and obtain manufacturer's startup and report, it was stated the
4. Install stainless steel slide gates in splitter box
5. Engineer, TARA, and Owner to resolve drainage problem at rotor bearing vaults
6. Sidewalks
CONSTRUCTION INSPECTION CHECKLIST
SITE:
1. Precedent weather conditions have generally been favorable since start of
construction. NC experiencing a severe drought statewide now since July 2007.
Site conditions — good
2. Storage/protection of stored materials and equipment adequate? yes
3. Safe conditions/methods observed? yes
4. Were unsafe practices brought to the inspectors, contractors or recipient's attention?
- None observed.
5. Site Comments: - none
ENGINEERINGANSPECTION:
1. Resident Inspector on site: - YES, Olan Pike
2. Inspector's records, reports, shop drawings, files, etc. reviewed: no
3. Testing reports (concrete, soil, reports) reviewed: - concrete reports received
Dec. 31 via mail. Results indicated concrete will met specified strength
requirements.
4. As-Builts being kept up to date: - Yes, apparently and these were reviewed at
meeting
5. Comments or recommendations: - No comments or recommendations.
CONTRACTORS:
1. NC OSHA/Labor Laws Posted: - TARA stated posted at trailer.
2. Up to date Construction Schedule (Bar Graph, CPM) posted: - No, C Andrews
promised to email updated schedule Feb 21.
3. Construction coordination of Work observed: - Yes

Town of Bensoi • Page 4 of 4
Benson WWTP Upgrade March 17, 2008
Project Number E-SRL-T-05-0070 Interim Inspection
4. Comment on any known delaysfimpacts in completing contracts according to
contractor(s): TARA completing project on time will be challenging and require
good coordination and timely delivery of all materials and equipment. In the past
30 days the effort has been better and more continuous. Contractor had not been on
the project continuously.
5. If construction appears that it will not be completed on time, is additional time
needed for completion? Additional time for Owner delay related to dewatering may
be warranted.
PROJECT PROGRESS/PAYMENTS
1. Payment Milestones Discussed: No
2. Work Completed Acceptable for Reimbursement: Yes
GENERAL COMMENTS / RECOMMENDED ACTIONS
UPDATES on Comments and Concerns noted in Pre -Construction Meering for reference have been
italicized. The following comments and concerns (though not intended to be a complete list) were discussed
during the meeting or observed on site after meeting:
1. Fairbanks Morse/HD Supply yet to show up as requested and to startup the pumps
controls, Piedmont Automation seems to be uncooperative.
2. Engineer requests TARA demonstrate irrigation system in order to verify flow pattern.
3. Mar. Update: much work has been done. Engineer's main concerns are installation
and start up schedules.
4. Mar. Update: TARA provided revised schedule. Engineer requested a revised schedule
showing how TARA would complete project on schedule. Charlie Andrews maintains
TARA will complete work on time. Mr. Andrews stated he will email revised schedule
tomorrow (Thursday Feb. 21) to Engineer. CG&L requested they also be emailed the
schedule. Andrews took down information on Gerald Horton's email address.
5. Mar. Update: issue still to be resolved. The bearing vaults at the rotors poses a
dilemma as these are lower than the adjacent water level and how to dewater is a
problem. Engineer and Contractor are to work out solution.
6. Mar. Update: credit and other matters will be addressed in CO#3. Engineer is
looking for credit for duct banks to control building.
7. Mar. UPDATE: No change. CG&L asks that Engineer and TARA be working on
preparing list of warranties and specific dates.
8. Jan UPDATE: Yes, Engineer confirmed that preparation of Operation & Maintenance
manuals are included in his scope of services. Engineer stated that preparation of
Operation & Maintenance manuals are included in Engineer's Scope of Services.
PROGRESS MEETING PARTICIPANTS
Paul Allen Benson 919 894-2373
Ralph Mobley The Wooten Co., Constr. Admin. 919 828-0531
[e-mail]
Olan Pike The Wooten Co.. Constr. Observer
Charlie Andrews The TARA Group of Lumberton 910 739-8199
[e-mail]
Barry Nielson Lakeside, Chicago
Gerald W. Horton, P.E. NC Constr. Grants & Loans Section 919 715-6219
[e-mail]
— The next progress meeting is scheduled for April 16, 2008 —

Mayor
William W. Massengill Jr
Town Manager
Keith R. Langdon
Town Clerk
Connie M. Sorrell
Superintendent
Martin Morris
ATTN: D. Merrit
Non -Discharge Compliance Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Re: 2007 Annual Sludge Report
Town of Benson, Johnston County
Permit Number: WQOO12514
Martin A. Morris
Benson Wastewater Treatment Facility
770 Hannah Creek Rd.
Four Oaks, N.C. 27524
NPDES Permit # NCO020389
40CFR Part 503 Annual Sludge Report
Dear Reviewer:
� aEh
*U
oAth a rao
TOWN of BENSON
Water/Wastewater System
Wastewater Treatment Facility
February 14, 2008
Mayor Pro Tern F
Fredrick D. Nelson Jr,
Commissioners
Will T. Chandler
John R. Bonner
Ray G. Smith
Casandra P. Stack
Douglas V. Oglesby
F@ 2 0
During the period from January 1, 2007 to December 31, 2007, no bio-solids were removed from our facility for disposal and/or
land application.
The Town of Benson operates a 1.9 mgd oxidation ditch, modified extended aeration, and activated sludge wastewater treatment
plant. All of the waste sludge that is now being generated by the process will be discharged into a 3.247 mg capacity, concrete
lined, aerated sludge holding basin for stabilization and storage and eventually land application by contractors. We currently have a
land application permit, # W00012514, but after our land application in 2002 and 2003 we did not land apply in 2006 because
our plant has a low influent BOD of I OOmg/l.
This year 2008 the Town of Benson will be dewatering, and composting there residuals and not land applicatiory
If you have any questions regarding this matter, please call me at [phone].
S. rly
arttn A. Morris
Supt. Benson Water/ Wastewater Systems
770 Hannah Creek Road
Four Oaks, North Carolina 27524
[phone] Fax [phone]

0 14-
0
�OFWATF9oG
h r
O r
Mr. Keith Langdon, Town Manager
Town of Benson
303 E. Church Street, PO Box 69
Benson, North Carolina 27504
Dear Mr. Langdon:
Michael P. Easley. Governor
William G. Ross Jr.. Secretary
North Cartdina Deparintent of Envimument and Natural Resources
Coleen H. Sullins. Director
Division of Water Quality
February 4, 2008 ' D
FR_5M
IDENR RALEIGH REGIOf;hL OFfICEj
Subject: Interim Inspection
Benson WWTP Upgrade
Project No. E-SRL-T-05-0070
An interim inspection and progress meeting was held at 10:00 a.m. January 16, 2008 at
the project site. This is the first progress meeting attended by CG&L since the inspection of
September 19, 2007. The next regularly scheduled meeting will be Wednesday
February 20, 2008.
You should review this report, take any actions indicated and then file for your
records. If you have any questions, please call me at [phone] or via e-mail at
Gerald.Horton@ ncmail.net.
S' cerely,
Gerald W. Horton, PE
Environmental Engineer
Construction Inspection Unit
1 iH/cv: h
cc: Charles Davis, PE, Ralph Mobley, PE, The Wooten Co.
DWQ Raleigh Regional Office
CG&L - Mark Hubbard, PE
SRL
Construction Loans and Loans Section One
1633 Mail Service Center Raleigh NC 27699-1633 NorthCarolina
Phone: [phone] / FAX: [phone] / Internet: www.nccgl.net An Equal Opportunity/Affirmative Action Employer — 50% Recycledr100ia Post Consumer Paper ;%atural�l // i'

Pam.
k
c Town of Benson Page 4 of 4
Benson WWTP Upgrade January 16, 2008
Project Number E-SRL-T-05-0070 Interim Inspection
CONTRACTORS:
1. NC OSHA/Labor Laws Posted: - TARA stated are now posted.
2. Up to date Construction Schedule (Bar Graph, CPM) posted: - Yes
In September CIG requested a written Construction Schedule be provided with a
phasing plan as required by the specifications. Should TARA plan on deviating
from the specified plan such a schedule would be even more important. It was
stated at the Sept. meeting treatment must be maintained through out construction.
3. Construction coordination of Work observed: - Yes
4. Comment on any known delays/impacts in completing contracts according to
contractor(s): TARA completing project on time will be challenging and require
good coordination and timely delivery of all materials and equipment. However,
CG&L feels that timely project completion may be in jeopardy. Contractor has not
been on the project continuously.
5. If construction appears that it will not be completed on time, is additional time
needed for completion? Additional time does not appear warranted at this time.
PROJECT PROGRESS/PAYMENTS
1. Payment Milestones Discussed: No
2. Work Completed Acceptable for Reimbursement: Yes
GENERAL COMMENTS / RECOMMENDED ACTIONS
UPDATES on Comments and Concerns noted in Pre -Construction Meeting for reference have been
italicized. The following comments and concems (though not intended to be a complete list) were discussed
during the meeting or observed on site after meeting:
1. Engineer discussed extent of remaining work and will include this in Engineer's
minutes of this meeting.
2. On this date it was observed that the Town is diverting wastewater to the equalization
basin. This is being done in order to allow TARA and electrical subcontractor time to
wire and instaIIscrew numns.
;{/Engineer h >Tgt discussion with TARA about his concern for the lack of progre�t
on roject
4, 1 A i tP 9e n4 n ! w L.v uvt been delivered vet There :all be 7 and they
are
supposed to arrive the end of January.
5. Ditch #2 was not made available (by Owner) to TARA due to problems in collection
system. Owner must resolve matter ASAP to avoid further delays in TARA's work.
6. Engineer re-emphasized proper Erosion & Sediment Control practices as well as
SAFETY though he had no specific concerns.
7. CG&L asks that Engineer and TARA be working on preparing list of warranties and
specific dates.
8. Jan UPDATE: Yes, Engineer confirmed that preparation of Operation & Maintenance
manuals are included in his scope of services. Engineer stated that preparation of
Operation & Maintenance manuals are included in Engineer's Scope of Services.
ROGRESS MEETING PARTICIPANTS
Keith Langdon
Benson, Town Manager
919
894-3553
Martin Morris
Benson, ORC
919
894-2373
Ralph Mobley
The Wooten Co., Constr. Admin.
919
828-0531
Olan Pike
The Wooten Co., Constr. Observer
Ernie Angle
The TARA Group of Lumberton
910
739-8199
Roten Locklear
M&R Electric
Gerald W. Horton, P.E.
NC Constr. Grants & Loans Section
919
715-6219

•
5.0 INTERIM WASTEWATER TREATMENT FACILITIES
5.1 Description
As noted previously, the Town of Benson is currently performing interim improvements
to its wastewater treatment plant to increase its capacity to 1.97 mgd (permitted capacity to 1.9
mgd). A separate PER, published on March 29, 2005 and subsequently amended on April 29,
2005, October 14, 2005, February 3, 2006, and March 1, 2006 has been prepared and submitted
to DWQ. Figure 5.1 shows the schematic site plan for these interim improvements. A detailed
description of these interim improvements is listed below.
5.1.1 Sewer Outfall Manholes and Diversion Boa
The plant is currently served by a sewer outfall eighteen (18) inches in diameter. In order
to raise the hydraulic grade line to 4.925 mgd, some of the manholes just upstream of the WWTP
are to be raised during the interim improvements. In addition, the existing diversion box
overflow weir is to be modified to divert flows above 4.925 mgd to the WWTP's equalization
basins.
5.1.2 Mechanical Screen/Manually Cleaned By -Pass Screen
This unit was deemed suitable for use during the interim improvements period. Its
process description remains the same as that listed above in Section 4.3.1
comminutor, alluded to above, is to be removed during the interim improvements.
The WWTP's
40

5.1.3 Grit Removal System
To allow for higher hydraulic grade line at 4.925 mgd, the walls of the grit chamber are
to be raised nine (9) inches during the interim improvements. The grit removal unit itself
remains was determined adequate for use during the interim period and is the same as that
described in Section 4.3.2.
5.1.4 Influent Wastewater Pump Station
The two (2) existing 3 hp, 1,370 gpm screw pumps installed in 1977 and described in
Section 4.3.3 are to be replaced during the interim improvements with two (2) new 5 hp, 1,750
screw pumps.
5.1.5 Modified BNR Activated Sludge System
Under the interim improvements, the oxidation ditches are to be operated as before in
BNR mode. All raw sewage and return sludge will go to the middle, anoxic ditch for
denitrification. The flow then moves from this middle ditch to the two (2) outer, aerobic ditches
for BOD5 removal and nitrification. The internal recycle (8 mgd) will continue between the
anoxic and aerobic zones.
5.1.5.1 Oxidation Ditch Brushes
Upgrades during the interim period include the replacement of four (4) 7.5 hp brush rotor
drives with 15 hp drives in each of the two (2) outer, aerobic ditches. The existing brushes on
these rotors will be kept in use. In addition, one (1) new 15 hp brush rotor is to be added to each
of the two (2) outer, aerobic ditches. No brush rotor changes are needed in the middle ditch.
The net result of the interim improvements will be that each of the two (2) outer, aerobic
ditches will contain four (4) 15 hp rotors with existing brushes and one (1) new 15 hp rotor with
new brushes. In the middle, anoxic ditch there will continue to be four (4) 7.5 hp brush rotors.
42

0
5.1.5.2 Lime Feed System
The lime feed system as described in section 4.3.5 will remain unchanged during the
interim improvements period. As noted in that section, the town is keeping the system for
operational readiness should lime feed be needed to optimize nitrification in the oxidation ditch
system.
5.1.5.3 Alum Feed System For Chemical Phosphorus Removal
The system as described in Section 4.3.6 will remain unchanged by the interim
improvements.
5.1.5.4 Splitter Box No. 1
The interim improvements provide for the construction of a new Splitter Box No. 1 to
collect the mixed liquor effluent from the three (3) oxidation ditches. This new box will
discharge to a thirty-six (36) inch pipe that takes flow to the second new splitter box.
5.1.5.5 Splitter Box No. 2
The interim changes also include a new Splitter Box No. 2 to receive flows from Splitter
Box No. 1. This second box is to distribute flows to the five (5) secondary clarifiers.
5.1.6 Secondary Clarifiers
The interim improvements are to add a fifth secondary clarifier. Clarifier No. 5 is to
measure fifty (50) feet in diameter and have a side water depth of fourteen (14) feet. The design
combined surface overflow rate after the interim upgrades is 340 gpd/sf at average flow.
43

0
5.1.7 Return Activated Sludge (RAS)
The interim upgrades also include enhancements to the RAS flow control box. The
existing plug valve is to be relocated, and a new weir box and staff gate are to be added for flow
control.
5.1.8 Filter Lift Station
All three (3) of the existing filter lift pumps, noted above in Section 4.3.7, will be
upgraded in the interim period. The three (3) pumps, capacities will be expanded to 2,300 gpm
and 30 hp each by replacing their impellers, motors, and variable speed controls.
5.1.9 Tertiary Filtration System
The interim improvements call for the evaluation of each tertiary filter. Also included is
the replacement of the dual media and the replacement of the filter face piping and valves with
larger diameter pipe and valves. After the interim improvements, the average filter rate will be
2.3 gpm/sf.
5.1.10 Chlorination System
As part of the interim improvements, the chlorination system may be modified in several
ways. First, the inlet weir, outlet weir, and contact chamber walls may be modified to account
for the added flows and to ensure the weirs are no longer submerged during operations. In
addition, chlorinators and metering pumps may be upsized to account for additional flows during
the interim period.
5.1.11 Dechlorination System
The dechlorination system has been repaired and is operating as outlined in Section
4.3.10 above.
44

:`4
0
5.1.12 Aerated Sludge Stabilization / Storage Basin
During the interim timeframe, the aerated sludge stabilization / storage basin is to remain
as it is described in Section 4.3.11.
5.1.13 Biosolids Disposal
It is recommended that the town increase its disposal of biosolids to its permitted limit
and seek additional area for disposal of the additional biosolids to be produced from the plant
expansion. See comments above in Section 4.3.12 and Preliminary WWTP Expansion Process
Calculations in Appendix 7.1.
5.1.14 Yard Piping
The yard piping from the influent lift station to the chlorine contact chamber is to be
paralleled and in some areas replaced to handle the interim improvements' increased capacity of
1.97 mgd.
5.1.15 Electrical
Existing normal and standby power sources have sufficient spare capacity to
accommodate the increased pumping and aeration needs of the interim upgrades.
45

0�0� WA7e9�G
O11;�'Mnwmw -C
Mr. Keith Langdon, Town Manager
Town of Benson
303 E. Church Street, PO Box 69
Benson, North Carolina 27504
Dear Mr. Langdon:
n
U
Michael F. I Ailey. Govenntt
William G. R,a. Jr.. Smretary
North Carolina Depanment of Environment and Natural Reso=es
Alan W. Klink. P.E. Director
Division of Water (ihtality
ill
May 23, 2007
MAY 2520
pFFICE
SUBJECT: Town of Benson
Benson WWTP Upgrade
Project No. E-SRL-T-05-0070
Pre Construction Meeting
..
A preconstruction conference was held on Thursday May 11, 2007, 10:00 a.m. at the Benson
Town Hall. Attached is the agenda presented by the Construction Loans & Grants Section
representative. You should review and retain this report in your files for reference.
If you have any questions about this matter, please call me at [phone].
Si rely,
Gerald W. Horton, PE.
Project Engineer
Construction Inspection Group
tiH;!tth
Attachment
cc: Charles Davis, PE, Ralph Mobley, PE, The Wooten Co.
DWQ Raleigh Regional Office
CG&L - Mark Hubbard, PE, Gerald Horton, PE
SRL
F.,SHAREProlecr Management P.ranch Group - Co"'rurhon Inspection Pr?ate ;4, live! Benson SRL VYh PRE PreCrat 07-05-11Aoc
Construction Grants and Loans Section
1633 Mail Service Center Raleigh NC 27699-1633 One
Phone: [phone] / FAX: [phone] / Internet: www.nccgi.net North/sCarollina
An Equal Opportunity/Affirmative Action Employer- 509i6 Recycled/l00% Post Consumer Paper Naturally c�

Town of Benson • Page 2 of 8
WWTP Upgrade
Project Number E-SRL-T-05-0070
LIST OF ATTENDEES
Jerry McLamb Benson, Mayor
Keith Langdon Benson, Town Manager
[e-mail]
Martin Morris Benson ORC
Precon May 11, 2007 at Benson Town Hall
Charles Davis, PE
The Wooten Co., Project. Mgr. .
[e-mail]
Ralph Mobley
The Wooten Co., Constr. Admin.
[e-mail]
Michael Adams
The Wooten Co., Constr. Observer
Charlie Andrews
The TARA Group of Lumberton
Gerald W. Horton, P.E.
NC Constr. Grants & Loans Section
[e-mail]
:i NC LOAN AND GRANT FUND
919 894-3553
919 894-2373
919 828-0531
919 828-0531
910 739-8199
919 715-6219
Name of Project: WWTP Improvements Project Number: E-SRL-T-05-0070
Description of eligible work —
increase in design and permitted capacity from 1.5 MGD to 1.9 MGD consisting of:
o replacing two existing screw pumps, each having a capacity of 1,750 gpm
o replacing of 7 of 8 - 15 HP motors, gear drive assemblies, and associated appurtenances to
upgrade the existing brush rotor aerators in the oxidation ditches, (one of the assemblies of the 8
in the bid was recently replaced by the Town)
o add two 15 HP brush rotors in the oxidation ditches
o add 50-foot diameter secondary clarifier
o replace 3 filter influent (Archimedes screw) lift pumps of 1,710 gpm capacity
o rehabilitate the tertiary filters
o improvements to chlorination/dechlorination unit
o and all associated site work, electrical work, yard piping, and appurtenances
pursuant to the application received on October 17, 2005 and supporting information
Authorized Representatives:
1. Loan Recipient: Mr. Keith Langdon, Town Manager
Town of Benson
129 North Main Street
Benson, North Carolina 28139
2. State: John R. Blowe, PE, Mark Hubbard, PE
3. Consulting Engineer: Charles Davis, PE, The Wooten Co., Project Manager
Ralph Mobley, PE, TWC, Constr. Administrator
4. Inspector/Construction Observer: Michael Adams, The Wooten Co.
Progress meetings will be held every 3rd Wednesday, at 10:00 a.m. the project site through the
completion date presently scheduled for March 30, 2008.

Town of Benson • Page 3 of 8
WWTP Upgrade
Project Number E-SRL-T-05-0070
Precon May 11, 2007 at Benson Town Hall
Contractor: The TARA Group of Lumberton, Inc.
Tara Group of Lumberton, Inc. / 2700 NC Hwy 72 West / Lumberton, NC 28360
Contract Amount $2,143,100.00
Contract Description - See above description
Superintendent at Site — TBD - Ernie Angle 910 733-5584 Cell or Fred Locklear
Notice To Proceed — issued May 14 for effective start date of June 4, 2007
Contract Time — 300 calendar days
Completion Date — March 30, 2008
Liquidated Damages $ 1000 / day.
Comments and Concerns noted in Pre -Construction Meeting
The following comments and concerns (though not intended to be a complete list) were discussed
during the meeting, it should be noted that CG&L.iidn't arrive until 10:00 am and wasn't a*are the
meeting had been moved up to a 9:30 start:
1. Owner (Recipient) must submit Offer and Acceptance to CG&L, if not already done.
2. Owner must submit Capital project Ordinance to CG&L, if not already done.
3. Owner must submit Sewer Use Ordinance to CG&L, if not already done.
4. CG&L asked if Contractor, Owner or Engineer had identified any submittal items which would
require special attention due to long lead time or schedule concerns.
5. Construction schedule must be provided to NC CG&L and posted at the job site after approval
by Engineer.
6. A Schedule of Values for each contract must be provided to NC CG&L, after approval by the
Engineer. The Schedule of Values should coincide with the bid form.
7. CG&L requested a set of half size drawings be furnished to the CG&L inspector.
8. CG&L stated items discussed and required would be provided in a letter to the Owner, copied to
the Engineer and any other parties could request a copy of the report.
Loan Budget
Loan amount is for and limited to $1,750,000 (revised upward from $1,579,240)
TARA Group of Lumberton, Inc. for construction $ 2,143,100
Contingency $ 106,400
Technical Services $ 330,500
Legal and Administrative $ 20,000

Town of Benson • Page 4 of 8
WWTP Upgrade
Project Number E-SRL-T-05-0070
Precon May 11, 2007 at Benson Town Hall
ROLE OF THE CONSTRUCTION INSPECTION GROUP (CIG)
1. Conduct periodic inspections of the project.
2. Review change orders for necessity and reasonableness to determine eligibility for loan funding.
3. Purpose:
a. To assure that the overall objectives of the loan are realized.
b. To assure that the loan and project will be administered in accordance with State regulations.
c. To advise and offer assistance to the Loan Recipient.
d. To ensure contract compliance and construction in accordance with the approved contract
documents.
1. Primnotice will be given; however, unannounced inspections may also be conducted.
2. Inspections will be conducted in two phases:
a. Loan Administration
b. Project Construction
3. During inspections, the CIG will or may:
o review shop drawings, submittals, and submittal logs,
o review inspector's field reports for content, completeness, legibility, clarity, timeliness,
o review status of record/as-built drawings,
o review and discuss revised construction schedule,
o review records and results of testing of materials and equipment, it is requested these be
available for review at the job site at all times,
o discuss pending or executed change orders for completeness and accuracy,
o review RFIs and RFQs and respective logs.
4. The Division of Water Quality (DWQ) requests that all equipment and materials on job site be
properly stored, stockpiled, protected and in the case of rotating equipment that such equipment
be rotated in accordance with manufacturer's instructions. The job site is to be maintained in an
acceptable manner.
5. Safe working conditions should be maintained at all times. The CIG will discuss apparent safety
violations which are potentially life endangering or threatening serious injury. If deemed
appropriate, CG&L will take prompt action to notify State and OSHA regional representatives of
any noted conditions or concerns.
6. Results of the inspection will be discussed at the job site during and/or upon completion of the
inspection. Formal copies of the inspection report will be sent to the Loan Recipient, Engineer
and other parties, if so requested.
7. The CIG prefers to accompany the Engineer on either the pre -final or final punch list inspection
to avoid the situation where both the Engineer and CIG provide a final punch list of deficiencies.
Accordingly, Engineer should notify CG&L of date and time of inspections. CG&L requests a
copy of punch lists generated.

Town of Benson
Page 5 of 8
WWTP Upgrade
Project Number E-SRL-T-05-0070
CHANGE ORDERS
Precon May 11, 2007 at Benson Town Hall
The Loan Recipient, hereafter referred to as Recipient or Owner, should notify the CG&L prior to
commencement of any change order work that change the scope of the project, except for
emergency situations.
2. Recipient must obtain prior DWQ approval for any change orders in excess of $100,000 or any
change orders that would necessitate an increase in the loan amount. CG&L's approval means it
is determined grant or loan eligible. Approval of the change order is the responsibility of the
parties to the change order.
3. Recipient shall submit one (1) properly executed change order with original signatures to CG&L.
Submission should indicate State project number, correct change order number, name of
contractor, contract number, and dates the change order was signed by each party.
4. A complete detailed justification and clear description must be sLl�bmitted with each change order
to justify the need for the change(s). Cost items should be individually explained and
summarized. The submittal shall include justification and proper documentation for any
requested time extensions, or should note that no time extension is requested.
5. If applicable, new or revised contract drawings and/or specifications must be submitted with each
change order.
6. Unless previously agreed upon unit prices are used, complete records of price negotiations and/or
justification shall be submitted with each change order. It is advised that items to submit include:
a copy of the engineer's independent cost estimate, the construction contractors cost breakdown,
and the basis for the final negotiated settlement in the form of a Memorandum of Negotiation.
7. The change order checklist should be completed and submitted with each change order. A copy of
the Change Order checklist is attached.
8. Change orders will not be approved until the complete and adequate backup documentation is
received at CG&L. Work in place required by a non -State approved change order shall not be
included in a contractor's partial payment request until the change order is approved. Further,
CG&L will not pay for any change order(s) until the state has reviewed and approved the
change(s). If additional information is requested by the State, a response is required within two
(2) weeks, or the change order may be returned without further or final action by CG&L.
9. Once the Recipient signs a change order, the Recipient is obligated to the Contractor. The State is
not obligated to approve the change order or reimburse the Recipient. CG&L recommends
submittal of unexecuted change orders to provide the Recipient with a preliminary eligibility
determination.
10. Quantity overruns on unit price contracts will not be reimbursed for the project until a change
order is submitted and approved to address the overruns.
11. Change orders requiring time extension due to weather must be supported by climatological data
for the nearest weather station location to the construction site. Time extensions for weather
should be based on the number of days of 0.1 inches of precipitation above the monthly average
days. This data can be obtained from NOAA Report No. 20, (refer to
ww.dnr.state.sc.us/water/climate/sercc/ )
.,

Town of Benson • Page 6 of 8
WWTP Upgrade
Project Number E-SRL-T-05-0070
Precon May 11, 2007 at Benson Town Hall
RECIPIENT & ENGINEER'S RESPONSIBILITY
1. The Recipient and Engineer should become familiar with their responsibilities as defined by 40
CFR.
2. Loan conditions must be met and loan objectives achieved.
RECIPIENT PAYMENT REQUEST
1. The Recipient shall expend all of the requisitioned funds for the purpose of paying costs of the
project within three (3) banking days following the receipt of the funds from the State.
2. Recipient should submit all payment requests in duplicate to the State with backup documentation
as needed to support the reimbursement pay request
3. The following serves as a checklist of items required before or at the start of the project of which
the Engineer and the Recipient may be required to submit:
❑ Capital Projects Ordinance
❑ Sewer Use Ordinacce (and user charge system, if SRF loan)
❑ Engineering Contracts and Amendments
❑ Executed Construction Contract(s)
❑ Promissory Note has been executed and sent to NC Local Government Commission
❑ Part B approval; including site certificates
4. Recipient should be aware of the following reimbursement milestones:
a. First disbursement — the Part B (E-SRG and E-SRL projects) or ATA (SRF and STAG
projects) and executed Contract Documents must be approved by CG&L
b. 90% Disbursement — All tax must be reported
c. 90% Disbursement — Operation & Maintenance manuals (required on SRF projects only) shall
have been submitted and approved by CG&L, this includes submission of the Owner's
certification of review of the O&M manual
d. Final disbursement —Engineer's Certification of Completion must be submitted
e. Final disbursement — Recipient's (Owner's) Certification of Completion must be submitted
f. Final disbursement — CG&L must establish a date of Initiation of Operations.
6. Loan Agreement/Amendments and all conditions placed on them, if applicable, must be satisfied
prior to loan reimbursements.
7. The Recipient, Engineer and Contractor should establish payment request approval procedures to
expedite payment request submittal to this office for loan reimbursement.
8. The contractor's pay request should coincide with the items on the bid form or approved schedule
of values. CG&L does not need a Schedule of Payment (draws).
9. Report sales tax with reimbursement requests. The sales tax report should indicate the time
period that is covered. The disbursements will be reduced by the sales tax amount at the 90%
milestone. The sales tax is included in the Recipient's principal loan amount. Therefore, the
Recipient should be prepared to cover this amount until they can be reimbursed by the
Department of Revenue. It is the Recipient's responsibility to seek sales tax reimbursement from
the Dept. of Revenue. If contractor makes no purchases and if there is no sales tax to report for
the period, the sales tax report should be submitted and indicate "No sales tax to report".
10. Reimbursement requests that include reimbursement for materials stored on site must be
accompanied by invoice(s) to document material cost and in some cases an affidavit from the
Engineer may be requested by CG&L.

Town of Benson Page 7 of 8
WWTP Upgrade
Project Number E-SRL-T-05-0070
ENVIRONMENTAL PROTECTION
Precon May 11, 2007 at Benson Town Hall
The Recipient is advised that the protection of the environment is a loan requirement. It is necessary
to comply with all environmental pollution control programs established by the town, State, and EPA.
This includes but is not limited to:
1. Protection of existing trees, shrubs, and grass.
2. Dust control of haul roads, excavation, work areas, and borrow areas.
3. Submitting an erosion and sedimentation control plan to the appropriate State or local agency.
4. Required treatment of Recipient's wastewater during construction.
5. Proper disposal of all solid and hazardous waste.
6. Notify the NC Water Quality field office in Raleigh, NC, telephone: [phone] to report
an oil spill or environmental emergency caused by any party. The responsible party should
report take the initiative to report the matter promptly.
7. Because this is an environmental project, it is expected that the Contractor(s) and sub
contractors collect and properly dispose of litter, trash and debris generated by workmen and
the project at the site and along routes of the work.
VARIOUS ITEMS
The approved set of contract drawings should be furnished to the Recipient, A/E inspector,
and to each contractor's supervisor or foreman. These drawings are to be marked up as
authorized changes occur and are to be used in preparing as -built (record) drawings. These
marked -up drawings shall be maintained and made available for review by State inspectors.
2. Prior to commencement of work, each contractor shall submit a "Construction Progress
Schedule" (i.e. Bar graph, CPM, etc.) showing a breakdown of the principal features of
construction with the contract costs. The schedule shall be prepared in such a way that the
percentage of work completed and the work scheduled for completion at any given date may
be determined. Also at the same time, each contractor shall submit an itemized breakdown, a
"Schedule of Values" that shall be the basis on which the contractor's monthly estimates and
progress payments will be made. CG&L is requesting a copy or copies of these submittals
upon authorization of the Recipient's engineer.
The Recipient and A/E should confirm that all required permits and encroachment agreements
have been obtained, including COE 404 Wetlands Permit, COE Section 10 Navigable
Waterways Permit, DENR Erosion and Sediment Control Approval, DWQ 401 Water Quality
Certification and Stormwater Permit, NCDOT and Railroad Encroachment Agreements, etc.
4. The Recipient and Engineer should confirm that all addenda have been submitted to CG&L
for approval. Engineer confirmed that all addenda had been submitted and approved by
CG&L. Two addenda were submitted and approved by DWQ.

Town of Benson Page 8 of 8
WWTP Upgrade
Project Number E-SRL-T-05-0070 Precon May 11, 2007 at Benson Town Hall
CONSTRUCTION GRANTS & LOANS
CHANGE ORDER CHECKLIST
The following checklist must be completed and all information must be submitted prior to approval of
change order. Incomplete submittals will not be reviewed. If CG&L requests information and fails
to receive adequate supporting information within 14 days, the request for Change Order and
supporting information may be returned.
Owner......I.............................
ProjectName ....................................
Project No. ....................................
Change Order No .................................
Contract No . .....................................
Contractor ...................................
Change Order Documents
❑ One (1) executed change order, with original signatures (an unexecuted copy may be
submitted for a preliminary eligibility determination review, however all supporting
documentation must be included);
❑ Federal and/or State Project number(s) shown on the change order;
❑ Clear description of each change;
❑ Detailed justification to identify the need for each change;
❑ Justification and documentation for any contract time extensions (Time extensions for weather
should be for above average precipitation. The average number of days with precipitation
greater than 0.10" for each month can be obtained from NOAA Report No. 20.)
❑ Provide new or revised contract drawings and/or specifications for each change, if applicable.
Cost Documentation:
Cost documentation required is proportional to the complexity of the change. Each of the
following items should be considered when determining what and preparation of documentation
to submit with each change order:
❑ Engineer's independent cost estimate;
❑ Contractor's detailed cost breakdown for labor, material, equipment, tax, overhead, and profit
for each item or change order;
❑ Copies of suppliers' invoices for major items;
❑ Memorandum of negotiation which documents the negotiation process and the basis for the
final negotiated settlement.

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Performance :annual Report
I. General Information
Facility Name: Benson Wastewater Treatment Plant Responsible Entity: Town of Benson
Contact Person: Martin Moms Applicable Permit # NCO020389
Telephone Telephone # [phone]
Description of Treatment Process: The Benson wwTP uses modified extended aeration, mechanical and biological
processes to treat the raw wastewater entering the plant. The raw wastewater enters the plant from town through two 16
inch sewage mains and goes through a mechanical bar screen which removes floating material then to a grit chamber which
slows the flow to less than 1 foot per second which allows any heavy materials (sand & organics etc.) to be removed. The
flow then goes through a parshall flume measuring device, a sct of screw pumps :a:d into the ee lauge oral oxidrticc dirrh c.
with a volume of 618,000 gallons each, where oxygen is added by means of surface rotors. The oxygen promotes the
growth and reproduction of natural bacteria and other organisms, which reduce the pollutants to inert solids. The mixed
water and solids then go to four clarifiers in which the solids settle to the bottom by gravity and then removed. The clarified
water is then pumped to five multi -media gravity filters, which remove any residual solids after which the water is
disinfected with gaseous chlorine then released into Hannah Creek after samples are taken and analyzed as required by our
NPDES Permit.
U. Performance
Summary System Performance for calendar year 2006
The Town's W WTP received no permit violations and had no spills for the calendar year 2006.
III. Notification
This report was inserted with the monthly Electric,/Water/Sewerage bill mailed to all customers of the Benson utilities
system. If you have any questions about this report or concerning your waste treatment plant, please contact Martin Morris
at 394-2373.
IV. Certification
I certify under penalty of law that this report is complete and accurate to the best of my knowledge. I further certify that
this report has been made available to the users or customers of the named system and that those users have been notified of
its availability.
101
Martin MorrtwWWTPSupt. MAY D
Town of Benson 7 2W] I J
OENR -
POINT l
i 11
C:\W W DO WSOesimp%Performan= .Mnuai R,mn.do

J e("1
Mayor
Jerry B. McLamb
anager
Keith R. Langdon
Town Clerk
Connie M. Sorrell
Superintendent
Martin Moms
<C
r ;,,,A&
•
TOWN of BENSON
Water/Wastewater System
Wastewater Treatment Facility
Certified Mail 7006 0100 0007 1439 9355
Returned Receipt Requested
Mr. Mitch Hayes
Environmental Technician
Surface Water Protection
1628 Mail Service Center
Raleigh, NC 17699-1628
Subject: Report on Notice of Violation
Permit No. NC0020389
Benson WWTP
Case No. NOV-2006-LV-0535
Johnston County
Dear Mr. Hayes
Mayor Pro Tern
Jack R. Littleton
Commissioners
Will T. Chandler
Fredrick D. Nelson, Jr.
Ray G. Smith
William W. Massengill, Jr.
Casandra P. Stack
This letter is to report the findings on the Mercury limit violation on the June 2006 DMR. In review of this
matter, we find that our contract lab Environmental One reporting parameter for Mercury (Method 1631) is in
nanograms (ng) Parts per Trillion, as it is reported on the DMR. The Town's NPDES Permit effluent limit
for Mercury is 0.012 ug/1(micrograms) Parts per Billion, so if we a allowed to convert from nanograms to
micrograms the Reported Value for Mercury for June 2006 is 0.00t18,ug1l and not a limit violation.
So in closing we ask for your assistance in the correct value to report the mercury limit in on future DMR's. If
you should have any questions regarding this letter, please contact Martin Morris at 919-894-2373.
S' re
Martin Moms WWTP ORC
770 Hannah Creek Road
Four Oaks, North Carolina 27524
[phone] Fax [phone] DENR RALEIGH
REGIONAL OFFICE

0

`o�oF W ATF9QG �e
C r
O 'C
196
Mr. Martin A. Morris
Town of Benson, WWTP
770 Hannah Creek Road
Four Oaks, NC 27524-
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
December 1, 2006
SUBJECT: Wastewater/Groundwater Laboratory Certification Renewal
Dear Mr. Morris:
Alan W. Klimek, P.E. Director
Division of Water Quality
The Department of Environment and Natural Resources, in accordance with the
provisions of NC GS 143-215-.3 (a) (10), 15 NCAC 2H .0800, is pleased to renew
certification for your laboratory to perform specified environmental analyses required by
EMC monitoring and reporting regulations 15 NCAC 2B .0500, 2H .0900 and 2L .0100,
.0200, .0300, and 2N .0100 through .0800.
Enclosed for your use is a certificate describing the requirements and limits of your
certification. Please review this certificate to insure that your laboratory is certified for all
parameters required to properly meet your certification needs.
Please contact us at 919-733-3908 if you have questions or need additional
information.
Sincerely,
Pat Donnelly
Branch Manager
Enclosure
cc: David G. Livingston
RRO
NorthCarolina
rNalura!!y
North Carolina Division of Water Quality 1623 Mail Service Center Raleigh, NC 27699-1623 Phone [phone] Customer Service
Internet: www.dwgiab.org Location: 4405 Reedy Creek Rd Raleigh, NC 27607 Fait [phone] 1-877-623-6748
An Equal Opportunity/Affirmative Action Employer— 50%Recycled/10% Post Consumer Paper

L J
STATE OF NORTH CAROLINA DEPARTMENT OF THE
ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
LABORATORY CERTIFICATION PROGRAM
In accordance with the provisions of N.C.G.S. 143-215.3 (a) (1), 143-215.3 (a)(10) and NCAC 2H.0800:
TOWN OF BENSON, WWTP
Is hereby certified to perform environmental analysis as listed on Attachment I and report monitoring data to DWQ for
compliance with NPDES effluent, surface water, groundwater, and pretreatment regulations.
By reference 15A NCAC 2H .0800 is made a part of this certificate.
This certificate does not guarantee validity of data generated, but indicates the methodology, equipment, quality control procedures,
records, and proficiency of the laboratory have been examined and found to be acceptable.
This certificate shall be valid until December 31, 2007
Certificate No. 196 `/ 1
" Pat Donnelly

Attachment
North Carolina Wastewater/Groundwater Laboratory Certification
Certified Parameters Listing
ab Name: Town of Benson, WWTP
,ddress: 770 Hannah Creek Road
Four Oaks, NC 27524-
Certificate Number:
Effective Date:
Expiration Date:
Date of Last Amendment:
196
01/0112007
12/3l/2007
he above named laboratory, having duty met the requirements of 15A NCAC 21-1.0800, is hereby certified for the measurement of the parameters listed below.
CERTIFIED PARAMETERS
VORGANICS
IOD
Sid Method 52108
tESIDUAL CHLORINE
Sid Method 4500 CI G
)OLIFORM FECAL
Sid Method 9222D (MF)
:ONDUCTIVITY
Std Method 2510E
)ISSOLVED OXYGEN
Std Method 4500 O G
kMMONIA NITROGEN
Sid Method 4500 NH3 C
'OTAL PHOSPHORUS
Sid Method 4500 P E
,H
Sid Method 4500 H B
2ESIDUE SUSPENDED
Std Method 2540D
'EMPERATURE
Sid Method 2550E
This certification requires maintance of an acceptable quality a ce i, use of approved methodology, and mfisfactor01M i evaluation samples. Laboratories are
subject to civil penalties and/or decertifiwfion for infractions as set forth i ICAC 2H.0807.

10/19/2006 15:04 9 :B3 TOWN OF BENj* PAGE 01
TOWN OF BENSON
* V WASTEWATER TRMT. PLT.
770 HANNAH CREEK RD.
FOUR OAKS, NC. 27524
PAX TRANSMITTAL COVER SHEET
TO: FROM:
Mitch Hayes Martin Morris
MIVIDULE OR COMPANY! DATE:
NCDENR DWQ 10/ 19/06
vev urivaro TOtAL N0. OF PAGES INCLUDINO COVER:
919 571 4718 2
PHONE NUMBER: SENDERS REFERENCE NUMBER:
RE: YOOR REFERENCE NUMBER:
❑ URGENY ❑ FOR REVIEW ❑ PLEASE COMMENT ❑ PLEASE REPLY ❑ PLEASE RECYCLE
NOTES/COMMENTS:
Mr. Hayes This is the missing Zinc & Copper on the November 2005 DMr
Marty
PHONE: [phone]
PAX: [phone]

10/19/2006 15:04 9 183 TOWN OF 13ENS PAGE 02
amomGu sin Flo u�c��I�poQ���d
n Z%Af.
4
P.0 BOX 7085, 114 OAKMONT'DRIVE PHONE [phone]
GREENVILLE. N.C. 27835.7085 FAX [phone]
Deinkine Wer.r ID, 17715
Yertevaeer ID! 10
ID11, 308 K
TOWN OF BENSON WWT➢
MR. MARTY MORRIS
770 HAMAN CREEK ROAD
FouR OARS ,NC 27524
Influent Effluent
PARAMETERS
ROD, mg/I
76
2.0
Total Suspended Residue, mg/1
75
1.1
Ammonia Nitrogen, mgll
9.00
<D.04
Total Kjeldahl Nitrogen, mg/I
14.42
0.87
Nitrate -Nitrite, mg/1
0.09
1.41
Total Phosphorus, mg/I
1.64
0.69
Total Cyanide, mg/1
<0.005
<0.005
Arsenic, ug/I
<5.0
<5.0
Arsenic (dry wt. baste), mglkg
Cadmium, ug/i
<1.0
<1.0
Cadmium (dry wt. basis), mg/kg
- Copper, ug/1
32
Copper (dry wt. basis), mg/kg
Total Chromium, ug/l
<5.0
<5.0
Chromium, T.(dry wt, basis),mg/kg
Lead, ug/1
<5.0
<3.0
Lead (dry weight basis), mg/kg
Mercury, ug/l
<0.2
Marcury (dry wt. basis), mg/kg
Molybdenum, ug/1
49
43
Nickel, ug/1
< 10
< 10
Nickel (dry wt. basis), ung/kg
Selenium, W
< 10
< 10
Selenium (dry wt. basis), mg/kg
Sliver, ug/t
28
<5.0
Sliver, ug/1
.� Zinc, ug/1
73
35
Zinc (dry wt. basis), mg/kg
Total Solids, %
Molybdenum (dry wt. basis), m"
VATS COLLECTED, 11/23/OS
DATE REPORTED , 12/21/05
REVIEWED BY: �
Sludge Uncontrol.
Sample
<2.5
1
500
14
19
US
13
< 5.0
491
0.34
29
180
166
19.50
38.56
0.31
4.32
<O.005
<5.0
<1.0
24
<5.0
< 5.0
< 0.2
< 10
< 10
< 10
162
97
Olddation
Analysts
Method
Ditch
Date
Analyst
Code
11/23/05
TRB
SM5210B
11/23/OS
MRJ
SM2540D
0.30
11/28/05
TWA
EPA350.1
1129/05
TWA
EPA351.3
11/30/05
TWA
EPA353.2
1129/05
TWA
EPA365.4
<0.005
12/06/05
SEJ
SM4300 C,
<5.0
12/12/05
CMF
EPA206.2
12/12/05
CMF
EPA206.1
4
12/06/05
CMF
EPA213.2
12/06/05
CMF
EPA213 2
1224
12/02/05
ADD
EPA220.1
12.t02l05
ADD
EPA220.1
38
11/29/04
LFJ
EPA200.7
11/30/05
LFJ
EPA200.7
45
12/02/05
CMF
EPA239.2
12/02/OS
CMF
EPA239.2
1.5
11/30/05
ADD
EPA245.1
1221/05
ADD
EPA245.1
102
11/29105
LFJ
EPA200.7
37
11/29/05
LFJ
EPA200.7
12/01/05
LFJ
EPA200.7
< 10
12/07/0S
CMF
EPA270.2
12/07/05
CMF
EPA270-2
11/29/05
LFJ
EPA200.7
651
12/05/05
LFJ
EPA200.7
1302
11/29/05
LFJ
EPA200.7
12/05/05
ADD
EPA289.1
11/23/OS
TRB
5M254OG
12/01/05
LDJ
EPA200.7
Laboratory Analyses - Environmental Consultants

A7'§ Michael F. Easley. Governor
��\OG William G. Ross Jr.. secretary
rNorth Carolina Department of Environment and Natural Resources
11C1 Alan W. Klimek. P.E. Director
Division of Water Quality
is
March 14, 2006
The Honorable Donald H. Johnson, Mayor
Town of Benson
Post Office Box 69
Benson, North Carolina 27504-0069
SUBJECT: Town of Benson
Interim Improvements to Wastewater Treatment Facility
Preliminary Engineering Report and
Amendment Nos. 1, 2, 3 & 4
Project No. E-SRL-T-05-0070
Dear Mayor Johnson:
The Construction Grants and Loans Section has completed its technical review of the
subject town of Benson Preliminary Engineering Report and Amendment No. 4 to the
Preliminary Engineering Report. The proposed project consists of expansion of the town's
wastewater treatment capacity from the current 1.50 million gallons per day (MGD) to
1.90 MGD including improvements to the existing headworks; increasing the existing influent
lift station capacity; upgrade of the oxidation ditch brush aerators; providing a new mixed liquor
effluent collection box and a new flow splitter box downstream of the existing oxidation ditches
to distribute flow to existing clarifiers; construction of a new clarifier; upgrade of the existing
filter lift station and replacing filter media as needed; improvement of the existing
chlorination/dechlorination units; and an effluent reuse system to apply up to 1.97 million
gallons per year on the 1.65 acres of available land at the wastewater treatment facility.
The subject town of Benson Preliminary Engineering Report and Amendment Nos. 1, 2,
3 & 4 are hereby approved.
Construction Grants and Loans Section
1633 Mail Service Center Raleigh NC 27699-1633
Phone: [phone] / FAX: [phone] Internet: www.nccgl.net
No e hCarolina
Naturally
An Equal Opportunity/Affirmative Action Employer — 50% Recycled/l0% Post Consumer Paper

The Honorable Donald H. Johnson, Mayor
Page 2
March 14, 2006
If you have any questions concerning this matter, please contact Mr. Larry Horton, P.E.
of our staff at [phone].
Sincerely,
Job . Bl9P.E.,hief
Co structid Loans Section
ZQC/dr
cc: Keith Langdon, Town of Benson
The Wooten Company — C.V. Brooks, IV, P.E.
DWQ Raleigh Regional Office
Daniel Blaisdell, P.E.
Larry Horton, P.E.
Zi-Qiang Chen, Ph.D.
Don Evans
PMB/DMU/FEU/SRL

0
AWA
NCDENR
Mr. Gary Hartong
120 N. Boylan Ave.
Raleigh, North Carolina 27603
Dear Mr. Hartong:
0
Michael F. Easley
Governor
William G. Ross, Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. IClhue�h w'
Divisionn((o�_ ht v
IVA
C I _
January 23, 2006 c�
ti
�J N c
s
V z rl
Q iJ
Subject: Speculative Limits Request C o
Town of Benson -
Johnston County
The Division evaluated your request in behalf of the Town of Benson for speculative limits for an increase
discharge of 3.0 MGD at the Benson WWTP. The Division cannot issue speculative limits for 3 MGD at this
time. Hannah Creek is listed in the North Carolina 303(d) list of impaired waters as impaired for dissolved
oxygen. The Division will not allow any increase in loading to the creek as long as it is listed as impaired. If the
conditions of the creek improve and it is removed from the 303(d) list, an increase in flow could be evaluated. If
you have any questions, please contact Teresa Rodriguez of the NPDES Unit at [phone], extension 553.
Sincerely,
A-, r
Gil Vinzani
EAST NPDES Unit Supervisor
cc: Raleigh Regional Office, Surface Water Protection: !
EAST NPDES Unit Files f f'
Town of Benson — Keith Langdon
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer VisrrusoNntEirrreRNET@http://h2o.enr.state.nc.us/NPDES

OCTOCT 16:38 FROM:THE WOOTEI 1 919 8343589 TO:91 P.2,2
(2LC
Junc 25, 2001
Wooten Mr. Dave Goodrich, NPDES Unit Supervisor
Company Division of Water Quality, NPDES Unit
1617 Mail Service Center
F.npineerMg Raleigh, North Carolina 27699
P/anninp Re: S Hulativc NPDES Limits__
'xowaoEBeusau�olanstonGounty'-- `
architad re NPDES Permit No. NCO020389
Dear Mr. Goodrich:
We are currently preparing a 201 Wastewater Facilities Plan for the Town of Benson
who operates a 1.5 mgd wastewater treatment facility under NPDES permit number
NCO020389. This facility discharges to Hannah Creel:, a tributary to the Neuse River.
We are requesting that the NPDES Unit prepare and transmit speculative permit limits
to our office should this facility be permitted to discharge 3.0 mgd of wastewater to
tm N Boylan Avenue Hannah Creek, the current permitted discharge location.
Rakich. NC
21603 If you should have any questions, please contact our office.
Sincerely,
THE Wj000 ANY
9-87.e-0531
Fix 91919-03d-75tl9
Gary among
ce: TWC riles
since MIC,,

Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
November 23, 2005
Keith R. Langdon, Town Manager
Town of Benson
P.O. Box 69
303 East Church Street
Benson, North Carolina 27504
Subject:
Dear Mr. Langdon:
Alan W. Klimek, P.E. Director
Division of Water Quality
(43
Draft NPDES Permit Modificatiga
Permit NCO020389
Town of BensonWWTP 3,
Johnston County
The Division has received your March 2005 request for a major permit modification at the subject
facility, expanding its flow from the current 1.5 MGD to 1.9 MGD. Division staff members have
reviewed your request and a draft permit reflecting the modification is enclosed.
Hannah Creek is listed as impaired on North Carolina's 303(d) list. This is because the stream does not meet
instream water quality standards for dissolved oxygen. The Division will continue to monitor water quality in the
receiving stream. Ultimately, the removal of this discharge may be necessary.
Submit any comments to me no later than thirty days following your receipt of the draft Comments should be
sent to the address listed at the bottom of this page. If no adverse comments are received from the public or
from you, this permit will likely be issued in January with an effective date of March 1, 2006.
If you have any questions or comments concerning this draft permit modification, contact me at the telephone
number listed below.
Sincerely,
t
Dawn Jef ' s
NPDES Unit
t
cc: NPDES Unit �2 --
Raleigh Regional Office / Water Quality Protection Section
Aquatic Toxicology Unit
EPA, Region 4
The Wooten Company ,a
120 N. Boylan Avenue n
Raleigh, NC 27603
Attn: Vance Brooks, P.E.
/n
Nta` Carona
��ra1iy
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet h2o.enr.statem us 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer— 50% Recyded/10% Post Consumer Paper

• Permit NCO020389
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL
DIVISION OF WATER QUALITY
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful
standards and regulations promulgated and adopted by the North Carolina Water Quality
Commission, and the Federal Water Pollution Control Act, as amended, the
Town of Benson
is hereby authorized to discharge wastewater from a facility located at the
Benson Wastewater Treatment Facility
770 Hannah Creek Road (south of I-95)
Four Oaks
Johnston County
to receiving waters designated as Hannah Creek in the Neuse River Basin in accordance with the
discharge limitations, monitoring requirements, and other conditions set forth in Parts I, II, III
and IV hereof.
This permit shall become effective
This permit and authorization to discharge shall expire at midnight on April 30, 2008.
Signed this day
Alan W. Klimek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

" 0 Permit NCO020389
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked.
As of this permit issuance, any previously issued permit bearing this number is no longer effective.
Therefore, the exclusive authority to operate and discharge from this facility arises under the permit
conditions, requirements, terms, and provisions included herein.
The Town of Benson is hereby authorized to:
Continue to operate an existing 1.5 MGD wastewater treatment facility consisting of
the following components:
• Bar screen
• Grit removal
• Parshall flume with flow measurement
• Influent screw pumps
• Three extended aeration/oxidation basins
• Four secondary clarifiers
• Tertiary filters
• Chlorine contact basin
• Dechlorination
• Post aeration
• Alum and lime storage/handling units,
• Aerated sludge lagoon
• Two stabilization lagoons (also act as influent flow storage)
• Lagoon effluent return pump station; and
This facility is located at the Benson WWTF off Hannah Creek Road in Four Oaks, Johnston
County.
2. Upon receiving an Authorization from the Division of Water Quality, construct and
operate a 1.9 MGD wastewater treatment system.
3. Discharge wastewater from said treatment works at the location specified on the
attached map into Hannah Creek, classified C-NSW waters in Neuse River Basin.

Latitude: 3523'21" N C 0 0 2 0 3 8 9 Facility
Longitude: 78°30'29"
Location AAW )
Quad #: F24NE
Receiving Stream: Hannah Creek Town of Benson
Stream Class: C-NSW WWTP
Subbasin: 30404 y4zr r// SCALE 1:24000

Permit NCO020389
A. (1.) EFFLUENT LIMITS DNS AND MONITORING REQ EMENTS
During the period beginning on the effective date of the permit and lasting until expansion above 1.5 MGD,
the Permittee is authorized to discharge 1.5 MGD of municipal wastewater from outfall 002. Such
discharges shall be limited and monitored by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average I
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location
Flow
1.5 MGD
Continuous
Recording
or
Influent Effluent
Total Monthly Flow (MG)
Monitor and Report
Monthly
Recorded or
Calculated
Effluent
SOD, 5 day (200C)2 [April 1-October 31]
[April
5.0 mg/I
7.5 mg/I
Daily
Composite
Influent
SOD, 5 day (20°C) [November 1-March
311
10.0 mg/I
15.0 mg/I
Daily
Composite
Influent &
Effluent
Total Suspended Solids
30.0 mg/I
45.0 mg/I
Daily
Composite
Influent Effluent
NH3 as N Aril 1- October 31
2.0 m /1
6.0 mg/I
DailyComposite
Effluent
NH3 as N November 1- March 31
4.0 m 1
12.0 mg/I
Daily
Composite
Effluent
Dissolved Oxygen
Daily
Grab
Effluent
Dissolved Oxygen
Variable'
Grab
U& D
Fecal Coliform(geometric mean
200/100 ml
400 100 ml
Daily
Grab
Effluent
Fecal Coliform (geometric mean)
I
Variable
Grab
U& D
Total Residual Chlorine
1 17 /L
Daily
Grab
Effluent
TKN m L a
Monitor and Report
Weekly
Composite
Effluent
NO2 + NO3 m L o
Monitor and Report
Weekly
Composite
Effluent
Total Nitrogen m /L a
Monitor and Report
Weekly
Composite
Effluent
s
Total Nitrogen Load
Monitor and Report (pounds/month)Month
Calculated
Effluent
33,790 ounds ear
Annually
Calculated
Effluent
Total Phosphorus
2.0 mg/L (Quarterly Average)
Weekly
Composite
Effluent
Temperature °
Daily
Grab
Effluent
Temperature (°C)
Variable'
Grab
U& D
Conductivity
Daily
Grab
Effluent
Conductivity
Variable'
Grab
U& D
Chronic ToxicitY7
Quarterly
Composite
Effluent
Total Chromium
50 I
1,022 /I
Weekly
Composite
Effluent
Total Nickel
88 /I
261 uoI
Weekly
Composite
Effluent
Total Mercury
0.012 /1
Weekly
Composite
Effluent
Total Copper
2/Month
Composite
Effluent
Total Zinc
2/Month
Composite
Effluent
H
1 6-9 standard —i
s
Daily
Grab
Effluent
Footnotes:
1. U: Upstream at the culvert on NCSR 1158. D: Downstream at (1) NCSR 1227 and (2) I-95 culvert. Stream samples shall be grab
samples collected 3/Week from June to September and 1/Week during the remaining months of the year. Instream monitoring
is provisionally waived in light of the Permittee's participation in the Lower Neuse Basin Association. Instream
monitoring shall be conducted as stated in this permit should the Permittee end its participation in the Association.
2. The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15% of the respective influent
value (85%removal).
3. The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/L
4. For a given wastewater sample, Total Nitrogen = TKN + NO3-N + NOrN where TKN is Total Kjeldahl Nitrogen, and NO3-N
and NO2-N are Nitrate and Nitrite Nitrogen, respectively.
5. Total Nitrogen Load is the mass quantity of Total Nitrogen discharged in a given period of time. See A. (4). The annual TN Load
limit shall become effective with the calendar year beginning on January 1, 2003. Compliance with this limit shall be determined in
accordance with condition A. (5), Annual Limits for Total Nitrogen.
6. The quarterly average for total phosphorus shall be the average of composite samples collected weekly during the calendar quarter
Qanuary-March, April June, July -September, October -December).
7. Chronic Toxicity (Caiodaphsia dubs) P/F at 90%: January, April, July, and October [see condition A. (3)]. Toxicity monitoring shall
coincide with metals monitoring.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

Permit NCO020399
A. (2.) EFFLUENT LIMITA DNS AND MONITORING REQ&EMENTS
During the period beginning after expansion above 1.5 MGD and lasting until expiration, the Permittee is
authorized to discharge 1.9 MGD of municipal wastewater from outfall 001. Such discharges shall be
limited and monitored by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location
Flow
1.9 MGD
Continuous
Recording
Influent or
Effluent
Total Monthly Flow (MG)
Monitor and Report
Monthly
Recorded or
Calculated
Effluent
BOD, 5 day (200C)2 1-October 1ctober 31]
5.0 mg/I
7.5 mg/I
Daily
Composite
lnfluent Effluent&
BOD, 5 day (20eC) [November 1-March
311
10.0 mg/1
15.0 mg/I
Daily
Composite
Influent &
Effluent
7
Total Suspended Solids
30.0 m I
9/
45.0 mg/I
Daily
Composite
po
Influent &
Effluent
NH3 as N Aril 1- October 311
1.0 m 1
3.0 m I
Daily
Composite
Effluent
NH3 as N November 1- March 311
2.0 mgj1I
6.0 m I
Daily
Composite
Effluent
Dissolved Oxygen
Daily
Grab
Effluent
Dissolved Oxygen
Variablel
Grab
U& D
Fecal Coliform(geometric mean
200 100 ml
400 100 ml
Daily
Grab
Effluent
Fecal Coliforrn (geometric mean)
Variablel
Grab
U& D
Total Residual Chlorine
17 L
Daily
Grab
Effluent
TKN L
Monitor and Report
Weekly
Composite
Effluent
NO2 + N m L 4
Monitor and Report
Weekly
Composite
Effluent
Total Nitrogen m /L a
Monitor and Report
Weekly
Composite
Effluent
s
Total Nitrogen Load
Monitor and Report and month
Monthly
Calculated
Effluent
33,790 pounds/year
Annually
Calculated
Effluent
Total Phosphorus
2.0 mg/L (Quarterly Average)
Weekly
Composite
Effluent
Temperature
Daily
Grab
Effluent
Temperature (oC)
Variable'
Grab
U& D
Conductivity
Daily
Grab
Effluent
Conductivity
Variable'
Grab
U& D
Chronic Toxicity
Quarterly
Composite
Effluent
Total Chromium
50 I
1022 I
Weekly
Composite
Effluent
Total Nickel
88 W1
261 I
Weekly
Composite
Effluent
Total Mercury
0.012 I
Weekly
Composite
Effluent
Total Copper
2/Month
Composite
Effluent
Total Zinc
Month
Co m s be
Effluent
pH
6-9
standard units
Daily
Grab
Effluent
Footnotes:
1. U: Upstream at the culvert on NCSR 1158. D: Downstream at (1) NCSR 1227 and (2) I-95 culvert. Stream samples shall be grab
samples collected 3/Week from June to September and 1/Week during the remaining months of the year. Instream monitoring
is provisionally waived in light of the Permittee's participation in the Lower Neuse Basin Association. Instream
monitoring shall be conducted as stated in this permit should the Permittee end its participation in the Association.
2. The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15% of the respective influent
value (85% removal).
3. The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/l.
4. For a given wastewater sample, Total Nitrogen = TKN + NO3-N + NOrN where TKN is Total Kjeldahl Nitrogen, and NO3-N
and NO2-N are Nitrate and Nitrite Nitrogen, respectively.
5. Total Nitrogen Load is the mass quantity of Total Nitrogen discharged in a given period of time. See A. (4). The annual TN Load
limit shall become effective with the calendar year beginning on January 1, 2003. Compliance with this limit shall be determined in
accordance with condition A. (5), Annual Limits for Total Nitrogen.
6. The quarterly average for total phosphorus shall be the average of composite samples collected weekly during the calendar quarter
Qanuary-March, April June, July -September, October -December).
7. Chronic Toxicity (Ce odapbnia dabia) P/F at 90%: January, April, July, and October [see condition A. (3)]. Toxicity monitoring shall
coincide with metals monitoring.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

PermitNCO020389
A. (3) CHRONIC TOXICI a z PERMIT LIMIT (Quarterly)
The effluent discharge shall at no time exhibit observable inhibition of reproduction or
significant mortality to Ceriodaphnia dubia at an effluent concentration of 90%.
The permit holder shall perform at a minimum, auarterlu monitoring using test procedures
outlined in the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised
February 1998, or subsequent versions or "North Carolina Phase II Chronic Whole Effluent
Toxicity Test Procedure" (Revised -February 1998) or subsequent versions. The tests will be
performed during the months of January, April, July and October. Effluent sampling for this
testing shall be performed at the NPDES permitted final effluent discharge below all treatment
processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV
below the permit limit, then multiple -concentration testing shall be performed at a minimum, in
each of the two following months as described in "North Carolina Phase II Chronic Whole
Effluent Toxicity Test Procedure" (Revised -February 1998) or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean
of the highest concentration having no detectable impairment of reproduction or survival and
the lowest concentration that does have a detectable impairment of reproduction or survival. The
definition of "detectable impairment," collection methods, exposure regimes, and further
statistical methods are specified in the "North Carolina Phase II Chronic Whole Effluent Toxicity
Test Procedure" (Revised -February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the
Effluent Discharge Monitoring Form (MR-1) for the months in which tests were performed, using
the parameter code TGP313 for the pass/fail results and THP313 for the Chronic Value.
Additionally, DWQ Form AT-3 (original) is to be sent to the following address:
NC DENR / DWQ / Environmental Sciences Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Branch
no later than 30 days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements
and all concentration/response data, and be certified by laboratory supervisor and ORC or
approved designate signature. Total residual chlorine of the effluent toxicity sample must be
measured and reported if chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity
monitoring is required, the Permittee will complete the information located at the top of the
aquatic toxicity (AT) test form indicating the facility name, permit number, pipe number, county,
and the month/year of the report with the notation of "No Floe' in the comment area of the
form. The report shall be submitted to the Environmental Sciences Branch at the address cited
above.
Should the Permittee fail to monitor during a month in which toxicity monitoring is required,
monitoring will be required during the following month.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Water Quality indicate potential impacts to the receiving stream, this permit may be
re -opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival, minimum control organism reproduction, and appropriate environmental controls, shall
constitute an invalid test and will require immediate follow-up testing to be completed no later than the
last day of the month following the month of the initial monitoring.

A. (4)
I . Permit NC0020389
CALCULATION OF i UTAL NITROGEN LOADS
A. (5)
a. The Permittee shall calculate monthly and annual TN Loads as follows:
i. Monthly TN Load (pounds/month) = TN x TMF x 8.34
where:
TN = the average Total Nitrogen concentration (mg/L) of the composite samples collected during the month
TMF = the Total Monthly Flow of wastewater discharged during the month (MG/month)
8.34 = conversion factor, from (mg/L x MG) to pounds
ii. Annual TN Load (pounds/year) = Sum of the 12 Monthly TN Loads for the
calendar year
b. The Permittee shall report monthly Total Nitrogen results (mg/L and pounds/month)
in the discharge monitoring report for that month and shall report each year's
annual results (pounds/year) in the December report for that year.
ANNUAL LIMITS FOR TOTAL NITROGEN
a. Total Nitrogen (TN) allocations and TN Load limits for NPDES dischargers in the
Neuse River basin are annual limits and are applied for the calendar year.
b. For any given calendar year, the Permittee shall be in compliance with the annual TN
Load limit in this Permit if:
i. the Permittee's annual TN Load is less than or equal to said limit, or
ii. the Permittee is a Co-Permittee Member of a compliance association.
c. The TN Load limit in this Permit (if any) may be modified as the result of allowable
changes in the Permittee's TN allocation.
i. Allowable changes include those resulting from purchase of TN allocation from
the Wetlands Restoration Fund; purchase, sale, trade, or lease of allocation
between the Permittee and other dischargers; regionalization; and other
transactions approved by the Division.
ii. The Permittee may request a modification of the TN Load limit in this Permit to
reflect allowable changes in its TN allocation. Upon receipt of timely and proper
application, the Division will modify the permit as appropriate and in accordance
with state and federal program requirements.
iii. Changes in TN limits become effective on January 1 of the year following permit
modification. The Division must receive application no later than August 31 for
changes proposed for the following calendar year.
iv. Application shall be sent to:
NCDWQ / NPDES Unit
Attn: Neuse River Basin Coordinator
Mail Service Center
Raleigh, NC 27699-1617
d. If the Permittee is a member and co-Permittee of an approved compliance
association, its TN discharge during that year is governed by that association's group
NPDES permit and the TN limits therein.
i. The Permittee shall be considered a Co-Permittee Member for any given calendar
year in which it is identified as such in Appendix A of the association's group
NPDES permit.
ii. Association roster(s) and members' TN allocations will be updated annually and
in accordance with state and federal program requirements.

Permit NC0020389
iii. If the PermittL , Aends to join or leave a co m an__ association, the Division
must be notified of the proposed action in accordance with the procedures
defined in the association's NPDES permit.
(1) Upon receipt of timely and proper notification, the Division will modify the
permit as appropriate and in accordance with state and federal program
requirements.
(2) Membership changes in a compliance association become effective on January
1 of the year following modification of the association's permit.
The TN monitoring and reporting requirements in this Permit remain in effect until expiration of
this Permit and are not affected by the Permittee's membership in a compliance association.
A. (6) LAGOON FREEBOARD HEIGHT REQUIREMENT
A minimum of 2 feet of freeboard height must be maintained in the lagoons (currently used for
equalization/sludge holding). A staff gauge must be placed in each lagoon and the height
recorded daily.

A. (7) EFFLUENT POLLU..NT S1 CAN • Permit NC00203@9
The Permittee shall perform an annual Effluent Pollutant Scan for all parameters listed in the attached table. The
analytical methods shall be in accordance with 40 CFR Part 136 and shall be sufficiently sensitive to
determine whether parameters are present in concentrations greater than applicable standards and
criteria. Samples shall represent seasonal variations. Unless otherwise indicated, metals shall be
analyzed as "total recoverable."
Ammonia (as N)
Trans-1,2-dichbroethylene
Bis (2-chloroethyl) ether
Chlorine (total residual, TRC)
1,1-dichloroethylens
Bis(2-chbroisopmpyl) ether
Dissolved oxygen
1,2dichloropropane
Bis (2ethylhezyl) phthalate
NihaleMbrite
1,3-dithlompropylene
4-bromophenyl phenyl ether
Y4eklahl nitrogen
Ethylbenzene
Butyl benzyl phthalate
Oil and grease
Methyl bromide
2chloronaphthalene
Phosphorus
Methyl chloride
4-chbrophenyl phenyl ether
Total dissolved solids
Methylene chloride
Chrysene
Hardness
1,1,2,2-tetrachloroethane
Di-n-butyl phthalate
Antimony
Tebachloroethylene
DPn "l phthalate
Arsenic
Toluene
Dibenzo(a,h)anthracene
Beryllium
1,1,1-bichloroethane
12dichlorobenzene
Cadmium
M,Michloroethane
1,3dichlorobenzene
Chromium
Trichloroethylene
1,4dichlorobenzene
Copper
Vinyl chloride
3,3dichlombenzidine
Lead
Acid-exbaclable compounds:
Diethyl phthalate
Mew
Pchloro-mcreso
DimethI phthalate
Nickel
2-chbrophenol
2,4-dinfttoluene
Selenium
2,4dichlorophenol
2,6din0rotoluene
Silver
2,4dimethylphenol
1,2diphenylhydrazine
Thallium
4,6dinibo-o-mol
Fluoranthene
Zinc
2,4dinibophenol
Fluorene
Cyanide
2-nihophenol
Hexachlorobenzene
Total phenolic compounds
4-nibophenol
Hexachlorobutadiene
yoladleomank compounds
Pentachlorophenol
Hexachbrocycb-pentadiene
Acmlein
Phenol
Hexachlomethane
Aaylonibile
2,4,6-trichlorophenol
Indeno(1,2,3-cd)pyrene
Benzene
Base -neutral compounds
Isophorone
Bromoform
Acenaphthene
Naphthalene
Carbon tetrachloride
Acenaphthylene
Nitrobenzene
Chlorobenzene
Anthraoene
N-n'Nosodi-"ropyler ine
Chlorodibromomethane
Benzidine
N-nibosodimethylamine
Chloroethane
Benzo(a)anthracene
N-nibosodiphenylamine
2chloroethylvinyl ether
Benzo(a)pyrene
Phenanthrene
Chloroform
3A benzofluoranthene
Pyrene
Dichlorobromomethane
Benzo(ghi)perylene
1,2,4-trichlorobenzene
1,1dichloroethane
Benzo(k)fluoranthene
1,2-dichbmthane
Bis (2-chloroethoxy) methane
Test results shall be reported to the Division in DWQ Form- A MR-PPAI or in a form approved by the
Director within 90 days of sampling. The report shall be submitted to the following address: Division of
Water Quality, Water Quality Section, Central Files, 1617 Mail Service Center, Raleigh, North Carolina
27699-1617.

0
DENR/DWQ
FACT SHEET FOR NPDES PERMIT DEVELOPMENT
NPDES Permit NCO020389
Facility Information
Applicant/Facility Name:
Town of Benson/Benson W WTP
Applicant Address:
P.O. Box 69, Benson, North Carolina 27501
Facility Address:
770 Hannah Creek Road; Four Oaks, North Carolina 27524
Permitted Flow
1.5 MGD expanding to 1.9 MGD
Type of Waste:
domestic 70% and industrial 30% with pretreatment program;
Facility/Permit Status:
Class IV /Active; Expansion
County:
Johnston County
Miscellaneous
Receiving Stream:
Hannah Creek
Regional Office:
Raleigh
Stream Classification:
C-NSW
State Grid / USGS d:
F24NE/Benson, NC
303 d Listed?
yes
Perrut Writer:
Dawn Jeffries
Subbasin:
03-04-04
Date:
November 17, 2005
Drainage Area (mi):
10.5
Lat. 35° 23' 22" N Long. 78° 30' 03" W
Summer 7Q 10 efs
0.0
Winter 7QI0 (cfs):
0.0
30 2 (cfs)
0.075
Average Flow (cfs):
12.0
IWC (%):
100%
SUMMARY OF FACILITY INFORMATION AND WASTELOAD ALLOCATION
The Town of Benson WWTP currently has a permitted flow of 1.5 MGD to serve its
3,232 customers, and is requesting an expansion to 1.9 MGD. Average flow in 2004
was 76% of permitted flow. The town is requesting this expansion based upon its own
20-year projected growth and its agreement with Johnston County to provide
wastewater treatment to the Four Oaks area, which is currently not serviced. The
Raleigh Regional Office has reviewed and commented on the Alternatives Analysis,
and does not object to the request. The Division has determined that the proposed
expansion is necessary to accommodate social and economic growth in the area and
that it will not result in contravention of surface water quality standards or loss of
designated uses in the receiving stream.
This facility discharges to Hannah Creek, classified C-NSW in subbasin 3-0 I
the Neuse River Basin. This portion of Hannah Creek is impaired due to ssolved
oxygen. At the time of the last renewal in late 2003, downstream oxygen levels were
noted to be lower than the standard (5.0 mg/L) nearly half the time. However, no
upstream data was available, and the facility's effluent DO levels were consistently
above 7 mg/L. Average effluent BOD levels were 3 mg/L and average ammonia levels
were 0.66 mg/L. It should also be noted that the area is somewhat swamp -like even
though it is not classified as such. In light of the available information, the permit
was renewed and an additional upstream monitoring station was added, which is
covered by Lower Neuse Basin Association. Data gathered will be evaluated by the
Division to determine what additional measures should be taken.
Esistia¢ Effluent Limits (a 1.5 MGD
Qw = 1.5 MGD
BODS = 5 mg/1 (summer); 10 mg/1 (winter)
NH3 = 2 mg/1 (summer); 4 mg/1 (winter)
TSS = 30 mg/1
Fact Sheet
NPDES NC0020389 Renewal
Page 1

DO = 6 mg/1 (summer)
Fecal Coliform = 200/ 100 ml
Total Residual Chlorine = 17 µg/1
Total Nitrogen = 33,790 lbs/yr
Total Phosphorus = 2.0 mg/L (quarterly average)
Total chromium = 50 µg/L
Total Nickel = 88 µg/L
Total mercury = 0.012 µg/L
pH = 6.0 - 9.0 standard units
Recommended Effluent Limits Ca, 1.9 MGD
Qw = 1.9 MGD
BOD5 = 5 mg/1 (summer); 10 mg/l (winter)
NH3 = 1 mg/1 (summer); 2 mg/I (winter)
TSS = 30 mg/l
DO = 6 mg/1
Fecal Coliform = 200/ 100 ml
Total Residual Chlorine = 17 µg/I
Total Nitrogen = 33,7901bs/yr
Total Phosphorus = 2.0 mg/L (quarterly average)
Total chromium = 50 µg/L
Total Nickel = 88 µg/L
Total mercury = 0.012 µg/L
PH = 6.0 - 9.0 standard units
TOXICITY TESTING
Current Requirement (for 1.5 MGD): Chronic Toxicity (Ceriodaphnia) P/F @ 90%;
January. April. Julv. October
Recommended Requirement (for 1.9 MGD): Chronic Toxicity (Ceriodaphnia) P/F @
90%; January, April, July, October
COMPLIANCE SUMMARY
The facility has passed all toxicity tests since 2001, and has had two limits violations
in 2004/2005; one for BOD in 2005 and one for flow in 2004.
PROPOSED CHANGES
• Increase flow limit from 1.5 MGD to 1.9 MGD
• Reduce ammonia limits to 1 mg/L (summer) and 2 mg/L (winter) at higher flow
PROPOSED SCHEDULE FOR PERMIT ISSUANCE
Draft Permit to Public Notice:
Permit Scheduled to Issue:
NPDES DIVISION CONTACT
November 23, 2005
January 16, 2006
If you have questions regarding any of the above information or on the attached
permit, please contact Dawn Jeffries at [phone] ext. 595.
-U5
Fact Sheet
NPDES NCO020389 Renewal
Page 2

REGIONAL OFFICE COMMENTS
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of 13c�son on 2-ce,5 Gie�c� OF Fe red -Uv -Fvlmolt:
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46 ag:"\ . Tl,o at -Pa foPcJra(hy Ac5 been Q I+errd by tt.0 1-4D
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5
Fact Sheet
NPDES NCO020389 Renewal
Page 3

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Message -ID: <42A08CE1.6010608Wncmail.net>
Date: Fri, 03 Jun 2005 13:01:21 -0400
From: Barry Herzberg <barry.herzberg®ncmail.net>
User -Agent: Mozilla Thunderbird 0.5 (Windows/20040207)
X-Accept-Language: en -us, en
MIME -Version: 1.0
To: Zi-giang Chen <zi-giang.chen®ncmail.net>,
Ken Schuster <ken.schuster®ncmail.net>
CC: Jay Zimmerman <jay.zimmerman®ncmail.net>
Subject: Town of Benson PER
Content -Type: text/plain; charset=ISO-8859-1; format=flowed
Content -Transfer -Encoding: 7bit
Zi-Qiang:
RRO-SWP has reviewed the PER for the Town of Benson as per your request
dated May 12, 2005.We offer the following comments:
1) Page 13, article 3.2.4: As a matter of information, a permit
modification has been issued to Johnston County to send 150,000 gpd from
Four Oaks to Benson (WQ0019649). The addition of this flow to the
average WWTP flow in 2004 would put the facility at 86% of capacity.
There are no other significant permits not yet tributary to the WWTP.
2) The topographic maps included in the PER of the general area are
outdated. Interstate 40, which passes between the Town and the WWTP, is
not shown. The area topography has been altered by the I-40
interchange. See also item 3, next.
3) Page 56, article 7.3.4.4: Current topo maps indicate the area
surrounding the plant on the east, south and west sides is wetlands,
marshlands and/or swamplands, contrary to the statement made in the PER.
4) Page 57, article 7.3.4.10: similar to item 3 above, current topo
maps contradict the statement made in the PER regarding
marshlands/swamplands.
5) Page 63, article 7.3.8: It should be noted that the Town is
responsible for obtaining any and all permits required, not just those
mentioned in the PER.
Feel free to call if I can offer any other info. I hope to be doing a
recon inspection in Benson next week or two, and will advise if I see
anything .
Barry

�otFR
QG
7
Memorandum
To, Mark Hubbard
From: Barry Herzberg
Through: Ken Schuster
Date: November 7, 2005
Subject: Authorization to Construct
Town of Benson WWTP
NCO020389
Johnston County
11
Michael F I asle). (imcrnm
Wllham(i Ro,,. Ir ticnmen
North Carolina Department of Environment and Natural ReSO Uteei
Alan W. Klimek. P.E., Director
Division of Water Quality
The Raleigh Regional Office has completed its' review of the specifications submitted with your request
of October 19, 2005, and offers the following comments: Note that our review does not include standard
terms and conditions. Also, we will provide comments on plans separately from this letter, as we are not
yet in receipt of construction drawings.
The Raleigh Regional Office several months ago commented on the outdated topographic maps
included in the PER that did not accurately reflect the existing conditions around the treatment
facility. As we noted in that review, the area topography has been significantly altered due to the
Interstate 40 - Interstate 95 interchange which was not shown on the submitted topo maps.
Current topo maps indicate areas close to the proposed construction might be wetlands and/or
swampland, and we feel it would be appropriate for the engineer to provide updated comments
regarding area topography.
2. Spec section 01312, article 1.01 A: This article makes reference to this section of the
specification covering admin and supervisory personnel, general installation provisions and
cleaning and protection. The articles that follow, however, cover contractor responsibilities,
admin procedures and conservation.
3. Spec section 01330, article 1.04 H: O&M manuals should also be provided on CD or DVD.
The RRO will provide comments on plans after receipt.
Please advise if we can provide any additional information.
None
rthCarolina
✓Vatura!!il
North Carolina Division of Water Quality Raleigh Regional Office Surface Water Protection Phone [phone] Customer Scrricc
Internet h2o.enr.state.nc.us 1628 Mail Service Center Raleigh, NC 27699-1628 FAX [phone]
An Equal OpporturrylAffirmahve Action Employer— 50%Recycledl10% Post Consumer Paper

FAX COVER SHEET
NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT
NCDENR
AND NATURAL RESOURCES
Raleigh Regional Office
1628 Mail Service Center
Raleigh, NC 27699-1628
Pages,
FROM:
SUBJECT:
MESSAGE:
including cover sheet
FAX:-7/5�� (vZ
)ATE: Z 4r D
If you do not receive all pages, call 919.571.4700 or fax back to 919.571.4718.

Re: Town of Benson (E-SRG-T-02-0 -
•
Subject: Re: Town of Benson (E-SRG-T-02-0137)
From: Zi-giang Chen <[e-mail]>
Date: Thu, 10 Feb 2005 13:10:19 -0500
To: Barry Herzberg <[e-mail]>
Thanks Barry...I got your fax
Talk you later
Zi-Qiang Chen
Barry Herzberg wrote:
Subject letter being faxed to you now!
Barry
Zi-giang Chen wrote:
Hello, Barry and yo'all:
Thanks for your message. I just checked the CG&L's records and did NOT see
such a letter you mentioned (dated in Nov., 03'??).
Our record shows that the project was approved
in Aug. 03' (see attached Approval Letter).
Would you please forward me a copy of the letter?
Thanks.
Take care,
Zi-giang Chen
-----------------------------------------------------------
Barry Herzberg wrote:
Zi-Qiang:
RRO has an application for a Fast Track sewer extension for Four Oaks,
Johnston County. This would re -direct flow from Four Oaks (currently
tributary to Central Johnston WWTF) to Benson WWTF. The addition of the flow
amount would place Benson under the 80/90 moratorium rule.
We have in our files a request from Benson for speculative limits based on an
upgrade to 1.9 MOD from 1.5 MGD. This was in November of 2003. There is also
a letter from Larry Horton dated April 28, 2003, requesting a revised 201
Facilities Plan or a PER in response to Benson's 201 plan, amendment 3. Was a
PER ever submitted for this facility in response to Larry's letter?
Any current information you might have available on the subject would be
appreciated.
Thanks.
Barry
1 of 1 2/15/2005 6:55 AM

August 4, 2003
The Honorable Donald H. Johnson, Mayor
Town of Benson
Post Office Box 69
Benson, North Carolina 27504-0069
SUBJECT: Approval -Town of Benson
Preliminary Engineering Report
Sewer Rehabilitation and Wastewater Reuse System
Project No. E-SRG-T-02-0137
Dear Mayor Johnson:
The Construction Grants and Loans Section of the Division of Water Quality has
completed its review of the town of Benson's Preliminary Engineering Report. The project
consists of the rehabilitation of existing sewer lines and installation of an effluent reuse system to
provide irrigation to three athletic fields at the South Johnston County High School. The
rehabilitation of existing sewer lines' portion of the project includes 589 linear feet (l.f.) of
8-inch sewer lines, 5,893 11 of 15-inch sewer lines, 1,12411 of 18-inch sewer lines, 8211 of
24-inch sewer lines, and 21 manholes. The reuse component includes installation of two (2)
180 gallon -per -minute vertical turbine pumps, approximately 1,40011 of 4-inch diameter pipe
and approximately 7,8001.f. of 6-inch diameter pipe, a 6,000-gallon hydropneumatic tank, a
turbidity meter, and a telemetry system.
The subject town of Benson Preliminary Engineering Report is hereby approved.
If you have any questions concerning this matter, please contact Mr. Lary Horton, P.E.
of our staff at [phone].
Sincerely,
John R. Blowe, P.E., Chief
Construction Grants & Loans Section
ZQC/dr
cc: Allen Wahab, P.E., The Wooten Company
DWQ Raleigh Regional Office
Daniel Blaisdell, P.E.
Zi-Qiang Chen, Ph.D.
PMB/DMU/FEU/SRG

TOWN OF BENSON
Technical Review Comments
Amendment No. 3 to the 201 Facilities Plan and
Sanitary Sewer Evaluation Survey
Project No. E-SRG-T-02-0137
April 28, 2003
I. GENERAL
1. Change the report title to Preliminary Engineering Report (PER), or carry out the
alternative analyses and other necessary components in the 201 Plan (a copy of the 201
Plan Outline is attached), and include an Environmental Assessment that would be
suitable for an environmental review by various agencies.
2. Provide an Environmental Assessment that addresses the items shown in the PER outline
(a copy of the outline is attached).
3. A Facilities Plan or a PER is considered an engineering report; therefore, the front page
or cover should be signed and sealed by an engineer, licensed to practice in North
Carolina.
4. Provide an executive summary that covers the entire project, including the rehabilitation,
reuse, and TN removal.
5. A Table of Contents should reference the contents of the whole report. Please add the
location and subject for all figures presented in this report. Please also provide the
location and subject for the design calculation, process flow alternative, and hydraulic
profile.
• Table of Contents
• Figures
• Tables
• Wastewater Reuse Section
• Nutrient Removal Section
• Number the entire report pages continuously for proper Table of Contents'
reference.
6. Provide a section in the report that summarizes all of the three aspects (rehabilitation,
reuse, and TN removal) of the project's work, project costs, and project funding.
7. Please confirm the similarities of the proposed Sanitary Sewer Rehabilitation program to
the two (2) previously approved in April and September of 1999, respectively.

L-A
8. Please provide a copy of a letter from South Johnston High School, agreeing to accept
the reuse water, verifying the amount they can receive, and having an understanding
of the reuse regulations.
9. The following concerning the reuse program should be addressed:
a) Please provide the soils survey report for the proposed spray site, verify an acceptable
loading rate, and identify it on the town's wastewater system map.
b) A map of the proposed spray site should be provided.
c) Describe the existing tertiary filters, and discuss the existing WWTP's ability to meet
reuse effluent limits.
d) Describe the proposed turbidity meter or particle counter, and the proposed reuse
pumps to include number of pumps and capacities. Also, include the turbidity meter
in the project cost estimate.
10. Provide a copy of the current NPDES limits pages, and advise of the ability to comply
with the existing limitations.
11. Please note that approval of the Facilities Plan does not constitute approval of sole source
procurement. Plans and specifications must comply with N.C. General Statute
Chapter 133, Section 3, prior to their approval.
12. In Design Calculations -Recycle Pump and Pipe section, where is the referred attachment
that shows the peak rates of flow through various components?
13. Please be advised that the town should have an approved user charge system and a sewer
use ordinance to provide for funding the sewer system operation and maintenance, and
repayment of the SRL loan.
14. The owner and consulting engineer should be advised that after approval of the Facilities
Plan, there are several construction project permits, approvals, certifications, etc. that must
be obtained before the project plans and specifications can be approved, and before the
project is advertised for bids. Therefore, it is strongly recommended that preliminary work
to obtain the following items, if applicable, begin as soon as possible:
a) Sedimentation and Erosion Control Permit from the Division of Land Quality, or a
letter from them stating that no permit is required for this project.
b) 401 Water Quality Certification and Army Corps of Engineers' 404 Permit for all
stream crossings, or a letter from the Army Corps of Engineers and from the
Wetlands 401 Certification Unit stating that none is required for this project.
c) A reasonable subsurface investigation must be made available to the contractor. If it is
not included in the specifications, the specifications must advise where a copy of the
report can be observed. Typically, Construction Grants and Loans expects a boring

about every 500 feet and at each road crossing for line work, and at all major structures
like pump stations, aeration basins, and clarifiers.
d) NCDOT Encroachment Agreements and Railroad Encroachment Agreements.
Copies of these agreements must be provided in the specifications, or it must be
documented how all construction requirements, associated with the agreements, have
been incorporated in the plans.
e) All construction easements, permanent easements, and rights -of -way. These
easements and rights -of -way must be shown on the plans.
II. CURRENT SITUATION:
1. Please identify the town's population and demographics. Identify the current service
population, (or the population at the time the proposed facility will start operation), for
the subject project area.
2. Page 6: Please conduct infiltration/Inflow (I/I) analysis using N.C. CG&L's screening
criteria noted below. Two flow values are of interest: A high peak instantaneous flow
can result in a washout of any clarifiers, and a high total flow can affect compliance with
NPDES flow limits:
a) Infiltration is the average daily flow of the three wettest consecutive months minus
the expected flow. Expected flow is based on water billing records minus a
consumptive loss of 10 to 15 percent. Infiltration greater than 3000 gallons per day
per inch -mile (GPDM of pipe is considered excessive.
b) Inflow is typically estimated from flow records following a one -inch rain event. The
rain event used for the analysis should be preceded by at least five dry weather days.
Inflow is considered excessive if non -industrial instantaneous peak flows at the
wastewater treatment plant, following a one -inch rain, exceed 275 GPD per capita
served. This figure represents the total flow; do not subtract the baseline or dry
weather flow.
c) If excessive I/I is small, provide a schedule for I/I identification and removal, and
their cost. Removal of excessive I/I should occur prior to placing new facilities on
line.
Notes:
Daily precipitation data can be obtained from the State Climate Office at their website at
http://www.nc-clirmte.nesu.edu/, through e-mail [e-mail], or by calling 919-515-3056.
3. Provide a description of current flows as follows:
a) Residential flow should be based on water billing records minus a 10% consumptive
loss.
b) Commercial flow should be based on water billing records minus a 10%
consumptive loss.

c) Industrial flow should be based on dual metering to determine consumptive losses.
Flow commitments should be taken into consideration as current flows.
d) Non -Excessive I/I as defined above.
III. FUTURE SITUATION
1. Provide 20-year population projections. The Office of State Planning provides
population data for each county and municipality that can be accessed on the Internet
at: http://www.ospl.state.nc.us/demog. Other data may be used, if available.
2. Provide flow projections using the following criteria:
a) Provide current flows including non -excessive M and any planned industrial flows,
with a Letter of Intent as justification.
b) Provide 20-year flows and residential growth based on population projections.
Typically, this flow value is based on 70 GPD per capita of projected growth in
residential population.
c) Provide 20-year commercial growth based on population projections. Typically,
this flow value is based on 15 GPD per capita of projected growth in residential
population.
d) 10% Industrial Reserve (based on 10% of current flows excluding
IV. ALTERNATIVES
1. The applicant must evaluate the following alternatives using the present worth analysis
for report to qualify as a 201 Plan:
a) No action
b) Optimum operation of existing facilities
c) Land application
d) Regional System
e) Water Reuse System (proposed)
2. Feasible alternatives should also be evaluated if the report is submitted as a PER.
3. Confirm that sludge management will comply with the 40 CFR 503 regulations.
Provide sludge production calculations and advise what methods will be used to
comply with pathogen and vector attraction reduction.
4. Confirm that the proposed facilities comply with the NCAC 211.0219 minimum design
criteria.
V. PRESENT WORTH ANALYSIS
1. Provide a current itemized cost estimate for both reuse and nutrient removal
components.
2. Page 6: Please use the current EPA discount rate of 5.875% for present worth
analyses. Each feasible alternative must be included in the present worth analysis.

•
3. Pages 6 & 7: The present worth analysis should include the following items:
a) Capital costs including the costs associated with patent fees.
b) Contingency.
c) Costs for engineering.
d) Start-up services.
e) Operation & Maintenance manual.
f) Land and easements, etc. Itemize these costs and include them in the present
worth analysis. Currently, the cost of land is generally not eligible under the SRF
program. Exceptions are made for land application of wastewater, land
application of sludge, and storage of wastewater.
g) Annual operation and maintenance costs and present worth of those costs.
h) Present worth of replacement costs.
i ) Present worth of salvage value.
VI. USER CHARGE
Please provide a summary and a breakdown of all proposed sources of funding for the
project that indicates how all of the project costs will be funded. Provide narrative
that addresses the impacts that repayment of the project SRG loan will have on user
charges.
a) Provide both current and expected user charges for the typical residential
customer using 5,000 gallons per month.
b) The user charges must be sufficient to repay any grant that is required for the
project's capital, and operation and maintenance costs. Expected revenue from
user charge should be based on the first year's billable flow.
c) Anticipated disbursements should include the first year's principal and interest
payments, and the first year's operation and maintenance cost. Itemize these costs
and provide a basis for the expected user charges.

Facility Name
Date of sampling
Analytical Laboratory
Permit No. NC062,01 o
Outfall fJDI
Jpkl\stn Cn'(y
Town of Benson WWTP
10 27 04
Environment One
Val Monitoring and Pollutal
ORC _
Phone
t)
Month /✓ccPm 2
Year 200 `1
Martin Morris
919-894-2373
Parameter
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Number of
samples
Ammonia (as N)
Composite
SM4500HN3
2.12
mg/l
1
Dissolved oxygen
Composite
SM4500 OG
8.2
mg/l
1
Nitrate/Nitrite
Composite
EPA353.2
1.62
mg/l
1
Total Kjeldahl nitrogen
Composite
EPA351.2
3.68
mg/1
1
Total Phosphorus
Composite
ISM4500P
0.9
mg/1
1
Total dissolved solids
Composite
EPA160.1
223
mg/1
1
Hardness
Composite
SM2340C
65
mg/l
1
Chlorine (total residual, TRC)
Grab
SM4500CLE
0.28
mg/l
1
Oil and grease
Grab
SM5520B
2.3
mg/l
1
Metals (total recoverable), cyanide and total
phenols
Antimony
Composite
EPA204.2
10
ug/1
1
Arsenic
Composite
EPA206.2
<5.0
ug/l
1
Beryllium
Composite
EPA200.7
<1.0
ug/1
1
Cadmium
Composite
EPA213.2
<1.0
ug/1
1
Chromium
Composite
EPA200.7
<5.0
ug/l
1
Copper
Composite
EPA220.1
10
ug/l
1
Lead
Composite
EPA239.2
<5.0
ug/1
1
Mercury
Composite
EPA1631
9.4
ng/I
1
Nickel
Composite
EPA200.7
<5.0
ug/i
1
Selenium
Composite
EPA270.2
<10
ug/I
1
Silver
Composite
EPA200.7
<5.0
ug/1
1
Thallium
Composite
EPA279.2
<1.0
ug/l
1
Zinc
Composite
EPA289.1
511
ug/1
Cyanide
Grab
SM4500CNE
<0.005
1 mg/l
1
Total phenolic compounds
Grab
ISM51OA8&BI
<2
1 ug/1
I1
Volatile organic compounds
Acrolein
Grab
EPA624
<100.00
ug/1
1
Acrylonitnle
Grab
EPA624
<50.00
ug/1
1
Benzene
Grab
EPA624
<5.0
ug/1
1
Bromoform
Grab
EPA624
<5.0
ug/ 1
1
Carbon tetrachloride
Grab
EPA624
<5.0
ug/1
1
Chlorobenzene
Grab
EPA624
<5.0
ug/l
1
Chlorodibromomethane
Grab
EPA624
<5.00
ug/I
1
Chloroethane
Grab
EPA624
<10.00
ug/1
1
2-chloroethylvinyl ether
Grab
EPA624
<5.00
ug/1
1
Chloroform
Grab
EPA624
<5.00
ug/1
1
Dichlorobromomethane
Grab
EPA624
<5.00
ug/I
1
1,1-dichloroethane
Grab
EPA624
<5.00
ug/1
1
1,2-dichloroethane
Grab
IEPA624
1
1 <5.00
ug/1
I1
Trans-1,2-dichloroethylene
I Grab
IEPA624
1
1 <5.00
ug/l
I1
Form - DMR- PPA-1 Page 1

ual Monitoring and Pollutai
Permit No. AlC b 0 0 31 Month �G�PC
Outfall e('( Year ZCpy
Parameter
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
units of
Measurement
Number of
samples
Volatile organic compounds (Cont.)
1,1-dichloroethylene
Grab IEPA624
<5.00
ug/l
1,2-dichloropropane
Grab
EPA624
<5.00
ug/1
1
1,3-dichloropropylene
Grab
EPA624
<5.00
ug/1
1
Ethylbenzene
Grab
EPA624
<5.00
ug/1
1
Methyl bromide
Grab
EPA624
<10.00
ug/1
1
Methyl chloride
Grab
EPA624
<10.00
ug/1
1
Methylene chloride
Grab
EAP624
<10.00
ug/I
1
1,1,2,2-tetrachloroethane
Grab
EPA624
<5.00
ug/I
7
Tetrachloroethylene
Grab
EPA624
<5.00
ug/1
1
Toluene
Grab
EPA624
<5.00
ug/1
1
1,1,1-trichloroethane
Grab
EPA624
<5.00
ug/1
1
1,1,2-trichloroethane
Grab
EPA624
<5.00
ug/l
1
Trichloroethylene
Grab
EPA624
<5.00
ug/1
1
Vinyl chloride
Grab
IEPA624
I
<10.00
ug/1
Acid -extractable compounds
P-chloro-m-creso
Grab
EPA625
<20.00
ug/1
1
2-chlorophenol
Grab
EPA625
<10.00
ug/l
1
2,4-dichlorophenol
Grab
EPA625
<10.00
ug/1
1
2,4-dimethylphenol
Grab
EPA625
<10.00
ug/1
1
4,6-dinitro-o-cresol
Grab
EPA625
<50.00
ug/1
1
2,4-dinitrophenol
Grab
IEPA625
<50.00
ug/1
1
2-nitrophenol
Grab
EPA625
<10.00
ug/I
1
4-nitrophenol
Grab
EPA625
<50.00
ug/I
1
Pentachlorophenol
Grab
EPA625
<50.00
ug/I
1
Phenol
Grab
EPA625
<10.00
ug/I
1
2,4,6-trichlorophenol
Grab
EPA625
<10.00
ug/I
1
Base -neutral compounds
Acenaphthene
Grab
EPA625
<10.00
ug/1
1
Acenaphthylene
Grab
EPA625
<10.00
ug/1
1
Anthracene
Grab
EPA625
<10.00
ug/1
1
Benzidine
Grab
EPA625
<100.00
ug/1
1
Benzo(a)anthracene
Grab
EPA625
<10.00
ug/l
1
Benzo(a)pyrene
Grab
EPA625
<10.00
ug/1
1
3,4 benzofluoranthene
Grab
EPA625
<10.00
ug/1
1
Benzo(ghi)perylene
Grab
EPA625
<10.00
ug/I
1
Benzo(k)fluoranthene
Grab
EPA625
<10.00
ug/l
1
Bis (2-chloroethoxy) methane
Grab
EPA625
<10.00
ug/1
1
Bis (2-chloroethyl) ether
Grab
EPA625
<10.00
ug/1
1
Bis (2-chloroisopropyl) ether
Grab
EPA625
<10.00
ug/l
1
Bis (2-ethylhexyl) phthalate
Grab
EPA625
<20.00
ug/1
I1
4-bromophenyl phenyl ether
Grab
EPA625
<10.00
ug/1
I 1
Butyl benzyl phthalate
Grab
EPA625
<10.00
ug/1
11
2chloronaphthalene
Grab
EPA625
<10.00
ug/1
I1
Form - DMR- PPA-1 Page 2

Permit No. IVG 00 R O �Oual Monitoring and Polluta: :46
,, n
Outfall _ _ U 0 I
Month Q¢caw�
Year ZOoy
4-chlorophenyl phenyl ether
Go ah
IEPA625
I
<10.00
ug/1
1
Parameter
Sample
Type
Analytical
Method
Quantitation
Level
sample
Result
Units of
Measurement
Number of
samples
Base -neutral compounds (coat.)
Chrysene
Grab
EPA625
<10.00
ug/l
1
Di-n-butyl phthalate
Grab
EPA625
<10.00
ug/1
1
Di-n-octyl phthalate
Grab
EPA625
<10.00
ug/1
1
Dibenzo(a,h)anthracene
Grab
EPA625
<10.00
ug/l
1
1,2-dichlorobenzene
Grab
EPA625
<10.00
ug/1
1
1,3-dichlorobenzene
Grab
EPA625
<10.00
ug/1
1
1,4-dichlorobenzene
Grab
EPA625
<10.00
ug/1
1
3,3-dichlorobenzidine
Grab
EPA625
<10.00
ug/1
1
Diethyl phthalate
Grab
EPA625
<10.00
ug/l
1
Dimethyl phthalate
Grab
EPA625
<10.00
ug/1
1
2,4-dinitrotoluene
Grab
EPA625
<10.00
ug/1
1
2,6-dinitrotoluene
Grab
EPA625
<10.00
ug/1
1,2-diphenylhydrazme
Grab
EPA625
<10.00
ug/1
1
Fluoranthene
Grab
EPA625
<10.00
ug/l
1
Fluorene
Grab
EPA625
<10.00
ug/1
1
Hexachlorobenzene
Grab
EPA625
<10.00
ug/1
1
Hexachlorobutadiene
Grab
EPA625
<10.00
ug/1
1
Hexachlorocyclo-pentadiene
Grab
EPA625
<10.00
ug/1
1
Hexachloroethane
Grab
EPA625
<10.00
ug/l
1
Indeno(1,2,3cd)pyrene
Grab
EPA625
<10.00
ug/l
1
Isophorone
Grab
EPA625
<10.00
ug/1
1
Naphthalene
Grab
EPA625
<10.00
ug/1
1
Nitrobenzene
Grab
EPA625
<10.00
ug/1
1
N-nitrosodi-n-propylamine
Grab
EPA625
<10.00
ug/l
1
N-nitrosodimethylamine
Grab
EPA625
<10.00
ug/1
1
N-mtrosodiphenylamine
Grab
EPA625
<10.00
ug/1
1
Phenanthrene
Grab
EPA625
<10.00
ug/1
1
Pyrene
Grab
EPA625
<10.00
ug/1
1
1,2,4,-trichlorobenzene
Grab
EPA625
<10.00
ug/1
1
I certify under penalty of law that this document and all attachments were prepared under my direction
and supervision in accordance with a system to design to assure that qualified perdonnel properly
gather and evaluat the information submitted. Based on my inquiry of the person or persons that
manage the system, or those persons directly responsibel for gathering the information, the
information submitted is , to the best of my knowledge and belief, true, accurate and complete. I am
aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations.
Form - DMR- PPA-1 Page 3

WA7F9
P
ilv
Mr. Keith Langdon
Town Manager
Town of Benson
P.O. Box 69
Benson, NC 27504
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Del inronment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
DIVISION OF WATER QUALITY
August 8, 2003
Subject: Compliance Evaluation Inspection
Biomonitoring Inspection
Benson WWTP
NPDES Permit No. NCO020389
Johnston County
Dear Mr. Langdon:
On July 29, 2003, Mr. Kirk Stafford of the Raleigh Regional Office and Mr. Wes Hare of the
Wilmington Regional Office of the Division conducted a Compliance Evaluation Inspection (CEI) and a
Biomonitoring Inspection at the subject facility accompanied by Mr. Martin Morris, Operator in
Responsible Charge (ORC). His assistance and cooperation was helpful and appreciated. As a result of
the inspection, the following items were noted.
1) The facility has a Grade IV Biological water pollution control system and the Technical Assistance
and Certification (TAC) Unit of the Division of Water Quality has Martin Morris, Grade IV. listed as
ORC and Billy Addison. Grade IV, as Backup ORC.
2) The facility currently consists of automatic and manual bar screens. Parshall flume with flow
measurement, influent sampler, three influent screw pumps, three extended aeration/oxidation
ditches, four secondary clarifiers, tertiary filters, chlorination facility with chlorine contact chamber.
post aeration, effluent flow meter, two influent equalization lagoons. and aerated sludge lagoon with
discharge to Hannah Creek.
3) During the inspection, the influent sampler was at 0.5 degrees Centigrade and the effluent sampler
was at 1.0 degrees Centigrade. The effluent sampler is setup to collect samples flow proportionally.
4) A review of laboratory data and self -monitoring data revealed consistent reporting of results.
5) An ORC log and a daily calibration log are kept in accordance with the requirements of 15A NCAC
2B .0506 c(3). The ORC log is kept on a computer and the entries are made by the ORC.
6) The effluent discharge at the time of inspection was clear and free of excess foam.
7) Mr. Kirk Stafford of the Raleigh Regional Office collected 24 hour composite samples of the effluent
wastewater at the subject facility on July 30 and August 1, 2003. The Division's Aquatic Survey and
Toxicological Unit performed a Chronic Ceriodaphnia dubia pass/fail toxicity test on these samples.
The result of the test indicated a PASS which is in compliance with the permit requirement. A review
of the toxicity summary for the period April 2002 through April 2003 showed compliance for all five
tests.
Raleigh Regional Office 1628 Mail Service Center phone [phone] Customer Service
Water Quality Section Raleigh, NC 27699-1628 facsimile (919) 571 A718 1-800-623-7748
��tV
A
NCDENR

DOC CALEDONIA CEI
Page 2
8) Sludge generated at the subject facility has been land applied the past two years by Atlantic Coastal
Contracts.
9) Both equalization lagoons had at least three feet of freeboard and the inspector did not notice any
evidence of overflows.
If you have any questions concerning this correspondence please me at 919-571-4700.
Sincerely,
Kirk Stafford
Environmental Chemist
Cc: Maurice Horsey -EPA

a
need States n ronmemal miecton Agency
Form Approved.
EPA Washington, D.C. 20460
OMB No. 2040-0057
Water Compliance Inspection Report
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPDES yrrmo/day Inspection Type Inspector Fac Type
1 L„J 2 ICI 31 NC0020389 I11 12I 03/07/29 17 18L,J 19LJ 20
J
Remarks
21II1111111111111ll111l111l1111111l11l111l1111l1166
Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 CA Reserved
67 I 4.0 170 UI 71 „ 72 L„ 73 I IJL75 I I 80
Section El: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
Entry Time/Date
Permit Effective Date
POTW name and NPDES permit Number)
:0:00 AM 03/07/29
00/11/01
Benson WWTP
Exit Time/Date
Permit Expiration Date
NCSR 1171 South of I-95
Benson NC 27504
12:00 PM 03/07/29
03/C4/30
Name(s) of Onsite Representattve(syrtles(syPfone and Fax Number(s)
Other Facility Data
Martin A. Morris/ORC/910-814-0318/
Keich langdon///
Name, Address of Responsible OfBciaVritle/Phone and Fax Number
Contacted
Keith R Langdon,PO Box 69 Benson NC 27504//919-694-3553/ No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit Flow Measurement operations L Mairtcenance Records/Reports
Self -Monitoring Program Sludge Handling D-sposal Facility Site Review Rffluenti Rece=vino itacers
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
The mini chronic zest conducted at the DwQ lab resulted -:n a 'PASS'. See attached letter for facilLcy CSI
details.
Name(s) and Signature(s) of Inspectors) Agency/Office/Phone and Fax Numbers Date
Kirk M Stafford RRO WQ//919-571-4700/919-571-4710
7��
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.

r]
United tales nvironmenta Protection Agency
Form Approved.
EPA Washington, D.C. 20460
OMB No. 2040-0057
Water Compliance Inspection Report
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type
1 ���� 2 3 11 12 17 18 19IcI 20
L'J u I NC0020389 I I 03/06/26 I U l� u
Rernarka
21,1111111111111111111111111111111111,111,111,,1166
Inspection Work Days Facility Self-Montioring Evaluation Rating 131 OA —--Resery
67 I 169 70 U 71 U 72 I„ I 73 � 74 75I I I I I I I 180
LJ
Section 8: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
Entry Time/Date
Permit Effective Dale
POTW name and NPDES permit Number)
02:00 PM 03/06/26
00/11/01
Benson WWTP
Exit Time/Date
Permit Expiration Date
NCSR 1171 South of 1-95
Benson NC 27504
02:30 PM 03/06/26
03/04/30
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)
Other Facility Data
Martin A. Morrie/ORC/910-814-0318/
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Keith R Langdon,PO Box 69 Benson NC 27504//919-894-3553/
No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Operations 6 Maintenance Facility Site Review Effluent/Receiving Waters
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
all unite operational, effluent clear, free of solids, basins greenish color due to industry
Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date
Ted A Cashion RED WQ//919-571-4700/919-571-4718 03 19
Signature of Management O A Reviewer Agency/Office/Phone and Fax Numbers Date
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. /
�Zd3��l

OF w A TF.9 Michael F. Easley, Governor
\'nr William G- Ross Jr., Secretary
DR�r
//////������''''''��������,��, �/'� G Nortl rtment of Environment and Natural Resources
j yVr` Alan W. Ornek, P.E.. Director
Division of Water Quality
O Y
April 28, 2003
The Honorable Donald H. Johnson, Mayor
Town of Benson P�
Post Office Box 69
Benson, North Carolina 27504-0069 ✓
SUBJECT: Town of Benson
201 Facilities Plan Amendment No. 3
Project No. E-SRG-T-02-0137
Dear Mayor Johnson:
The Construction Grants and Loans Section has completed its review of the subject town
of Benson 201 Facilities Plan Amendment No. 3 of August 2000. A copy of the comments
resulting from this review is attached for your reference. These comments are also being sent
directly to your consulting engineer, Wooten Company, by copy of this letter. A revised 201
Facilities Plan Amendment, or a Preliminary Engineering Report that incorporates responses to
these comments, should be submitted for our review and approval as soon as possible. Providing
thorough and complete responses to these review comments in a timely manner is necessary to
avoid delays of the project approval.
If you have any questions concerning this matter, please contact Mr. Zi-Qiang Chen at
[phone], or contact me at [phone].
Sincerely, �1 /
K. Lawre ce Horton, III, P.E., Supervisor
Facilities Evaluation Unit
ZQC/dr
Attachments
cc: Allen Wahab, P.E., The Wooten Company
DWQ Raleigh Regional Office
Daniel Blaisdell, P.E.
Zi-Qiang Chen, Ph.D., P.E.
PMB/DMU/FEU/SRG
Construction Grants and Loans Section 1633 Mail Service Center Raleigh, NC 27699-1633 [phone]
Web Site: www,nccgl.net FAX [phone]-M
s«n
'vl� l)t P,1
Customer Service
1 600 623-7748

TOWN OF BENSON
Technical Review Comments
Amendment No. 3 to the 201 Facilities Plan and
Sanitary Sewer Evaluation Survey
Project No. E-SRG-T-02-0137
April 28, 2003
I. GENERAL
1. Change the report title to Preliminary Engineering Report (PER), or cant' out the
alternative analyses and other necessary components in the 201 Plan (a copy of the 201
Plan Outline is attached), and include an Environmental Assessment that would be
suitable for an environmental review by various agencies.
2. Provide an Environmental Assessment that addresses the items shown in the PER outline
(a copy of the outline is attached).
3. A Facilities Plan or a PER is considered an engineering report; therefore, the front page
or cover should be signed and sealed by an engineer, licensed to practice in North
Carolina.
4. Provide an executive summary that covers the entire project, including the rehabilitation,
reuse, and TN removal.
5. A Table of Contents should reference the contents of the whole report. Please add the
location and subject for all figures presented in this report. Please also provide the
location and subject for the design calculation, process flow alternative, and hydraulic
profile.
• Table of Contents
• Figures
• Tables
• Wastewater Reuse Section
• Nutrient Removal Section
• Number the entire report pages continuously for proper Table of Contents'
reference.
6. Provide a section in the report that summarizes all of the three aspects (rehabilitation,
reuse, and TN removal) of the project's work, project costs, and project funding.
7. Please confirm the similarities of the proposed Sanitary Sewer Rehabilitation program to
the two (2) previously approved in April and September of 1999, respectively.

•
w
8. Please provide a copy of a letter from South Johnston High School, agreeing to accept
the reuse water, verifying the amount they can receive, and having an understanding
of the reuse regulations.
9. The following concerning the reuse program should be addressed:
a) Please provide the soils survey report for the proposed spray site, verify an acceptable
loading rate, and identify it on the town's wastewater system map.
b) A map of the proposed spray site should be provided.
c) Describe the existing tertiary filters, and discuss the existing W WTP's ability to meet
reuse effluent limits.
d) Describe the proposed turbidity meter or particle counter, and the proposed reuse
pumps to include number of pumps and capacities. Also, include the turbidity meter
in the project cost estimate.
10. Provide a copy of the current NPDES limits pages, and advise of the ability to comply
with the existing limitations.
11. Please note that approval of the Facilities Plan does not constitute approval of sole source
procurement. Plans and specifications must comply with N.C. General Statute
Chapter 133, Section 3, prior to their approval.
12. In Design Calculations -Recycle Pump and Pipe section, where is the referred attachment
that shows the peak rates of flow through various components?
13. Please be advised that the town should have an approved user charge system and a sewer
use ordinance to provide for funding the sewer system operation and maintenance, and
repayment of the SRL loan.
14. The owner and consulting engineer should be advised that after approval of the Facilities
Plan, there are several construction project permits, approvals, certifications, etc. that must
be obtained before the project plans and specifications can be approved, and before the
project is advertised for bids. Therefore, it is strongly recommended that preliminary work
to obtain the following items, if applicable, begin as soon as possible:
a) Sedimentation and Erosion Control Permit from the Division of Land Quality, or a
letter from them stating that no permit is required for this project.
b) 401 Water Quality Certification and Army Corps of Engineers' 404 Permit for all
stream crossings, or a letter from the Army Corps of Engineers and from the
Wetlands 401 Certification Unit stating that none is required for this project.
c) A reasonable subsurface investigation must be made available to the contractor. If it is
not included in the specifications, the specifications must advise where a copy of the
report can be observed. Typically, Construction Grants and Loans expects a boring

0
about every 500 feet and at each road crossing for line work, and at all major structures
like pump stations, aeration basins, and clarifiers.
d) NCDOT Encroachment Agreements and Railroad Encroachment Agreements.
Copies of these agreements must be provided in the specifications, or it must be
documented how all construction requirements, associated with the agreements, have
been incorporated in the plans.
e) All construction easements, permanent easements, and rights -of -way. These
easements and rights -of -way must be shown on the plans.
II. CURRENT SITUATION:
1. Please identify the town's population and demographics. Identify the current service
population, (or the population at the time the proposed facility will start operation), for
the subject project area.
2. Page 6: Please conduct infiltration/Inflow (I/I) analysis using N.C. CG&L's screening
criteria noted below. Two flow values are of interest: A high peak instantaneous flow
can result in a washout of any clarifiers, and a high total flow can affect compliance with
NPDES flow limits:
a) Infiltration is the average daily flow of the three wettest consecutive months minus
the expected flow. Expected flow is based on water billing records minus a
consumptive loss of 10 to 15 percent. Infiltration greater than 3000 gallons per day
per inch -mile (GPDM of pipe is considered excessive.
b) Inflow is typically estimated from flow records following a one -inch rain event. The
rain event used for the analysis should be preceded by at least five dry weather days.
Inflow is considered excessive if non -industrial instantaneous peak flows at the
wastewater treatment plant, following a one -inch rain, exceed 275 GPD per capita
served. This figure represents the total flow; do not subtract the baseline or dry
weather flow.
c) If excessive I/I is small, provide a schedule for M identification and removal, and
their cost. Removal of excessive III should occur prior to placing new facilities on
line.
Notes:
Daily precipitation data can be obtained from the State Climate Office at their website at
http://www.ne-cliniate.ncsu.edu/, through e-mail [e-mail], or by calling 919-515-3056.
3. Provide a description of current flows as follows:
a) Residential flow should be based on water billing records minus a 10% consumptive
loss.
b) Commercial flow should be based on water billing records minus a 101/o
consumptive loss.

a
c) Industrial flow should be based on dual metering to determine consumptive losses.
Flow commitments should be taken into consideration as current flows.
d) Non -Excessive M as defined above.
III. FUTURE SITUATION
1. Provide 20-year population projections. The Office of State Planning provides
population data for each county and municipality that can be accessed on the Internet
at: http://www.ospi.state.nc.us/demog. Other data may be used, if available.
2. Provide flow projections using the following criteria:
a) Provide current flows including non -excessive III and any planned industrial flows,
with a Letter of Intent as justification.
b) Provide 20-year flows and residential growth based on population projections.
Typically, this flow value is based on 70 GPD per capita of projected growth in
residential population.
c) Provide 20-year commercial growth based on population projections. Typically,
this flow value is based on 15 GPD per capita of projected growth in residential
population.
d) 10% Industrial Reserve (based on 10% of current flows excluding M).
IV. ALTERNATIVES
1. The applicant must evaluate the following alternatives using the present worth analysis
for report to qualify as a 201 Plan:
a) No action
b) Optimum operation of existing facilities
c) Land application
d) Regional System
e) Water Reuse System (proposed)
2. Feasible alternatives should also be evaluated if the report is submitted as a PER.
3. Confirm that sludge management will comply with the 40 CFR 503 regulations.
Provide sludge production calculations and advise what methods will be used to
comply with pathogen and vector attraction reduction.
4. Confirm that the proposed facilities comply with the NCAC 2H.0219 minimum design
criteria.
V. PRESENT WORTH ANALYSIS
1. Provide a current itemized cost estimate for both reuse and nutrient removal
components.
Page 6: Please use the current EPA discount rate of 5.875% for present worth
analyses. Each feasible alternative must be included in the present worth analysis.

0
►%!
3. Pages 6 & 7: The present worth analysis should include the following items:
a) Capital costs including the costs associated with patent fees.
b) Contingency.
c) Costs for engineering.
d) Start-up services.
e) Operation & Maintenance manual.
f) Land and easements, etc. Itemize these costs and include them in the present
worth analysis. Currently, the cost of land is generally not eligible under the SRF
program. Exceptions are made for land application of wastewater, land
application of sludge, and storage of wastewater.
g) Annual operation and maintenance costs and present worth of those costs.
h) Present worth of replacement costs.
i ) Present worth of salvage value.
USER CHARGE
Please provide a summary and a breakdown of all proposed sources of funding for the
project that indicates how all of the project costs will be funded. Provide narrative
that addresses the impacts that repayment of the project SRG loan will have on user
charges.
a) Provide both current and expected user charges for the typical residential
customer using 5,000 gallons per month.
b) The user charges must be sufficient to repay any grant that is required for the
project's capital, and operation and maintenance costs. Expected revenue from
user charge should be based on the first year's billable flow.
c) Anticipated disbursements should include the first year's principal and interest
payments, and the first year's operation and maintenance cost. Itemize these costs
and provide a basis for the expected user charges.

rCC
—z—
Apol 16, 2003 1
FAX
TO: Ken Schuster, Regional Supervisor
DWQ Raleigh Regional Office
Fax:[phone]
FROM: Zi-Qiang Chen, Project Manager
Facilities Evaluation Unit
SUBJECT: Additional comments on Benson's PER
Proj ect No. E-SRG-T-02-0137
Faxed please find some information of the recent development of the town of Benson's PER. I
noticed that your office (Charles Brown) did comment on this project previously (1-4-2000). I
would like to know if you want to add new comments on the late version of the PER due to the fact
that the PER has evolved to accommodating three components of rehab, reuse, and TN removal.
Please call or email me. I may call you some time next week. Thanks for your attention.
My best regard and
Happy Easter!
109-d 100 d DEC-1 OZZ99lie 10 surol Puy s:usig uoi:.njlsua0-1N08d AV91:80 E00Z-l1-8dy

WASTEWATER REUSE SYSTEM FEB Hba
I. OVERVIEW
The Town of Benson is located on the ridge line separating the Neuse River and Cape Feg, ^ ue�•"%)�1
Basins. There are no streams near the Town that have large year round flows with attendant large
waste assirnilative capacities, and the relatively flat topography limits the reaeration capacity of such
streams as do exist, further limiting waste assimilative capacity. Protecting water quality from the
potential deleterious effects of treated wastewater is therefore difficult at best. The Neuse River
Basin has been declared nutrient sensitive, adding additional treatment requirements and concerns
for any new or expanding discharge into the Neuse. Henson is growing though, and there is no
move at either the local or State level to adopt a no growth policy in the Johnston County area.
Therefore, an increase in wastewater flow from the Town is inevitable and the Town must seek ways
to accommodate this increased wastewater while minimizing treated wastewater discharges. One
potential way to do that is reuse of treated wastewater. The Town has learned that South Johnston
County High School is a candidate for reuse. This school is relatively close to the Town treatment
plant, has extensive irrigation systems for three athletic fields, and has that system isolated from its
potable water system. The Town therefore proposes to supply the school with reuse water.
II. SYSTEM DESCRIPTION
South Johnston County High School officials indicate that some irrigation occurs throughout the
year, and estimate that during the late summer months irrigation demands can reach as high as
70,000 gallons per day. The irrigation system is now supplied by two (2) deep wells. It is proposed
that these wells be kept for standby purposes, and that the Town of Benson be used as the primary
source for irrigation water. The Town will provide continuous turbidity monitoring and increased
disinfection to assure that its wastewater meets reuse standards. Wastewater in excess of that
needed for irrigation will continue to be discharged to a receiving stream. Anytime the continuous
monitoring indicates that that the wastewater does not meet reuse standards, and anytime the plant
operates suspect that for any reason treatment quality may be less than reuses standards dictate,
flow to the irrigation system will be stopped, and the Town will continue to discharge to the
receiving stream until any treatment problems are corrected.
The Town will construct an irrigation water pump station at its wastewater treatment plant. Vertical
turbine pumps installed in a structure to be located adjacent to the existing filter clearwell/ chlorine
contact chamber/ post aeration chamber. The new pump station structure will be designed so that it
will be consistent with and can be incorporated into future expansions of the plant effluent filter,
disinfection, and post aeration systems. Approximately 9,207 lined feet of 6-inch and 4-inch pipe
will be used to convey the wastewater to the School. This line will all run along existing road rights -
of -way and through the school campus. The pressure requirements of the schools irrigation system
will require that C900 PVC or ductile iron pipe be used for the conveyance. The line will discharge
into a 6000 gallon pneumatic tank owned by the County school system that will be relocated to
it
109-1 HUM a OEE-1 OZZ9914118 suenj Puy slueig uailnne,sun-modj MV91:80 EOOZ-11-110

V so
Johnston County High School and made a part of the revs: system. The pneumatic lank will keep
the irrigation system pressurized, and will equalize demands on the Town treatment plant. The reuse
water pumps at the Town wastewater treatment plant will be controlled through a telemetry system
by pressure switches in the pneumatic tank. Other instrumentation to be included in the project will
include a continuously recording turbidity meter or similar device that will immediately detect any
deterioration in reuse water quality. Controls will be wind to stop flow the plant reuse pumps
whenever any potential problem is detected by the turbidity or chlorine residual meter readings.
III PROJECTED COST
The projected cost of the system is as follows:
TOTAL
UNIT COST
EXTENDED^
ITEM
_ DESCRIPT_I.ON _
J
UNITS
QUANTITY
COST
1
CONCRETE
CY
115
1550. 00
$63.250.00
2
STONE
TN
65
$22.00
$1,430.00
3
EXCAVATION
CY
1100
$8.00
$8,800.00
4
FILL
CY
700
$10.00
$7,000.00
5
SHORING & DEWATERIN(
LS
1
$10,000.00
$10,000.00
6
36" CORE DRILL
LS
1
$1,000.00
$1,000.00
7
VERTICAL TURBINE PUM
LS
1
$50,000.00
%50,000.00
8
6" 90 DEG. BEND
EA
4
$300.00
$1,200.00
9
6" TEE
EA
2
$300.00
$600.00
10
6" CHECK VALVE
EA
t
$1200.00
$1,200.00
11
6" GATE VALVE
EA
4
$1500.00
$6,000.00
12
AIR RELIEF VALVE
EA
1
$250.00
$250.00
13
MISC. METAL
LS
1
$2,500.00
$2.500.00
14
GUARDRAIL
LF
65
$30.00
$1.950.00
15
PRESSURE RELIEF VALVI
EA
9
$250.00
$2,250.00
16
Y DIA. MANHOLE
EA
1
$1,250.00
$1,250.00
17
36" SLUICE GATE
EA
1
$7,500.00
$7,500.00
18
MANHOLE STEPS
EA
9
$25.00
S225.00
19
20" WALL PIPE
LB
428
$3.50
$1,498.00
20
36" WALL PIPE
LB
1200
$3.50
$4,200.00
21
36" DUCTILE IRON PIPE
LF
10
$100.00
$1,000.00
22
1-112" PVC
LF
61
$5.00
$305.00
23
4" PVC
LF
1400
$9.00
$12,600.00
24
6" CAST IRON DRAIN LIN)
LF
80
$14.00
$1,120.00
25
6"C900PVC
LF
7312
118.00
$131,616.00
26
6" DUCTILE IRON PIPE
LF
75
$20.00
$1,500.00
27 .
8" SDR 7.3 BY DIRECTION
LF
340
$75.00
$25,500.00
28
16" BORE & JACK
LF
80
$175.00
$14,000.00
29
AIR RELEASE MANHOLE
EA
2
$2,450.00
$4.900.00
30
HYDROPNFUMATIC TANI
LS
1
$15,000.00
$15,000.00
31
MISCELLANEOUS CONCR
CY
l0
$250.00
$2,500.00
32
CMU BUILIDING
LS
1
518,000.00
$18,000.00
109-d 900/EOG d OEE-1 EZZOS',All sueol Puy 9:.a. „s mO_Yi08d ffli:00 EOOZ-11-60

10 M
33
HVAC
LS
1
$2,500.00
$2,500.00
34
TIE TO EX. IRRIGATION S
EA
2
$500.00
$1,000.00
35
TELEMETRY SYSTEM
LS
1
$25,000.00
$25,000.00
36
INSTRUMENTATION
LS
1
$7.500.00
$7,500.00
37
ASPHALT PATCHING
SY
25
$35.00
$875.00
38
ABC STONE FOR GRAVEL
TN
20
$20.00
$400.00
39
ROCK CHECK DAM
EA
14
$80.00
$1,120.00
40
SILT FENCE
LF
936
$3.00
$2,808.00
41
INLET PROTECTION
EA
I
$100.00
$100.00
42
ELECTRICAL
LS
1
$20.000.00
$20,000.00
43
MOBILIZATION
LS
1
$20,000.00
$20,000.00
TOTAL ESTIMATED CONSTRUCTION COST
$481,447.00
ENG.ICONST. ADMIN./CONTINGENCY/SOILS
EVALUATION
$152,532.00
TOTAL PROJECT COST
$633,979.00
13
109-d 900/V00 a UE-1 OZZ99lie 18 sue03 puY sluel u0lI3nil3u23-HU:I OV91 80 EOOZ-1110

040
THE
WOOTEN
COMPANY
Z N G IN E E R; NG
i February 14. 2003
A rw
Mr. K. Lawrence Horton, III, P.E.
Supervisor --
Facilities Evaluation Unit
16333 Mail Service Center
Raleigh, North Carolina 27699-1633
Re: Preliminary Engineering Report
Project No. E-SRG-T-02-0137
Benson, North Carolina
TWC No. 2293
RL ANNING I. Dear Larry:
Enclosed please find four (4) copies of the revised section of the above referenced
A p e li T E G T u R t report dealing with the Benson Reuse system. The differences between this section
and the initial version are explained as follows:
• The maximum daily reuse rate has been reduced to 70,000 gallons per day.
The earlier report used a maximum daily number of 600,000 gallon per day
and was based on information supplied by the school system. Subsequent
investigations showed that the irrigation nozzle output, and maximum irrigation
capacity of the systems installed at South Johnston County High School will
only output 70,000 gallons under a normal, warm water season, full days
irrigation.
• Line size and pneumatic tarik size have been reduced to reflect the lower
pumping capacity needed to sustain the reuse system. (An existing tank owned
by Johnston County will be used, rather than purchasing a new pneumatic
tank. It will be necessary to refurbish this tank and move it to the South
Johnston County High School).
• Line size lengths have changed to those found to be necessary after final
design. The initial estimates included a more generous allowance for on
campus piping than was found to be required once the detailed design was
completed.
If you should require any additional information, please let me know,
Sincerely,
THE WOODEN COMPANY
Ford Cham`Cllissr`�-.
cc: Town of Benson
FC:fc
I iQ Ncrh Goylaa aura,'
Rnlbr 11 ric 2;rrjrj;.:i7i
'J19.B:¢ nS3;
gar 913, 93G ?5;
109-d 300/900 d OEE-1 8ZZ99 U818 MCI Puy stuerO ualronileu00-008d 090H EOOZ-li-Bdy

w
so
Amendment 3
To The
Benson 201 Facilities Plan
And
Sanitary Sewer Evaluation
for
Town of Benson
c15;t �; 5
00w,mcna'1 GRMT8 A
LnsB{ OEC10N
OCTOBER 1998
REVISED NOVEMBER 1999
REVISED AUGUST 2000
THE WOOTEN COMPANY
Engineering • Architecture • Planning
120 North Boylan Avenue
Raleigh, North Carolina 27603
Survey
t -Ir• 00A
09-d 900/900 c NE-1 OZZ99lie 18 sueol Puy slueA0 M 1:80 EOOi-1 AdY

MAYOR
DON H. JOHNSON
COMMISSIONER
FREDRICK D. NELSON, JR.
J.W. PARRISH, JR.
JACK R. LITTLETON
KENNITH M. DUPREE
LINDELL NORDAN
RAY G. SMITH
0
OF BF�J 40
AO f } OZ
�P
Zo4rN cAVL
�o``
TOWN OF BENSON
P.O. BOX 69
303 EAST CHURCH STREET
NORTH CAROLM
April 9, 2003 c '"-„" .
Ira
Mr. Ken Schuster, Regional Supervisor U
1628 Mail Service Center ``10`\r` pFF10E
Raleigh, NC 27699-1628 (h R=
DE1vR RAZE
Mr. Schuster: 1
TOWN MANAGER
KEITH R. LANGDON
TOWN CLERK
CONNIE M. SORRELL
FINANCE OFFICER
DONNA M.HONEYCUTT
TAX COLLECTOR
ROSALIE G. WEST
TOWN ATTORNEY
DONALD A. PARKER
The Town of Benson has forwarded a check for $1,048.91 as payment for the Civil Penalty and
Enforcement cost (Case No. LV03-180) against the Town of Benson to Point Source
Compliance/Enforcement Unit. The town regrets this violation of the limitations and/or monitoring
requirements of our NPDES Permit NC 0020389.
The Town of Benson would also like to take this opportunity to respectfully submit to you for our
file some information on the action the town took to abate this violation. On October 16, 2002 our
Wastewater Treatment Plant experienced a upset, the D.O. and PH were good so Martin Moms,
ORC and Steve Proctor, the Lab Supervisor checked the biomass in the oxidation ditches, the finding
was a few free swimming ciliates. The Operators started adding feed and for the next two days the
plant was improving. On Monday, October 21, 2002, the plant was upset for a second time, this time
no biomass was found. For the next two weeks the Wastewater Plant staff continued to feed the plant
and try to identify the source of the upset at a cost of $445.34 for feed and lab analyses on our SIU.
(See attachment)
As you can see we made every effort to rectify this problem, but we were unable to maintain
ammonia below acceptable level. Our new Wastewater Treatment Superintendent has taken a lot of
pride in his new position and is trying to make sure we stay within our NPDES permit limit.
The Town of Benson has made and will continue every effort to comply with the environmental
requirements of the State of North Carolina and would welcome any suggestions you or your staff
could offer to assist our plant operator in the operation of our plant.
If yoµ should have any questions or need additional information please advise.
(7)
CAMy Dm menLAOld dws\wwlykwaler gaily-P inl source CompIimu-2W3.dm

i
k' ^( ) S( �tN TESTING AND REST SLABS
3809 AIRP T DRIVE Invoice Number
WILSON, NC 27896 103331
CustomerlD
�\ 05503
Voice: 252 237-Invoice Date
Fax: �252� 237-93419341 11/14/02
Sold To: Shipped To: Page 1
TOWN OF BENSON
PO BOX 69
BENSON, NC 27504-0069
Customer PO Payment Terms Due Date
822-03 Net 30 Days ; 12/14/02
Description (See Attachment for Invoice Details) Amouut
M2604 SAMPLE PICKUP
A fmance charge of 1.5 % per month (Min. of S0.50) will be charged on any amount over 30
days. If the charge exceeds S 0.50. the annual percentage rate will be 18 %.
FEDERAL TAX ID: 25-1199642
We are an EEO / Affirmative Action Employer.
Qao- m3oa
TOTAL
Master Card or Visa Accepted
(Total at LIST Price: $ 305.00)
AMOUNT DUE $
10.00
269.60
269.60
269.60
Page 1 of 1 M2604I.394 (TRC:INV-int) 11/15/102 13:51

Page 1 of 2
Worrjs
From: "Keyes McGee" <[e-mail]>
To: "Martin Moms" <[e-mail]>
Sent: Tuesday, December 03, 2002 4:55 PM
'Subject: Southern Testing
Marty,
I spoke with Rick Schibetta of Southern Testing in Wilson. He explained
that the PGI analysis, sampled 10/31/02 was a "Semi -volatile Library
Search." There were no standards for calibrating the reported
compounds, so they are estimates.
Schibetta said that the method had to be called "modified" because it
was just a scan, not a compliance analysis. This analysis did however
have to conform to the QA/QC from the Method 625. The Annual Pollutant
Analysis Monitoring is a combination of the Method 625 and the
Semi -volatile Library Search. He also said that the compounds reported
are those typical of water experiencing biological activity, such as
pond water.
In the future he recommended doing the TTO, even though it is expensive.
Keyes McGee, E.I.
Environmental Engineer 1
Pretreatment Unit
Division of Water Quality
Department of Environment and Natural Resources
Telephone: [phone], Extension: 580
Facsimile: [phone]
NC-DENR, DWQ, PRETREATMENT
3/31/03

R E P O R T of
Soultern Testing & Re. IR Laboratories
3809 Airport Drive NW, Wilson, NC 27896-8649 • 252-237.4175 • FAX: [phone]
www.SouthernTesting.com
A N A L Y S I S
SAMPLE No.: M2604-002
Date Reported: 11/13/02
Marty Morris
Town of Benson
770 Hannah Creek Rd. Phone:[phone] X
Four Oaks NC 27524 Fax: [phone]
P. O.: 822-03
Client EN ple ID:
Marks: Grab
Collected: 10/31/02 09:00 I Matrix: WASTEWATER
Received: 10/31/02 15:15 Classification: ENV
CAT No. ANALYSES PQL RESULT UNITS
EO-040.6 Semivolatile GC -MS
COMMENTS:
SEE FORM 0_4
Laboratory Contact(s): Reviewed and Approved by:
Jer my rown
En ironmental Manager
Page 2 of 2 M2604R.807 (EDH:V2R08.2) 11/13/102 14:42
Chemical and Nlicrobiological Analyses: Environmental • Agrochemical • Foods • Pharmaceuticals
Another Company

. P,V`t'4 S F9 ' S#Mrn Testing & Re h Laboratories
v y� 3809 Airport Drive NW, Wilson, NC 27896-8649 • 252-237-4175 • FAX: [phone]
www.SouthernTesting.com
�'�AIR pP
SAMPLE No.: M2604-001
R E P O R T of A N A L Y S I S Date Reported: 11/13/02
Marty Morris
Town of Benson
770 Hannah Creek Rd. Phone:[phone] X
Four Oaks NC 27524 Fax: [phone]
P. 0.: 822-03
Client Sample ID:
Marks: Grab
Collected: 10/31/02 09:00 Matrix: WASTEWATER
Received: 10/31/02 15:15 Classification: ENV
CAT No. ANALYSES METHOD ANALYZED by PQL RESULT UNITS
EW-048 Surfactants EPA 425.1 11/01/02 AMF 0.025 0.215 mg/L
COMMENTS:
Laboratory Contact(s): Reviewed and Approved by:
Je y
E iro en tal Manager
Page 1 of 2 M2604R.807 (EDH:V2R08.2) 11/13/102 14:42
Chemical and Microbiological Analyses: Environmental • Agrochemical • Foods • Pharmaceuticals
Another Company

•JP��ZY SFA'
m Srn Testing & RAW Laboratories
a 3809 Airport Drive NW, Wilson, NC 27896-8649 252-237 4175 FAX: [phone]
FAIR QN
www.SouthernTesting.com
o 2 e
FORM 0 4
GC/MS TENTATIVELY IDE
METHOD:
Catalog No.:
Sample Specific for STRL Sample No.:
Fraction:
Page 1
Client Sample ID: Grab
NTIFIED COMPOUNDS (TICS)
EPA 625 Modified
EO-040.6
M2604-001
Semivolatile
of 2
Sample Matrix : Wastewater
Date Sampled : 10/31/02
Date Analyzed
: 11/12/02
Date Received : 10/31/02
Date Reported
: 11/13/02
Date Extracted : Not Applicable
MATCH($)
BISI
NAME UNITS: mg/L
----------------------------------
I CONC.
MOLD WT.I
IILDI
MA RT
Toluene
4.48
92
90
. X .
-------
X .
1-Hexanol, 2-Ethyl-
5.57
130
90
: X :
X :
D-Limonene
35.2
136
95
. X .
X .
Heptylcyclohexane
6.99
182
50
: X :
X :
Tridecane, 2-Methyl-
3.71
: 198
93
: X :
X :
Tetradecane, 4-Methyl-
7.10
: 212
83
: X :
X :
10-Methylnonadecane
4.23
: 282
86
: X :
X :
Phenol, 2,4-bis (1,1-Dimethylethyl)-
5.25
: 206
96
: X :
X :
Phenol, 4-(1,1,3,5-Tetramethylbutyl)-
9.04
: 206
90
: X :
X :
p-tert-Amyl Phenoxy Ethanol
14.6
: 208
78
: X :
X :
Triclosan
49.4
. 288
99
. X .
X .
9-Octadecenamide,(z)-
3.90
: 281
91
: X :
X :
Ethanol, 2-Butoxy-, Phosphate (3:1)
5.72
: 398
59
: X :
X :
Hexa (Methoxymethyl) Melamine
38.6
: 390
83
: X :
X :
Eicosane
6.82
. 282
90
. X .
X .
Erucylamide
19.1
. 337
87
. X .
X .
4,9,13,17-Tetramethyl-4,8,12,16-
Octadecatetraenal
4.68
316
72
X
X
Results reported are based on NBS Library Search of 49469 Spectra. Basis for
identification: library match (L), manual interpretation (M), and retention
time (RT); individually or in combination.
COMMENTS:
Laboratory Contact For Above Report Re vi wed and Approved
Name : Rick Schibetta rem}Brown
Title: Chemist Environmental Manager
Chemical and Microbiological Analyses: Environmental • Agrochemical • Foods • Pharmaceuticals
.another Company

' P01V SFA-
Southern Testing & Research Laboratories
3809 Airport Drive NW, Wilson, NC 27896-8649 • 252-2374175 • FAX: [phone]
7 P% www.SouthernTesting.com
FAIR?
GC/MS TENTATIVELY IDENTIFIED COMPOUNDS (TICS)
METHOD: EPA 625 Modified
Catalog No.: EO-040.6
Sample Specific for STRL Sample No.: M2604-001
Fraction: Semivolatile
Page 2 of 2
Client Sample ID: Grab Sample Matrix : Wastewater
Date Sampled : 10/31/02 Date Analyzed : 11/12/02
Date Received : 10/31/02 Date Reported : 11/13/02
Date Extracted : Not Applicable
ESTIMATEMATCHBIS
NAME UNITS: mg/L I CONC. I MOLD WT.I M IILDI MA RT
-----------------------------------------------------------------------------
. Heneicosane
11.2 .
296
91
. X
. X .
. Octadecane
8.68 .
254
94
. X
. X .
: Heneicosane, it-(1-Ethyl Propyl)-
4.85 :
366
90
: X
: X :
. Cholestanol
18.7 .
388
95
. X
. X .
. Cholesterol
13.2 .
386
87
. X
. X .
. Total Unknown Hydrocarbons
506 .
---
Results reported are based on NBS Library Search of 49469 Spectra. Basis for
identification: library match (L), manual interpretation (M), and retention
time (RT); individually or in combination.
COMMENTS:
Laboratory Contact For Above Report Reinvironmental
ed and Approved
Name : Rick Schibetta Brown
Title: Chemist Manager
Chemical and Nlicrobiological Analyses: Environmental • Agrochemical • Foods • Pharmaceuticals
Another Company

r
Purchases of Less $100.00Item Cost
Date
Oty
L.Code
Vendor
Item
I -cost
S-Tax
T-Cost
10/4/02
2
822-31
NAPA
brake pin&torx socket tr. #90
$ 17.94
$ 1.17
$ 19.11
1017 / 02
5
822-38
_
medlin&dorman
611. copper tubing & misc. parts
$ 21.49
$ 1.40
$ 22.89
1017 / 02
1
822-38
"""""""""""""
SOR. co tubing
$ 22.50
$ 1.46
$ 23.96
10 r 8 / 02
5
822-16
"""""""""""""""
misc. copper pans
$ 6.55
$ 0.43
$ 6.98
1019 / 02
1
822-33
fed x
lab shi meat
$ 46.37
$ 0.00
$ 46.37
101 10 / 02
2
822-31
BLEECKER
BRAKE CLAMP
$ 5.31
$ 0.35
$ 5.66
101 15 / 02
1
$22-171
landfill
grit cart
$ 26.07
1 $ 0.00
$ 26.07
101 16 / 02
10
822-38
1 mule city feeds
hog feed
$ 55.00
$ 3.58
$ 58.58
10 i 16 / 02
2
822-16
na a
contact clener
$ 4.69
$ 0.30
$ 4.99
101 17 / 02
4
$22-16
"""""""""""
rotor belts
$ 56.28
$ 3.66
$ 59.94
10 Y 18 / 02
10
822-38
mule city feeds
hog feed
$ 55.00
$ 3.58
$ 59.58
10123 / 02
1
822-31
tart brothers
tire truck#91
$ 79.98
$ 0.00
$ 79.98
10124 / 02
10
822-38
MULE CITY FEED
hog feed
$ 55.00
$ 3.59
$ 58.58
10129 / 02
1
822-16
Medlin & dorman
wire rope
$ 2.76
$ 0.18
$ 2.94
1 /
TOTAL--
5454.94
$19.69
$474.63
Y /
S
1 $
S
Y /
$
$
$
Y /
$
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s
Y /
$
s
$
r /
$
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$
$
$
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$
$
$
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$
$
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$
$
$
$
$
$
1 /
$
$
$
r /
$
$
$
/
$
$
s
r /
$
S
$
r /
$
s
s
r /
$
$
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$
$
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/
$
$
$
1 /
$
$
$
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$
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Y /
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$
$
s

\O�OF W A rF9QG , Michael F. Easley, Governor
William G. Ross Jr., Secretary
North C i ent of Environment and Natural Resources
co r - Alan W. Klimek, P.E. Director
> —I Nil Division of Water Quality
February 4, 2003
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
The Honorable Donald H.Johnson, Mayor
Town of Benson
Post Office Box 69
Benson, North Carolina 27504-0069
SUBJECT: Town of Benson
Preliminary Engineering Report
Project No. E-SRG-T-02-0137
Dear Mayor Johnson:
This letter is being sent to the town of Benson concerning the schedule for submittal of
responses to previous review comments that were sent to the town by the Construction Grants
and Loans Section (CG&L) concerning the subject town of Benson's Preliminary Engineering
Report (PER). Construction Grants and Loans has not received a response to our
March 22, 2002 comments. Your Consulting Engineer, The Wooten Company, has provided
CG&L with an estimated schedule of mid -February 2003 for submittal of technical responses.
Please advise us concerning any changes to this schedule as soon as possible.
The town of Benson's PER must be approved in order for the town to receive grant
funding under the Clean Water and Natural Gas Critical Needs Bonds Act of 1998. All technical
and environmental comments must be resolved before the PER and the project plans and
specifications can be approved. Providing responses to comments, along with revised copies of
the PER in a timely manner, will help avoid project approval delays.
Construction Grants and Loans Section 1633 Mail Service Center Raleigh, NC 27699-1633 [phone]
Web Site: wnv+.nccgl.net FAX [phone]
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Customer Service
1 800 623-7748

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If you have any questions or need additional information, please contact me at
[phone].
Sincerely,
K.._Lawren Horton, III, P.E., Supervisor
Facilities Evaluation Unit
ZQC/dr
Cc: Allen Wahab, P.E., The Wooten Company
DWQ Raleigh Regional Office
Daniel Blaisdell, P.E.
Zi-Qiang Chen, Ph.D.
DMU/PMB/FEU/SRG