NC0044164_Renewal Application_20140930

A��AQ=
NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
Radford L. Thomas, Public Utilities Dir.
City of Lenoir
PO Box 958
Lenoir, NC 28645
Dear Mr. Thomas:
John E. Skvarla, III
Secretary
October 01, 2014
Subject: Acknowledgement of Permit Renewal
Permit NCO044164
Caldwell County
The NPDES Unit received your permit renewal application on September 30, 2014. A member of the
NPDES Unit will review your application. They will contact you if additional information is required to
complete your permit renewal. You should expect to receive a draft permit approximately 30 -45 days
before your existing permit expires.
If you have any additional questions concerning renewal of the subject permit, please contact Bob
Sledge (919) 807 -6398.
Sincerely,
W re v Tkzd,fo oU
Wren Thedford
Wastewater Branch
cc: Central Files
Asheville Regional Office
NPDES Unit
1617 Mail Service Center, Raleigh, North Carolina 27699 -1617
Location: 512 N. Salisbury St. Ralegh, North Carolina 27604
Phone: [phone] Fax: [phone]/Customer Service: 1- 877 -623 -6748
Intemet:: www.ncwater.ora
An Equal OpportunitykAffirmafive Action Employer

City of Lenoir, North Carolina
P.O. Box 958
Lenoir, NC 28645
September 19, 2014
Wren Thedford
NC DENR / DWR / NPDES Unit
1617 Mail Service Center
Raleigh, NC 27699 -1617
Dear Ms. Thedford,
RECEIVED /DENR/DWR
SEP 30 2014
Water Quality
Permitting Section
Consider this letter a formal request for renewal of NPDES Permit
NCO044164 for the City of Lenoir's Lake Rhodhiss Water Treatment Facility,
located at 5474 Waterworks Rd. Granite Falls, NC 28630. This permit is
due to expire on March 31, 2015. There have been no changes made to the
alum sludge or backwash water handling processes here at the plant since
the last permit renewal cycle.
If you have questions or comments please feel free to contact me at
828 - 396 -1006.
Kind regards,
Kevin Matheson
Superintendent -Water Treatment for the City of Lenoir
P.O. Box 958
Lenoir, NC 28645
Cc: Mr. Radford L. Thomas

NPDES PERMIT APPLICATION - SHORT FORM C - GW
For discharges associated with groundwater treatment facilities.
Mail the complete application to:
N. C. Department of Environment and Natural Resources
Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699 -1617
NPDES Permit Number I NC00
If you are completing this form in computer use the TAB key or the up - down arrows to move from one
field to the next. To check the boxes, click your mouse on top of the box. Otherwise, please print or type.
1. Contact Information:
Owner Name
Facility Name
�oATord L. I koVnAS
0_ V a� �erwir I-ake- i,6& -s5 k)a`�r__ry-,,4rnml
Fae-i (�y
Mailing Address > 0 6 a
City eno'
State / Zip code C cn6 L�5' RECEIVED /DENR/DWR
Telephone Number (gig) SEP 30 2014
Fax Number (�) 3 I�p — I
Water Quality
e -mail Address r I +hoYYas (ot Q, L' 1eY101 r. in e- . Lt Permitting Section
2. Location of facility producing discharge:
Check here if same as above ❑
Street Address or State Road 547* Wa&rwrks
city 6r rcrt%fe Fa(15
State / Zip Code N C )_U39
County CALb I'V C__-
Li-
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORC) /�l��.j�
Name 1�evij1 MX[6.50Y1 -Wa�?r fluv% -t
Mailing Address P 0 &4' q6,91
city Lp-hoi r
State / Zip Code
Telephone Number
Fax Number
4. Ownership Status:
Federal ❑
Page 1 of 3
ag64_5
(a) S96 -loo(o
(4X) 3q b - i 0 41�
State ❑ ' Private ❑
Public M/
C -GW 03/05

NPDES PERMIT APPLICATION - SHORT FORM C - GW
For discharges associated with groundwater treatment facilities.
5. Products recovered:
Gasoline ❑ Diesel fuel ❑ Solvents ❑ Other None-
6. Number of separate discharge points: 1
Outfall Identification number(s) 00 1
7. Frequency of discharge: Continuous ❑ Intermittent
If intermittent:
Days per week discharge occurs
6
8. Treatment System Design flow !.'J MGD
Duration: 10. 5 hours
9. Name of receiving stream(s) (Pr rude a map shatw he exact location of each outfall, including
latitude and IongitudeJ P I'Waki' SS s ba- R i'der
10. Please list all additives to the treatment system, including chemicals or nutrients, that have
the potential to be discharged.
:�C, „ Jbdi l�Yr1 CJ i Su��t►�e_ , ©�u55luvn
50CUkm �vo C l�orife_ ,j 6rPnht- c AP2663 Poly,4,
11. Is this facility located on Indian country? (check one)
Yes ❑ No [�
12. Additional Information
All applicants (including renewal#
A USGS topographical map (or copy of the relevant portion) which shows all outfalls
A summary of the most recent analytical results (effluent data, if available) containing the
maximum values for each chemical detected
NEW Applicants only:
• Engineering Alternative Analysis
• Description of remediation treatment system components, capacities, and removal efficiency
for detected compounds.
• If the treatment system will discharge to a storm sewer, written approval from the
municipality responsible for the sewer.
• A list of any chemicals found in detectable amounts at the site, with the maximum observed
concentration reported for each chemical (the most recent sample must be collected less
than one year prior to the date of this application)
For petroleum- contaminated sites - Analyses for Volatile Organic Compounds (VOC) should
be performed. Analyses for any fuel additives likely to be present at the site and for phenol
and lead should also be performed.
For sites contaminated with solvents or other contaminants - EPA Method 624/625
analysis should be performed.
Page 2 of 3 C -GW 03105

NPDES PERMIT APPLICATION - SHORT FORM C - GW
For discharges associated with groundwater treatment facilities.
13. Applicant Certification
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
;I -I DIrw�or - -G i L.enAir
Printed name of Person Signing Title
of Applicant
North Carolina General Statute 143 -215.6 (b)(2) provides that: Any person who knowingly makes any false
statement representation, or certification in any application, record, report, plan, or other document files or
required to be maintained under Article 21 or regulations of the Environmental Management Commission
implementing that Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or
monitoring device or method required to be operated or maintained under Article 21 or regulations of the
Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable
by a fine not to exceed $25,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section
1001 provides a punishment by a fine of not more than $25,000 or imprisonment not more than 5 years, or both,
for a similar offense.)
Page 3 of 3 C -GW 03105

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City of Lenoir
Lake Rhodhiss WTP
Latitude: 35° 47'00" N State Grid: Morganton North
Longitude: 81, 28' 57" W Permitted Flow: Unlimited
Receiving Stream: Lake Rhodhiss (Catawba River) Sub - Basin: 03 -08 -32
Stream Class: WS -IV & B CA Drainage Basin: Catawba River Basin
Facility X
` Location
not to scale
Noah NPDES Permit No. NC0044164
Caldwell County

A.-(1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning on the effective date of this permit and lasting until expiration,
the Permittee is authorized to discharge from outfall 001. Such discharges shall be limited
and monitored by the Permittee as specified below:
EFFLUENT
LIMITS
MONITORING REQUIREMENTS
CHARACTERISTICS
Monthly Daily
Average Maximum
Measurement Sample Type Sample
Frequency Location
50050 - Flow OMB
Continuous
Recording
Effluent
00530 — Total Suspended
Solids V
30 mg /L
45 mg /L
2 /Month
Grab
Effluent
00400 - pH
6.0 — 9.0 s.u.
2 /Month
Grab
Effluent
00076 — Turbidity' ,/
2 /Month
Grab
Effluent
50060 - Total Residual Chlorine?
28 pg /L
2 /Month
Grab
Effluent
01105 - Aluminum ✓
Quarterly3
Grab
Effluent
01045 -Total Iron ✓
Quarterly3
Grab
Effluent
01042 - Total Copper ✓
Quarterly3
Grab
Effluent
]EQ!uarterly
3Grab
Effluent
01055- Manganese ✓
arterly3
Grab
Effluent
01092 - Total Zinc ✓
00951 - Fluoride ✓
Quarterly3
Grab
Effluent
00665 - Total Phosphorus (TP)
Quarterly
Grab
Effluent
Quarterly
Grab
Effluent
00600 - Total Nitrogen (TN)
TGP313 - Whole Effluent Toxicity
Quarterly
Grab
Effluent
Monitoring`
Footnotes:
1) The discharge from this facility shall not cause turbidity in the receiving stream to exceed 25 NTU.
2) Limit and monitor only if the facility adds chlorine or chlorine derivatives to water that is eventually
discharged. The Division shall consider all effluent TRC values reported below 50 ug /1 to be in
compliance with the permit. However, the Permittee shall continue to record and submit all values
reported by a North Carolina certified laboratory (including field certified), even if these values fall below
50 ug /I.
3) Parameter should be monitored in conjunction with toxicity test.
4) Chronic Toxicity Monitoring P/F (Ceriodaphnia Dubia) @ 90 %, during the months of January, April, July,
and October. See Part I, Condition A. (2.). Further studies will be required to determine the cause of
toxicity, if any. The collection of samples shall coincide with the sampling of other parameters.
There shall be no discharge of floating solids or visible foam in other than trace amounts
All samples collected should be of a representative discharge.

EFFLUENT
NPDES NO: NCO044164 DISCHARGE NO: 001
FACILITY NAME: City Of Lenoir CLASS:
CERTIFIED LABORATORIES (1): Blue Ridge Labs CERTIFICATION NO.
( list additional laboratories on the backside /page 2 of this form)
OPERATOR IN RESPONSIBLE CHARGE (ORC) Jeffery Hayes GRADE 1
PERSON(S) COLLECTING SAMPLES. Lowell Graves ORC PHONE
MONTH: August YEAR
1 COUNTY:
#276
CERTIFICATION NO.
828- 396 -1006
CHECK BOX IF ORC HAS CHANGED: NO FLOW / DISCHARGE FROM SITE
MAIL ORIGINAL AND ONE COPY TO:
ATTN: CENTRAL FILES
Division of Water Quality
1617 Mail Service Center X
Raleigh, NC 27699 -1617 (SIGNATURE OF OPERATOR IN RESPONSIBLE CHARGE)
BY THIS SIGNATURE, I CERTIFY THAT THIS REPORT IS
ACCURATE AND COMPLETE TO THE BEST OF MY KNOWLEDGE.
2014
Caldwell
985389
0
DATE
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City of Lenoir - Lower Creek WWTP Lab (DWQ #71) - P.O. Box 958, Lenoir, NC 28645
Water Plant Effluent Results
3rd Quarter 2014 (to date)
Location
Date Collected
Time Collected
Collected By
Date Analyzed
Parameter
Result
Units
RY
Lenoir Water Treatment Plant Effluent
7/15/14
0750
LG
7/15/14
TSS
<2.5
m /I
CDC
Lenoir Water Treatment Plant Effluent
7/29/14
0754
LG
7/29/14
TSS
<2.5
m /I
CDC
Lenoir Water Treatment Plant Effluent
8/12/14
0756
LG
8/12/14
TSS
<2.5
m /I
CDC
Lenoir Water Treatment Plant Effluent
8/26/14
0747
LG
8/26/14
TSS
<2.5
m /I
CDC
Lenoir Water Treatment Plant Effluent
9/11/14
0715
LG
9/11/14
TSS
2.6
m /I
REH
Reported by: I �.
9/18/2014
Elisa R. Triplett, Laboratory Supervisor Date Reported
Phone [phone] Fax [phone]

Effluent. Parameters
Date q-1 �- l Analyst k
pH Calibration
Calibration
4.0 Buffer
10.0 Buffer
Check
Slope
Standard
Time
Analysis
Results
Buffer 7.0-
95 -105
True Value
Time
Celsius
Effluent
-� !
U Z(
O�,
�f=
�/O,
? U
lU�L-,
Buffer Lot #
Sample Time
pH
pH
Temperature @
Standard
Exp. Date
Analysis
Results
Time of Sample
Check Time
True Value
pH Analysis i 1 emperamre
Location
Sample Time
pH
pH
Temperature @
Standard
Analysis
Results
Time of Sample
Check Time
True Value
Time
Celsius
Effluent
-� !
U Z(
/ r
lO ,
ug/1
Effluent
l'otal Kesidual Lntorme
Location
Sample
Analysis
TRC Results
Standard
Standard
Time
Time
ug/l
Check Time
True Value
& Value -
ug/1
Effluent
O �) S—
U7 ZZ
Z'J
CY tf 7 /-2-1 P"
2—

URTERQTECH LR65 M
POST OFFICE BOX 1 056 • #5 PINEWOOD PLAZA CR
GRANITE FALLS. NORTH CAROLINA 2863C
(828) 396 -4444
SAMPLE., Lenoir H2O COLLECTION DATE: 8/26/2014
PERMIT #: COLLECTION TIME., 07:47
ADDRESS: City of Lenoir RECEIVED DATE: 8/26/2014
P.O. Box 958 RECEIVED TIME: 09:01
Lenoir, NC 28645
REPORTED: 9/3/2014
ANALYSIS
ANALYSIS EFFLUENT UNITS DATE ANALYST
Turbidity 0.60 ntu 8/26/14 lag
LOG ID: 1408 -364 REPORTED BY: NC CERTIFIED LAB # 50
fp� Tony Gragg, Lab Supervisor

Blue Ridge Labs
PO Box 2940
Lenoir, NC 28645
828 - 728 -0149
Client : City of Lenoir Water Plant
P. O. Box 958
Lenoir, NC 28645
Attention: Mr. Kevin Matheson
Date Received:
15- Jul -14
Report Date:
29- Jul -14
Sample Date:
15- Jul -14
BRL #:
BRL- 2014 -0464
Lab Sample ID:
LSID- 2014 -02125
Client Sample ID:
Effluent
Parameter
Result MQL
N2 +N3
0.38 0.08
TKN
1.26 0.5
Reported By:
blueridgelabslenoir @gmail.com
S. J. ohnson, D.R. Wessinger
Concentrations are below Minimum Quantification Limit except where noted.
NC Laboratory Certificate No. 275
Page 2 of 2
Analysis
Analysis
Unit Method
Time
Date Analyst
mg /I SM 19 4500 -N
15:52
7/22/2021 KCJ
mg/I SM19 4500 -N
1 1:07
7/23/2014 KCJ
S. J. ohnson, D.R. Wessinger
Concentrations are below Minimum Quantification Limit except where noted.
NC Laboratory Certificate No. 275
Page 2 of 2

Blue Ridge Labs
PO Box 2940
Lenoir, NC 28645
828 - 728 -0149
Client : City of Lenoir Water Plant
P. O. Box 958
Lenoir, NC 28645
Attention: Mr. Kevin Matheson
Date Received:
15- Jul -l4
- Analysis
Analysis
Report Date:
29- Jul -14
Method
Time
Sample Date:
15- Jul -l4
mg/I
EPA 200.7
BRL #:
BRL- 2014 -0464
KCJ
mg /I
Lab Sample ID:
LSID- 2014 -02124
i/29/2014
KCJ
Client Sample ID:
Effluent
12:24
7/29/2014
Parameter
Result
EPA 200.7
MQL
Al
KCJ
0.087-/
0.005
Cu
7/29/2014
* ✓
0.001
Fe
12:24
0.058 ✓
0.01
Mn
0.017✓
0.005
"Total Phosphorus
0.063-
0.02
Zn
*
0.001
blueridgelabslenoir @gmail.com
Reported By:
S. J. Jrnson. R. Wessinger
Concentrations are below Minimum Quantification Limit except where noted.
NC Laboratory Certificate No. 275
Page 1 of 2
- Analysis
Analysis
Unit
Method
Time
Date
Analyst
mg/I
EPA 200.7
12:24
7/29/2014
KCJ
mg /I
EPA 200.7
;2:24
i/29/2014
KCJ
mg/I
EPA 200.7
12:24
7/29/2014
KCJ
mg /l
EPA 200.7
12:24
7/29/2014
KCJ
mg /1
EPA 200.7
12:24
7/29/2014
KCJ
mg /l
EPA 200.7 .
12:24
7/29/2014
KCJ
Reported By:
S. J. Jrnson. R. Wessinger
Concentrations are below Minimum Quantification Limit except where noted.
NC Laboratory Certificate No. 275
Page 1 of 2

WRTER=TECH LRE51,7,
=OST C =VICE EC,, ,56 • t5 PINEWOOD PLAZP. CR
GR.A` '-E P-. - -. _ +J^RTH CARCI-'NA 28E33
(828) 396 -4444
SAMPLE: Lenoir H2O COLLECTION DATE: 7/15/2014
PERMIT #: COLLECTION TIME: 07:50
ADDRESS: City of Lenoir RECEIVED DATE: 7/15/2014
P.O. Box 958 RECEIVED TIME: 10:35
Lenoir, NC 28645
REPORTED: 8/5/2014
ANALYSIS
ANALYSIS EFFLUENT UNITS DATE ANALYST
Turbidity 0.65 ntu 7/15/14 lag
Fluoride 0.247 mg /L 7/18/14
LOG ID: 1407 -211 REPORTED BY: NC CERTIFIED LAB # 50
f�,(
Tony Gragg, Lab Supervisor

dri 1W
�entaL Inc
P 0 Rrw 1F,414. Cars-- P.nv1EIP-. SC: 29bub
{884} 877 -6942 . Fax (86d) 377 -6938
4 cransman Court. Greer, 8-C 29630
Ceriodaphnia dubia Survival and Reproduction Test
EPA - 821 -R -02 -013 Method 1002
Client: CITY OF LENOIR
Facility: WATER PLANT
NPDES #: NCO044164
Test Date:
Laboratory ID #: T43687
Test Reviewed and Approved By:
W
Robert W. Kelley, Ph.D.
QA/QC Officer
Certification #E87819
Test results presented in this report conform to all requirements of
NELAC, conducted under NEL.AC Certification Number E87819
Florida Dept of Health Included results pertain only to provided samples.
Page 1 of 6
16-fu1 -14
Farhad Rostampour
Laboratory Director
SCDHEC Certification #23104
N CDENR Certification # 022

Effluent Toxicity Report Form - Chronic Pass /Fail and Acute LC50 Date 23- Jul -14
Facility: LENOIR WATER PLANT NPDES# N00044164 Pipe# County: Caldwell
Laboratory Performing Test:
comments
X
Signature of Operator in R sp le Charge
X
Signature of Laboratory Supervisor
MAIL ORIGINAL TO Environmental Sciences Branch
Div. of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, North Carolina 27699 -1621
North Carolina Ceriodaohnia Chronic Pass /Fail Reproduction Toxicity Test Chronic Test Results
CONTROL ORGANISMS Calculated t= 1.754
Critical Value= 2.508
1 2 3 4 5 6 7 8 9 10 11 12 % Reduction= 11.0%
# Young Produced
Adult (L)ive (D)ead
Effluent %
TREATMENT 2 ORGANISMS
#Young Produced
Adult (L)ive (D)ead
pH 1st sample
Control
Treatment 2
24 27 25 30 26 1 22 27 24 17 29 20 20 1 % Mortality Avg. Reprod.
L L L L L I L L L L L L L 0% 24.3
Control Control
0% 21.6
Treatment 2 Treatment 2
Control CV
1 2 3 4 5 6 7 8 9 10 11 12 16.1%
24 21 23 26 23 15 20 19 23 16 26 23 rBr...d PASS FAIL
L L L L L L L L L L L L X
1st sample
7.8 7.8
7.2 7.5
2nd sample
7.7 7.9
7.0 7.3
start end start end start end
D.O. 1st sample 1st sample 2nd sample
Control 7.8 8.5
Treatment 2 5.7 7.5 8.5 8.2 8.2 8.4
LC50 /Acute Toxicity Test
(Mortality expressed as %, combining replicates)
LC50 =
95% Confidence Limits
Organism Tested
Method of Determination
Average Probit
an Kerber ROther
Cerioda,ohnia dubia
DEM Form AT -1 Page 2 of 6
implete This for Either Test Test Start Date —d Ilection (Start) Date 16- Jul -14
mole 1 15- Jul -14 Sample 2 17- Jul -14
Grab lComp louraticn
Sample 1 X
Sample 2 1 X
Hardness (mg /L)
Spec. Cond. (pmhos)
Chlorine (m g /L)
imple Temp. at receipt ( °C)
1st 2nd
Tox Tox
Dilution Sample Sample
$:i
�"
9 92
WOF
5 <0.05
1
7 1.3
start/end start/end
Control
FRHigh Ccnc.
pH D.O.

STATISTICAL ANALYSIS RESULTS
Facility: LENOIR
NPDEs# NC0044164
Sample ID: WATER PLANT
ETT# T43687
I Date: 16- Jul -14
Laboratory: i
Certification : NCO22 Exp. Date: 11/1/2014
Survival Data
Raw Data
7 Day Survival
Test Used: FISHERS TEST
Control 100%
Test Statistic: P= 1.000
Effluent 100%
Critical Value: P= 0.01
PASS: The effluent does not reduce survival of the test organisms.
Reproduction Data
Raw Data
Test for Normality
Mean young /female Std. Dev.
Test Used: Shapiro -Wilks Test:
Control 24.3 3.91
Effluent 21.6 3.53
W: 0.954
Critical Value: 0.884
The data are normally distributed.
nalysis for Differences in Reproduction
Test for Homogeneity of Variance
Test Used: Equal Variance t Test.
Test Used: F Test
Calculated t= 1.75
F= 1.23
Critical Value= 2.51
Critical Value= 5.32
The data are homogeneous in variance
PASS: The effluent is not chronically toxic.
Page 3 of 6

D =Dead N/A -Lost or not used
23
Page 4 of 6
latrtf.
Control Mortality and Reproduction by Test Day
1 2 3 4 5 6 7 8
LENOIR
source
rep
Total
T10 7 -4
1
0
tatf )ate --
+4 +6
Start. Time
14
ztad 3 Tad H --
24
esi Organ _
C10 7 -4
2
15 -Ju -14
Neo_ bom time
1650-2145
est Type _
+3 *9
Dilation. Wa ,
15
ntts for
27
C
E7 7 -4
3
1oc
asL Vass
30 ml
esivoFurtt
+5 +7
ricubator ;2�
13
L ht
25
itta6 Temp
C1 7 -4
4
0.05 ml
AT
.05 ml
+6 +9
15
30
627 -4
5
+3 +8
15
26
M4 7 -3
6
+5 +5
12
22
O5 7.3
1
+6 +9
12
27
Ri 7 -3
8
+4 +7
13
24
57 7 -4
9
+3 +6
8
17
T7 7 -4 1
10
+5 +9
15
29
P4 7 -10
11
+4 +8
8
20
D2 7 -4
12
+3 +8
9
20
13
N/A
0
14
N/A
0
15
NIA
0
16
NIA
0
17
N/A
C
18
N/A
0
19
NIA
o
Imean
20
N/A
0
24.3
90 % Effluent Mortality and Reproduction by Test Day
1 2 3 4 5 5 7 8
Total
T10 7 -4
1
+4 +7
13
24
C10 7 -4
2
+5 +6
10
21
E7 7 -4
3
*4 +7
12
23
C1 7 -4
4
+6 +9
11
26
B2 7-4
5
+4 +10
9
23
M4 7 -3
6
6
9
t5
Q5 7 -3
7
5
+6 +9
20
R1 7 -3
6
+4 +7
81
19
S7 7-4
9
+5 +7
11
23
T7 7-4
10
+4 +5
7
16
P4 7 -10
11
5
+12 *9
26
D2 7 -4
12
6
+8 +9
23
0
13
N/A
0
0
14
N/A
0
0
15
N/A
0
0
16
N/A
0
O
17
NIA
C
O
8
WA
C
0
19
NIA
0
Mean
0
20
N/A
C
21.6
Af
JG
JG
AE
AE
dC
!G
JG
23- Ju! -14
02.53 PM
Oa:19 PM
012' AM
0531A.
02,CG —
11:15 AM
24.5
1 24.2
Oid temD'C
1 25.5
1 24.61
7
D =Dead N/A -Lost or not used
23
Page 4 of 6
latrtf.
743687
LENOIR
WATER PLANT
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NC0044164
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esi Organ _
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Comments
ON TEMP:
Initial- 24.6
DAY 2- 24.3
DAY 5 - 24.2

Sludge Management Plan for Lake Rhodhiss Water Treatment Facility
City of Lenoir, North Carolina
The City of Lenoir's Lake Rhodhiss Water Treatment Facility is a Conventional
Water Treatment Plant, with a capacity to treat 12 million gallons per day. Sludge
produced by the plant consists of alum sludge from the coagulation/
sedimentation processes, and solids removed from the mixed media filter beds
during backwashing. Our facility has two cylindrical concrete thickening/ holding
tanks to aid in sludge management: a 400,000 gallon backwash water tank, and a
500,000 gallon alum sludge tank. Filter backwash water flows to the 400,000
gallon receiving tank where solids are thickened and released to the 500,000
gallon alum sludge tank, and the clear supernatant is then decanted to the
discharge outfall. Alum sludge is mechanically removed continuously from our
sedimentation water treatment basin via a track - vacuum system and flows into
the 500,000 gallon alum sludge tank. Here solids from both tanks are thickened
mechanically, and when necessary chemically. The sludge /solids are then
transferred to a City -owned tanker truck and transported to the Lower Creek
Wastewater Treatment Plant where they are mixed with the biological waste
sludge. The mixture is then de- watered, pasteurized, and lime- stabilized to
produce a class "A" bio -solid suitable for land application.
/1e 1I r Yl `I rl e5p r\
rll�l UW er We Y 1 1"�a�lnew�
17(4A, qliqlj-,l �

09/19/2014
Point Source Branch
Surface Water Protection Section
Division of Water Resources
1617 Mail Service Center
Raleigh, NC 27699 -1617
Subject: Delegation of Signature Authority
Lake Rhodhiss Water Treatment Facility
NPDES No. NC_0044164_ _ _ _ _ _
To Whom It May Concern:
RECEIVED /DENRIDWR
SEP 30 2014
Water Quality
Permitting Section
By notice of this letter, I hereby delegate signatory authority to each of the following
individuals for all permit applications, discharge monitoring reports, and other
information relating to the operations at City of Lenoir's Lake Rhodhiss Water
Trteatment Facility as required by all applicable federal, state, and local environmental
agencies specifically with the requirements for signatory authority as specified in 15A
NCAC 213.0506.
Kevin Matheson Superintendent -Water Treatment
If you have any questions regarding this letter, please feel free to contact me at (828)
757 -2219
Sincerely,
7
Rad rd L. Thomas
.l
Director of Public Utilities
City of Lenoir, North Carolina
cc: DWR, Asheville Regional Office, Surface Water Protection Section
Technical Assistance and Certification Unit