NC0025526_Wasteload Allocation_19920904

NPDES DOCIMENT SCANNING COVER !;CIEET
Allah
.41111,
AIM
oak
NPDES Permit:
NC0025526
Walnut Cove WWTP
Document Type:
Permit Issuance
Wasteload Allocation \,
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Staff Report
Speculative Limits
Instream Assessment (67b)
Environmental Assessment (EA)
Permit
History
Document Date:
September 4, 1992
This document is printed on reuse paper - ignore any
content on the rezrerse side

FUEOTDES WASTE LOAD ALLOCATION
PERMIT NO.: NC0025526
PERMITTEE NAME: Town of Walnut Cove
FACILITY NAME: Walnut Cove WWTP
Facility Status: Existing
Permit Status: Renewal with Modification
Major '1 Minor
Pipe No.: 001
Design Capacity: 0.50 MGD**
Domestic (% of Flow): 100 %
Industrial (% of Flow):
Refer : Basinwide / Streamline WLA File
Completed By Permits & Engineering
At Front Of Subbasin
Comments:
** Requesting expansion from 0.192 to 0.50 MGD. PIRF has been
requested. See me for compliance data.
RECEIVING STREAM: Town Fork Creek
Class: C
Sub -Basin:
03-02-01
Reference USGS Quad: B 18 SW
County: Stokes
Regional Office: Winston-Salem Regional Office
Previous Exp. Date: 11/30/92 Treatment Plant Class: II
Classification changes within three miles:
Changes to WS-III downstream ±3 miles at the Dan River.
Requested by:
Prepared by: �j
Reviewed by: C 'C7lt
5.F)13 -
Charles Lowe
/w) (A) co7.7s
(please attach)
Date: 6/29/92
Date:
Date:
(s/vJ) (g)
A _ REAIewA L
Modeler
Date Rec.
#
6,d B,
cot zc kZ
~took (r`)
Drainage Aa (mi2 )
1
B ; EXPA7i to/J
Avg. Streamflow (cfs):
j3o
7Q10 (cfs) 6 .9 Winter 7Q10 (cfs) Zo 30Q2 (cfs) Z (
Toxicity Limits: IWC % Acute/Chronic
Tnstream Monitoring: (oic-y AT 6XPAA' ion! -ro 0. 5 vt 4D)
'arameters 7).0• TebtPL�Aru�& f- cAU CO LiFo/MA, coNlucri'IL f`-f
Ipstream '/ Location A T LCA`�T (a 0 / u17s-(-P-
ccNJf )s r Pr Aj�. Zc Mites
Downstream Y Location p 'rRr rrn ,uJlof �oNFWPPENGE oN WlThor.)
O. faz MAD 0.sM4 ion*
Effluent
Characteristics
Sx��o`i, x(
ur
su 7wJ i,
BOD5 (mg/1)
30/3o
'o /3o
NH3-N (mg/1)
Z4/Mo(J
[o rKom
D.O. (mg/1)
TSS (mg/1)
R o%0
30/30
F. Col. (/100 ml)
Zoo/Zoo
Zro/zoo
pH (SU)
6-1
6-5
Tor• r-cr. gweiNE (h/i)
28
PLwi
Lij
4— A.T.
Comments: ;Vo Prz r:r(2rA-; /NA6m-r p(2.0y 2RnA AT ►4h s r r M C - Lt Uw TS Ptrz.E
SU�SEG7 Tv Craq J LcF'on) RbNC JAL GF ALL 7)---r2MrT-5 IN T#{6 120ANoi-E
(dam BASIN .

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Meadow Brook Q,/
Airfield
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USGS QUADRANGLE "WALNUT COVE'
f
625
!
•
>9is• 'f/
DISCHARGE PERMIT APPLICATION
LOCATION MAP
1 —MAY-1992
Wayside
Ch'
2000'
676
4.
1
♦
0 1000' 2000'
Open Marl.
Ch
\' . /;� •
\a1 a
%
,.
a
USGS QUADRANGLE
4000'
1" = 2000'
CONTOUR INTERVAL 20 FEET
NGVD 1929
•
',It,
"BELEWS LAKE"
Hu HOBBS, UPCIIURCH k ASSOCIATES, P.
C0198ULTU num=
SOUTJIBRN PINES. NORTH CAROLINA 283

Facility Name:
NPDES No.:
Type of Waste:
Facility Status:
Permit Status:
Receiving Stream:
Stream Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Topo Quad:
FACT SHEET FOR WASTELOAD ALLOCATION
Walnut Cove
NC0025526
Domestic - 100%
Existing
Renewal (A) and Modification (B)
Town Fork Creek
C
030201
Stokes
WSRO
C. Lowe
6/29/92
B18SW
Request #
RECEIVED
N.C. Dept. of EHNR
AUG 17 1992
Winston-Salem
7°°1gionai Office
Stream Characteristic:
USGS #
Date:
Drainage Area (mi2):
Summer 7Q10 (cfs):
Winter 7Q10 (cfs):
Average Flow (cfs):
30Q2 (cfs):
IWC (%):
est
113
8.9
20
130
21
3.2 (A), 8 (B)
Wasteload Allocation Summary `'
(approach taken, correspondence with region, EPA, etc.)
Walnut Cove WWTP is up for renewal. The facility also proposes an expansion from 0.192 MGD..,
to 0.5 MGD. Walnut Cove has not been able to meet its current BOD5 limit (7 violations).
No instream monitoring data exists (not required at this time). The WWTP has dual facultative
lagoons. The facility is 100% domestic now, but is attempting to attract industry with its increase.
in flow. No pretreatment information is available and no pretreatment program has been
established.
Thes limits are subject to change upon renewal of all permits in the Roanoke River Basin.
Special Schedule Requirements and additional comments from Reviewers:
Pc" 7l//77/194P Wz,YrSr71/4-7/7
jj/�/ if/Dtr/l//-7--A'1 4// '3 GSA%
7i9 l/CJ . , 3 2 r�si��r AS ///AJ 74- _4fin/;, r'r'ri
Recommended by:
Reviewed by 1,
Instream Assessment:
e
Regional Supervisor: '227
Pernuts & Engineering:
Date: B/G l9 2-
Date:
Date: 2 s%Z
Date: g
RETURN TO TECHNICAL SERVICES BY: SEP 1 0 1992

2
Existing Limits:
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
pH (SU):
Residual Chlorine (14/1):
Oil & Grease (mg/1):
TP (mg/1):
TN (mg/1):
Recommended Limits:
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
pH (SU):
Residual Chlorine (µg/1):
Toxicity testing:
TP (mg/1):
TN (mg/1):
**
**
CONVENTIONAL PARAMETERS
Monthly Average
Summer Winter
0.192 0.192
30 30
90
1000
6-9
90
1000
6-9
(A) 0.192 MGD
Monthly Average
Summer Winter
0.192 0.192
30 30
24 monitor
90 90
200 200
6-9 6-9
WQ or EL
Chronic Q P/F at 3.2%
(B) 0.5 MGD
Monthly Average
Summer Winter
0.5 0.5
WQ 30 30
WQ 10 monitor
90
200
6-9
28
90
200
6-9
28
** At the flow of 0.192 MGD (A), Walnut Cove should have a choice between the NH3-N limit
of 24 mg/1 (summer) & monitor (winter) pi Chronic quarterly toxicity testing at 3.2% (year round).
The region should inform Tech Support of the facility's choice.
For the 0.5 MGD flow the facility will receive the NH3-N limit (no choice) - 10 mg/1 (summer) &
monitor (winter).
Limits Changes Due To:
Change in 7Q10 data
Change in stream classification
Relocation of discharge
Change in wasteflow
Other (onsite toxicity study, interaction, etc.)
Instream data
New regulations/standards/procedures
New facility information
Parameter(s) Affected
NH3-N, Cl
Fecal coliform
X_ Parameter(s) are water quality limited. For some parameters, the available load capacity of
the immediate receiving water will be consumed. This may affect future water quality based
effluent limitations for additional dischargers within this portion of the watershed.
OR
No parameters are water quality limited, but this discharge may affect future allocations.

INSTREAM MONITORING REQUIREMENTS
Upstream Location: at least 100 ft upstream
Downstream Location: recommend appx. 2 miles downstream of confluence with Lick Creek on Town Ilk
Fork Creek (access looks limited, any suggestions Abner?)
Parameters: temperature, DO, Fecal coliform, conductivity
Special instream monitoring locations or monitoring frequencies: , e ',I, / 4' 4' ''7
Instream monitoring is required only with expansion to 0.5 MGD �,e,e'`� 5e('
MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS
Adequacy of Existing Treatment
Has the facility demonstrated the ability to meet the proposed new limits with existing treatment
facilities? Yes No yi
If no, which parameters cannot be met? /,-"-,lia0/2./f ("'",/-71- e2,1
Would a "phasing in" of the new limits be appropriate? Yes No
If yes, please provide a schedule (and basis for that schedule) with the regional
office recommendations:
If no, why not?
Special Instructions or Conditions
Wasteload sent to EPA? (Major) _N (Y or N)
(If yes, then attach schematic, toxics spreadsheet, copy of model, or, if not modeled, then old
assumptions that were made, and description of how it fits into basinwide plan)
Additional Information attached? N (Y or N) If yes, explain with attachments.

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MODEL RESULTS
Discharger : WALNUT COVE WWTP
Receiving Stream : TOWN FORK CREEK
SUMMER
QEFF=0.5 MGD, BOD5=30
NH3-N=10 MG/L
The End D.O. is 6.58 mg/l.
The End CBOD is 3.88 mg/l.
The End NBOD is 2.68 mg/l.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 6.80 0.20 1
Reach 1 45.00 45.00 0.00 0.50000C
Segment 2 6.79 0.10 1
Reach 1 45.00 49.50 0.00 0.05000®
Segment 3 6.51 2.04 1
Reach 1 0.00 0.00 0.00 0.00000
wIRLNui ( v wwiW
i('ANSIdn1 T 0.5 wt4P
Imo)- r2. 9co 41 • - [AMU,/ LAT 1 2-t E SEAM). ( -Dr c—(2•gc7 tJ v)/TF!TY - rTs —TYE 5.P,4 SL(yITLy\
go, D.O Mct,
5AJ�17 AS: NAL-Nu
(NtopgLec To I4 c r1i OF To (A) J f0Ia-IL C1K)

*** MODEL SUMMARY DATA ***
Discharger : WALNUT COVE WWTP Subbasin : 030201
• Receiving Stream : TOWN FORK CREEK Stream Class: C
- Summer 7Q10 : 8.9 Winter 7Q10 : 20.0
Design Temperature: 25.0
!LENGTH' SLOPE' VELOCITY I DEPTH' Kd I Kd 1 Ka I Ka 1 KN 1
I mile I ft/mil fps 1 ft Idesignl @201/2 Idesign l @20' 'design'
1 1 1 1 1 1 1 1 I
Segment 1 I 0.20I 4.901 0.196 11.81 10.27 1 0.22 11.93 I 1.731 0.44
Reach 1 1 1 1 1 1 1 1 1 I
I 1 1 1 1 1 1 1 I
Segment 2 I 0.101 5.201 0.100 1 0.85 10.27 10.22 11.04 I 0.941 0.44
Reach 1 1 1 1 1 1 1 1 1 I
1 1 I I 1 I 1 1 I
Segment 3 I 3.40I 4.901 0.207 11.90 10.27 10.22 11.47 I 1.321 0.44
Reach 1 1 I I I I I 1 I I
I Flow I CBOD I NBOD I D.O. I
I cfs I mg/1 I mg/1 I mg/1
Segment 1 Reach 1
Waste I 0.775 145.000 145.000 I 0.000
Headwaters) 8.900 I 2.000 1 1.000 I 7.440
Tributary I 0.000 I 2.000 1 1.000 I 7.440
* Runoff 1 0.000 I 2.000 I 1.000 I 7.440
Segment 2 Reach 1
Waste I 0.077 145.000 149.500 I 0.000
Headwaters) 1.000 I 2.000 I 1.000 I 7.440
Tributary 1 0.000 1 2.000 1 1.000 1 7.440
* Runoff 1 0.000 I 2.000 I 1.000 I 7.440
Segment 3 Reach 1
Waste I 0.000 I 0.000 I 0.000 I 0.000
Headwaters) 0.000 I 2.000 1 1.000 I 7.440
Tributary I 0.000 1 2.000 I 1.000 I 7.440
* Runoff I 0.250 I 2.000 I 1.000 I 7.440
* Runoff flow is in cfs/mile

I Seg # I Reach # I Seg Mi I D.O. I CBOD
1 1 0.00 6.84 5.44
1 1 0.02 6.84 5.44
1 1 0.04 6.84 5.43
1 1 0.06 6.83 5.42
1 1 0.08 6.83 5.41
1 1 0.10 6.82 5.40
1 1 0.12 6.82 5.39
1 1 0.14 6.81 5.38
1 1 0.16 6.81 5.37
1 1 0.18 6.81 5.36
1 1 0.20 6.80 5.35
2 1 0.00 6.90 5.09
2 1 0.01 6.89 5.08
2 1 0.02 6.88 5.08
2 1 0.03 6.87 5.07
2 1 0.04 6.86 5.06
2 1 0.05 6.85 5.05
2 1 0.06 6.84 5.04
2 1 0.07 6.82 5.03
2 1 0.08 6.81 5.02
2 1 0.09 6.80 5.02
2 1 0.10 6.79 5.01
3 1 0.00 6.80 5.32
3 1 0.34 6.70 5.15
3 1 0.68 6.62 4.99
3 1 1.02 6.57 4.83
3 1 1.36 6.54 4.68
3 1 1.70 6.52 4.53
3 1 2.04 6.51 4.39
3 1 2.38 6.52 4.26
3 1 2.72 6.53 4.13
3 1 3.06 6.56 4.00
3 1 3.40 6.58 3.88
I Seg # I Reach # I Seg Mi I D.O. I CBOD
SUMMER
QEFF=0.5 MGD, BOD5=30
NH3-N=10 MG/L
I NBOD I Flow I
4.52 9.68 4- wAL(JIAT Cove
4.51 9.68
4.50 9.68
4.49 9.68
4.48 9.68
4.46 9.68
4.45 9.68
4.44 9.68
4.43 9.68
4.41 9.68
4.40 9.68
4.49 1 .0 8 +- wALNur i azE sh4.4317.
4.48 1.08
4.46 1.08
4.45 1.08
4.44 1.08
4.43 1.08
4.42 1.08
4.40 1.08
4.39 1.08
4.38 1.08
4.37 1.08
4.40 10.75
4.18 10.84
3.98 10.92
3.79 11.01
3.60 11.09
3.43 11.18
3.26 11.26
3.10 11.35
2.96 11.43
2.81 11.52
2.68 11.60
I NBOD I Flow I
51YA/fsig_,
S3R1 (Tow) Foy Ceu-'
Y

WINTER
QEFF=0.5 MGD, BOD5=30
MODEL RESULTS
' Discharger : WALNUT COVE WWTP
Receiving Stream : TOWN FORK CREEK
The End D.O. is 9.47 mg/l.
The End CBOD is 3.13 mg/l.
The End NBOD is 3.60 mg/l.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 8.93 0.00 1
Reach 1 45.00 90.00 0.00 0.50000
Segment 2 9.00 0.00 1 Reach 1 45.00 90.00 0.00 0.05000Z
�
Segment 3 8.98 0.00 1
Reach 1 0.00 0.00 0.00 0.00000
wpok. CoVE
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*** MODEL SUMMARY DATA ***
Discharger : WALNUT COVE WWTP Subbasin : 030201
Receiving Stream : TOWN FORK CREEK Stream Class: C
Summer 7Q10 : 8.9 Winter 7Q10 : 20.0
Design Temperature: 14.0
'LENGTH' SLOPE! VELOCITY 1 DEPTH' Kd 1 Kd 1 Ka 1 Ka 1 KN 1
mile I ft/mil fps I ft Idesign l @204 Idesign l @204 Idesign'
I 1 1 1 1 1 1 1 I
Segment 1 1 0.20I 4.901 0.348 1 1.99 1 0.17 1 0.23 1 1.95 1 2.221 0.19
Reach 1 1 1 1 1 1 1 1 1 I
I I 1 1 1 1 1 1 I
Segment 2 1 0.101 5.201 0.154 1 1.06 1 0.17 1 0.22 1 1.27 1 1.441 0.19
Reach 1 1 1 1 1 1 1 1 1 I
1 1 1 1 1 1 1 1 I
Segment 3 1 3.401 4.901 0.370 1 2.09 1 0.17 1 0.23 1 2.07 1 2.361 0.19
Reach 1 1 1 1 1 1 1 1 1 I
I Flow 1 CBOD 1 NBOD 1 D.O. 1
I cfs 1 mg/1 1 mg/1 1 mg/1 I
Segment 1 Reach 1
Waste 1 0.775 145.000 1 90.000.I 0.000
Headwaters) 20.000 1 2.000 1 1.000 1 9.280
Tributary 1 0.000 1 2.000 1 1.000 1 9.280
* Runoff 1 0.000 1 2.000 1 1.000 1 9.280
Segment 2 Reach 1
Waste I 0.077 1 45.000 190.000 1 0.000
Headwaters) 2.500 1 2.000 I 1.000 1 9.280
Tributary 1 0.000 1 2.000 1 1.000 1 9.280
* Runoff 1 0.000 1 2.000 1 1.000 1 9.280
Segment 3 Reach 1
Waste 1 0.000 1 0.000 1 0.000 I 0.000
Headwaters) 0.000 1 2.000 I 1.000 1 9.280
Tributary 1 0.000 1 2.000 1 1.000 1 9.280
* Runoff 1 0.500 1 2.000 1 1.000 1 9.280
* Runoff flow is in cfs/mile

WINTER
QEFF=0.5 MGD, BOD5=30
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD
1 1 0.00 8.93 3.60 4.32
1 1 0.02 8.94 3.60 4.32
1 1 0.04 8.94 3.60 4.31
1 1 0.06 8.95 3.60 4.31
1 1 0.08 8.95 3.60 4.31
1 1 0.10 8.96 3.59 4.31
1 1 0.12 8.96 3.59 4.30
1 1 0.14 8.96 3.59 4.30
1 1 0.16 8.97 3.59 4.30
1 1 0.18 8.97 3.58 4.29
1 1 0.20 8.98 3.58 4.29
2 1 0.00 9.00 3.29 3.68
2 1 0.01 9.00 3.29 3.67
2 1 0.02 9.00 3.29 3.67
2 1 0.03 9.01 3.29 3.67
2 1 0.04 9.01 3.28 3.67
2 1 0.05 9.01 3.28 3.66
2 1 0.06 9.01 3.28 3.66
2 1 0.07 9.01 3.28 3.66
2 1 0.08 9.01 3.28 3.65
2 1 0.09 9.02 3.27 3.65
2 1 0.10 9.02 3.27 3.65
3 1 0.00 8.98 3.55 4.22
3 1 0.34 9.05 3.50 4.15
3 1 0.68 9.12 3.46 4.09
3 1 1.02 9.18 3.42 4.02
3 1 1.36 9.23 3.37 3.96
3 1 1.70 9.28 3.33 3.90
3 1 2.04 9.33 3.29 3.83
3 1 2.38 9.37 3.25 3.78
3 1 2.72 9.40 3.21 3.72
3 1 3.06 9.44 3.17 3.66
3 1 3.40 9.47 3.13 3.60
I Seg # I Reach # I Seg Mi I D.O. I CBOD 1 NBOD
S‘
I Flow I
20. 77 UJAI,ffu; Cove.
20.77
20.77
20.77
20.77
20.77
20.77
20.77
20.77
20.77
20.77
2.58-4 kAUJu7 ift
2.58
2.58
2.58
2.58
2.58
2.58
2.58
2.58
2.58
2.58
23.35
23.52
23.69
23.86
24.03
24.20
24.37
24.54
24.71
24.88
25.05
I Flow I
SuB'ti4.

N0tt`i'11 CAROLINA DEPT. OF NATURAL RESOURCES AND COMMUNITY DEVELOPMENT
ENVIRONMENTAL MANAGEMENT COMMISSION
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
APPLICATION FOR PERMIT TO DISCHARGE WASTEWATER
STANDARD FORM A — MUNICIPAL
SECTION L APPLICANT AND FACILITY DESCRIPTION
Unless otherwise specified on this form all items are to be completed. If an Item Is not applicable Indicate 'NA.'
FOR AGENCY USE
ADDITIONAL INSTRUCTIONS FOR SELECTED ITEMS APPEAR IN SEPARATE INSTRUCTION BOOKLET AS INDICATED. REFER TO
BOOKLET BEFORE FILLING OUT THESE ITEMS.
1. Legal Name of Applicant
(see Instructions)
2. Mailing Address of Applicant
(see Instructions)
Number & Street
City
State
Zip Code
3. Applicant's Authorized Agent
(see instructions)
Name and Title
Number & Street
City
State
Zip Code
Telephone
4. Previous Application
If a previous application for a per-
mit under the National Pollutant
Discharge Elimination System has
been made. give the date of
application.
101
102a
102b
102c
102d
103a
103b
103c
103d
103e
1031
104
Please Print or Type
Town of Walnut Cove .
PO Box 127
Walnut Cove
North Carolina
27052
M. Steve Cavanaugh, Jr., EIT
Hobbs, Upchurch & Associates, P.A.
PO Box 1737
Southern Pines
North Carolina
28388
919 692-5616
Area
Code
Number
YR MO DAY
I certify that 1 am familiar with the Information contained In this application and that to the best of my knowledge and belief such information
is true, complete, and accurate.
J. David Epley
Printed e of Person Signing
Ignature of Applicant or Authorized Agent
102e
102f :
Town Manager
Title
92 6 2
YR MO DAY
Date Application Signed
r
ca
CO
North Carolina General Statute 143-2 5.6(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 or a misdemeanor punishable by a fine
not to exceed $10,000, or by imprisonment not to exceed six months, or by both. (18.U.S.C.
Section 1001 provides a punishment by a fine or not more than $10,000 or imprisonment not
more than 5 years, or both, for a similar offense.)

s;
5. Facility (see instructions)
Give the name, ownership. and physi-
cal location of the plant or other
operating facility where discharge(s)
presently occur(s) or will occur.
Name
Ownership (Public, Private or
Both Public and Private).
Check block if a Federal facility
and give GSA Inventory Control
Number
Location:
Number & Street
City
County
State
6. Discharge to Another Municipal
Facility (see instructions)
a. Indicate if part of your discharge
Is Into a municipal waste trans-
port system under another re-
sponsible organization. If yes.
complete the rest of this Item
and continue with Item 7. If no,
go directly to Item 7.
b. Responsible Organization
Receiving Discharge
Name
Number & Street
City
State
Zip Code
c. Facility Which Receives Discharge
Give the name of the facility
(waste treatment plant' which re-
ceives and Is ultimately respon-
sible for treatment of the discharge
from your facility.
d. Average Daily Flow to Facility
(mgd) Give your average daily
flow Into the receiving facility.
7. Facility Discharges, Number and
Discharge Volume (see Instructions)
Specify the number of discharges
described In this application and the
volume of water discharged or lost
to each of the categories below.
Estimate average volume per day in
million gallons per day. Do not in-
clude intermittent or noncontinuous.
overflows, bypasses or seasonal dis-
charges from lagoons. holding
ponds, etc.
1WSb.
p00
1014
Osi,:
'1060
106c
t O0d
.101111.
106t
101i4''
FOR AGENCY USE
Walnut Cove WWTP
(2[PUB ❑ PRV
0 FED
N/A
0 BPP
❑ Yes [No
mgd
1-2

•
To: Surface Water
Surface Impoundment with
no Effluent
Underground Percolation
Well (Injection)
Other
Total Item 7
I1 'other' Is specified. describe
If arty of the discharges from this
facility are intermittent, such as from
overflow or bypass points, or are
seasonal or periodic from Lagoons,
holding ponds,.etc., complete Item 8.
8. Intermittent Discharges
a. Facility bypass points
Indicate tho number of bypass
points for the facility that are
discharge polnts.(see instructions)
b. Facility Overflow Points
Indicate the number of overflow
points to a surface water for the
facility (see Instructions).
c. Seasonal or Periodic Discharge
Points Indicate the number of
points where seasonal discharges
occur from holding ponds,
lagoons, etc.
9. Collection System Type
Indicate the type and length (in
miles) of the collection system used
by this facility. (see Instructions)
Separate Storm
Separate Sanitary
Combined Sanitary and Storm
Both Separate Sanitary and
Combined Sewer Systems
Both Separate Storm anz:
Combined Sewer Systems
Length
10. Municipalities or Areas Served
(see Instructions)
Total Population Served
Number of Total Volume Discharged,
Discharge Points Million Gallons•Per Day
107a1
107b1
10ia1
107tti
10791
108a:
•
108a
109s
109b
0.19i
FOR AGENCY USE 1
0
0
0
❑ SST
8 SAN
❑ CSS
❑ BSC
❑ SSC
10.5 miles
*
Name
Walnut Cove
Actual Population
• Served
1147
I-3

i•
11. Average Daily Industrial Flow
Total estimated average daily waste
flow from all Industrial sources.
Note: All major Industries (as defined in Section IV)
discharging to the municipal system must be
listed In Section IV.
mgd
FOR AGENCY USE
12. Permits, Licenses and Applications
List all existing, pending or dented permits. licenses and applications related to discharges from this facllity.(see Instructions)
2.
3.
Issuing Agency
12. Permits, Licenses and Applications
List all existing, pending or dented permits. licenses and applications related to discharges from this facllity.(see Instructions)
2.
3.
Issuing Agency
For
Agency Use
Type of Permit
or License
ID Number
Date
Filed
YR M DA
O
_ /
Date
Issued
Y R/MO/DA
Date
Denied
Y R/MO/OA
Expiration
Date
Y li/MO/DA
.:.. :F(. :){...
_ .}
r
•b)%
5.- 4{ -r.{
•c v
4
kM<3"':-4
x/
}F �'.` ::
' h{, . ni 41
NCDEM
.. }
`�} ,
h;<'
Discharge
NC0025526
11/02/87
N/A
11/30/92
•
{ r4
•
13. Maps and Drawings
Attach all required maps and drawings to the back of this application. (see Instructions)
14. Additional information
Item
Number
Information
1
Preliminary Engineering Report prepared in support of application to
FmHA for grant/loan to finance extension of sanitary sewers into the
Town's ETJ and upgrade of wastewater treatment facilities, dated
March 1992.

STANDARD FORM A —MUNICIPAL
SECTION 11. BASIC DISCHARGE DESCRIPTION
FOR AGENCY USE
Complete thls section for each present or proposed discharge Indicated In Section 1, Items 7 and 8. that Is to surface waters. This Includes
discharges to other municipal sewerage systems In which the waste water does not go through a treatment works prior to being discharged to
surface waters. Discharges to wells must be described where there are also discharges to surface waters from this faclllty. Separate
descriptions of each discharge are required even If several discharges originate In the same facility. All values for an existing discharge should
be representative of the twelve previous months of operation. If this Is a proposed discharge, values should reflect best engineering estimates.
ADDITIONAL INSTRUCTIONS FOR SELECTED ITEMS APPEAR IN SEPARATE INSTRUCTION BOOKLET AS INDICATED. REFER TO
BOOKLET BEFORE FILLING OUT THESE ITEMS.
1. Discharge Serial No. and Name
a. Discharge Serial No.
(see instructions)
b. Discharge Name
Give name of discharge, If any
(see Instructions)
c. Previous Discharge Serial No
If a previous NPDES permit
application was made for this dis-
charge (Item 4, Section I) provide
previous discharge serial number.
2. Discharge Operating Dates
a. Discharge to Begin Date
If the discharge has never
occurred but Is planned for some
future date, give the date the
discharge will begin.
b. Discharge to End Date If the dis-
charge Is scheduled to be discon-
tinued within the next 5 years,
give the date (within best estimate)
the discharge will end. Give rea-
son for discontinuing this discharge
in Item 17.
3. Discharge Location Name the
Political boundaries within which
the point of discharge Is located:
State
County
(If applicable) City or Town
4. Discharge Point Description
(see instructions)
Discharge Is Into (check one)
Stream (includes ditches. arroyos,
and other watercourses)
Estuary
Lake
Ocean
Well (Injection)
Other
If 'other' is checked. specify type
5. Discharge Point — Lat/Long.
State the precise location of the
point of discharge to the nearest
second. (see Instructions)
Latitude
Longitude
191;
Z01b
aosa
202a
202b
2034
Z03b
203o
204a
204b
2014
305b
001
Walnut Cove WWTP Town Fork Creek Discharge
NC0Q25526
Existing
YR MO
N/A
YR MO
North Carolina
Stokes
Walnut Cove
STR
❑ EST
❑ LKE
❑ OCE
❑ WEL
❑ OTH
Agency Use
•
(Existing)
36 DEG. 17 MIN. 36 SEC
80 07 DEG. MIN. 47 SEC
This section contains 8 pages.

6. Discharge Receiving Water Name
Name the waterway at the point of
dlscharge.(see Instructions)
If the discharge Is through an out -
fall that extends beyond the shoreline
or Is below the mean low water line,
complete Item 7.
7. Offshore Discharge
a. Discharge Distance from Shore
b. Discharge Depth Below Water
Surface
0004
204A
307a
207h
DISCHARGE SERIAL NUMBER
001
FOR AGENCY USE
For Agency Use
Minor
400
N/A feet
N/A feet
For Agency Use
303e
If discharge Is from a bypass or an overflow point or Is a seasonal discharge from a lagoon, holding pond, etc., complete Items 8, 9 or 10,
as applicable, and continue with item 11.
8. Bypass Discharge (see instructions)
a. Bypass Occurrence
Check when bypass occurs
Wet weather
Dry weather
b. Bypass Frequency Give the
actual or approximate number
of bypass incidents per year.
Wet Weather
Dry weather
c. Bypass Duration Give the
average bypass duration In hours.
d.
Wet weather
Dry weathor
Bypass Volume Give the
average volume per bypass Incident,
In thousand gallons.
Wet weather
Dry weather
e. Bypass Reasons Give reasons
why bypass occurs.
Proceed to Item 11.
9. Overflow Discharge (see instructions)
a. Overflow Occurrence Check
when overflow occurs.
Wet weather
Dry weather
b. Overflow Frequency Give the
actual or approximate Incidents
per year.
Wet weathor
Dry weather
201*1
20*12
204b1
300b2
20io1
202tt2
❑ Yes t) No
❑ Yes g] No
N A times per year
N/A times per year
N/A
hours
N/A hours
20001 N/A
20002 N/A
.201* N / A
20041
thousand gallons per Incident
thousand gallons per Incident
❑ Yes ❑ No
❑ Yes ❑ No
times per year
times per year
II-2

c. Overflow Duration Give the
average overflow duration In
hours.
Wet weather
Dry weather
d. Overflow•Volume Give the
average volume per overflow
Incident In thousand gallons.
Wet weather
Dry weather
Proceed to Item 11
10. SeasonaVPerlodlc Discharges
a. Seasonal/Periodic Discharge
Frequency if discharge Is Inter-
mittent from a holding pond,
lagoon, etc., give the actual or
approximate number of times
this discharge occurs per year.
b. Seasonal/Periodic Discharge
Volume Give the average
volume per discharge occurrence
In thousand gallons.
c.
d.
Seasonal/Periodic Discharge
Duration Give the average dura-
tion of each discharge occurrence
In days.
Seasonal/Periodic Discharge
Occurrence —Months Check the
months during the year when
the discharge normally occurs.
11. Discharge Treatment
a. Discharge Treatment Description
Describe waste abatement prac-
tices used on this discharge with
a brief narrative. (See instruc-
tions)
DISCHARGE SERIAL NUMBER
hours
Hours
001
thousand gallons per Incident
thousand gallons per Incident
times per year
days
thousand gallons per discharge occurrence
OJAN ❑ FEB ❑MAR
❑ AP,R ❑ MAY ❑ JUN
❑JUL ❑ AUG ❑SEP
❑ OCT ❑ NOV ❑ DEC
The proposed improvements to the Walnut Cove WWTP
will include the following new process units:
(1) Screening, (2) Metering, (3) Influent Waste-
water Pumping, (4) Extended Aeration Reactor Basin,
(5) Secondary Clarification, (6) RTN Sludge Pump
Station, (7) Chlorine Contact Disinfection,
(8) Dechlorination Facilities, (9) Post Aeration,
(10) Sludge Holding
11-3

b. Discharge Treatment Codes
Using the codes listed In Table 1
of the Instruction Booklet,
describe the waste abatement
processes applied to thls dis-
charge In the order in which
they occur, If possible.
Separate all codes with commas
except where slashes are used
to designate parallel operations.
If this discharge is from a municipal waste
treatment plant (not an overflow or
bypass), complete Items 12 and 13
12. Plant Design and Operation Manuals
Check which of the following are
currently available
a. Engineering Design Report
b. Operation and Maintenance
Manual
13. Plant Design Data (see Instructions)
a. Plant Design Flow (mgd:)
b. Plant Design 800 Removal (%)
c. Plant Design N Removal (%)
d. Plant Design P Removal (%)
e. Plant Design SS Removal (%)
f. Plant Began Operation (year)
g. Plant Last Major Revision (year)
DISCHARGE SERIAL NUMBER
21.1;11il:
212*
S, M. APO. N. PG, LA, X
ID (For Existing Plant)
0.50 mgd
94
80
10
92
N/A
FOR AGENCY USE
f:.s...
p,.
-
..
:., 7...
.._.
.;:;',.,
..
?. : ., •
...,
;.::',...-
:,
k
.%
i":i...
i;:•:.ii
!. i.: •
"':-
TT_A

ti
DISCHARGE SERIAL NUMBER •
001
14. Description of Influent and Effluent (see instructions)
FOR AGENCY USE
't•>L
N
J•
•
Parameter and Code
Influent
Effluent
•
.. Annual Average
y Value
a
c'M
d >
(2)
• Lowest Monthly
• Average Value
•
Highest Monthly
• Average Value
titFrequency of
Analysis
•
.. Number of
• Analyses
• Sample Type
Flow
Million gallons per day
50050
0.192
0.192
N/A
T
A--
N/A
Daily
e�
260
C
pH
Units
00400
59
7.2
Daily
260
C
Temperature (winter)
°F
74028
-
-21.4
19.9
27
10
Daily -
260
C
Temperature (summer)
°F
74027
21.4
19.9
27
10
Daily
260
C
Fecal Streptococci Bacteria
Number/100 ml
74054
(Provide if available)
,,
N/A
N/A .
N/A
N/A
Fecal Coliform Bacteria
Number/100 ml
74055
(Provide if available)
No
,
Data
•
Total Coliform Bacteria
Number/100 ml
74056•
(Provide if available)
N/A
N/A
N/A
NIA
BOD 5-day
mg/1
00310
2
200
•
30
N/A
45 F
2/Month
24
C
Chemical Oxygen Demand (COD)
mg/1
00340
(Provide if available)
OR
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Total Organic Carbon (TOC)
mg/1
00680
(Provide if available)
(Either analysis is acceptable)
N/A
N/A
N/A'
NIA
•
,
N/A
N/A
N/A
Chlorine —Total Residual
mg/1
50060
N/A
N/A
N/A
N/A
N/A
N/A
N/A
47
II-5

Parameter and Code
Total Solids
mg/1
00500
DISCHARGE SERIAL NUMBER
001
14. Description of Influent and Effluent (see Instructions) (Continued)
FOR AGENCY USE1
Influent
Effluent
N/A
g
Q>
(2)
N/A
N/A
N/A
it;
:11 Et
o Q
L h
Z <
(5) (6)
N/A
LV
(7)
N/A N/A
Total Dissolved Solids
mg/1
70300
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Total Suspended Solids
mg/1
00530
200
30
N/A
N/A
2/Month
24
Settleable Matter (Residue)
ml/1
00545
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Ammonia (as N)
mg/1
00610
(Provide if available)
N/A
N/A
N/A
N/A
• N/A
N/A
N/A
Kjeldahl Nitrogen
mg/1
00625
(Provide if available)
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Nitrate (as N)
mg/1
00620
(Provide if available)
Nitrite (as N)
mg/1
00615
(Provide if available)
N/A
N/A
N/A
N/A
N/A
N/A
N/A N/A
N/A
N/A
N/A
N/A
N/A
N/A
Phosphorus Total (as P)
mg/1
00665
(Provide if available)
Dissolved Oxygen (DO)
mg/1
00300
N/A
x
9
N/A
N/A
N/A
N/A
N/A
N/A N/A
b/
?
N/A N/ ?
A N/A ?

ti
DISCHARGE SERIAL NUMBER
001
IS. Additional Wastewater Characteristics
Check the box next to each parameter If It Is present In the affluent. (see Instructions)
FOR AGENCY USE
,
Parameter
—
a
ez
Parameter
(215)
Present I
Parameter
(215)
Z'a(215)
Bromide
71870
Cobalt
01037
Thallium
01059
Chloride
00940
Chromium
01034
•
Titanium .
01152
Cyanide
00720
Copper
01042
Tin
01102
Fluoride
00951
Iron
01045
Zinc
01092
Sulfide
00745
Lead
01051
Algicides*
74051
Aluminum
01105
Manganese
01055
Chlorinated organic compounds*
74052
Antimony
01097
Mercury
71900
Oi1and grease
00550
Arsenic
01002
Molybdenum
01062
Pesticides*
74053
Beryllium
01012
Nickel
01067
Phenols
32730 •
Barium
01007
Selenium
01147
Surfactants
38260
Boron
01022
Cadmium
01027
Silver
01077
Radioactivity*
74050
• Provide specific compound and/or element in Item 17, if known.
Pesticides (Insecticides, fungicides, and rodenticides) must be reported in terms of the acceptable common names specified in Acceptable Com-
mon Names and chemical Names for the Ingredient Statement on Pesticide Labels, 2nd Edition, Environmental Protection Agency, Washington,
D.C. 20250, June 1972, as required by Subsection 162.7(b) of the Regulations for the Enforcement of the Federal Insecticide, Fungicide, and
Rodenticide Act.
II-7

16. Plant Controls Check 1f the follow-
ing plant controls are available
for ails discharge
Alternate power source for major
pumping facility Including those
for collection system lift stations
Alarm for power or equipment
failure
17. Additional Information
Item •
Number
DISCHARGE SERIAL NUMBER
001
APS
ALM
I nformatlon
•
II-8
6U. $. GOVERNMENT PRINTING OFFICE 1,73 c1 . 508.132

STANDARD FORM A -MUNICIPAL
FOR AGENCY USE
SECTION M. SCHEDULED IMPROVEMENTS AND SCHEDULES OF IMPLEMENTATION
This section requires Information on any uncompleted Implementation schedule which has been Imposed for construction of waste treatment
facilities. Requirement schedules may have bean established by local, State,or Federal agencies or by court action. IF YOU ARE SUBJECT TO
SEVERAL DIFFERENT IMPLEMENTATION SCHEDULES. EITHER BECAUSE OF DIFFERENT LEVELS OF AUTHORITY IMPOSING
DIFFERENT SCHEDULES (ITEM lb) AND/OR STAGED CONSTRUCTION OF SEPARATE OPERATIONAL UNITS (ITEM lc). SUBMIT A
SEPARATE SECTION 111 FOR EACH ONE.
1. Improvements Required
a. Discharge Serial Numbers
Affected List the discharge
serial numbers, assigned in Sec-
tion II, that are covered by this
implementation schedule
b. Authority Imposing Requirement
Check the appropriate Item indi-
cating the authority for the Im-
plementation schedule. If the
identical Implementation sched-
ule has been ordered by more
than one authority, check the
appropriate Items. (see In-
Structlons)
Locally developed plan
Areawide Plan
Basin Plan
State approved implementation
schedule
Federal approved water quality
standards Implementation plan
Federal enforcement procedure
or action
State court order
Federal court order
FOR AGENCY USE
001
LOC
ARE
0 BAS
0 SQS
❑ WQS •
❑ ENF
0 C R T
FED
c. Improvement Description Specify the 3-character code for the
General Action Doscrlptlon In Table 11 that best describes the
Improvements required by the Implementation schedule. If more
than one schedule applies to the facility because of a staged con-
struction schedule. state the stage of constructlon.being described
here with the appropriate general action code. submit a separate
Section III for each stage of construction planned. Also, list all
the 3-character (Specific Action) codes which describe in•more
detail the pollution abatement practices that the Implementation
schedule requires.
3-character general action TCT
description `30t�c.
3-character specific action
descriptions
SEC / DIS . / SLP / SLD /
2. Implementation Schedule and 3. Actual Completion Oates
Provide dates imposed by schedule and any actual dates of completion for Implementation steps
listed below. Indicate dates as accurately as possible. (see Instructions)
Implementation Steps
a. Preliminary plan complete
b. Final plan complete
c. Financing complete & contract
awarded
d. Site acquired
e. Begin construction
f. End construction
g. Begin Discharge
h. Operational level attained
2. Schedule (Yr /Mo /Day) 3. Actual Completion (Yr /Mo /Day)
3D2a
3024
3020
*Olt
12 1 91
3 1 93
/ /.
.3 1 93
4 1 93
10 1 93
/ /
/ /
/ /
/ /
/ /
GPO 865.707
This section contains 1 page.
SECTION M. SCHEDULED IMPROVEMENTS AND SCHEDULES OF IMPLEMENTATION
This section requires Information on any uncompleted Implementation schedule which has been Imposed for construction of waste treatment
facilities. Requirement schedules may have bean established by local, State,or Federal agencies or by court action. IF YOU ARE SUBJECT TO
SEVERAL DIFFERENT IMPLEMENTATION SCHEDULES. EITHER BECAUSE OF DIFFERENT LEVELS OF AUTHORITY IMPOSING
DIFFERENT SCHEDULES (ITEM lb) AND/OR STAGED CONSTRUCTION OF SEPARATE OPERATIONAL UNITS (ITEM lc). SUBMIT A
SEPARATE SECTION 111 FOR EACH ONE.
1. Improvements Required
a. Discharge Serial Numbers
Affected List the discharge
serial numbers, assigned in Sec-
tion II, that are covered by this
implementation schedule
b. Authority Imposing Requirement
Check the appropriate Item indi-
cating the authority for the Im-
plementation schedule. If the
identical Implementation sched-
ule has been ordered by more
than one authority, check the
appropriate Items. (see In-
Structlons)
Locally developed plan
Areawide Plan
Basin Plan
State approved implementation
schedule
Federal approved water quality
standards Implementation plan
Federal enforcement procedure
or action
State court order
Federal court order
FOR AGENCY USE
001
LOC
ARE
0 BAS
0 SQS
❑ WQS •
❑ ENF
0 C R T
FED
c. Improvement Description Specify the 3-character code for the
General Action Doscrlptlon In Table 11 that best describes the
Improvements required by the Implementation schedule. If more
than one schedule applies to the facility because of a staged con-
struction schedule. state the stage of constructlon.being described
here with the appropriate general action code. submit a separate
Section III for each stage of construction planned. Also, list all
the 3-character (Specific Action) codes which describe in•more
detail the pollution abatement practices that the Implementation
schedule requires.
3-character general action TCT
description `30t�c.
3-character specific action
descriptions
SEC / DIS . / SLP / SLD /
2. Implementation Schedule and 3. Actual Completion Oates
Provide dates imposed by schedule and any actual dates of completion for Implementation steps
listed below. Indicate dates as accurately as possible. (see Instructions)
Implementation Steps
a. Preliminary plan complete
b. Final plan complete
c. Financing complete & contract
awarded
d. Site acquired
e. Begin construction
f. End construction
g. Begin Discharge
h. Operational level attained
2. Schedule (Yr /Mo /Day) 3. Actual Completion (Yr /Mo /Day)
3D2a
3024
3020
*Olt
12 1 91
3 1 93
/ /.
.3 1 93
4 1 93
10 1 93
/ /
/ /
/ /
/ /
/ /
GPO 865.707
This section contains 1 page.

•
FOR AGENCY USE]
STANDARD FORM A --MUNICIPAL
lI
SECTION LV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major Industrial faclllty discharging to the municipal system, using a separate Section IV for each facility descrip•
tion. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the Industry, the major product or raw material, the flow (in thou-
sand gallons per day). and the characteristics of the wastewater discharged from the Industrial faclllty Into the municipal system. Consult :able
(11 for standard measures of products or raw materials. (see Instructions)
1- Major Contributing Facility
(see Instructions)
Name 401 a
Number& Street
City
County
State
Zip Code
2. Primary Standard Industrial
Classification Code (See
instructions)
3. Principal Product or Raw
Material (see Instructions)
Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem In thousand gallons per day
and whether this discharge Is Inter-
mittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
40ea
401b
401c
401d
401e
401 f
402
403a
403b
404a
404b
405
N/A
N/A
N/A
N/A
thousand gallons per day
Intermittent (int) ❑ Continuous (con)
❑ Yes ❑ No
Quantity
4034
Parameter
Name
Parameter
Number
,
Value
Units (See
Table III)
GPO 865.706
IV-1
This section contains 1 page.

OPERATIONS
BUILDING
x
FROM TOWN
COLLECTION SYSTEM
0
INFLUENT
BAR
SCREEN
x FLOW METER
x
INFLUENT
PUMP STATION
CLARIFIER
OXIDATION DITCH
AERATION BASIN
RETURN SLUDGE
PUMP STATION
SLUDGE HOLDING
.1
\ .
1 •101
TOWN OF WALNUT COVE
0.5 M G D WASTEWATER TREATMENT FACILITY
PROCESS SCHEMATIC
-r.
F2
0
U
0
0
x
EXTENDED AERATION OXIDATION DITCH
HOBBS, UPCHURCH & ASSOCIATES, P.A.
OONSULTINO ENGINEERS
SOUTHERN PINES. NORTH CAROUNA 28387