NC0020036_Wasteload Allocation_19890424

NPDES DOCUMENT SCANNINO COVER SHEET
NPDES Permit:
NC0020036
Stanley WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Speculative Limits
Instream Assessment
(67b)
Environmental Assessment (EA)
Permit
History
Document Date:
April 24, 1989
This document is printed on reuse paper - ignore aay
content on the relirerse side

NPDES WASTE LOAD ALLOCATION
Design Capacity (MGD):
Domestic (X of Flow):
Industrial (X of Flow): %l7;
Comments:
PERMIT NO.: NCO° - &03G
FACILITY NAME•
1c.v� or' slaty e,✓
Facility Status: ( DOMINO PROPOSED
(circle one)
Permit Status: RENEWAL �MODR'1CA'17UTP tranatmnTED NEW
(circle one)
Malor Minors
Pipe No• 00%
xGD
Y. SopraeoSo}
RECEIVING STREAM:
him
GUJ
/4( 7/A(i
Class L
Sub -Basin• 0)3 _6 f) r 3S
Reference USGS Quad: /4 (please attach)
County:
Cn£A,
Regional Office: As Fa V' Ra Wa Wi WS
(circle ..e)
Requested By: v " Date:
Prepared By:
Reviewed By:
Date:
ate:
11/40Q,
Lf-z4-??
Modeler
Date Rec.
zkzz\ M 5132 1
Drainage Area (mi) " ' Avg. Streamflow (cfs)-
7Q10 (cfs) Winter 7Q10 (cfs) �- g% 30Q2 (cfs) D.6
4•Itazoc4rr', 7a esi4vAleicAter7C
Toxicity Limits: IWC % (circle one) Acute / sonic)
/ 0 o A G+usfi•7 urAt-tvAIQY c, eeK
Parameters ��f )o fie/. / a)-0
Upstream _L Location $o %, '
Downstream Y Location fM J ?J ad'-27
Instream Monitoring:
Effluent
Characteristics
Summer
Winter
BOD5 (mg/1)
3 0
NH3 N (mg/I)
1 /
AI,-
D.O. (mg/1)
5
s
TSS (mg/I)
3 p
3 0
F. Col. (/100m1)
1060
/000
pH (SU)
G - q
6
—1-esi
iviel cii le 'II c
‘47fLs
ace.'"—Clei.
+6 X1:47-ri
7
Comments:
f
o pp /l l 5 ✓ C.e i /
f. S �� s e� f Sa

Permit Number
Facility Name
Type of Waste
Status;
Receiving Stream
Stream Class
Subbasin
County
Regional Office
Requestor
Date of Request
Quad
WASTELOAD ALLOCATION API?
NC0020036
TOWN OF STANLgY
89% DOMESTIC 11%
EXISTING, REL0C4T104
MAUNEY CRf
. C
: 030835
: GASTON
MRO
. HARRIS
2/22/89
F14SE
Wasteflow
5-Day BCD
(mgd):
(mg/1):
Ammonia Nitrogen (mg/1):
DissolvedOxygen (mg/ 1) :
TSS (mg/1):
Fecal Ccliform (;/100m1) :
pH (SU):
RECEIVED
APR 19 1989
INDUSTRIAL
Request
RECEIVED
Mi1SION OF ENVIRONMENTAL IAARAGEME
NO
'APR 18 1989
Drainage'4lrea
Average Flow
Summer 7Q10
Winter 7Q10
30Q2
RE_OMM _D EFFLUENT LIMITS
01mu- Cret of
SL.•i: L: )WINTER
0.500 0.500
20 30
11
30
1000
6-9
NR
5
30
1000
6-9
MONITORING
A100RESVIILE
9EOIONAI O'Ffcf
(sq mi)
(cfs)
(cfs)
(cfs)
(cfs)
: 2.47
. 2 92
. 0.27
: 0.47
: 0.61
EXIST . (A
0.500
12
8
5
310
1000
6-9
No. :File
1/14.444-4,1(nC4-tok)
Upstream (Y/N): Y Location: 50 FT. UPSTREAM OF DISCHARGE
Downstream (Y/N): Y Location: @ STATE ROAD 1827
COMMENTS
S/W LIMITS RECOMMENDED FOR RELOCATION OF DISCHARGE DIRECTLY INTO MAUNEY CREEK.
EXISTING LIMITS FOR DISCHARGE INTO UT MAUNEY CREEK BASED ON DIVISION PROCEDURE
FOR EXISTING DISCHARGERS TO STREAMS WITH 7Q10=0 AND 30Q2>0.
RECOMMEND INSTREAM MONITORING FOR TEMPERATURE, DISSOLVED OXYGEN, FECAL COLI-
FORM, AND CONDUCTIVITY.
"TOXICITY REQUIREMENTS FOR BOTH EXISTING AND PROPOSED LOCATIONS ARE ATTACHED.
**PERMIT SHOULD CONTAIN LIMITS FOR THE EXISTING AND PROPOSED DISCHARGE
LOCATIONS.**
Recommended by
Reviewed by:
46'ech. Support Supervisor
Regional Supervisor
Permits & Engineering
D .a
Ds. 11-
Date Lj--j -al
40(71
MAY IS 1989
Date
RETURN TO TECHNICAL SERVICES BY

4 Ti%' 4X1Iaurb - (%ru44, p Cf£f-k
Facility Name I O 6
Permit# NC Do A6o3A
CI -IRONIC TOXICITY TESTING REQUIREMENT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity in any two consecutive toxicity tests,
using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *February 1987) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or
significant mortality is 9? % (defined as treatment two in the North Carolina procedure
document). The permit holder shall perform quarterly monitoring using this procedure to establish
compliance with the permit condition. The first test will be performed after thirty days from
issuance of this permit during the months of.TAN #7i�.T)G Ocr . Effluent
sampling for this testing shall be performed at the NPDES permitted final effluent discharge below
all treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter
code TGP3B. Additionally, DEM Form AT-1 (original) is to be sent to the following address:
Attention: Technical Services Branch
North Carolina Division of
Environmental Management
P.O. Box 27687
Raleigh, N.C. 27611
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly
monitoring will begin immediately until such time that a single test is passed. Upon passing, this
monthly test requirement will revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Environmental Management 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 and appropriate environmental controls, shall constitute an invalid test
and will require immediate retesting(within 30 days of initial monitoring event). Failure to submit
suitable test results will constitute noncompliance with monitoring requirements.
7Q10 0 cfs
Permited Flow _ p•S' MGD Recommended by:
IWC% /00
Basin & Sub -basin CTB3S'
Receiving Stream clr /hhwA/t4 CuZ
County GIOSIDnI
**Chronic Toxicity (Ceriodaphnia) P/F at 99 %, afnleR ocT , See Part 3 , Condition ti .

1 v jr755£ OE/°c4-A6N 9u frtividfi. C✓tgic
Facility Name /02wi
Permit # Ale 0 0 0 036
CHRONIC TOXICITY TESTING REQUIREMENT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity in any two consecutive toxicity tests,
using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *February 1987) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or
significant mortality is 71 % (defined as treatment two in the North Carolina procedure
document). The permit holder shall perform quarterly monitoring using this procedure to establish
compliance with the permit condition. The first test will be performed after thirty days from
issuance of this permit during the months of AU //PR t1VI- ' 7- . Effluent
sampling for this testing shall be performed at the NPDES permitted final effluent discharge below
all treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter
code TGP3B. Additionally, DEM Form AT-1 (original) is to be sent to the following address:
Attention: Technical Services Branch
North Carolina Division of
Environmental Management
P.O. Box 27687
Raleigh, N.C. 27611
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly
monitoring will begin immediately until such time that a single test is passed. Upon passing, this
monthly test requirement will revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Environmental Management 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 and appropriate environmental controls, shall constitute an invalid test
and will require immediate retesting(within 30 days of initial monitoring event). Failure to submit
suitable test results will constitute noncompliance with monitoring requirements.
7Q10 O► 27 cfs
Permited Flow 6.5.- MGD Recommended by:
IWC% 7.7
Basin & Sub -basin Crj3s
Receiving Str am Afif vii c,ta
County GASP A)
**Chronic Toxicity (Ceriodaphnia) P/F at %%, OfAlet -ac oGT", See Part 3 , Condition H

Discharger
Receiving Str
MODEL RESULTS
TOWN OF STANLY
eam : UT MAUNEY CREEK
SUMMER
MODEL @ NEW DISCHARGE INTO
MAUNEY CR.(MODEL INTO SF
The End O.G.
The End CBOD
The End NBOD
is 7.54 mg/1.
is 2. 1 5 mg/1,.
is 1. 1 6 mg/1.
Segment 1
Reach 1
Reach 2
Reach 3
Reach 4
Reach 5
Reach 6
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flo
(mg/1) Miiepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
5.05 1.15 2
45.00.. 48.00 5.00 0.50000
0.00 0.00 0.00 0.00000
0,00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000

*** MODEL SUMMARY DATA *
Discharger : TOWN OF STANLY
Receiving Stream : UT MAUNEY CREEK Stream Class:
5ubbasin : 0308
Summer 70,10 • 0.27 Winter 7Q 1 0 : 0.47
Design Temperature 4 25.0
'LENGTH!
Imile1
SLOPE' VELOCITY 1 DEPTH' Kd 1 Kd 1 Ka 1 Ka 1 KN 1 KN ( KNR 1 KNR 1 S00 1 SOD
ft/mil fps 1 ft (design' 1120° (design( @20° (design' @20° (design( @20° (design @20°
Segment 1 1 0.55
Reach 1
I I i I 1 1 1 1 1 1 1 1
29.40( 0,232 1 0.55 ( 0.48 ( 0.38 113.69 1 12,281 0.73 ( 0.50 1 0,73 (0,00 1 0.00 ( 0.00
Segment 1
Reach 2
0.95
17.801 0.195 i 0.61 1 0,38 ! 0,30 1 6.98 1 6.261 0.44 1 0.30 10.44 1 0.00 1 0.00 1 0.00
Segment 1
Reach 3
0.25
11.801 0.189 1 0,86 1 0,37 1 0.29 1 6.76 1 6.061 0.44 1 0.30 1 0.44 1 0,00 1 0.00 10,00
Segment 1
Reach 4
0,40
17.801 0.196 1 0.67 1 0.37 1 0.29 1 7,00 1 6.281 0.44 1 0.30 1 0.44 1 0.00 1 0.00 (0.00
Segment 1
Reach 5
0.72
11.80) 0.195 1 0.69 1 0,31 1 0.29 1 6.97 1 6.251 0.44 1 0.30 1 0,44 1 0,00 1 0.00 1 0.00
Segment 1
Reach 6
1.00
4.801 0.688 13.27 1 0,29 1 0.23 ( 3,24 ! 2.9010,44 10.30 1 0,44 1 0.00 1 0.00 1 0,00
1 Flow ow 1 CBOD I NBCAL:; 1 0.0 . 1
I c f s 1 mg/ 1 1 mg/11 mg/ 1
Segment 1 Reach 1
Waste 1 0.775 1 45.000 1 48.000 1 5.000
Headwaters ( 0.270 1 2.000 I 1.000 1 7.440
Tr-ibutary 1 0.000 1 2.000 1 1,000 1 7.440
* Runoff 1 0.060 1 2.000 1 1.000 1 7.440
'Segment 1 Reach 2
17asti 1 0.000
Tributary 1 0,000
* Runoff 1 0.060
Segment 1 Reach 3
Waste 1 0.000
Tributary 1 0.120
* Runoff 1 0.000
0.000
2.000
2.000
0.000
2.000
2.000
0.000
1.000
1.000
0.000
1.000
1.000
0.000
7.440
7.440
0.000
7,440
7,440

Segment 1 Reach 4
Waste 1 0.000 I 0.000
Tributary 1 0.030 1 2.000
* Runoff 1 0.000 I 2.000
0.000
1.000
1.000
0.000
7.440
7.440
Segment 1 Reach 5
Waste 1 0.000
Tributary 1 0.000
* Runoff 1 0.140
Segment 1 Reach 6
Waste 1 0.000
Tributary 1109.000
* Runoff 1 0.000
0.000 1
2.000 1
2.000 I
0.000
2.000
2.000
* Runoff flow is in cfs/mile
0.000
1.000
1.000
0.000
1.000
1.000
0.000
7.440
7.440
0.000
7.440
7.440

I Seg # I Reach # I 5eg Mi I D.O. I CBOD
1 1 0.00 5.63 33.89
? 1 0.05 5.56 33.58
1 1 0.10 5.50 33.28
1 1 0. 1 5 5.46 32.08
1 1 0.20 5,43 32.69
1 1 0.25 5.42 32.39
1 1 0.30 5.41 3 2. 1 0
1 1 0.35 5.41 31-82
1 1 0.40 5.41 31.53
1 1 0.45 5.42 3 1 .25
1 1 0.50 5.43 30.97
1 1 0.55 5.44 30.69
1 2 0.55 5.44 30.69
1 2 0.60 5.36 30.43
1 2 0.65 5.30 30.17
1 2 0.70 5.24 29.92
1 2 0.75 5,19 29.66
1 2 0.80 5.15 29.41
1 2 0.85 5.12 29.16
1 2 0,90 5.10 28.92
1 2 0.95 5.08 28.67
1 2 1.00 5.06 28.43
1 2 1.05 5.05 28.19
1 2 1.10 5.05 27.95
1 2 1.15 5.05 27.72
1 2 1.20 5.05 27.48
1 2 1.25 5.05 27.25
1 9 1.30 5.06 27.02
1 2 1.35 5.07 26.79
1 2 1.40 5.08 26.57
1 2 1.45 5.09 26.35
1 2 1.50 5.11 26.13
1 3 1.50 5.33 23.82
1 3 1.55 5.34 23-68
1 3 1.60 5.35 23.54
i 3 1.65 5.36 23.40
1 3 1.70 5.38 23.26
1 3 1.75 5.39 23.12
1 4 1.75 5.51 21.66
1 4 1.79 5.53 21.76
1 4 1.83 5.55 21.66
1 4 1.87 5.57 21.56
1 4 1.91 5.59 21.46
1 4 1.95 5.61 21.36
1 4 1.99 5.62 21.26
1 4 2.03 5.64 21.16
1 4 2.07 5.66 21.07
1 4 2.11 5.67 20.97
1 4 2.15 5.69 20.87
1 5 2.15 5.69 20.87
1 5 2.18 5.71 20.74
1 5 2.21 5.72 20.61
1 5 2.24 5.74 20.48
1 5 2.27 5.76 20.35
1 5 2.30 5.77 20.23
1 5 2.33 5.79 20.10
1 5 2.36 5.81 19.98
1 5 2.39 5.82 19.85
1 5 2.42 5.84- 19.73
SUMMER
MODEL @ NEW DISCHARGE INTO
iv1AUNEY CR. {lti1ODEL INTO SF
N B O D I Flow I
35.86 1.04
35.41 1.05
34.97 1.05
34.54 1.05
34.11 1.06
33.69 1.06
33.28 1.06
32.87 1.07
32.46 1.07
32.06 1.07
31.67 1.07
3 1 . 28 1.08
31.28 1.08
30.98 1.08
30.69 1.08
30.39 1.09
30.10 1.09
29.82 1.09
29.53 1,10
29.25 1-10
28.98 1 . 10
28.70 1.10
28.43 1.11
28.16 1.11
27.90 1.11
27.63 1.12
27.37 1.12
27.11 1.12
26.86 1 . 13
26.61 1 . 13
26.36 1.13
26.11 1.13
23,71 1.25
23.54 1.25
23.37 1.25
23.21 1.25
23.04 1.25
22.88 1.25
21.57 1.33
21.45 1.33
21.33 1.33
21.22 1.33
21.10 1.33
20.98 1.33
20.87 1.32
20.75 1.33
20.64 1.33
20.53 1.33
20.41 1.33
20.41 1.33
20.27 1.34
20.19 1.34
19.98 1.35
19.84 1 .3 5
19.70 1.36
19.56 1.36
19.42 1.36
19.29 1.37
19.15 1.37

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Seg
#
5 2.45 5.86 19.61 19.02 1.38
5 2.48 5.67 19,49 18,88 1 . 36
5 2.51 5.89 19.37 18.75 1.39
5 2.54 5.90 19.25 18.62 1.39
5 2.57 5.92 19.13 18.49 1.39
5 2.60 5.93 19.01 18.36 1.40
5 2.63 5.95 18.90 18.24 1.40
5 2.66 5.96 18.78 1 8. 1 1 1 .4 1
5 2.69 5.98 18.67 17.98 1,41
5 2.72 5.99 18.55 17.86 1.41
5 2.75 6.01 18.44 17.73 1.42
5 2,78 6.02 18.33 17.61 1.42
5 2.81 6.04 18.22 17.49 1.43
5 2.84 6.05 18.11 17.37 1.43
5 2.87 6.07 18.00 17.25 1.44
6 2.87 7.42 2.21 1.21 110.44
6 2.97 7.44 2.20 1.21 110.44
6 3.07 7.45 2.20 1.20 110.44
6 3,17 7.46 2.19 1.20 110,44
6 3.27 7.47 2.19 1.19 110,44
6 3.37 7.49 2.18 1.19 110.44
6 3.47 7.50 2.17 1.18 110,44
6 3.57 7.51 2.17 1.18 110.44
6 3.67 7.52 2.16 1.17 110.44
6 3.77 7,53 2.16 1.17 110.44
6 3.87 7.54 2.15 1.16 110.44
ReiFAch # I so. Mi I D .O. I CBOD I NBOD 1 Flow I

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stir
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INSTREAM SELF -MONITORING DATA
MONTHLY AVERAGES
Discharger: / d/ --/4/,// Permit No.: NCOO 0-0631
Receiving Stream:) Ut Al c 2 th Sub -basin: d3i -
=.;pstream Location: /0 , „/rh Downstream Location ioo ,
Upstream Downstream
Elf'? T' I P DSO . BOD 5 COND . T oMP D.O. BOD5 COND
8$ 6, 7 //
c-6
i•TOV-88 _.Lz /0 /0 /v
•
OCT— 88 _ J 5
EP-88 P/ 9.8 7- _
ArkUG- 8 ° ZZ Al- 23 Z i
JUL-88 23 JAL e3 /O.S
+SUN-88__ 9 d 23 g.3
MAY- 8 8 /9 8• e A 3
rP -88 /f 9,s /' 43
MAR-88 9 /Z /7/
,•EB-88 //.A .s•8 //¢
JAN-88 /1,3 .__ /Z.-,
DEC-87 / / _ _.L_ 9,2
NOV-8 i /3 /o, f /3 7, 9'
::T -87 iS 1 / _./3 8.7
SEP-8 7 Z/ _Z Zz S. 9
..,
AU-87 zL 1,3 _ Z3 s,Ps—
JUL -87
; UN - 8 7 /9 7, % _ z/ S, ?—
MAY— 87 -/G 2=-2- /7 7" f
APR-87 /3 9,o / / s.
'iT:R-87 16,.3 9,S f, S /v-�
i E3-87 , /,T 73 /o.7
J AN - 8 7 _- /v,,f y s-- //, °
DEC-86� /6, i 6 /0, 9
NOV - 8 6 _I__
j Z� 9, // 9,7
OCR'-86 M 7, 9 /6 tr. Z
::EP-86 Id_ y,2 _ zo 7 9
AUG-86 2/ ILL_zz- 7,3
JUL-86 73 2 6.8
UN-86 2/ 7,9 3 7,l
MAY-86 /,G _ Zd 7,
APR- 8 6 /. (,. —7 �,er
HAR-86 /3 9,.3/z /d.3
FEB-86 9 /0,6 �r /L
3TN-86 g Pill _ G,6 /z,J
DEC-85
NOV - 8 5
OCT - 8 5
SEP-85
AUG-85
JUL-85
JUN-85
MAY-85
APR-85
MAR-85
FEB-85
JAN-85

NPDES PRETREAT W TI' INFORMATION REQUEST FORM
FACILITY NAME:
REQUESTER:
7;wrt_ o 5I' h /.cy NPDES NO. N00 0 Z 0 a 3 6
DATE: Z /17 IS-1 RFZION:
Mir
PENT CONDITIONS COVERING PR •
XThis facility has no SIUs and should not have
This facility should and/or is developingpretreatment language'
a pretreatment program.
Please include the following conditions:
Program Development
Phase I due / /
Phase II due / /
Additional
Conditions
This facility is currentl (attached)
Please include the followingconditions:
ions•a Pretreatment program.
Program Implementation
Additional Conditions
(attached)
SIGNIFICANT INDUSTRIAL USERS' (SIUs) CONTRIBUTIONS
SIU Frix,i - TOTAL:
-- COM OSITION :
TEXTILE:
METAL FINISHING:
OTHER:
MGD
msD
ma)
MOD
HMDWORKS REVIEW
PARAMETER
Cd
Cr
Cu
Ni
Pb
Zn
CN
Phenol
Other
DAILY LOAD IN LBS/DAY
i ALL04+1BLE DTIC PERMITTED RESERVE BASIS'
RECEIVED: / / REVIEWED BY:

State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor December 30, 1988 R. Paul Wilms
S. Thomas Rhodes, SecretaryDirector
Mr. Mike Wolfe
WK Dixon
1924 Cleveland Avenue
Charlotte, NC 28203
Subject: Town of. Stanly Relocation
NPDES Permit No. NC0020036
Dear Mr. Wolfe,
Technical Services has prepared a speculative wasteioad ana-
lysis for the relocationof the Town of Stanly' s WWTP . A Level-B
modeling analysis was used for both wasteflows (0.5 MGD and 1.0
MGD) to determine the impact of dissolved oxygen (D.0.) on Mauney
Creek and Hoyle Creek. The Stanly WWTP will have to relocate its
discharge 2.5 miles downstreamof current outfall (see site 1 on
attached map) to Hoyle Creek below the confluence with Mauney
Creek, in order to receive secondary limits for either flow. If
the Town wishes to :relocate approximately 0.3 mile downstream to
Mauney Creek below the confluence with the UT where the current
discharge is located, (see site 2 on attached map) their limits
for both wasteflows would be as follows:
Summer Winter
Wasteflow (MGD) 0.5 or 1.0 0.5 or 1.0
BOD5 (mg/l) 30 30
NH3N (mg/1) 11 -
DO (mng/1) * 5 5
TSS (mg/1) 30 30
Fecal Coliform (# / 100m1) 1000 1000
pH (SU) 6-9 6-9
Please remember that these are only proposed limits resulting
from a speculative wasteload allocation analysis. If the Town of
Stanly does decide to relocate their discharge site to Mauney
Creek or Hoyle Creek, they will need to submit a formal applica-
tion to our permitting section before any modification of their
permit can be finalized.
Pollution Prerention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

If you have any further questions regarding this matter,
please contact me at [phone], ext. 514.
Sincerely,
Carla Sanderson
Technical Support Unit
Water Quality Section
cc: Trevor Clements, Technical Services, DEM
Kent Wiggins, Operations, DEM
Ron Phelps, MRO
WLA File
Central Files

:Z" Oni+ed 6-1645 Geolcal 5urvej
Map M. C145(k)
GagtoK.AcLAtor4-hiN,C,
305
• 786
ibra
76
r
\ _ -
• .... ;
Mountain View-
_• th
II
uU\\-/(11,-, • -
/ .
‘• 117--"
Jag
3913
590 000
FEET
3911
w
20'
3909
3908
3907

Uh•1-;ed Geo1 s i (al Serve j
F11-1.6E
onouM. E lO N.C.
0`ti�- UNITED STATES
DEPARTMENT OF THE INTERIOR
9`S,% GEOLOGICAL SURVEY
81 °07'30" ; 489000m.E 490 AL XIS 2.5 MI. 1491
35 ° 22'30"
3914000m.N.
3913
3912
3911
20'
',;ricos
1 /\\ _ . Jj � ez5�
mac" ,.. �_ -p' •: �r 2_.
---�: S ringfield - 0 ,_.. J r L
Sc. - a28
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=": _ C Cam.,
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i
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/ .
:

&odd
5.ec vio 161114 ,246(4o. 115,16410Y
I !
•
foe c-Moo-f-/A, May/ otzt,k,
FO
d*&i- 0.30- (.406-1-, oa) e5 :70.0to
ma) ,3g-ff,n) odi
34?"/,' 64aosa-(,g5t Idql 1403) .6)5=
eiteA,+
o.(45ntii. 2 L=a,56"
tritt):5°..0
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71ooLio- -i- ,b5)
0,0V f e561).=
=
?0 ,CCp OLP 0 0
OM a. I. 0
Fo 60= 0. it/ 0.76/ I /.1
osq,4 rl I rl*
1 re 19 10.5 1' R • 121 710-4: 0 2
el(011F .3g 100)=- lotoz--.1(1
0.4= 45-
M o40 -=- o5i/3f e6P5, Ori&IXF13-41 DO
1. 0 ja..,114j4Eas /54654AntAt

�
-
----- MODEL RESULTS -
Discharger TOWN TOWN OF STANLY
Receiving Stream { : UT MAUNEY CREEK
The End D.O. is 4,.51 mg/l.
The End CBOD is 20.87 mg/l"
The End NBOD is 37.98 mg/l.
Segment 1
Reach 1
Reach 2
Reach 3
Reach 4
DO
(mg Milepoint Reach #
3.55 1.15 2
SUMMER
MAUNEY CR. BELOW CONFLUENCE OF
UT WHERE EXISTING PLANT LOCATE
^
WLA WLA WLA
CBOD NBOD DO Waste Flow
(mg/l) (mg/l) (mg/l) (mgd)
45.00 90.00
0.00 0.00
0.00 0.O0
0.00 0.00
5.00
0.00
0.00
0.00
0.50000
0.00000
0.00000
0.00000

.
Discharger
Receiving Stream
---------- MODEL RE8ULTG
:
:
The End D.O. is 7.44 mg/l.
The End CBOD is 6.70 mg/l.
The End NBOD is 10.67 mg/l.
Segment 1
Reach 1
Reach 2
Reach 3
~
SUMMER
MODEL RUN AT 1.5 MILES DOWN-
STREAM
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/l) Milepoint Reach # (mg/l) (mg/l) (mg/1) (mgd>
4.18 0.65 2
45.00 90.00
0.00 0.00
0.00 0.00
5.00
0.00
0.00
0.50000
0.00000

•
(.5)
• ( %,5=13 C l.o)
Wa s tef l ow (MGD
)
mmer/Winter (circle one)nov.0e Vr
i
4-
I
i
1
t
So 0
c2
!d
•
•
•
S /a
1
•
ai)
NH3-N (mg/1)
Potential effluent limit combinations:
B0D5 NH3mN
15
�35 r a
1
1
}
1
.10
i
1
8s/4
•
Comments:_

bccd
FacLc-1 1
`)0
Bo7if).5r: ,q_
()Iw-d
TIC; 3/
are jrig
{
nt-ouI-mA- c Gt.t..de
&r,f., 3
L- . (fi
g
v . =(33-3a): f-JCf
FO 0
5
=15.3-5-y7c =,iq
�v a.- -
(O53--( ); ,7 - 1, 71s ma's
PO%I0, =(/bit- )D`h
Fkqco =pop- /4qX-1:--- .4

-
/ N�k� �up*��
SUMMEV:f `
\ 0MODEL RUN A' 0.5 |i6D AND
SECONDARY LIMITS (NO D.O.)
---------- MODEL RFSULTS ---
Discharger | : TOWN OF STANLY WWTP
Receiving Stream! : UT MAUNEY CREEK
The End 0.0. is 7.93 mg/1.
The End CBOD is 2.19 mg/l.
The End NBOD is 1.51 mg/l.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg /l) Milepoint Reach # (mg/1) (mg/1) (mg/]) (mgd)
______ _________ _______ ____ ____ __ -------------
Segment 1 6.47 0.00 1
Reach 1 45.00 90.00 0.00 0.50000
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000

* •* MODEL SUMMARY DATA • **
Discharger a TOWN OF STANLY WWTP
P
Receiving Stream a UT MAUNEY CREE1•'•.
Summer 7L 10 n 0.56
Design Temperature % 25.
Subbar i. i D 030E13
Stream Class: C
Winter 7010 = 1.
I LENGTH 1 SLOFE 1 VELOCITY 1 DEPTH I Kd 1 Kd 1 Ka 1 Ka 1 KN 1 KN 1 KNR 1 KNR 1
1 mile 1 ft/mil fps 1 ft Idesign1 420° Idesign1 a20° ldesignl 820° ldesignl a20y 1
1 I 1 I 1 I 1 I I 1 I 1 I
Segment 1 1 0.721 17.801 0.325 1 1.11 1 0.37 1 0.29 111.61 1 10.411 0.44 1 0.30 1 0.44 1 0.00 1
Reach 1 l 11 1 1 1 1 1 1 1 1 1 1
I 1 11 1 1 1 1 1 1 1 1 1
Segment 1 1 1.101 17.801 i1.004 12.70 1 0.40 1 0.32 117.53 1 15.721 0.44 1 0.30 1 0.44 1 0.00 1
Reach 2 l 1 1 1 1 1 1 1 1 1 1 1 1
I 1 1` 1 1 1 1 1 1 1 1 1 1
Segment 1 1 0.601 4.801 i0.686. 1 3.27 1 0.29 1 0.23 1 3.23 1 2.901 0.44 1 0.30 1 0.44 1 0.00 1
Reach 3 1 1 1 I I 1 1 1 1 1 1 I 1 I
1 Flow 1 CEO)) 1 1\II3OD 1 D.O. 1
1 cfs 1 mg/1 1 tngl1 I mg/ 1 I
Segment 1 Reach 1
Waste 1 0.775 1 45.000 1 90.000 1 0.000
Head va t er s 1 0.560 I 2.000 I 1.000 I 7.440
Tributary 1 4.640 I P..000 1 1.000 1 7.440
'k Runoff 1 0.140 I 2.000 1 1.000 a 7.440
Segment 1 Reach 2
Waste 1 0.000 I 0.000 1 0.000 I 0.0i ;0
Tributary 1103.700 1 P.000 1 1.000 I 7.440
• Runoff 1 0.000 1 2.000 I 1.000 I 7.440
Segment 1. Reach 3
Waste 1 0.000 1 0.000 1 0.000 I 0.000
Tributary I 0.000 1 2.000 I 1.000 1 7.440
•Y Runoff 1 0.000 a0 1 2.000 I 1.000 1 .7.440
Runoff flow is in cfs/mile

| Seg
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
I Geg
# | Reach #
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
3
3
8
3
3
3
3
3
3
3
3
# i Reach #
SUMMER
MODEL AT MTH OF MAUNEY CR
1_IM=O.5MGD & SECONDARY
) Geg Mi I D.O. | CBOD i NBOD } Flow |
0.00 6.47 7.58 12.54 5.97
()..Of,.6.57 7.55 12.49 5.98
0.08 6.65 7.52 12.44 5.99
0.12 6.72 7.50 12.39 5.99
0.16 6.79 7.47 12.34 6.00
0.20 6.86 7.45 12.28 6.00
0.24 6.92 7.42 12.28 6.01
0.28 6.97 7.40 12.18 6"01
0.32 7.02 7.37 12.18 6.02
0.86 7.07 7"34 12"08 6.03
0.40 7,11 7"32 12.03 6.03
0"44 7.15 7.29 11.98 6.04
0.48 7.18 7.27 11.93 6"04
0.52 7.22 7.24 11.88 6.05
0.56 7"25 7.22 11.83 6.05
0.60 7.28 7.19 11.78 6.06
0.64 7.30 7.17 11.73 6.06
0.68 7"33 7.14 11.69 6.07
0.72 7.35 7.12 11.64 6.08
0.72 7.43 2.28 1.59 109.78
0.82 7.51 2.28 1.58 109.78
0.92 7.58 2.27 1.58 109.78
1.02 7.64 2.27 1.58 109.78
1.12 7.69 2.26 1.57 1091,78
1.22 7.74 2.26 1.57 109.78
1.32 7.78 2.25 1.56 109"78
1.42 7.82 2.24 1.56 109.78
1.52 7.86 2.24 1.56 109.78
1.62 7.89 2.23 1.55 109.78
1.72 7.92 2.23 1.55 109.78
1.82 7.94 2.22 1.54 109.78
1.82 7.94 2.22 1.54 109.78
1.88 7.94 2.22 1.54 109.78
1"94 7.94 2.22 1.54 109.78
2.00 7.94 2.21 1.53 109.78
2.06 7.94 2.21 1.53 109"78
2.12 7.93 2.21 1.52 109.78
2.18 7.93 2.20 1.52 109.78
2.24 7.93 2.20 1.52 109.78
2.30 7.93 2.20 1.51 109.78
2.36 7.93 2.19 1.51 109.78
2.42 7.93 2.19 1.51 109.78
1 Seg Mi | D.O. ) CBOD } NBOD | Flow |

r
�
~
,
Discharger
Receiving Stream
SUMMER
MODEL RUN AT 1.0 MGD AND
SECONDARY LIMITG (NO D.O.>
---- MODEL RESULTS ----------
: TOWN OF STANLY WWTP
o UT MAUNEY CREEK
The End D.O. is 7"89 mg/l.
The End CBOD is 2.46 mg/l.
The End NBOD is 2.07 mg/l.
Segment 1
Reach ` 1
Reach 2
Reach 3
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/l) (mg/l) (mg/l) (mg(:I)
5.73 0.00 1
45.00 90.00
0"00 0.00
0.00 0.00
0.00
0"00
1"00000
0.00000

Discharger
Receiving Stream
Summer 7Q1O
*** MODEL SUMMARY DATA ***
TOWN OF STANLY WWTP
UT MAUNEY CREEK
0.56
Design Temperature: 25.
Subbasin : 030835
Stream Class: C
Winter 7Q1O : 1.
!LENGTH} SLOPE! VELOCITY 1 OEPTH! Kd I Kd 1 Ka 1 Ka 1 KN 1 KN 1 KNR 1 KNR
I mile 1 ftimil fps 1 ft ldesignl 820° ldesignl 820° Idesignl 0200 Idesignl 220° 1
Segment 1
Reach 1
1 1 1 1 1 1 1 1 1 1 I 1 1
I 0.721 17.801 0.356 1 1.13 1 0.38 1 0.30 112,71 111.401 0.44 1 0.30 1 0.44 1 0.00 I
I 1 1 1 1 1 1 I 1 1 I 1 (
Segment 1
Reach 2
1 I 1 1 1 1 I 1 1 I 1 1 I
1 1.101 17.801 1.009 1 2.70 10.40 10.32 117.62 1 15.811 0.44 1 0.30 1 0.44 1 0.00 1
1 1 1 1 1 1 1 1 1 1 1 1 1
Segment 1
Reach 3
1 1 1 1 1 1 I 1 1 1 1 1 1
1 0.601 4.801 0.690 1 3.27 1 0.29 10.23 1 3.25 I 2.911 0.44 1 0.30 10.44 10.00 1
I 1 1! I 1 1 1 1 I 1 1 I 1
Segment
I Flow I CBOD I I\IBOD I
I cfs 1 mg ; 1 I mg/1 1
1 Reach 1
Waste; 1
Headwaters!
Tributary I
• Runoff I
Segment 1
Waste
TribL1tary
* Runoff
Segment 1
Waste
Tvibu'tary
* Runr::' ff
1.550
0.560
4.640
0.140
Reach 2
I 0.000
1 1.03„7t 0
1 0.000
145.000
I P.000
I P:,t)00
1 P.000
0.000
2.000
2.000
1 2 . tli„lO
I 2.000
90.000
1.000
1.000
1.000
0.000
1.000
1.t:)00
1 0.000
1 1.. t„) i„) i„)
1 1.000
* Runc'ff flow its in cfs/rni:l.e
D.O. 1
mg/1 I
0.000
7.440
7.440
'.7„44i)
I 0.000
1 7.440
1 7.440
1 0.000
I 7.440
I 7.440

| Geg
1
#
| Reach
1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
J. 1
1 1
1 1
1 1
1 1
1 1
1
1
1
1
1
1
1
1
1
1
1
1 2
1 2
1 2
1 2
1 2
1 3
1 3
1 8
1 3
1 3
1 3
1 3
1 3
1 3
1 8
1 3
}Seg#|Reach #
#
1
1
1
1
2
ro ru ro n.) ro IV
/ SUMMER
MODEL AT MTH OF MAUNEY CR
LIM=1MGD & SECONDARY
| Geg Mi. | D.O. | CBOD 1 NBOD | Flow I
0.00 5.73 11.87 21.44 6.75
0.04 5.85 11.88 21.86 6.76
0.08 5"96 11.80 21.27 6.76
0.12 6.07 11.76 21.19 6.77
0.16 6.16 11.72 21.11 6.77
0.20 6.25 11.68 21.08 6.78
0.24 6.33 11.64 20.95 6.78
0.28 6.40 11.60 20.87 6.79
0.32 6.47 11.57 20.79 6.79
0.36 6"53 11.53 20.71 6.80
0.40 6.58 11.49 20"68 6.81
0"44 6.64 11.45 20.56 6.81
0.48 6.69 11.41 20.48 6.82
0.52 6.73 11.38 20.40 6.82
0.56 6.77 11.34 20.32 6.83
0.60 6.81 11.30 20.25 6.83
0.64 6.84 11.26 20.17 6.84
0.68 6.88 11.23 20.09 6.85
0.72 6.91 11.19 20.02 6"85
0.72 7.41 2.57 2.18 110.55
0.82 7.48 2.56 2.17 110.55
0.92 7.55 2.56 2.17 110.55
1.02 7.61 2.55 2.16 110.55
1"12 7.66 2.54 2.16 110.55
1.22 7.71 2.54 2.15 110.55
1.32 7.76 2.53 2.14 110.55
1.42 7.80 2.53 2.14 110.55
1.52 7.83 2.52 2.13 110.55
1.62 7.86 2.51 2.13 110.55
1.72 7.89 2.51 2.12 110.55
1.82 7.92 2.50 2.12 110.55
1.82 7.92 2.50 2.12 110.55
1.88 7.92 2.50 2.11 110.55
1.94 7.91 2.49 2.11 110.55
2.00 7.91 2.49 2.10 110.55
2.06 7.91 2.49 2.10 110.55
2.12 7.91 2.48 2.09 110.55
2.18 7.90 2.48 2.09 11A"55
2.24 7.90 2.47 '2.08 110.55
2.30 7.90 2.47 2.08 110.55
2.36 7.90 2.47 2.07 110~55
2.42 7.89 2.46 2.07 110.55
} 8eg Mi | D.O. } CBOD | NBOD I Flow |

A RE,ror'\ 1
U0
c
0 (ogO
d &IP0
Gy0
boo
city
Vico
st r eq. : 401r.v.igzt avihk)A.
ov (4. (s)
Ce,c1,w N
?
L
1'tAist m
Slo e Calcu k atio rt s
ls�vo-tat= 1 , ( f
4.05 ,CAB)-
ic-1,84-prvc
080
(ao (� a6
o
CuM
dist
dist slop
0
�� US
•
•
•
•
, 5 I.) i.S ,).) c2s ..v 3.5 4.0
1• +