NC0026441_Wasteload Allocation_19861022

NPDES DOCUMENT SCANNINL COVER SNEET
NPDES Permit:
NCO026441
Siler City WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Engineering Alternatives Analysis
201 Facilities Plan
Instream Assessment
Permit History
Date Range:
Document Date:
October 22, 1986
THIS DOCWMENT IS PRINTED ON REUSE PAPER - H:NORE ANY CONTENT ON THE
REVERSE SIDE

NPDES WASTE LOAD ALLOCATION
to ineer
Date R c.
�
1 ,3 8 .
Facility Name: T6WN 6F 5)LE(2 c.(74Y Date („�194f(,
Existing
Proposed O Permit No.: Rco6 2-(,4 1 Pipe [b.: CCU ( County: (fq,*76OW-0
Design Capacity (MGD): 47 Industrial (%of Flow): Domestic (%of Flow): " ZS
Receiving Stream: LoyE3 <ne&--6X Class: Sub -Basin: 03-0(n-/Z
Reference USGS Quad: E-2l -A16f (Please attach) Requestor: $P_/DUE3 Regional Office IeR6
SfC6Z c/T/1
(Guideline limitations, if applicable, are to be listed on the back of this form.)
Design Temp.: Drainage Area (mil): 7. i Avg. Streamflow (cfs): ,7
7Q10 (cfs) Winter 70_0 (cfs) 04 30Q2 (cfs)
Location of D.O. minimum (miles below outfall): .2•1 Slope (fpm) 47.(.
Velocity (fps) : b • ¢I K1 (b"!;,— may) : n . Fr 2 K2 () 37. irl
des' J" esiIn
.�
Effluent
Characteristics
Monthly
Average
Comments
O,b
1S M L
N Up
/o L-
a o
S �-
I .--C
CUI� �h
000 00 h7
w * Jer
Effluent i
Characteristics
:7onthly
Lverage
Comments
,5 '60.17
O r" L
o
�S
s S
a3f, �.
Co h 4v /*1
1000 o **
N
to
Origin a o rfO Comments
Yo:
� ation 0
R VP�
O nit ation
J/1�Prepared By: W /(l/f Reviewed By
V
/ Date: 1012 L�b(�

Request No. :3298
--------------------- WASTELOAD ALLOCATION APPROVAL FORM
Facility Name
Type of Waste
Status
Receiving Stream
Stream Class
Subbasin
County
Regional Office
Requestor
Date of Request
Quad
: TOWN OF SILER CITY
: 75% INDUSTRIAL. 25% DOMESTIC
: EXISTING
: LOVES CREEK
C
030612
CHATHAM
RECEIVED
SEP 3 0 i ?
RALEIGH REGIONAL OFFICE
: RALEIGH
Drainage Area
(sq mi)
: 7.9
: S. BRIDGES
Summer 7QiO
(cfs)
: 0.2
: 6-18-86
Winter 7010
(cfs)
: 0.4
: E 21 NW
Average Flow
(cfs)
: 8.7
RECOMMENDED EFFLUENT LIMITS
: SUMMER WINTER
Wasteflow (mgd): 1.8 1.8
5-Day BOD (mg/1): 15 30
Ammonia Nitrogen (mg/1): 10 --
Dissolved Oxygen (mg/1): 5 5
TSS (mg/1): 30 30
Fecal Coliform (#/100ml): 1000 1000
pH (SU): 6-9 6-9
---------- {��14i� --------- COMMENTS ---------------------------------
SINCE SUMMER he%=55} AND 55 X 2 = 110 < WINTER MODEL RUN r SECONDARY LIMITS
GIVEN FOR WINTER.
PREVIOUS WLA HAD LIMITS OF BOD5=17 MG/L NH3=6 MG/L.
SINCE MOST OF THE INDUSTRIAL WASTE IS BOD (FROM ANIMAL PROCESSING)} THE
ENTIRE 1.8 MGD WAS USED IN RUNNING THE MODEL.
Recommended by
Reviewed by:
Tech. Support Supervisor
Regional Supervisor
Permits & Engineering
Date
Date _-�w`�JEs'
Date_/
Date--��%�A_lj
0

3
# MODEL SUMMARY DATA *•*
Discharger : TOWN OF SILER CITY Subbasin : 030612
Receiving Stream : LOVES CREEK Stream Class: C
Summer 7Q1O : 0.2 Winter 7Q1O : 0.4
Design Temperatures 24.
ILEN6TH1 SLOPE! VELOCITY 1 DEPTHS K1 1 K1 1 K2 ! K2 1 KN 1 KN : KKR : KNR 1
1 mile 1 ft/mil fps 1 ft Idesign! 020' ►design! 0201 !design! 0200 !design! 0201 1
------------------------- -- ----- ---------- ----- ter--------------------------
i I I 1 1 11 1 1 1 1 1 1 I
Segment 1 1 0.42: 47.60: 0.405 1 0.70 1 0.62 1 0.69 137.91 1 34.661 0.00 1 0.00 1 0.00 ! 0.00 1
Reach 1 1 l Is I 1 1 I ! 1 I 1 1 1
Segment 1 1 2.001 11.501 0.267 1 0.66 1 0.51 ► 0.43 1 6.04 1 5.541 0.00 1 0.00 10.00 1 0.00 1
Reach 2 1 1 Is I 1 1 1 : I 1 : 1 1
--N------------------------M------MM-------------------------N------M-------------------------
1
Flaw
1 CBOD 1
NBOD 1
D.O. 1
!
cfs
1 mg/l 1
mg/l I
mg/l I
Segment 1 Reach 1
Waste :
2.790
1 55.000 1
0.000 1
5.O00
Headwaters!
0.200
1 2.000 1
0.000 1
7.650
Tributary 1
0.000
1 O.0O0 I
0.O00 !
0.000
Runoff 1
0.000
1 0.000 1
0.000 I
0.000
Segment 1 Reach 2
Waste 1 0.000 I
Tributary 1 0.000 1
* Runoff 1 0.000 1
0.000 1 0.000 1 0.000
0.000 I 0.000 ! 0.000
0.000 ! 0.000 1 0.000
* Runoff flow is in cfs/mile

----------- MODEL RESULTS ----
Discharger : TOWN OF SILER CITY
Receiving Stream : LOVES CREEK;
--------------------------------------------------
The End D.O. is 5.12 mg/l.
The End CBOD is 38.62 mg/l.
The End NBOD is 0.00 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
3.10 2.10 2
Reach 1
55
0.00
5.00
1.80000
Reach 2
0
0.00
0.00
0.00000

---------- MODEL RESULTS ----
Discharger : TOWN OF SILER CITY
Receiving Stream : LOVES CREEK
-------------------------------------------------
The Enid D.O. is 5.49 mg/l.
The End CBOD is 75.46 mg/l.
The End NPOD is 0.00 mg/l.
-------------------------------------------------
Segment 1
Reach 1
Reach 2
WLA
WLA
WLA
DO Min
CEOD
NPOD
DO
Waste Flaw
(mg/1) Milepoint Reach #
----------------------
(mg/1)
----
(mg/1)
----
(mg/1)
--
(mgd)
----------
5.41 2.70 2
110
0.00
5.00
1.80000
0
0.00
0.00
0.00000

*** MODEL SUMMARY DATA ***
U-*;fr
Discharger : TOWN OF S1LER CITY Subbasin : 030612
Receiving Stream : LOVES CREEK Stream Class. C
Summer 7Q1O : 0.2 Winter 7010 : 0.4
Design Temperature: 14.
!LENGTH! SLOPE! VELOCITY 1 DEPTH! KI : KI 1 K2 : K2 : KN 1 KN 1 KNR 1 KNR :
1 mile 1 ft/mi! fps 1 ft !design: 120' !design! a20' !design! 320' !design! 1204 1
1
Segment 1 1 0.421 47.60: 0.425 ! 0.71 1 0.53 : 0.70 :31.93 1 36.391 0.00 1 0.00 1 0.00 1 0.00 1
Reach 1 1 : : : 1 : : : : : : : :
Segment 1 1 3.001 11.501 0.281 1 0.87 1 0.33 : 0.43 1 5.10 1 5.811 0.00 1 0.00 1 0.00 : 0.00 1
Reach 2: I : 1 : : : 1 : 1 I
1 Flow 1 CBOI) :
1 cfs 1 mg/1 1
Segment 1 Reach 1
Waste : 2.790 1110.000 :
Headwaters! 0.400 1 2.000 1
Tributary 1 O.000 1 0.000 1
* Runoff 1 0.000 1 0.000 :
Segment i Reach 2
Waste ! 0.000 : 0.000 :
Tributary 1 0.000 1 0.000 1
* Runoff : 0.000 1 O.000 :
* Runoff' flow is in cfs/mile
NBOD 1
D.O. :
mg/1 1
mg/l 1
0.000 1
5.000
0.000 :
9.400
0.000 1
0.000
0.000 1
0.000
0.000 : 0.000
0.000 1 0.000
0.000 1 0.000

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