NC0020443_Wasteload Allocation_19860716

NPDES DOCUMENT SCANNING COVER SHEET
NPDES Permit:
NC0020443
Columbia WWTP
Document Type:
Permit Issuance
`'Wasteload
Allocation
Authorization to Construct (AtC)
Permit Modification
Speculative Limits
201 Facilities Plan
Instream Assessment
(67B)
Environmental Assessment (EA)
Permit
History
Document Date:
July 16, 1986
This document is printed on reuse paper - ignore any
content on the "ew-erse side

NPDES WASTE LOAD ALLOCATION
Facility Name: TO UKS t LUTAA$L A
Existing CO Af
Proposed O Permit No.: NCO() 44-3 Pipe No.: 60( County: TheieFLL
Engineer Date Rec. #
.%4K ,S/Z3/8ea 321 ?
Date �/ZL/8G
Design Capacity (MGD) : olds- Industrial (% of Flow) : --- -- Domestic (% of Flow) : (O C)
Receiving Stream : 'SCUPPER- A%OJ) Gr R( V ERA Class : 5C_
Reference USGS Quad: j7 33 NE (Please attach) Requestor:
Coue#'f&.4 c4ES T
(Guideline limitations, if applicable, are to be listed on the back of this form.)
Sub -Basin:
D3-o(—
Regional Office
Design Zbrnp.:
-- 7010 (cfs) % ; Ce
Drainage Area (mi2):
Winter 7Q10 (cfs)
Location of D.O. minimum (miles below outfall):
Velocity (fps) :
K1 (base e, per day):
Avg. Streamflow (cfs):
30Q2 (cfs)
Slope (fpm )
K2 (base e. oer day):
Effluent
Characteristics
Monthly
Average
Comments
s Da.4.1 Qa'D
30 Atilt_
- , Cv11Tdliwl
cloo//!eoriVC_._
1 , Al 1(1°
,-- ------- _
Rev
Cori ,ation
oc
Prepared By:
a ikon O
O
O
tt,(41
tion
Comments:
i-8Y
Effluent
Characteristics
:'onthly
P_verage
Comments
„, ,,,,_
LiPsttec4 44_. wo` e rs Lot. fi k*t t ekceee. ces
of c1.1 a. i s impact -Ct.c -i-ur C cX r e
f
Reviewed By:
-26 4 Date: 72 //bA

Request No. : 3219
------------- WASTELOAD ALLOCATION APPROVAL. FORM _........_._......._..........__.._..._.__.___...---._-.--._....._.__.__
Facility Name
Type of Waste
Status
Receiving Stream
Stream Class
Subbasin
County
Regional Office
Requester
Dale of Request
Quad
Wasteflow (mgd)
5-Day 8OD (mg/1)
Ammonia Nitrogen
Dissolved Oxygen
TSS (mg/1)
Fecal Coliform
pH (SUJ )
a
TOWN OF COL._UMBIA
DOMESTIC
EXISTING
SCUPPERNONG RIVER
SC
0301 53
TYRRELL
WASHINGTON
S. BRIDGES
5-22 --86
D 23 NE
Drainage Area (sq mi)
7010 (cfs)
Winter 7010 (cfs)
3002 (cfs)
Average Flow (cfs)
RECOMMENDED EFFLUENT LIMITS
).15
30
30
POO
6-9
COMMENTS.._......_ ...............___._..........._.
TIDAL WATERS. FECAL COLIFORM LIMIT OF 200/100 ML IS TO
PROTECT SD WATERS OF ALBE:MARLE SOUND WHICH IS JUST
DOWNSTREAM OF D I C'CHARGER .
wae�o ee.�o%
Recommended b
Reviewed by:
Tech. Support Supervisor_
Regional Supervisor_
Permits °: Engineering_
61.'11 41-4/-41:11-::64Z*7.414-
7/9/PG
TIDAL
Date G Z0 pprr
Date_ok1.1_''
76
Date?

/53/s-6.
2 rrI , I1 ni �
it) /i = N�
cod - o2op
H - -1
To Do
sia
td0 Ji,iii
D� - 40
AU H3 _ _l 01,04
T5 = 4o
glen° Jr4 dui p v
= 1,6(vo)
fro 4- go = l50 `J6
s�ou.) 5 �z
56rn--e rn0 JAI o7 boot.0 v sx-eP
1-Ao = d•O
v= O, sz = 0 1 3
JA.Oolh JO E-- 1,
w = 5,00
•Ki O, O, 1 5
©t 131
bA c�z ir` S

IN-STREiM ASSESSMENT REQUEST FORM
I. Facility name 1 s&J u C <L07.0.N.A1A.
II.
Design flow o+,1 4A Subbasin 63-6 1 - 53 CountyTYlq - L,
Receiving stream 0WEAMot..4e Classification SL
isting plant data : time period averaged 85"fd (o a/e). J
flow .45 t3 " mgd
BOD5 �i � ' mg/1
NH3 1 0 • mg/1
DO mg/1
TSS oS , V mg/1
fecal coliform /100 ml
pH SU
Suggested SOC limits:
flow
BOD5
NH3
DO
6,
TSS .'k) , C'
fecal coliform
mgd
mg/1
/yo
mg/1
mg/1
mg/1
/10Q ml..
pH SU
III. eviously Approved SOC flow
Approximate percent domestic
Approximate percent industrial
rently requested SOC flow a .h
percent domestic
)66
percent industrial
List industries and type of waste below:
mgd
mgd

-eArp 1Z13/A
1, .4-, , t- O. 1 5--"
F 10 1/4 c, r59D c N H 3 0-3 ► e ce,_..0 ,
6 %FC° ,oiCo c, 3 /5,(o S.Ze _
y18(P logq 11 5 .075 s, 2
3186 a 103 7,5 it �F1`i --- 1
re 1 1 18 : 3 1 +-(,
Z %b'o
a o is, 3 — Jyf-1'S----
, 031 .20,2_ ly ._- — /( 4.5
1z1$ 5
ii /8C. .,. / q 11 /Z 5,8-
II Go aa,s /0 361.5-