NC0047597_Wasteload Allocation_19890419

Sub -Basin•
NPDES WASTE LOAD ALLOCATION
PERMIT NO.: NCO() `OS??
FACILITY NAME: (2}/"IAA I ems' (1,1, rL: < Qt. . l J7 P
Facility Status: PROPOSED
(circle one)
Permit Status: RENEWAL NEW
(circle one)
Major Minor.
Pipe No -
Design Capacity (MGD):
Domestic (X of Flow):
Industrial (X of Flow):
Comments:
—2O AGO
0
I
RECEIVING STREAM: NFt✓ hlociE Cr—K
Class: C- 5Tr41
• Nun�v7 , G 007C-4-1
v. -- 0 6 -- vs' • c2 P
Reference USGS Quad: T -� N'°`) (please
z i-) 1 A -
County:
Regional Office: As Fa Mo .�
(circle ..e)
attach)
Wi WS
Requested By: kl-rP,‘`o .Date: 1g-.gc
Prepared By:
/Ar D. Sar
Reviewed By:
Date
ate:
-Duc. uncer-fo. tvk7 oC tau. cWec.fs u{ tlu
Novembe< Mrarch, T1Lh'«a( SCrp:u& no{
fi ua'i-� Mort incor naaCon Avar aide ,
,# rto9entr GlalLbe slwu(d La.
Modeler
Date Rec.
SDV
Alto_a9
51Z�}- .
Drainage Area (mil) 75.0 Avg. Streamflow (cfs)•
7Q10 (cfs) 1h15 Winter 7.Q10 (cfs) 2.230Q2 (cfs) 3.6
Toxicity Limits: IWC 1 X (circle one) Acute / C�
Oleo n;(/ Ce f LOdaph n is /% r•� r
Instream Monitoring: f
77
Chronic
Parameters Teft r44(Ate. ) DO) itcal G.+(Sor,n Conduchiu, y -
Upstream Y Location 50 Toe+ u irea,w 0C riistharq c
Downstream _� Location 5 r" ies iowns+r'eaM cif JDNS.
(+►k ti+ad•••�c» .�F 3orciun L.►ka�
'�• u AAN. SV•n1Mtf) j'('KwNi Mon}Oriitj Qare�nueerj S60Ull rnc1v`L )
PO u �, tfOZ . 1\101 , N1i3 JJon� p ij a5
Effluent
Characteristics
Summer
Winter
BON (mg/I)
5
7
NHr N (mg/1)
I
Z
D.O. (mg/1)
C
6
TSS (mg/I)
•
30
30
F. Col. (/100m1)
1000
(oO0
pH (SU)
6 - et
6 - R
TP ''"9%[
0.5
Z.
S
D.r:ly Max
1
Co.clwi j NI :-.Alp2
CNroc w s -14
S0
Ni clgs i ( (I)
60
I. ewdd ■■ (4^9/1)
2 5
r�CcoMMtit ¢t(v,enf Czlrncath or cy 11)
rndn, lro I
,ue c. • Comments- '•�� Cyan�dL rrcccufy
ey;sF. ^'
ease e. ` 11J coeper f and zinc . Requ�rea �a1 Awl cat ��-ecf(on (nl�ls
`C be ;nL<<ALc lit //' AA p8CP*1cf. / %/�(/�/
pecw�r,� Eo allow cvtr:rn fe Ice p(uct1 an 40x:cAM% shoutl� 4L ALLh 1tt� (rS �,ltolt. eN7.uecf
% toxic,fy sf,
sab;M
ncr

Request No.:
WASTELOAD ALLOCATION APPROVAL FORM
Facility Name:
NPDES No.:
Type of Waste:
Status:
Receiving Stream:
Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Quad:
CITY OF DURHAM
NC0047597
99% DOMESTIC, 1%
MODIFICATION
NEW HOPE CREEK
C-NSW
030607
DURHAM
RALEIGH
DAVID FOSTER
2/18/89
D23NW
- FARRINGTON ROAD
INDUSTRIAL
Drainage
Summer
Winter
Average
RECOMMENDED EFFLUENT LIMITS
Wastef low (mgd) :
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal coliform (#/100m1):
pH (su):
TP (mg/1):
Toxicity Testing Req.:
Summer
20
5
1
6
30
1000
6-9
0.5
Winter
20
7
2
6
30
1000
6-9
2
area:
7010:
7010:
flow:
3002:
RECE vEL
5124 APR 13 1989
WWTf
Pf,^ qR,o
w/, ZQ6
75.000 sq
0.15 cfs �F�
2.00 cfs
77.00 cfs
3.60 cfs
Cadmium
Chromium
Nickel
Lead
(ug/1):
(ug/1):
(ug/1):
(ug/1):
Daily
Max.
2
50
50
25
Chronic/Ceriodaphnia/Qrtrly
MONITORING
Upstream (Y/N): Y Location: 50 Feet upstream of discharge point
Downstream (Y/N): Y Location: 5 miles downstream of discharge at DNS
COMMENTS �,06.1, a _4':...►.� �.r 41..a.4k 1ne.- N, - a''"
RECOMMEND EFFLUENT MONITORING OF CYANIDE, MERCURY, COPPER, AND ZINC. `;u4-
THE EXISTING ANALYTICAL DETECTION LEVEL REQUIREMENTS FOR METALS SHOULD SE ecy(r.44
INCLUDED IN ,��HE P MIT. A REOPENER CLAUSE SHOULD BE PLACED IN THE PERMIT clAq.
TO ALLOW FORM1L�MT TO BE PLACED ON TOXICANTS SHOULD THE FACILITY FAIL ITS ytk,
WHOLE -EFFLUENT TOXICITY TEST.
RECOMMEND INSTREAM MONITORING OF TEMPERATURE, DO, FECAL COLIFORM, AND
CONDUCTIVITY. IN THE SUMMER, INSTREAM MONITORING PARAMETERS SHOULD INCLUDE
TP, PO4, TKN, NO2+NO3, NH3, AND pH AS WELL.
DUE TO THE UNCERTAINTY OF THE EFFECTS OF THE SUBIMPOUNDMENT FROM NOV. -
MARCH, TECHNICAL SERVICES WILL NOT INCREASE THE EXISTING WINTER LIMITS
UNTIL MORE INFORMATION IS AVAILABLE.
Recommended by:
Reviewed by
Tech Support Supervisor:
YRegional Supervisor:
Permits & Engineering:
RETURN TO TECHNICAL SERVICES BY:
5cai;111_
Date: _ 3_1I81.____
Date:
Date:
APR 291989

Facility Name C; dF l►rhotM (61151-on Roof otrp Permit # N0001i7SR?
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 91 % (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 Nia( Sane Sep ) 9 c . 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.15 cfs
Permited Flow MO MGD Recommended by:
IWC% 91.5
Basin & Sub -basin 6306 6 S
Receiving Stream New Hope c,,ek .4. Scoj1,
County 1,urbawl Date 3 f 21(8q
*Chronic Toxicity (Ceriodaphnia) P/F at %, Mu r j 3yn) Sof j Dec. , See Part 3 , Condition I. .