NCG550072_Wasteload Allocation_19800819

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NPDES WASTE LOAD ALLOCATION L -Nj-ga Rou'i fig,�n Reverse/)e
Facility Name: kIk \ o't S\N A t( C`-- v)+ •..,' '. N E - \ c1t t---7.\iN c�h Date: -1`Zs3 \ h© A
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County: 0)' c,c,c . Permit No. : Pipe No.
Receiving Stream: \:V 'A_ c4.1c Y arc\-. Class:
idc..\k\ow QV., ‘A10'1 ‘(C.C.ee' kZ
Design Capacity ( ): Design Temp. : a.S°C- Requestor: \0 .,,,,,,\5 ev C•f\`cciO\.‘N �Cs‘)%.,,,;,e\.,\ 0S c)
Sub-basin: 0-7- - Q(- O1-4 Drainage Area: O - 9 5 , 1M/ 7Q10: 6 • 0 c F
Other Stream Affected: Class:
Limits (circle one) : Effluent o water Quolit Avg. Stream Flow: (), 96-I DO Sag Pt. (mi. ) n, S rv,/
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Effluent Monthly Average ., Weekly Ave;age Max. Day Avg. Maximum Minimum ;
Characteristics Conc. Load, Cone, , Load, Conc, _ Load, Conc, Load. Conc. Load.
BOD /L� .
Fecal Coliform /per//tr1
Disolved Oxygen ,(g knq /1
Total SS ,, Ody /I,
NH3-N ,2 -n fJ// ,
pH (range) 6-II cc/1 _
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•y Prepared by: ,,.J,�/ /V(i Reviewed by: ����i4 �h_<`____. Date: X—/9-go
IS -3/78

For Industrial Dischargers List BPT Below
• Effluent Monthly Average Weekly Average Max,. •. . _ Ma. vm Minimum
Characteristics Conc. Load. Conc. Load. Conc. Load. Conc. J Load. Conc. Load.
BODE
Fecal Coliform _
Disolved Oxygen ` ,
Total SS
NH3 N
pH (range)
--► —
Industrial SIC Code: Type of Waste:
Effluent Guideline Reference:
Routing
To Initial
DInformation Services
Q Modeling and Alloc. ,
.
0 Regional Office

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May 10, 1978
MEMORANDUM
TO: R. F. McGhee
Waste Load Allocations Group
FROM: R. S. Taylor
Raleigh Regional Office
SUBJECT: Waste Load Allocations
Wildcat Creek Subdivision
Orange Co.
Please find attached a copy of a memo to me from Mr. J. C. Millsaps con-
cerning the subject matter, and a copy of your original waste load allocation
for this location. To refresh your memory, April 24 was before the flood and
stream flows were down. While 0.13 cfs is not a lot of flow and may be some-
what greater than the 7/10 flow, the fact that 0.13 cfs existed on April 24,
along with the physical appearence of the stream bed makes it appear unlike-
ly that the stream is a zero flow stream. Since we are dealing with 2 single
family dwellings, a flow of 0.01 cfs would provide significant dilution.
In light of the above, I would like to request that you look at the sit-
uation again. If the 5 and 2 limit is what is required, we will re-draft the
permit with that limit, but we likely will have to defend it in court and
should be sure that we can.

•
May 8, 1978
MEMORANDUM
TO: R. S. Taylor
FROM: J. Millsaps K1✓
SUBJECT: Stream Flow Evaluation
Permits NC0037583 & NC0037591
Ed Tenny & Assoc. , Wildcat Subdivision
Orange Co.
The subject permits were drafted in conformance with a memo from Mr. L. P.
Benton dated 11-24-76, that is, devise waste load allocations using available
data and write short term permits. The above permits were issued 4-15-77
using secondary treatment limits as a result of an inspection of the receiving
stream, Wildcat Branch. These limits will expire 7-1-78. Since issuance,
a wasteload allocation has been received with a limitation of 5 mg/l. 5 day
BOD, 30 mg/1 TSS and 2 mg/1 NH3.-N. These permits are for single family resi-
dences. One of the residences is changing hand, therefore a revised permit
must be prepared using new WLA.
The writer on April 24, 1978 made on site stream measurements at two points
on Wildcat Branch. April 24 was during a relative low flowperiod. Three
flow velocities were measured at two cross sections with an average flow of 0.13
cfs.
It is the writer's opinion that the WLA on Wildcat Branch should be re
evaluated on basis of the measured stream flow.