NC0020354_Wasteload Allocation_19810628

NPDES DOCUMENT SCANNING: COVER SHEET
NPDES Permit:
NC0020354
Pittsboro WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Approval
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
June 28, 1981
This document is printed on reuse paper - ignore any
content on the re'rerse side

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5 (Guideline limitations, if applicable, are to be listed on the back of this form.)
Facility Name:
Existing
Proposed
NPDES WASTE LOAD ALLOCATION
Date•
S-27-8/
Permit No.: C abet 3 r ' Pipe No.: County • C4744a
Design Capacity (MGD): .;25— Industrial (% of Flow): Aloo Domestic (% of Flow): /1" p
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Receiving Stream: V—r) 62,,,sp,`try kc Class: Sub-Basin:1�j
Reieiau,e USGS Quad: i S1) • (Please at 5) Requestor • 1 -ri �
(_� Regional Office T� ^
Design Temp.: 025 `'L— Drainage Area: g o? TiJ , Avg. Streamflow: i
a
7Q10: 010 c.6S Winter 7Q10: — 30Q2
Location of D.O.minimum (miles below outfall): Slope li"'
E Velocity (fps) : 0,47 -- Kl (base e, per day, 20°C) : /'C/ (n K2 (base e, per day, 20°C) : .2-- 1l
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Effluent
Characteristics
Monthly
Average
Comments
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Original Allocation
EeiisaA Allocation
r7Tl YrK/750/
repared By:
47,/?)
Effluent
Characteristics
Monthly
Average
Date(s) of Revision(s)
(Please attach previous allocation)
Reviewed By:
Comments
p)
Date:

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Form #001
WASTE LOAD ALLOCATION APPROVAL FORM
#90
Facility Name: Pittsboro STP
County: Chatham Sub -basin: 03-06-04
Regional Office: Raleigh Requestor: Langley
Type of Wastewater: Industrial
Domestic 100
If industrial, specify type(s) of industry:
Receiving stream: Roberson Creek
Other stream(s) affected:
Class: C
Class:
7Q10 flow at point of discharge: 0.0 cfs
30Q2 flow at point of discharge:
Natural stream drainage area at discharge point: 9.2 sq mi
Recommended Effluent Limitations
The following limits are monthly averages. Parameters. used to develop
this allocation are included on the attached form.
Qw = 0.25 MGD
BOD5 = 8 mg/1
NH3 = 4 mg/1
D.O. = 6 mg/1
TSS = 30 mg/1
Fecal Coliform = 1000/100 ml
pH = 6-8.5 SU
This allocation is: / / for a proposed facility
/ / for a new (existing) facility
/ / a revision of existing limitations
/X/ a confirmation of existing limitations
Recommended and reviewed by:
Head, Techncial
Reviewed by:
Regional Supervisor
Permits Manager
Approved by:
Division Director
Services Branch*/14 L
414.0'1
to.
Date:
Date:
Date: //2/0"/
Date: L