NC0030210_wasteload allocation_19810527

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Facility Name:
Existing
Proposed a
NPDES WASTE LOAD
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ALLOCATIA kV�
Date: 1,7, /R/•
Permit No.:Z16C 47i0.302/ej Pipe No. QQ�_ - County: __&ecll�/t!'.e�yie��
Design Capacity (MGD): 0 Industrial (% of
Receiving Stream: d C:"A2Ae
Reference USGS Quad: S W (Please attach)
Flow): Domestic (% of Flow): So
tt ��
Class: Sub -Basin: _ Q
Requestor: Regional Office !�Q
(Guideline limitations, if applicable, are to be listed on the back of this form.)
Design Temp.:
Drainage Area:_ Avg. Streamflow:
7Q10 : ,.� 7 �,�� �
'�� Winter 7Q10: 30Q2:
Location of D.O.minimum (miles below outfall): Slope:
Velocity (fps) : 0.7
Kl (base e, per day, 200C) : -mot C3.3G- K2 (base e, per day, 200C) :"/. , eo
. Effluent
Characteristics
Monthly
Averagg/e
Comments
rnah
11 Do
rn�lh
TISS
3 o m
Effluent
Characteristics
Monthly
Average
Comments
2 5
,,u_i�
J
I ml
Vn
nay
"s y r
I t G es
r i
•, ' ', Original Allocation a % •�� �Qi(e /,��� �/� ,I / �� a
Revised Allocation
Date(s) of Revision(s)
Please attach ( previous allocation)
P epared By: ! .�.: ( Reviewed By:
Iq
Date:

Form #00,1
#66
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Mallard _Creek WWTP
County: Mecklenburg _ _ Sub -basin: 03-07-11
Regional Office: Mooresville Requestor: Dave Adkins
Type of Wastewater: Industrial 10
Domestic 90 %
If industrial, specify type(s) of industry:
Receiving stream: Mallard Cr Class: C
Other stream(s) affected: Class:
7Q10 flow at point of discharge: 0.77 cfs
30Q2 flow at point of discharge:
Natural stream drainage area at discharge point: @ 35 mil
Recommended Effluent Limitations
Summer Winter
Monthly.Avg. Monthly Av .
BODS = 16 mg/l BOD5 = 30 mg/l
NH3-N = 5 mg/l NH3-N = 11 mg/1
DO = 5 mg/1 DO = 5 mg/1
TSS = 30 mg/1 TSS = 30 mg/1
Fecal Coliform = 1000/100 ml Fecal Coliform = 1000/100 ml
PH = 6-9 SU pH = 6-9 S.U.
Change in summer limits from 1977 allocation due to revised USGS flow
estimates. Winter limits calculated for first time.
This allocation is:
/ /
for a proposed facility
/g/
for a new (existing) facility
/g/
a revision of existing limitations
/ /
a confirmation of existing limitations
Recommended and reviewed
by:
Date:
Head, Techncial Services
Branc ,.
Date:
Reviewed by:
Regional Supervisor
zv
Date: z t
Permits Manager
Date: j/1.11e/ _
Approved by:
Division Director
Date: