HomeMy WebLinkAboutNC0024937_Wasteload Allocation_19820208NPDES DOCUMENT SCANNING COVER SHEET
NC0024937
Sugar Creek WWTP
NPDES Permit:
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Draft Permit
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
February 8, 1982
This document is printed on reuse paper - ignore any
content on the reirerse side
rf`ice to Co 1
c
Facility Name:
Existing
Proposed
NPDES WASTE LOAD ALLOCATION
r ( 1 7)
Permit No.: /t/CDO a 419 3 7
l V'o�aS2a 2i( a }(P5205-
r"ax
Design Capacity (MGD): 1� Industrial (% of Flow): Domestic (% of Flow):
Receiving Stream: I j L (e. St
Reference USGS Quad:
j a
(Please attach)
(Guideline limitations, if applicable, are
Class: G Sub -Basin:
-
Date•
Pipe No.: County: f eG t e N U rr'
O -3 —off{ -- 3 y %.
Requestor • Regional Office /Wcn Ve--S' (/i / C-
to be listed on the back of this form.)
Design Temp.:
7Q10: e c-
aU
4...) Location of D.O.minimum (miles below
E Velocity (fps) : 0 • 6 S-
0
0
SI
1
cn
C.)
Avg. Streamflow:
87c
30Q2•
Slope:
K1 (base e, per day, 20°C) : K2 (base e, per day, 20°C) • a - 77-g
If 7
S
S
outfall):
Drainage Area:
Winter 7Q10:
11,
—----'-.ti
Effluent
Characteristics
-
.Monthly
Average
, .f ...
t _J.
Comments
6
6—?--ctia-
rH
1. _Ai
101 C,' If
r
COL( /r e-m.
100,400 evi-e•
t o
bi i),
ass .4yz
Original Allocation
Revised Allocation
Confirmation
Prepared By:
LJ
'V1�'��%'/Vo Vo- - /''lcr,�r/�r3
„..
Effluent
Characteristics
Monthly
Average
Comments
RnPs
3611
ftalcol►rin
'tQ
/E�ob/
,0or.4
16- r-'
2/
� Jc�c� e;11%L_
&ddr!
Revisions)
(Please attach previous allocation)
Reviewed By: / Date:
' Form" #001
31
WASTE LOAD ALLOCATION APPROVAL FORM „5//
Facility Name: Sugar Creek WWTP
County: Mecklenburg
Sub -basin: CT1134
Regional Office: Mooresville Requestor:205(g)
Type of Wastewater: Industrial
Domestic
If industrial, specify type(s) of industry:
Receiving stream: Little Sugar Creek
Other stream(s) affected:
7Q10 flow at point of discharge: 3.5 cfs
30Q2 flow at point of discharge: 8.7 cfs
Natural stream drainage area at discharge point: 41 mi2
Class: C
Class:
Recommended Effluent Limitations
Qw = 15 MGD
Summer (April 1-Oct 31) Winter (Nov. 1-March 31)
BOD5 = 20 mg/1
TSS = 30 mg/1
pH = 6-9 SU
NH3-N = 8 mg/1
Fecal Coli = 1000/100 ml
D.O. = 5 mg/1
30 mg/1
30 mg/1
6-9 SU
1000/100
5 mg/1
ml
AIR QUALITY
SECTION
This allocation is:
for a proposed facility
for a new (existing) facility
a revision of existing limitations
a confirmation of existing limitations
Recommended and reviewed by:
/ (`
Head, Techncial Services Branch
Reviewed by:
y
Regional Supervisor ,
Permits Manager A). �j
Approved by: , '*
Division Director
(JZ--
Date:
Date:
Date: -2-
Date: 1171/ 2-
Date: 6;2
Sumer Allocation
Parameters
Qw = 15 MGD
Cw=.30mg/1, (BOD5=Z0mg/1)
Nw* =.36tng/1 (NH4-N = ' rng/1)
D0w = 5.0 mg/1
Qs = 3.5 cfs
Cs = 2.9 mg/1
Ns = 5.6 mg/1
DOS = 7.56
Qr = 0.15 cfs/mi.
Cr = 2.0 mg/1
Nr = 1.0 mg/1
DOr = 8.56
K1 = 0.16
Kc = 0.16
Kn = 0.24
Knr = 0.24
V = 0.65
DOsat = 8.5
K2= 3.03
L = 9.44 mi.
In allocation NW(NOD) = 4.5 * NH4-N.
Winter Allocation
Qw = 15 NGD
Cw = 45 mg/1 (MODS = 30 mg/l)
Nw* = 87 mg/! (NH4-N -.20 mg/1)
DO w = 5 mg/1
Qs - 5.5 czs
C s = 2.96 <<;, / 1
s = 5.67 rr01
:1s = ~ 9.2 r1 is / I ..
Qr = 0.3 cr hi
C = 2 mg/
N = 1 mg/J.
DO = 9.2 mg/I
Kl = 0.1
Kc = 0.1
K n = 0.15
KIIr = 0.15
V = C.65
K2 = 2.44
T = _= `,C
DO - 10•2:r,g/1
sat
* In ton Nw (NOD) = 4.5*NH4-N
Note: that winter allocation is limited by 2 * summer allocation in terms
`10•tiultimate.