NC0031836_Wasteload Allocation_19900827

NPDES DOCUMENT SCANNING COVER !;ciEET
NPDES Permit:
NC0031836
Fourth Creek WWTP
Document Type:
Permit Issuance
Wasteload Allocation ---,
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
August 27, 1990
This document is printed on reuse paper - ignore any
content on the resrerse side

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D��rrarger: �le 4t/�
Receivinj stream: Fourtn Gree.'
Stream Class: C
7010: 11.000 cfs
Design flow: 4.000 mgd
Actual flow: 2.16 mgd
Percent industrial: 15.00%%
IWC: 3b'0 %
Pollutant Standard/AL
(mg/1)
_________ -----------
Cad m i ua-i 0.002 S
Chromium 0.05 S
Copper 0.007 AL
Nickel 0.088 S
Lead o.nzg
' Zinc 0.05 AL
' Cyanide 0.005 S
� Mercury 0.000012 S
Silve, 0.00006 AL
-
Cad eium
Chromium
Copper
Nickel
Lead
Zinc
Cyanide
Mercury
Silver
Removal
Eff.
92%
17%
42%
17%
81%
89%
59%
86%
94%
c4�/�bD
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'
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Actual Actual
Allowable Domestic Industrial
Load Load Load
(lbs/day) (lbs/day) (lbs/day)
_________ --------- _________
1'93 0.120 0.270
4.66 0.920 3.40»
0.93 0.510 1.220
8.20 0.690 6.950 7\
1.22 1.150 0-900 -
35,15 2.010 2.970
0'94 0.460 0.130
0.01 0'010 O.00``
0.08 0.350 0.250
Total Predicted
Influent Background EFfluent
Load Reserve Conc Conc
(lbs/day> (lbs/day/ (mq/l)
---------- --------- --------- --------
0.39 1.54 0 0'0017 L
4.32 0,34 0 0.i989 L
1'73 -0'80 0 0'05o7 M
?,o4 0.5� 0 0,3518 L
2.0s -0.83 0 0.0216 L
4'98 30.17 3,,3M
0.59 0.35 0 L
L
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