NC0041696_Speculative Limits_19910513

NPDES DOCUMENT SCANNING COVER SHEET
NPDES Permit:
NC0041696
Lake Rhodhiss WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Report
Instream Assessment (67b)
Speculative Limit
Environmental Assessment (EA)
Document Date:
May 13, 1991
'Miss document isn printed on reusne paper - ignore any
content on the resrerene snide

State of North Carolina
Department of Environment, Health, and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor George T. Everett, Ph.D.
William W. Cobey, Jr., Secretary Director
May 13, 1991
Ms. Aundria Pressley
Pretreatment Director, Consultant
Town of Valdese
P.O. Box 339
Valdese, North Carolina 27611-7687
Subject: The Town of Valdese Proposed Expansion
NPDES Permit No. NC0041696
Burke County
Dear Ms. Pressley,
I am writing in response to the your letter sent March 20, 1991, concerning the
expansion for the Town of Valdese's WWTP into the Catawba River (Lake Rhodhiss).
I have enclosed preliminary limits for the expansions of up to 9.5 MGD and 11.5
MGD. An official request for permit modification must be submitted before any
changes will occur in the permit.
Recommended Limits: Monthly Averages
Wasteflow (mgd) 7.5 9.5 11.5
BOD5 (mg/1) 30 15 15
NH3N (mg/1) - 4 4
DO (mg/1) 5 5 5
TSS (mg/1) 30 30 30
Fecal Coliform (/100 ml) 200 200 200
pH (SU) 6-9 6-9 6-9
Chlorine (ug/1) mon 28 28
cadmium (ug/1) mon mon mon
chromium (ug/1) mon mon mon
copper (ug/1) mon mon mon
nickel (ug/1) mon mon mon
lead (ug/1) mon mon mon
zinc (ug/1) mon mon mon
cyanide (ug/1) 103 93 69
mercury (ug/1) mon mon mon
silver (ug/1) mon mon mon
Toxicity Test* 4.8% 6% 7%
mon = monitor
* The whole effluent toxicity testing requirement will be chronic
ceriodaphnia taken quarterly.
Pollution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

As part of the Division of Environmental Management's (DEM) requirements for an
expansion of more than 0.5 MGD, the Town must perform an environmental assess-
ment for the area of discharge. You may contact Alan Clark from the Planning
Branch to get the details of this procedure.
The BOD5 and NH3N limits for 9.5 MGD and 11.5 MGD were determined using DEM's
Best Professional Judgement (BPJ) based on ongoing studies of lakes in the
Catawba River Basin. Lake Wylie is experiencing eutrophication largely due to
the inflow of point sources. During low flow conditions, the potential for
nutrient enrichment in the other lakes along the Catawba River Basin is evident
due to the large number of exi4ting and proposed discharges. Therefore, BPJ
limits have been applied to all new and expanding discharges to the lakes in the
Basin. Currently the wastefloaw from the Town of Valdese into Lake Rhodhiss is
approximately 4.5 MGD. The expansion up to 11.5 MGD will be a considerable
increase in point source discharge to the lake.
If you have any questions concerning this matter please contact Carla Sanderson
or myself both at [phone]
Sin rely,
C-
JTC/cms
cc: Jim Reid - ARO
Central Files
WLA File
. Trevor Clements
As istant Water Quality
Section Chief

-2Im3d gn,1p = 1401"/d?

05/01/91 ver3.1 TOXICS REVIEW
Facility: Town of Valdese
NPDES Permit No.: NC0041696
Status (E, P, or M) : M
Permitted Flow: 7.5 mgd
Actual Average Flow: 3.8 mgd
Subbasin: '030831
Receiving Stream: Lake Rhodhiss I PRETREATMENT DATA I----EFLLUENT DATA ----
Stream Classification: WSIIIB I ACTUAL PERMITTEDI
7Q10: 228.7 cfs I Ind. + Ind. + 1 FREQUENCY
IWC: 4.84 % I Domestic PERMITTED Domestic 1 OBSERVED of Chronic
Stn'd / Bkg 1 Removal. Domestic Act.Ind. Total Industrial Total 1 Eflluent Criteria
Pollutant AL Conc. 1 Eff. Load Load Load Load Load 1 Conc. Violations
(ug/1) (ug/1) 1 % (#/d) (#/d) (#/d) (#/d) (#/d) 1 (ug/1) (#vio/#sam)
Cadmium S 2.0 1 92% 0.0 0.3 0.32 0.0 0.010 1 1.0
Chromium S 50.0 1 76% 0.1 0.4 0.52 4.7 4.800 1 30.0 1 I
Copper AL 7.0 1 82% 0.2 4.3 4.48 1.7 1.820 1 87.0 1 N
Nickel S 88.0 1 32% 0.1 1.6 1.70 0.0 0.050 1 30.0 1 P
Lead S 25.0 1 81% 0.1 1.8 1.96 2.5 2.600 1 32.0 1 U
Zinc AL 50.0 1 77% 0.4 4.1 4.54 16.6 17.080 1 120.0 1 T
Cyanide S 5.0 1 59% 0.1 0.2 0.27 0.0 0.100 1 17.0
Mercury S 0.012 1 86% 0.0 0.0 0.00 0.0 0.000 1 1 S
Silver AL 0.06 1 94% 0.2 0.2 0.40 0.5 0.700 1 1 E
Selenium S 5.00 1 0% 0.0 0.0 0.00 0.0 0.000 1 1 C
Arsenic S 50.00 1 40% 0.0 0.1 0.15 0.0 0.010 1 1 T
Phenols S NA 1 99% 1 1 I
NH3-N C 1 0% 1 1 0
T.R.Chlor.AL 17.0 1 0% 1 1 N
ALLOWABLE PRDCT'D PRDCT'D PRDCT'D MONITOR/LIMIT I--ADTN'L RECMMDTN'S-- I
Effluent Effluent Effluent Instream 1 Recomm'd I
Conc. using using Conc. Based on Based on Based on 1 FREQUENCY INSTREAM I
I Allowable CHRONIC ACTUAL PERMIT using ACTUAL PERMITTED OBSERVED 1 Eff. Mon. Monitor. I
Pollutant 1 Load Criteria Influent Influent OBSERVED Influent Influent Effluent 1 based on Recomm'd ? I
(#/d) (ug/1) (ug/1) (ug/1) (ug/1) Loading Loading Data 1 OBSERVED (YES/NO) I
I I I
Cadmium S 1 31.62 41.346 0.803 0.025 0.05 Monitor Monitor 1 NCAC NO I A
Chromium S 1 263.51 1033.656 3.898 36.069 1.45 Monitor Monitor 1 NCAC NO I N
Copper AL 1 49.19 144.712 25.264 10.257 4.21 Monitor Monitor Monitor 1 Monthly NO I A
Nickel S 1 163.68 1819.234 36.180 1.065 1.45 Monitor Monitor I NCAC NO I L
Lead S 1 166.43 516.828 11.652 15.467 1.55 Monitor Monitor Monitor 1 NCAC NO I Y
Zinc AL 1 274.96 1033.656 32.693 122.999 5.80 Monitor Monitor Monitor I Monthly NO I S
Cyanide S 1 15.42 103.366 3.489 1.284 0.82 Monitor Monitor Limit I NCAC NO I I
Mercury S 1 0.11 0.248 0.010 0.000 0.00 Monitor I I S
Silver AL 1 1.26 1.240 0.758 1.315 0.00 Monitor Monitor 1 I
Selenium S 1 6.32 103.366 0.000 0.000 0.00 1 I R
Arsenic S 1 105.40 1033.656 2.810 0.188 0.00 I I E
Phenols S 1 0.000 0.000 0.000 0.00 1 I S
NH3-N C 1 0.000 0.00 1 I U
T.R.Chlor.AL 1 351.443 0.00 Limit 1 I L
I 1 I T
I I I S
I I I

05/01/91 ver3.1 TOXICS REVIEW
Facility: Town of Valdese
NPDES Permit No.: NC0041696
Status (E, P, or M): M
Permitted Flow: 9.5 mgd
Actual Average Flow: 3.8 mgd
Subbasin: '030831
Receiving Stream: Lake Rhodhiss I PRETREATMENT DATA I----EFLLUENT DATA---- I
Stream Classification: WSIIIB I ACTUAL PERMITTEDI I
7Q10: 228.7 cfs I Ind. + Ind. + 1 FREQUENCY I
IWC: 6.05 % I Domestic PERMITTED Domestic I OBSERVED of Chronic)
Stn'd / Bkg 1 Removal Domestic Act.Ind. Total Industrial Total 1 Eflluent Criteria I
Pollutant AL Conc. 1 Eff. Load Load Load Load Load 1 Conc. Violations)
(ug/1) (ug/1) 1 % (#/d) (#/d) (#/d) (#/d) (#/d) 1 (ug/1) (#vio/#sam)I
Cadmium S 2.0 1 92% 0.0 0.3 0.32 0.0 0.010 1 1.0
Chromium S 50.0 1 76% 0.1 0.4 0.52 4.7 4.800 1 30.0 1 I
Copper AL 7.0 1 82% 0.2 4.3 4.48 1.7 1.820 1 87.0 1 N
Nickel S 88.0 1 32% 0.1 1.6 1.70 0.0 0.050 1 30.0 1 P
Lead S 25.0 1 81% 0.1 1.8 1.96 2.5 2.600 1 32.0 1 U
Zinc AL 50.0 1 77% 0.4 4.1 4.54 16.6 17.080 1 120.0 1 T
Cyanide S 5.0 1 59% 0.1 0.2 0.27 0.0 0.100 1 17.0
Mercury S 0.012 1 86% 0.0 0.0 0.00 0.0 0.000 1 I S
Silver AL 0.06 1 94% 0.2 0.2 0.40 0.5 0.700 1 I E
Selenium S 5.00 1 0% 0.0 0.0 0.00 0.0 0.000 1 1 C
Arsenic S 50.00 1 40% 0.0 0.1 0.15 0.0 0.010 1 1 T
Phenols S NA 1 99% 1 1 I
NH3-N C 1 0% 1 1 0
T.R.Chlor.AL 17.0 1 0% 1 1 N
ALLOWABLE PRDCT'D PRDCT'D PRDCT'D MONITOR/LIMIT I--ADTN'L RECMMDTN'S-- 1
Effluent Effluent Effluent Instream I Recomm'd
Conc. using using Conc. Based on Based on Based on I FREQUENCY INSTREAM 1
I Allowable CHRONIC ACTUAL PERMIT using ACTUAL PERMITTED OBSERVED 1 Eff. Mon. Monitor. 1
Pollutant I Load Criteria Influent Influent OBSERVED Influent Influent Effluent 1 based on Recomm'd ? 1
(#/d) (ug/1) (ug/1) (ug/1) (ug/1) Loading Loading Data 1 OBSERVED (YES/NO) 1
--------- -- 1 1 I
Cadmium S 1 31.62 33.063 0.803 0.025 0.06 Monitor Monitor I NCAC NO 1 A
Chromium S I 263.51 826.570 3.898 36.069 1.81 Monitor Monitor I NCAC NO 1 N
Copper AL 1 49.19 115.720 25.264 10.257 5.26 Monitor Monitor Monitor 1 Monthly YES 1 A
Nickel S 1 163.68 1454.764 36.180 1.065 1.81 Monitor Monitor 1 NCAC NO 1 L
Lead S 1 166.43 413.285 11.652 15.467 1.94 Monitor Monitor Monitor 1 NCAC NO 1 Y
Zinc AL 1 274.96 826.570 32.693 122.999 7.26 Monitor Monitor Monitor 1 Monthly NO 1 S
Cyanide S 1 15.42 82.657 3.489 1.284 1.03 Monitor Monitor Limit I NCAC NO 1 I
Mercury S 1 0.11 0.198 0.010 0.000 0.00 Monitor 1 1 S
Silver AL 1 1.26 0.992 0.758 1.315 0.00 Monitor Monitor 1 I
Selenium S 1 6.32 82.657 0.000 0.000 0.00 1 1 R
Arsenic S 1 105.40 826.570 2.810 0.188 0.00 1 1 E
Phenols S 1 0.000 0.000 0.000 0.00 1 1 S
NH3-N C 1 0.000 0.00 1 1 U
T.R.Chlor.AL 1 281.034 0.00 Limit I 1 L
I I IT
I I I S

05/01/91 ver 3.1 TOXICS REVIEW
Facility: Town of Valdese
NPDES Permit No.: NC0041696
Status (E, P, or M) : M
Permitted Flow: 11.5 mgd
Actual Average Flow: 3.8 mgd
Subbasin: '030831
Receiving Stream: Lake Rhodhiss I PRETREATMENT DATA I----EFLLUENT DATA---- I
Stream Classification: WSIIIB I ACTUAL PERMITTEDI I
7Q10: 228.7 cfs I Ind. + Ind. + I FREQUENCY I
IWC: 7.23 % I Domestic PERMITTED Domestic I OBSERVED of Chronic)
Stn'd / Bkg I Removal Domestic Act.Ind. Total Industrial Total I Eflluent Criteria I
Pollutant AL Conc. I Eff. Load Load Load Load Load I Conc. Violations)
(ug/1) (ug/1) 1 % (#/d) (#/d) (#/d) (#/d) (#/d) 1 (ug/l) (#vio/#sam)1
Cadmium S 2.0 1 92% 0.0 0.3 0.32 0.0 0.010 1 1.0
Chromium S 50.0 1 76% 0.1 0.4 0.52 4.7 4.800 1 30.0 1 I
Copper AL 7.0 1 82% 0.2 4.3 4.48 1.7 1.820 1 87.0 1 N
Nickel S 88.0 1 32% 0.1 1.6 1.70 0.0 0.050 1 30.0 1 P
Lead S 25.0 1 81% 0.1 1.8 1.96 2.5 2.600 1 32.0 1 U
Zinc AL 50.0 1 77% 0.4 4.1 4.54 16.6 17.080 1 120.0 1 T
Cyanide S 5.0 1 59% 0.1 0.2 0.27 0.0 0.100 1 17.0
Mercury S 0.012 1 86% 0.0 0.0 0.00 0.0 0.000 1 I S
Silver AL 0.06 1 94% 0.2 0.2 0.40 0.5 0.700 1 1 E
Selenium S 5.00 1 0% 0.0 0.0 0.00 0.0 0.000 1 1 C
Arsenic S 50.00 1 40% 0.0 0.1 0.15 0.0 0.010 1 1 T
Phenols S NA 1 99% 1 1 I
NH3-N C 1 0% 1 1 0
T.R.Chlor.AL 17.0 1 0% 1 1 N
ALLOWABLE PRDCT'D PRDCT'D PRDCT'D MONITOR/LIMIT I--ADTN'L RECMMDTN'S--
1 Effluent Effluent Effluent Instream 1 Recomm'd
Conc. using using Conc. Based on Based on Based on 1 FREQUENCY INSTREAM
1 Allowable CHRONIC ACTUAL PERMIT using ACTUAL PERMITTED OBSERVED 1 Eff. Mon. Monitor.
Pollutant 1 Load Criteria Influent Influent OBSERVED Influent Influent Effluent 1 based on Recomm'd ?
(#/d) (ug/1) (ug/1) (ug/1) (ug/1) Loading Loading Data 1 OBSERVED (YES/NO)
Cadmium S 1 31.62 27.661 0.803 0.025 0.07 Monitor Monitor 1 NCAC NO 1 A
Chromium S 1 263.51 691.515 3.898 36.069 2.17 Monitor Monitor 1 NCAC NO 1 N
Copper AL 1 49.19 96.812 25.264 10.257 6.29 Monitor Monitor Monitor 1 Monthly YES 1 A
Nickel S 1 163.68 1217.066 36.180 1.065 2.17 Monitor Monitor 1 NCAC NO 1 L
Lead S 1 166.43 345.757 11.652 15.467 2.31 Monitor Monitor Monitor 1 NCAC NO 1 Y
Zinc AL 1 274.96 691.515 32.693 122.999 8.68 Monitor Monitor Monitor 1 Monthly NO 1 S
Cyanide S 1 15.42 69.151 3.489 1.284 1.23 Monitor Monitor Limit 1 NCAC NO 1 I
Mercury S 1 0.11 0.166 0.010 0.000 0.00 Monitor 1 1 S
Silver AL 1 1.26 0.830 0.758 1.315 0.00 Monitor Monitor 1 I
Selenium S 1 6.32 69.151 0.000 0.000 0.00 1 1 R
Arsenic S 1 105.40 691.51S 2.810 0.188 0.00 1 1 E
Phenols S 1 0.000 0.000 0.000 0.00 1 1 S
NH3-N C 1 0.000 0.00 1 1 U
T.R.Chlor.AL 1 235.115 0.00 Limit 1 1 L
I I I T
I I S

NPDES PRETREATMENT INFORMATION REQUEST FORM
FACILITY NAME: l(u' A
NPDES NO. N000 � 6 76
REQUES'rt H: � 1� 5��� � DATE: T /• C)/ C7 ( REGION:
PERMIT CONDITIONS COVERING PRETREATMENT
This facility has no SIUs and should not have pretreatment language.
This facility should and/or is developing a pretreatment program.
Please include the following conditions:
Program Development
Phase I due / /
Phase II due
Additional Conditions
(attached)
This facility is currently implementing a pretreatment program.
Please include the following conditions: /
V Program Implementation
Additional Conditions
(attached)
IGNIFICANT INDUSTRIAL USERS' (SIUs) CONTRIBUTIONS
SIU FLOW - TC►TAL :
- COMPOSITION:
TEXTILE:
METAL FINISHING:
OTHER:
2a5 rrGD
MCZ
MGD
MGD
MGD
HEAD[+TORKS REVIEW
PARAMETER
Cd
Cr
Cu
Ni
n�-
Zn
CN
Phenql
Other 4
PASS
HROUGH
MUMBLE
31,(dq'
DAILY LOAD IN LBS/DAY ACTUAL
DOMESTIC PERMI.'1= INDUSTRIAL % REMOVAL
O%O * o;" (a 9'W
.6 /j% 76 A.
90 ,1 * 4.33gl ig
D. ID
l o p
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1 ‘,.04
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Qo3 Ak
RECEIVED: q / 3ci/eft REVIE4ED BY: olio,Oht s Q t 14_
. ./Jj9°(

The SAS System 10:40 Wednesday, May 1, 1991
2
NPDES=NC0041696
Variable Sum
PIPE 9.0000000
_TYPE_ 0
_FREE 71.0000000
MCDL 0.3103509
MCRL 0.3887357
MCUL 4.3327509
MNIL 1.6492558
MPBL 1.8386861
MZNL 4.0998164
MCNL 0.1718151
MHGL 0.0022871
MAGL 0.2432560
MAS 0.1395588
MPHENOL
MFL
BODL 29057.07
CODL
TSSL 44406.03
MFLOW 54.5549230

The SAS System 10:40 Wednesday, May 1, 1991
1
0
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0
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1 NC0041696
2 NC0041696
3 NC0041696
4 NC0041696
5 NC0041696
6 NC0041696
7 NC0041696
8 NC0041696
9 NC0041696
0
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0005 1 0
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0011 1 0
0015 1 0
0016 1 0
1002 1 0
M
H
G
L
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M
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D
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8 0.025045
10 0.064835
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7 0.10974 .0011178 0.02466 0.017403
8 0.06208 .0011693 0.13436 0.080039
9 . .
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0.01193
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0.10000
0.01611
0.03229
0.02820
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0.03861
M
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0.08423 0.042117 .
•
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0.21155
2.24654
0.83006
0.02948
0.71024
0.07253
0.05390
0.17846
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0
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L
. 176.66
. 1337.87
. 1271.08
. 98.61
278.41
49.87
. 669.59
642.15
. 24532.82
M
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0.15862
0.18715
0.58998
0.10991
0.09486
0.09092
0.19529
0.22253
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M
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0.09899
0.33914
0.85564
0.04316
0.07266
0.01657
0.03698
0.37556
38.88
123.25
409.01
29.14
90.77
19.37
23.13
271.13
43401.36
M
F
L
0
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M
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0.07996
2.11591
1.36830
0.03952
0.15541
0.02059
0.07981
0.24032
0.1200
0.4578
1.1370
0.0655
0.1559
0.0422
0.2099
0.3952
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'HOLE EFFLUE )XICITY TESTING O(SELI -MONITORING SUMMARY' Thu. Mar 14. 1991
'AGILITY
SMC CAMP LEJEUNE GEIGER WWTP
ADESN: NC0062995
County: ONSLOW Region: WIRO
PF: 1.60
7Q10:TIDAL IWC(%):
REOUIREMF.NT
LETTER ACUTE TARGET:NONE (24hr FD?ID)
Begin: l/1/90 Frequency: M P/F
Months:
SOC/JOC Req:
igAR JAN
,87
'88
'89
' 90
'91 FAIL(
SMC CAMP LEJEUNE HADNOT POINT
PDESN: NC0063029
County: ONSLOW Region: WIRO
PF: 5.87
7Q10: TIDAL IWC(%):
LETTER ACUTE TARGET:NONE (21hr F1103)
Begin:1/1/90 Frequency: M P/F
Mantle:
SOC/JOC Req:
ISMC CAMP LFJEUNE ONSLOW BEACH
1PDESH: NC0063053
County: ONSLOW Region: WIRO
PF: 0.195
7Q10: IWC(%):
LETTER ACUTE TARGET: NO ACUTE (FTHD)
Begin:5/12/90 Frequency: M P/F
Months:
SOC/JOC Rcq:
'87
' 88
'89
'90 —
'91 FAILf
'87
'88
'89
'90
'91 PASS(
ISMC CAMP LFJEUNE RIFLE RANGE WWTP LETTER ACUTE TARGET: NO ACUTE (F11 ID)
:P1)IiSM: NC0063037 Begin: 5/11/90 Frequency: M P/P
County: ONSLOW Region: WIRO Months:
PF: 0.525 SOC/JOC Req:
7Q10: IWC(%):
JSMC CAMP LEIEUNE TARAWA TERRACE LETTER ACUTE TARGET: NO ACUTE (Fil•ID)
4PDESII: N00063002 Begin:5/12/90 Frequency: M P/F
County: ONSLOW Region: WIRO
PF:1.25
7Q10: IWC(96):
Months:
SOC/JOC Rcq:
,87
'88
'89
'90
'91 FAILf
'87
'88
'89
'90
'91 FAILf
JSMC CHERRY POINT N1
'PDESH: N00003816
County: CRAVEN
PP: 3.2
7Q10: TIDAL
Region: WARO
IWC(%): 100.00
PERMIT Ac LIMIT:NO ACUTE(48HR DAPH)
Begin:10/1/88 Frvgaency. Q P/P
Months: MAR JUN SEP DEC
SOC/l0C Req:
'87
'88
'89 —
'90 —
'91 —
JSMC CHERRY POINT 11114
'WDESN: NC0003816
County: CRAVEN Region: WARO
PF: VAR
7Q10: 0.00 IWC(%): 100.00
PERMIT ACUTE LIMIT:NO ACUTE (FTHD)
Begin:10/10/88 Frequency: Q P/P
Months: FED MAY AUG NOV
SOC/JOC Rcq:
'87
'88
'89 —
'90 —
'91 —
IJSMC CHERRY POINT 11136
JPDESN: NC0003816
County: CRAVEN Region: WARO
PF: VAR
7Q10: 0.0 IWC(%): 100.00
PERMIT ACUTE LIMIT:NO ACUTE (FTHD)
Begin:10/1088 Frequency: Q P/F
Months: FEB MAY AUG NOV
SOC/JOC Req:
'87
'88
'89 —
'90 —
'91 —
VALDESE WWTP
NPDESN: NC0041696
County: IIURKE
PF:7.50
7Q10: 228.7 IWC(%):4.83
Region: ARO
PERMIT CHRONIC LIMIT: 4.8%
Begin: 6/1/89 Frcquescy: Q
Months: JAN APR JUL OCT
SOC/JOC Rcq:
FFB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
FAIL( FAIL! PAIL! FAIL! LATE FAIL! FAIL! NR FAIL! NR FAIL!
FAIL! FAILf FAIL! FAIL! LATE PASS! FAIL! NR
NONE
PA- SS PASS
NR PAILf
FAIL! 1
PA- SSf
,87
'88
' 89 — --
' 90 FAIL PASS
91 PASS
VALSPAR CORP.
NPDESN: NC0026077
County: GUI FORD Region: WSRO
PF: VAR
7Q10: 0.0 IWC(%): 100.0
PERMIT:48 HR ACUTE MONTT EPISODIC FTHD.
Begin: 2/1/90 Frequency: 5.OWD/ A
Months:
SOC/JOC Req:
'87
'88
'89
'90
91 74'
PASSE' >90
PASS
FAIL! NR
FAIL(
- FAIL( FAILf PASSE FAIL( FAILf FAIL! FAIL!
-- FAIL! FAIL! PASS! PASS! FAIL! PASS(' FAIL!
NR
NR
FAIL!
NONB
PASS*
bt
bt
FAQ..! FAILf FAILf
bt
>90 PASS!
NR
NR
PASS
PASS
NR
PASS
) 2 consecutive failures = significant noncompliance V P.e1987 data available
I EGEND:
PF=Nrrnitted flow (MGD), 7Q10=Receiving stream low flow criterion (cfs), IWC%=Wtroam waste canaattration. Begin=First month tcqubed, Prequency=(Monitoring frequency): IQ -Quarterly; M-Monthly; BM-Bintortthly; SA -Semiannually; A -Annually;
OWD-Only when discharging; D-Discontinued monitoring requirement;1S-Conducting independent study), P/P=Pass/Fail chronic bioassay, A - Acute, C.lr=Chroaic, Amquarterly monitoring increases to monthly upon single failure,
Data Notation): (f=Fathead Minnow, •=Ccriodaphnia sp., my=Mysid shrimp, ( V=C luonie value, P=Mortality of stated percentage at highest concentration, st=Pcrformed by DEM Aq Tox Group, bt=Bad test),
{Reporting Notation): (-•-z1)ata not required, NR=Not reported, ( )=Beginning of Quarter), (Iracillty Activity Status): (I=Inactive, N=New1y Issucd(To construct), I I'Activc but not discharging)
AA
FAILf FAIL! FAILf
FAIL!
PASS
PASS
NONE
NR
- PASS
PASS
FAIL!
PA- SSf
NR
PA- SSf

istoric Valdese
TOWN OF VALDESE
NORTH CAROLINA'S FRIENDLY TOWN
P.O. BOX 339
VALDESE, NORTH CAROLINA 28690
PHONE [phone]
March 20,1991
Trevor Clemmons
DEHNR
P.O. Box 27687
Raleigh, NC 27611-7687
Dear Mr. Clemmons,
2
i._
�• •
As we discussed in our phone conversation on March 20,1991 the
Town of Valdese would like to request a speculative analysis for
the Lake Rhodhiss WWTP, NPDES # NC0041696, for a proposed
expansion. The plant capacity is currently at 7.5MGD and the
addition would allow an additional flow of 2MGD and possibly 4 MGD.
This addition is to allow a new textile industry to locate in this
area.
The plant would remain with its present composition,
approximately 85% industrial and 15% domestic flow. The industrial
flow is composed entirely of textile mills -- dyeing, bleaching,
etc.
Attached you will find a copy of the map locating the plant
discharge point as you requested.
If you have any further questions, please feel free to give
myself a call at [phone] or Jeff Morse at [phone].
Thank you for your time and assistance.
Sincerely,
0-J--A-LL-c4-
Aundria Pressley
Pretreatment Director, Consultant

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