NC0041696_Wasteload Allocation_19890213

NPDES DOCUMENT SCANNING COVER SHEET
NC0041696
Lake Rhodhiss WWTP
NPDES Permit:
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Staff Comments
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
February 13, 1989
This document is printed on reuse paper - igxiore a.ny
content on the reYerse "side

NPDES WASTE LOAD ALLOCATION
PERMIT NO.: NC004.169`
FACILITY NAME: Town cc Vafde66
Facility Status: �F.XISTIIG ) PROPOSED
(circle one)
Permit Status: (RENEWAL—) 1400F1C.X11ON UNPEI MTT EI) NEW
(circle ) _
Major nor_
Pipe No: bo /
Design Capacity (MGD):
1.5
Domestic (X of Flow): #
Industrial (X of Flow): -35
Comments:
RECEIVING STREAM: Lq ke ,Qh dhl:ss (3'`114.1b4 i sec)
Class: kJs r21i-15
Sub -Basin- 03 - OP-3)
1)1 5E (please attach)
Referents USGS Quad:
County:
u► ke-
Regional Office: As Fe I Re Wa Wi WS
(drele ens)
Requested By:
Prepared By:
Reviewed By:
c
Date: it/j/icr
ate: �` a l 9 `
Date:
Drainage Area (m12)
7Q10 (cfs) .. (Winter 7Q10 (cfs)
Toxicity Limits: IWC b % (circle one)
Instream Monitoring:
Modeler
Date Rec.
+r
c ry
kkk S
SO
I
Parameters
Upstream
Avg. Streamflow (cfs).
30Q2 (cfs)
Acute /
Chronic
D.0, Jem torcdoN, Fe�aJ CALgrati; 1kVJOd1Vi ' y,£ Cis
Location C1-100ve d15 i9P p3ir7c
Location' rvt (- k IQu) daha y, &.411t 100%
Downstream \f
-
Effluent
Characteristics
Summer
Winter
BOD5 (mg/1)
30
NH3 N (mg/1)
-
D.O. (mg/1)
-
TSS (mg/I)
- CO
c9.00 pLoTTED
' 0 -'9
F. Col. (/1001nI)
pH (SU)
ecuu_ mo e(r)
ew+ ✓Ywvu' ri
io ✓ � ,411• wt-)
C.'o pper, ; (1(c.d e 1,
LeAd, G/ r?C, C yca i tk,
4mn4a&urti, 7)i u I
C&.Joticiis,' 5c)1-rat.°5
1
-
Comments: See �O 1 "r
re;wiNrnmit

Request No. :4963
WASTELOAD ALLOCATION APPROVAL FORM
Permit Number : NC0041696
Facility Name : TOWN OF VALDESE
Type of Waste : 45'/. DOMESTIC / 55% INDUSTRIAL
Status : EXISTING
Receiving Stream : LAKE RHODHISS (CATAWBA RIVER)
Stream Class : WS-III-B
Subbasin : 030831
County : BURKE Drainage Area (sq mi) : O.
Regional Office : MRO Average Flow (cfs) .
Requestor : LULA HARRIS Summer 7010 (cfs) : 228.7
Date of Request : 11/8/88 Winter 7010 (cfs) .
Quad : D122E 3002 (cfs) .
RECOMMENDED EFFLUENT LIMITS
F E B 8 1989
PERMITS &
Wastof low (mgd) : 7.5 N. C. DFpT, OF NATURAL
5-Day HOD (mg/1): 30 Resources AND
Ammonia Nitrogen (mg/ 1) : COIVATUNITy n=YELC_r„1/1::
NT
Dissolved Oxygen (mo/1):
TSS (mg/1): 30 FEB 0 2 1989
Fecal Coliform (#/100m1): 200
pH (SU): 6-9
MONITORING
DIYIsI;N OF Pl';'Of,9'E" i'i ,':;•': ; H'fli
U002ES't:? E REL1aNAL OFFICE
Upstream (Y/N): Y Location: ABOVE DISCHARGE POINT
Downstream (Y/N): Y Location: " 1 MILE BELOW DISCHARGE AT SR 1001
COMMENTS
RECOMMEND EFFLUENT MONITORING FOR CADMIUM, COPPER, NICE; L, EAD, ZINC,
CYANIDE, AMMONIA, PHENOL, CHLORIDES, AND SULFATES. C%/ L)
RECOMMEND INSTREAM MONITORING FOR DO, TEMPERATURE, FECAL COLIFORM,
CONDUCTIVITY, AND BOD5 (6-mio e�
FREQUENCY: 3/WEEK FOR SUMMER (APR-OCT) AND MONTHLY FOR WINTER (NOV-MAR)
SEE ATTACHED TOXICITY TESTING REQUIREMENTS.
Recommended by
Reviewed by:
Tech. Support Supervisor
Regional Supervisor
Permits & Engineering
Date e2y g,_
Date 1 j3Q./_
Date
Date _
MAR 0 1 1989
RETURN TO TECHNICAL SERVICES BY

Facility Name IOW K. Of Y & e52 Permit # j&COC) 4/ % 57
CHRONIC TOXICITY TESTING REQUIREMENT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity in any two consecutive toxicity tests,
using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *February 1987) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or
significant mortality is 4.9 % (defined as treatment two in the North Carolina procedure
document). The permit holder shall perform quarterly monitoring using this procedure to establish
compliance with the permit condition. The first test will be performed after thirty days from
issuance of this permit during the months of J201, Apr) fu 1, Oct' . Effluent
sampling for this testing shall be performed at the NPDES permitted final effluent discharge below
all treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter
code TGP3B. Additionally, DEM Form AT-1 (original) is to be sent to the following address:
Attention: Technical Services Branch
North Carolina Division of
Environmental Management
P.O. Box 27687
Raleigh, N.C. 27611
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly
monitoring will begin immediately until such time that a single test is passed. Upon passing, this
monthly test requirement will revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Environmental Management indicate potential impacts to the receiving stream, this
permit may be re -opened and modified to include alternate monitoring requirements or :°mits.
NO IE: Failure to achieve test conditions as specified in the cited document, such as mtnitnum
control organism survival and appropriate environmental controls, shall constitute an ir.•: alid test
and will require immediate retesting(within 30 days of initial monitoring event). Failure to submit
suitable test results will constitute noncompliance with monitoring requirements.
7Q10 ?a$ cfs
Permited Flow 7.5 MGIS Recommended by:
IWC% 4. 5
Basin & Sub -basin erg 31 ��StAvtlit416-r-j
Receiving_Stream Lot a RhadluSS (116. u►a
County ,turf e Date )/‘2.4 Ig 7
**Chronic Toxicity (Ceriodaphnia) P/F at4i. g %„TLtn 141)r,.ltll, d cf , See Part 3 , Condition-� .

7Wfr1f VJo
eiw=7.5`"ye(
4/5 ".0 Pt nt€ she
55%TrJastt2)
Yer %ow---
h�dhi�s Lade
u la5P-1101J 'r 5 n y°l
Ear P!
155 30 rkup
4ecoJC. 2o%'c ,btJ
pN ii-9
CM-5
la /9101
c3oS3/
Amb,e. 5K
Caa30060
rc�s� 4.13
1 J 4& X/yer
loco n 0-1 Valdese
Aw=
all4etch.614, dees aim -mint _in *air ovs
4014A-, / 5u. wGr-Ti" Aiefanted ((,L/2 5 fa r )
�ut�low = 3.9a9/

end
QED
end
READY
lc+gDff
NOM :A207 LOGGED OFF 01/24/99 AT
PRETREATMENT HEADWORKS REVIEW
Discharger:
Receiving stream:
Stream Class:
7Q10:
Design flow:
Actual flow:
Percent industrial:
IWC:
Town of Valdese
Lake Rhodhiss
WS-III & B
228.700 cfs
7.500 mgd
3.9291 mgd
55.00 '/.
4.8 %
Pollutant Standard/AL Removal
(mg/1) Eff.
Cadmium
Chromium
Copper
Nickel
Lead
Zinc
Cyanide
Mercury
Silver
Cadmium
Chromium
Copper
Nickel
Lead
Zinc
Cyanide
Mercury
Silver
0.002 S
0.05 S
0.015 AL
0.025 S
0.025 S
0.05 AL
0.005 S
0.0002 S
0.01 AL
Total
Influent
Load
(lbs/day)
0.92
1.09
5.14
1.18
1.31
4.55
0.78
0.00
0.00
92%
76'/.
82%.
32%
81%
77%
5 9'/.
86%
94%
Reserve
Allowable
Load
Actual
Domestic
Load
(lbs/day) (lbs/day)
31.64
263.68
105.47
46.53
166.54
275.15
15.44
1.01
210.95
0.010
0.180
0.210
0.070
0.180
0.610
0.140
Predicted
Background Effluent
Conc Conc
(lbs/day) (mg/1)
30.72
262.59
100.33
45.35
165.23
270.60
14.66
1.81
210.95
(mg/1)
O 0.0022
O 0.0080
O 0.0282
O 0.0245
O 0.0076
O 0.0319
O 0.0098
O 0.0000
O 0.0000
M
M
M
M
M
M
v2.0 (1/9/89)
01/24/89
Actual
Industrial
Load
(lbs/day)
0.910
0.910
4.930
1.110
1.130
3.940
0.640
Allowable
Effluent
Conc
(mg/1)
0.0413
1.0337
0.3101
0.5168
0.5168
1.0337
0.1034
0.0041
0.2067
PRETREATMENT HEADWORKS REVIEW v2.0 (1/9/89)

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FVIEIVIO.
DATE
TO:
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I
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SUBJECT:
Valce,,.�_
Z/ �. s . C.uvrttes
! Ste 3 1' 7 .S^
LU L..0 t3 Lt s
.10/4 S-e e cg-leca.)
North Carolina epartment of Natural
Resources &Community Development
dt

Steve Tedder
July 21, 1987
Page Two
Using the GMAV's for the 12 genera listed in Table 3, EPA
calculated a Final Acute Value of 1,720 mg C1/1, according to the
procedures described in the "Guidelines for Deriving Numerical
National Water Quality Criteria for the Protection of Aquatic
Organisms and Their Uses" (USEPA, 1985).
Chronic values of 372.1 and 297.9 mg C1/1 were determined for
D. pulex and the fathead minnow, D. promelas, respectively.
These values are based on reduced reproduction by D. pulex and
reduced growth by P. promelas. The acute -chronic ratios for
Daphnia pulex and fathead minnows (P.promelus), therefore are
3.951 and 22.06, respectively.
An estimated acute -chronic ratio of 4.972 is given for
rainbow trout (S. qairdneri). The chronic value for rainbow
trout can only be estimated due to problems with control fish
prior to the intended end of the test. Data are available for
weights of fish on day 56 of the experiment, however, and the
estimated chronic value is based on these data. EPA is waiting
on additional chronic data for trout prior to finalizing this
document.
The geometric mean of these 3 acute -chronic ratios gives a
Final Acute -Chronic Ratio of 7.567. Dividing the Final Acute
Value (1,720 mg C1/1) by the Final Acute -Chronic Ratio gives a
Final Chronic Value of 227.3 mg C1/1. EPA has derived a Draft
National Criteria for chloride which states that the four -day
average concentration of dissolved chloride should not exceed 230
mg/1 more than once every three years, and the one -hour average
concentration should not exceed 860 mg/1 more than once every
three years on the average. Due to variable, and generally
increased, toxicity of chloride associated with cations other
than sodium, EPA also states "This criterion probably will not be
adequately protective of freshwater aquatic organisms if the
chloride is associated with potassium, calcium, or magnesium,
rather than sodium. It is reasonable to assume that chloride
discharged to freshwaters of North Carolina will ordinarily be
associated with sodium unless other specific information for a
discharger is available. Therefore, it is recommended that the
draft EPA chronic criterion of 230 mg/1 for chloride in
freshwater be used for regulatory and management purposes, such
as setting effluent limits in permits or -compliance targets for
effluent toxicity reduction, in cases where toxicity from
Chloride discharge to freshwaters is known to occur.

MEMORANDUM
To:
From:
Through:
Subject:
DIVISION OF ENVIRONMENTAL MANAGEMENT
December 9, 1988
Rex Gleason
Carla Sanderson
David Vogt
Trevor Clements
Town of Valdese WWTP
NPDES NO. NC0041696 Burke County
Effluent Monitoring Data
On November 8, 1988, Technical Support received a WLA request
for renewal of the Town of Valdese NPDES permit. As part of an
evaluation for the wasteload allocation, I reviewed the effluent
monitoring data. Their data show several violations of this
facility's TSS limit (see attached compliance monitoring analy-
sis).
If you have any questions please contact me at [phone],
ext. 514.
CC:
Steve Reid
WLA File
Central Files