NC0020931_Complete File - Historical_19940411

DIVISION OF ENVIRONMENTAL MANAGEMENT
NC DEHNR WQ
Instream Assessment Unit
April 11, 1994
MEMORANDUM
TO: Charles Alvarez
THROUGH: Ruth Swanek r2c
Carla Sanderson
FROM: Michelle Wilson
SUBJECT: Boonville WWTP
NCO020931
Yadkin County
MBAS Monitoring Requirement
This is in response to the Town of Boonville requesting the
requirement for monitoring MBAS weekly be deleted from their
permit.
Upon reviewing the Waste Load Allocation File I did not find
significant reasoning for requiring the MBAS monitoring. In
addition, I discussed this matter with Jim Johnston from the WSRO
and he did not feel this requirement would be necessary.
Furthermore, a site investigation indicated to me that this facility
was not having any visible foam problems. Therefore, I recommend
that the MBAS monitoring requirement be removed from the Town
of Boonvilles NPDES permit.
C C : Ce-A� ro-1 F + le,s

`'MRR-22-1994 08:46 FROM
TO 989197339919 P.01
North Carolina Department of
Environment, Health, and Natural
Resources 1;
Division of Environmental Management.
Water Quality Section
Winston-Salem Regional Office
FAX
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8025 North Point Blvd., Suite 100. Winston -Seism, NC 27106-3203 9 919406.7007 9 FAX 919.W-7005

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'.MAR-22-1994 08:47 FROM TO 983197339919 P.82
RECEIVED
N.C. Dept, of EHNR
! Water Quality
Permits and Engineering Unit MAR 2 2 1994
i Winston-Salem
March
i 1, 1994 Regional Office
To: Ruth Swanek,, IInstream Assessment Unit
From: Charles Alva ref Environmental Engineer, g veer, NPISES permits, WQ
Subject: Boonville WWxp, NCO020931, Yadkin County
Attached please find a letter from Tony Reece, mayor of
Boonville. The mayor states that the town would like to have MBAS
monitoring removed from their permit. Please comment on whether
this request is appropriate.
If you need any more information please call me at 733-5083
ext 553. j

-.MAR-22-1994 08:47 FROM
TO 989197339919 P.03
TONY REECL
MAYOR
" OWN O F B O O N V I L L E
61R6CRANDYTOR--pUcIC PUBLIC WORKS
COMMISSIONERS;
KATHY SIENTON
WAYNE copK
TOWN CLERK
RENNIE HuosPETH
•T. L. HUTCHENS
RENNIE TURNER
CH16F OF POLICC
SARAH slzizmCRE
DEAN NORMAN
RENNIE WEBB
cFtlar
f1 , tF�IIRE
I'. a. sax 3zB
BOONVILLE. NORTH CAROLINA 27011
1910) 367.7941
March 14, 1994
i
Mr. Dave Goodrich,
IV'PDES , Permits Group
NC ,DEHM
P.O. Box 29.535
Paleigh, N.C. 27626-0535
REF-* Draft Permit NPOES No. NCO020931
Town of Boonville
Schedule to Issue Date - 4/29/94
Dear Mr. Goodrich:
`Ihe TOm of Boonville respectfully requests consideration of deleting the
'L�t
reSL for monitoring NBAS weekly.
Presently, the Town has only one law4romat with 11 washing machine, we
have one major industry
which washes their floors lair wash run) two or
three times per week with a mild detergent and Clorox.
jowever, the Townes
effluent has shown. no evidence of foam, not evidence that this is a problem
at cur
plant. I.
Please reconsider and drop this monitoring requirement as our Town :Ls small
and this would definitely increase
lab expenses.
4�
Thank you .for your consideration,
Simerely,
Tony eece
Mayor, Town of Boonville
�
-=s
TOTAL P.03

NPDES WASTE LOAD ALLOCATION
PERMIT NO.: NCO020931
PERMITTEE NAME: Town of Boonville
FACILITY NAME: Boonville WWTP
Facility Status: Existing
Permit Status: Renewal
Major Minor �(
Pipe No.: 001
Design Capacity: 0.200 MGD
Domestic (% of Flow): 100 %
Industrial (% of Flow): ? %
Comments: r,,,, // /4, �,--
U% ;IV
RECEIVING STREAM: Tanyard creek
Class: C
Sub -Basin: 03-07-02
Reference USGS Quad: CI6NW (please attach)
County: Yadkin
Regional Office: Winston-Salem Regional Office
Previous Exp. Date: 9/30/93 Treatment Plant Class: II
Classification changes within three miles:
Requested by: Charles Alvarez
Prepared by:
Reviewed by:
Date: 9/22/93
Date: a Y 9
Date: I I
Modeler
Date Rec.
#
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Drainage Area (mi` ) yl Avg. Streamflow (cfs) _
7Q10 (cfs) d. D7-OWinter 7Q10 (cfs) d, A 30Q2 (cfs) O
Toxicity.Limits: IWC _ F1 % Acute/ oni
Instream Monitoring:
Parameters p e-nC o d
Upstream ✓ Location v sAe_a�
Downstream Location_j� /3b 7
Characteristics
BOD5 (m )
NH3-N (mg/1)
D.O. (mg/1)
TSS (mg/1)
F. Col. (/100 ml)
pH (SU)
rr3A-
Comments:
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FACT SHEET FOR WASTELOAD ALLOCATION
Request # 7602
Facility Name:
Town of Boonville
NPDES No.:
NCO020931
Type of Waste:
Domestic
Facility Status:
Existing
Permit Status:
Renewal
Receiving Stream:
Stream Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Topo Quad:
Tanyard Creek
C
03-07-02
Yadkin
Winston-Salem
Charles Alvarez
9/22/93
C16NW
Wasteload Allocation Summary
(approach taken correspondence with region EPA etc
Stream Characteristic:
USGS #
Date:
Drainage Area (mi2): 0.41
Summer 7Q10 (cfs): 0.075
Winter 7Q10 (cfs): 0.2
Average Flow (cfs): 0.5
30Q2 (cfs): 0.2
IWC (%): 81
Dilution: 1.2:1
According to DMRs, facility easily meets all limits except DO. Dos are
uncharacteristically low. Region should check on the sampling oint and r5�5/x.
change it if necessary. ")tV7_t
4r CIC jf)I (WAM 1®y�G`brr
Special Schedule Requirements and additional comments from Reviewers:
Recommended by: )9A r'� `� "� Date: WI693
Betsy s n
Reviewed by
Instream Assessment: �fGZ Date: a
Regional Supervisor: Date:
Permits & En ineerin : �� D r
g g ate.
RETURN TO TECHNICAL SERVICES BY: JAN 1 8 1994
s yl Y} LP 1 1 tj
_ 34.i a.3 is

t
2
CONVENTIONAL PARAMETERS
Existing Limits:
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
PH (SU):
Residual Chlorine (pg/1);
Oil & Grease (mg/1):
TP (mg/1):
TN (mg/1):
Rcommended Limits:
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
PH (SU):
Residual Chlorine (pg/1):
Oil & Grease (mg/1):
MonthlyAverage
Summer Winter
0.20 0.20
30 30
5 3
30 30
1000 1000
6-9 6-9
monitor monitor
monitor
monitor monitor
monitor monitor
monitor
monitor
TP (mg/1):
TN (mg/1):
Inn,�
BA6 (r11) rn#x, tM►% /-a �- ran
Limits Chanaes Due To:
Change in 7Q10 data
Change in stream classification
Relocation of discharge
Change in wasteflow
Other (onsite toxicity study, interaction, etc.)
Instream data
New regulations/standards/procedures
New facility information
U"
Parameter(s) Affected
Fecal, Cl
(explanation of any modifications to past modeling analysis including new
flows, rates, field data, interacting discharges)
a

TOXICS/METALS
Type of Toxicity Test: Chronic quarterly (Ceriodaphnia)
Existing Limit: 81 % (have been testing at 67%)
Recommended Limit: 81%
Monitoring Schedule: Jan, Apr, Jul, Oct
Limits Changes Due To: Parameter(s) Affected
Change in 7Q10 data
Relocation of discharge
Change in wasteflow
New pretreatment information
Failing toxicity test
Other (pollutant scan)
Parameter(s) are water quality limited. For some parameters, the
available load capacity of the immediate receiving water will be consumed.
This may affect future water quality based effluent limitations for additional
dischargers within this portion of the watershed.
•Q
No parameters are water quality limited, but this discharge may affect
future allocations.
INSTREAM MONITORING REQUIREMENTS
Upstream Location: above discharge
Downstream Location: SR 1367
Parameters: DO, Temp, Fecal, Cond
Special instream monitoring locations or monitoring frequencies:
MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS
Adequacy of Existing Treatmen
Has the facility demonstrated the ability to meet the proposed new limits with
existing treatment facilities? Yes — No
If no, which parameters cannot be met?.
Would a "phasing in" of the new limits be appropriate? Yes No V

4
If yes, please provide a schedule (and basis for that schedule) with the regional
office recommendations:
If no, why not?
Special Instructions or Condition
Wasteload sent to EPA? (Major) (Y or N)
(If yes, then attach schematic, toxics spreadsheet, copy of model, or, if not
modeled, then old assumptions that were made, and description of how it fits
into basinwide plan)
Additional Information attached? (Y or N) If yes, explain with
attachments.

Facility Name- � �` �ooK.� ale Gv�v�`7 Permit # A16" Zo 13 / Pipe # a o
CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic Bioassay
Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration al which there may be no observable inhibition of reproduction or significant mortality
is —EL96 (defined as treatment two in the North Carolina Lprocedure document). The pewit holder shall perform
jY monitoring using this procedure to establish compliance with the permit condition. The first test will be
performed i ter thirty ys from the effective date of this permit during the months of
JkN : 12: Ju L , D cI . 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 Environmental Sciences Branch
North Carolina Division of
Environmental Management
4401 Reedy Creek Road
Raleigh, N.C. 27607
Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in
association with the toxicity tests, as wellas all dose,%sponse 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 limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism
survival and appropriate environmental controls, shall constitute an invalid 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 d 0 75` cfs
Permitted Flow o, A MGD
IWC 81 %
Basin & Sub -basin D - a7- 41A
Receiving Stream
County1��
Recommended by:
Date IRP 13 9.3
QCL P/F Version 9191