NC0026271_Regional Office Historical File Pre 2018 (23)

�,t7V;ROCli�4 .?y'i'� 'LIRASTE CES
N' `''�'1�1'D�E WLOAD ALLOCATION
1995 Modeler Date Rec. #
PERMIT NO.: NC0026271 7 d �Z sty
Town of Taylorsville nF Ft�, ,1t9EtI- t",R§,AvL;aEt1I 2
PERMITTEE NAME: ,""""' 3 3 Avg. Streamflow (cfs):
FACILITY NAME:
Taylorsville Wastewater 11i=aatin�eri�kP]Ikk 11 Ut Drainage Area (mi ) % . g
Facility. Status: Existing
Permit Status: Modification
Major
Pipe No
001
Minor _q
Design Capacity: 0.Y3 MGD*
Domestic (% of Flow): 75
Industrial (% of Flow): 25 %
Comments:
Requested increase from 0.43 MGD Industrial flow is from a denim -
manufacturer
RECEIVING STREAM: the Lower Little River
Class: C
Sub -Basin:
03-08-32
Reference USGS Quad: D14NW
Count • Alexander
(please attach)
y•
Regional Office: Mooresville Regional Office
Previous Exp. Date: 00/00/00 Treatment Plant Class: class III
Classification changes within three miles:
No change within three miles.
Reques
ted by- Greg Niziclo� Date: 7/14/95
t Date: j�Z? y5
Prepared by: _ ��1. i
/ ate: S�
Reviewedi/b - P f
� 1
7Q10 (cts) 19.9 Winter 7Q10 (cfs) 25,3 30Q2 (cfs)
Toxicity Limits: IWC % A c u t <hronie•
Instream Monitoring:
Parameters
Upstream
Downstream
Location
Location
Effluent
Characteristics
Summer
Winter
BOD5 (m .)
3 o
30
N1­13-N (mg/1)
/% o
AV
D.O. (mg/1)
v�,r
✓�✓
TSS (mg/1)
30
3 0
F. Col. (/100 ml)
Z00
Zoo
pH (SU)
.cJu�-C
l /t,liy�t�tr.� Cif-�'c•
G ioy
Comments:
1

Facility Name:
NPDES No.:
Type of Waste:
Facility Status:
Permit Status:
Receiving Stream:
Stream Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Topo Quad:
FACT SHEET FOR WASTELOAD ALLO(',AT10N
Taylorsville WWTP
NC0026271-
75% Domestic/ 25% Industrial
Existing
Renewal
Lower Little River
C
030832
Alexander
Mooresville
Nizich
7/14/95
D14NW
Request # 8325 (a)
Stream Characteristic:
USGS #
Date:
Drainage Area (mi2):
73.3
Summer 7Q10 (cfs):
14.4
Winter 7Q10 (cfs):
25.3
Average Flow (cfs):
84.3
30Q2 (cfs):
35.2
IWC (%):
4.4
%_0
Wasteload Allocation Summary
(approach taken, correspondence with region, EPA, etc.)
Facility requesting expansion from 0.43 MGD to 0.83 MGD. Spec letter sent to Town 6/1/95 with
tentative limits of 30 & 9.5 (summer NH3 tox), fecal, chlorine of 28 µg/l and chronic toxicity limit
of 8%. Effluent monitoring for copper, cyanide, zinc and chlorides was recommended in the spec
because of textile and furniture wastewater.
Special Schedule Requirements and additional comments from Reviewers:
Recommended by: �'Z&d Date:_ 8/28/95_
Reviewed by
Instream Assessment: � R'/h 0 Date: S
-� N.C. DEPr. OF
ENViR � y� �� �� ' i ONM NT, HEAT;
Regional Supervisor: L Date: / y� NATURAL RE6OURC
Permits & Engineering: r D3EP 14 1995
RETURN TO TECHNICAL SERVICES BY: O C i 10 1995 WSION OF El11'EACNMEkiAI '!AN1GE
MOEMILE REGIONAL OFFICE

2
Existing" Limits:
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
pH (SU):
Residual Chlorine (µg/1):
Temperature (C):
TP (mg/1):
TN (mg/1):
Recommended Limits:
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col: (/100 ml):
pH (SU):
Residual Chlorine (µg/1):
Temperature (C):
TP (mg/1):
TN (mg/1):
CONVENTIONAL PARAMETERS
Monthly Average
Summer Winter
0.430 0.430
30 30
17.8 monitor
nr nr
30 - 30
200 200
6=9 6-9
monitormonitor
monitor monitor
monitor monitor
monitor monitor
Monthly Average
Summer Winter
0.430 0.430
30
30.
17.8
monitor
nr
nr
30-
30
200 `
200
6-9
6-9
monitor
monitor
monitor
monitor
monitor'
monitor
monitor
monitor
Limits Changes 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
WQ or EL
Parameter(s) Affected
(explanation of any modifications to past modeling analysis including new flows, rates, field data,
interacting discharges)
(See page 4 for miscellaneous and special conditions, if applicable)

TOXICS/NIETALS
Type of Toxicity Test: ' Chronic Ceriodaphnia P/F
Existing Limit: 4.4%
Recommended Limit: 4.4%
Monitoring Schedule: JAN APR JUL OCT
Existing Limits
Daily Max.
Copper (ug/1):
monitor
Zinc (ug/1):
monitor,
Cyanide (ug/1):
monitor
Chlorides (mg/1):
monitor
Recommended. Limits
Daily Max.
Copper (ug/1): monitor
Zinc (ug/1): monitor
Cyanide (ug/1): , monitor
Chlorides (mg/1): monitor
Limits Changes Due To:
Change in 7Q10 data
Change in stream classification
Relocation of discharge
Change in wasteflow
New pretreatment information
Failing toxicity test
Other (onsite toxicity study, interaction, etc.)
WQ or EL
X_ 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 -.-
[VA
No parameters are water quality limited, but this discharge may affect future allocations:

t
4
z.�
INSTREAM MONITORINQ REQUIREMENTS
Upstream Location:
Downstream Location:
Parameters:
Special instream monitoring locations or monitoring frequencies:
MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS
A_ deauacy of Existing_ Treatment
Has the facility dem nstrated 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 ✓�
If yes, please provide a schedule (and basis for that schedule) with the regional
office recommendations:
If no, why not?
1, tfltJ5 we.
Special Instructions or.Conditions
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 Taylorsville WWTP Permit # NC0026271 _ Pipe # 001 —
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 at which there may be no observable inhibition of reproduction or significant mortality
is _8_% (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 the effective date of this permit during the months of
_JAN APR JUL 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: 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 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 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. r•
7Q10 14 cfs
Permitted Flow 0.130 MGD
IWC
Basin & Sub -basin CTB32
Receiving Stream Lower Little River
County Alexander
R ommended by:
ate 8/25/95
QCL P/F Version 9191

NPDES WASTE L
AD ALLOCATION
PERMIT NO.: NCO026271
PERMITTEE NAME: Town of Taylorsville i�!
FACILITY NAME: Taylorsville Wastewater Treatment Plant
Facility Status: Existing
Permit Status.- Modification
Major
Minor
Pipe No.: 001
Design Capacity: 0.83 MGD*
Domestic (% of Flow):
Industrial (% of Flow);
75%.
25 %
Comments:
Requested increase fi-om 0.43 MGD. Industrial flow is from a.denim
manufacturer
RECEIVING STREAM: the Tower Tittle River
Class: C
Sub -Basin: 03-08-32
Reference USGS Quad: D 14NW (please .attach)
County. Alexander
Regional .Office: Mooresville Regional Office
Previous Exp. Date: 00/00/00 Treatment Plant Class: class III
Classification changes within three miles:
No change within three miles.
Requested by: Greg Nizi=43 Date: 7/14/95
Prepared by: A � Date:
Reviewe y. D te:
mop ^ Z6 7
Modeler Date Rec. #
9q3z5'�,
2
Drainage Area (mi ) 13, 3 Avg. Streamflow (cfs):
7Q10 (cfs) /4 Winter 7Q10 (cfs) 25- . 30Q2 (cfs)_
Toxicity Limits: IWC % Acu hronic C
Instreain Mo>utoring:
Parameters
Upstream Location
Downstream Location
I
as -
Effluent
Characteristics
Summer
Winter
BOD5 (mg/1)
6
3c
NH3-N (mg/1)
9, S
1-41 4z"
D.O. (mg/1)
41,
TSS (mg/1)
30
3�
F. Col. (/100 ml)
2,C3u
Z0, u
pH (SU)
G - ?77Q
y
4kll
61
Comments:

Facility Name:
NPDES No.:
Type of Waste:
Facility Status:
Permit Status:
Receiving Stream:
Stream Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Topo Quad:
FACT SHEET FOR WASTELOAD ALLOCATION
Taylorsville WWTP
NCO026271
75% Domestic/ 25% Industrial
Existing
-1 wal- �Ec pck r)5 to V\
Lower Little River
C
030832
Alexander
Mooresville 5f,
Nizich
7/14/95
D 14NW
Request #
8325(L)
Stream Characteristic:
USGS #
Date:
Drainage Area (mi2):
Summer 7Q10 (cfs):
Winter 7Q10 (cfs):
Average Plow (cfs):
30Q2 (cfs):
IWC (%):
1990 LowFlow Re
Updated 9/94
73.3
14
25
88
35
8
s+
cn "�
Wasteload Allocation Summary 1201
c n
(approach taken, correspondence with region, EPA, etc.)
Facility requesting expansion from 0.43 MGD to 0.83 MGD. Spec letter sent to Town 6/l/95 wid?
tentative limits of 30.& 9.5 (summer.NH3 tox), fecal, chlorine of 28 µg/1 and chronic toxicity limi� q c
of 8%. Effluent monitoring for copper, cyanide, zinc and chlorides was recommended in the spec }, a
because of textile and furniture wastewater. G
s
Special Schedule Requirements and additional comments from Reviewers:
Recommended by: i Date: _ 8/28/95_
Reviewed by
Instream Assessment:
Regional Supervisor:
Permits & Engineerin
My ?sue
' N.G DEPT. OF
7i IRONIviENT, HEALTH,
NATURAL RESOURCES
RETURN TO TECHNICAL; SERVICES BY: O C T 1 0 1995
Note �• �..,.T eF o-i{� cc. � 0.`�1�15 'C. �1`1���� —-'C�.�� i s ve.y.s.,.... '�r d..,�� �.,..
SEP 14 1995
Wag CT 00801VA1 MAKAREKEN1
Ai NESVILIL Kwu OFFICE
C. S

W,
2
Existing Limits:
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TS S (mg/1):
Fecal Col. (/100 ml):
pH (SU):
Residual Chlorine (µg/1):
Temperature (C):
TP (mg/1):
TN (mg/1):
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TS S (mg/1):
Fecal Col. V100 ml):
pH (SU):
Residual Chlorine (µg/1):
Temperature (G7:
TP (mg/1):
TN (mg/1):
CONVENTIONAL PARAMETERS
Monthly Average
Summer Winter
0.430.. 0.430
30
30
17.8
monitor
nr
nr
30
30
200
200
6-9
6-9
monitor
monitor
monitor
monitor
monitor
monitor
monitor
monitor
Monthly Average
Summer Winter
0.830 0.830
30
30
9.5
monitor
Jjr , .,
nr
30
30
200
200
6-9
6-9
28
28
monitor
monitor
monitor
monitor
monitor
monitor
Limits Changes Due To:
Change in 7QQ10 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
WQ or EL
Cl
(explanation of any modifications to past modeling analysis including new flows, rates, field data,
interacting discharges)
(See page 4 for miscellaneous and special conditions, if applicable)

TOMCS/METALS
Type of Tonicity Test: Chronic Ceriodaphnia P/F qv--(L,
Existing Limit: 4.4%
Recommended Limit: 8 %
Monitoring Schedule: JAN APR JUL OCT
Existing Limits
Daily Max.
Copper (ug/1): monitor
Zinc (ug/1): monitor
Cyanide (ug/1): monitor
Chlorides (mg/1): monitor
Recommended Limits
Daily Max.
Copper (ug/1): monitor
Zinc (ug/1): monitor
Cyanide (ug/1): monitor
Chlorides (mg/1): monitor
Limits Changes Due To:
Change in 7Q10 data
Change in stream classification
Relocation of discharge
Change invasteflow
New pretreatment information
Failing toxicity test
Other (onsite toxicity study, interaction, etc.)
WQ or EL
X 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 additiorial dischargers within this portion of the watershed.
10)
No parameters are water quality limited, but this discharge may affect future allocations.

4
INSTREAM MONITORING REQUIREMENTS
Upstream Location:
Downstream Location:
Parameters:
Special instream monitoring locations or monitoring frequencies:
MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS
AAdd .quacy of Existing Treatment
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 Noy
If yes, please provide a schedule (and basis for that schedule) with the regional
office recommendations:
If no, why not?
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.

-W
Facility Names Taylorsville WWTP Permit # NC0026271 _ Pipe # 001
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 at which there may be no observable inhibition of reproduction or significant mortality
is 8_% (defined as treatment two in the North Carolina procedure document). The permit holder shall
perform quamrly monitoring using this procedure to establish compliance with the permit condition. The first
test will be performed after thirty days from the effective date of this permit during the months of
_JAN APR JUL 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 pemut 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 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 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(witiun 30 days of initial monitoring event): Failure to submit suitable test results will constitute
noncompliance with monitoring requirements.
7Q10 14 cfs
Permitted Flow 0.830 MGD
IWC 8 — %
Basin & Sub -basin CTB32
Receiving Stream Lower Little River
County Alexander
Regommended by:
��ate /25/95
QCL PIF Version 9191