NC0020605_wasteload allocation_19930426

NPDES DOCUWENT SCANNIN& COVER SHEET
NPDES Permit:
NC0020605
Tarboro WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Speculative Limits
Correspondence
Re:
Instream Assessment (67B)
Environmental Assessment (EA)
Permit
History
Document Date:
Aril 26, 1993
This dooumeat is printed on reuse paper -ignore any
content on the reverse side

NPDES WASTE LOAD ALLOCATION
PERMrr NO.: NCO020605
IUMA810001
FACIL= NAME:
Town of Tarboro
Tarboro Wastewater Treatment Plant
Facility Status: Existing
Permit Status: Renewal
Major -4 Minor
Pipe No.: 001
Design Capacity:
5.0 MGD
Domestic (% of Flow):
Industrial (% of Flow):
Comments:
RECEIVING STREAM: the Tar River
C-NSW
Sub -Basin: 03-03-03
Reference USGS Quad: D 28 NE (please attach)
County: Edgecombe
Regional Office: Raleigh Regional Office
Previous Exp. Date: 8/31/93 Treatment Plant Class: IV
Classification changes within three ��®���
No class change
Requested by: Charles Lowe Date: 1/22/93
Prepared by: �,,� �lEF. a Date: Zo ; q
Reviewed by: wY�-�tY/l0 r l Date:
3.dw t2c,Zlo 3
Modeler
Date Rec.
#
--A-W
t zs
3 t S
Drainage Area (mil ) 21 g U Avg. Streamflow (cfs): ZZ 30
7Q10 (cfs) `iO Winter 7Q10 (cfs) 21 D 30Q2 (cfs)
11
Toxicity Limits: IWC % Acute/(:;hm*
Instream Monitoring:
Qt" Fl F
Parameters 1;nweerzAruP.E�-PO. _ tF AL-coLt roNDucrivtr/
Upstream Location art McAm AT NC, 4wy 44
Downstream 4 Location )Dvwt*m� fir N,4Y42.
l-i twwN5T2ERM Ar SR l400 itl f IT" "0.
Effluent
Characteristics
Summer
Winter
BOD5 (m )
30
NH3-N (mg/1)
l0
D.O. (mg/1)
5
S
TSS (mgA)
30
F. Col. V100 ml)
oo
Zoo
pH (SU)
("-I
6 -
Od4uM L11.4)
Ike Ai I -ro
0
AW141T►R
P,p411E)_
—NoeUro2
N
uc L
sz
L
C,Y4r1io& L�l+q(L�
MONrrct�
C1.!iDa.,�r ijlr�lG�
AecN,%2
QOfL
quRarER�y
Comments: Mies sTenlc ,�r�r�rpo,s as unktTs MAY Be
V4V!Rt�p MODEL Fo(- Tdt?
lAc GjE(Z Basta

R
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
Tarboro WWTP
NCO020605
89% dom/ 11% ind
Existing
Renewal
Tar River
C-NSW
030303
Edgecombe
RRO
C. Lowe
1/22/93
D28NE
Request# 7315
t, a i�V LD
MAR 1 1 199)
DEHNR-RAL RO
Stream Characteristic:
USGS #
Date:
Drainage Area (mi2):
2180
Summer 7Q10 (cfs):
90
Winter 7Q10 (cfs):
210
Average Flow (cfs):
2230
30Q2 (cfs):
IWC (%):
7.92
Wasteload Allocation Summary
(approach taken, correspondence with region, EPA, etc.)
Tarboro received an A to C for 5 MGD in 1988. Plant was upgraded to 5 MGD in 1990, although
the average flow for the past year has been 1.9 MGD. Compliance data indicate no violations in
the past 2 years. The facility has been passing its toxicity test for the past three years.
Instream data indicate D.O.'s < 5 mg/I above and below the discharge (Rocky Mount is upstream).
Tarboro is not part of the Tar Pam Basin Association. The facility was already permitted for 5
MGD before the Nutrient Strategy was devised, so no nutrient limits are given at this time. More
stringent controls on nutrient inputs may be required after Phase I of the strategy has been
completed. More stringent controls on other limits may also be required after completion of the
basinwide model for the Tar River Basin.
Special Schedule Requirements and additional comments from Reviewers:
Recommended by:
Reviewed by
Instream Assessment:
Regional Supervisor:
Permits & Engineerin
RETURN TO TECHNICAL SERVICES BY:
APR 0 6 1995
A-Ut.

2
CONVENTIONAL PARAMETERS
Existing Limits:
Monthly Average
Monthly Average
Summer
Winter
Summer Winter
Wasteflow (MGD):
3
3
5 5
BOD5 (mg/1):
30
30
30 30
NH3N (mg/1):
9 18
DO (mg/1):
5 5
TSS (mg/1):
30
30
30 30
Fecal Col. (/100 ml):
1000
1000
1000 1000
pH (SU):
6-9
6-9
6-9 6-9
Residual Chlorine (µg/1):
Oil & Grease (mg/1):
TP (mg/1):
TN (mom):
Recommended Limits:
Monthly Average
Summer
Winter
WQ or EL
Wasteflow (MGD):
5
5
'
BOD5 (mg/1):
30
30
NH3N (mg/1):
9
18
DO (mg/1):
5
5
_ TSS (mg/1):
30
30
Fecal Col. (/100 ml):
200
200
pH (SU):
6-9
6-9
Residual Chlorine (µg/1):
Oil & Grease (mg/1):
TP (mg/1):
monitor
monitor
TN (mg/1):
monitor
monitor
Limits Changes Due To:
Parameter(s) Affected
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
(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)

3
TOMCS/METALS
Type of Toxicity Test:
Chronic Quarterly
Existing Limit:
Chr Qtrly P/F at 4.9% (3 MGD), 8% (5 MGD)
Recommended Limit:
Chr Qtrly P/F at 8%
Monitoring Schedule:
Jan, Apr, Jul, Oct
ExistingLimits
3 MGD
5 MGD
COD (mgn:
Cadmium (ug/1):
monitor
monitor
Chromium (ug/1):
monitor
monitor
Copper (ug/1):
monitor
monitor
Nickel (ug/1):
monitor
monitor
Lead (ug/1):
monitor
monitor
Zinc (ug/1):
monitor
monitor
Cyanide (ug/1):
monitor
monitor
Phenols (ug/1):
Mercury (ug/1):
Silver (ug/1):
monitor
monitor
Recommended Limits
MAP)
Daily Max.
COD (mg/):
Cadmium (ug/1):
monitor
Chromium (ug/1):
monitor
Copper (ug/1):
monitor
Nickel (ug/1):
monitor
Lead (ug/1):
monitor
Zinc (ug/1):
monitor
Cyanide (ug/1):
monitor
Phenols (ug/1):
Mercury (ug/1):
monitor
monthly
Silver (ug/1):
Chloride (mg/1):
monitor
quarterly
Silver monitoring is being deleted (no detectable values in the past three years - no pretreatment requiren:
Limits Changes Due To: Parameter(() Affected
New pretreatment information
Failing toxicity test
Other (onsite toxicity study, interaction, etc.) APAM 1991- 0.7 µg/1 Hg
APAM 1992 - 0.5 µg/1 Hg
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.
No parameters are water quality limited, but this discharge may affect future allocations.

INSTREAM MONITORING REQUIREMENTS
Upstream Location: upstream at NC Hwy 44
Downstream Location: 1) downstream at NC Hwy 42
2) downstream at NCSR 1400 in Pitt County
Parameters: temperature, DO, Fecal coliform, conductivity
Special instream monitoring locations or monitoring frequencies:
MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS
AdcQuacy of Existing Treatment
Has the facility demonstrated the ability to meet the proposed new limits with existing treatment
facilities? Yes a," 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:
-SrAK ¢cmRT I Ms TAMOM A7 5&,D Now
VPUCAT101is G*ys S
Special Instructions or Conditions
Wasteload sent to EPA? (Major) _N (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? Jr—N_ (Y or N) If yes, explain with attachments.

FacilityName _ ' "-AR6ogo IA1WTF Permit# 0CQ0Z6&05 Pi #
Pe
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
� % (defined as treatment two in the North Carolina procedure document). The permit holder shall perform
auane & 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
j_Lwo —PQ, Effluent sampling for this testis shall be
permitted final effluent discharge below all treatment processes. g°�� at the NPDES
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 ty
association with the toxicity tests, as well'as all dose/%sponse data. Total residual chlorine of the efflpuent t med
'n 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
will
begin immediately until such time that a single test is passed. Upon passing, sithis montmonthly
ly test requirem n 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 strewn, this permit may be re -opened and
modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in.t_he 0.t d document; such ,, s zninirnprm ontrol: niganism
survival and appropriate environmental.controls, shall const3ri7v �n invaltd:test.and=iL '..quire immediate
retesting(within 30 days of initial monitoring event). Failure to subnr&' suitable test results will constitute
noncompliance with monitoring requirements.
7Q 10 _ 90 cfs
Permitted Flow 5• o MGD
IWC . 7 q2. %
Basin & Sub -basin o 0303 (TAyz5
Receiving Stream TAR R,VFR
County _EU�EC�MBE
Recommended by:
_ 4h
Date _ 7-7
QCL P/F Version 9191

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02/20/93 ver 3.1
T 0% I C S R E V I E W
Facility:
NPDES Permit No.:
Status (E, P, or M):
Permitted Flow:
Actual Average Flow:
Subbasin:
Receiving Stream:
Stream Classification:
7Q10:
IWC:
Stn'd / Bkg
Pollutant AL Cone.
(ug/1) WWI)
--------- -- -------- -------
Cadmium S
Chromium S
Copper AL
Nickel S
Lead S
Zinc AL
Cyanide S
Mercury S
Silver AL
Selenium S
Arsenic S
Phenols S
NH3-N C
T.R.Chlor.AL
Pollutant
Cadmium S
Chromium S
Copper AL
Nickel S
Lead S
Zinc AL
Cyanide S
Mercury S
Silver AL
Selenium S
Arsenic S
Phenols S
NH3-N C
T.R.Chlor.AL
2.0
50.0
7.0
88.0
25.0
50.0
5.0
0.012
0.06
5.00
50.00
NA
17.0
tarboro wwtp
nc0020605
e
5.0 mgd
1.8652 mgd
'030303
tar river
c-new
90.0 efs
7.93 t
Removal
Eff.
t
92t
76t
80t
32%
52t
77%
Ot
Ot
of
Ot
Ot
Ot
OC
Ot
Domestic
Load
(4/d)
0.0200
0.3400
0.4100
0.1400
0.0300
1.1800
------------ ALLOWABLE PRDCT'D
Effluent Effluent
Cone. using
Allowable CHRONIC ACTUAL
Load Criteria Influent
(4/d) (ug/1) (ug/1)
12.52
104.32
17.53
64.80
26.08
100.96
2.50
0.01
0.03
2.50
25.04
25.226
630.645
88.290
1109.935
315.323
630.645
63.065
0.151
0.757
63.065
630.645
0.000
0.000
214.419
0.221
6.399
8.570
14.679
1.665
49.650
0.000
0.000
0.000
0.000
0.000
0.000
I --------- PRETREATMENT DATA -------------- I ---- EFLLUENT DATA---- I
I
ACTUAL
PERMITTEDI
I
I
Ind. +
Ind. + I
FREQUENCY I
I
Domestic
PERMITTED
Domestic I
OBSERVED
of Chronicl
Act.Ind.
Total
Industrial
Total I
Eflluent
Criteria I
Load
Load
Load
Load I
Cone.
Violationsl
(t/d)
--------
(4/d)
-------
(4/d)
---------
(4/d) I
-------- I
(ug/1)
--------
(4vio/4sam)l
--------- 1
0.0230
0.0430
0.1920
0.2120 I
I
0.0750
0.4150
2.8770
3.2170
6.0
1
0.2570
0.6670
6.7510
7.1610 1
39.0
1 N
0.1960
0.3360
0.3440
0.4840 I
37.0
1 P
0.0240
0.0540
1.8760
1.9060 I
25.0
I U
2.1800
3.3600
5.8120
6.9920 I
69.0
I T
I
I
I
S
I
E
I
I C
I
I T
I
I I
I
I 0
I
I N
I
PRDCT'D
PRDCT'D
I
I
--------- MONITOR/LIMIT
---------
I
I
1--ADTN'L RECMMDTN'S-- I
Effluent
Instream
I Recomm'd
using
Cone.
Based on
Based on
Based on
I FREQUENCY INSTREAM I
PERMIT
using
ACTUAL
PERMITTED
OBSERVED
I Eff. Mon. Monitor.
Influent
OBSERVED
Influent
Influent
Effluent
I based on Recomm'd 7 I
(ug/1)
(ug/1)
Loading
Loading
Data
OBSERVED (YES/NO)
--------
--------
--------
-------
---------I
-----------------
1.090
0.00
Monitor,
I A
49.603
0.48
Monitor
Monitor
I NCAC NO I N
92.014
3.09'
Monitor
Monitor
Monitor
I Monthly NO I A
21.145
2.93
Monitor
Monitor
Monitor
I NCAC NO I L
58.778
1.98
Limit
Monitor
I NCAC NO I Y
103.310
5.47
Monitor
Monitor
Monitor
I Monthly NO I S
0.000
0.00
I 1
0.000
0.00
I S
0.000
0.00
I I
0.000
0.00
I I R
0.000
0.00
I I E
0.000
0.00
I 1 S
0.00
I 1 U
0.00
I L
I T
I S
I
i� L1*v wl" w &VP
c- L(MITep D,E l0 FWVATgD ALLOWA$LE. Cfy--Lu�-A1T 1WTA SKo&v
25 As -316 AtggrR� VAWe Foe, LC P-

7301 aIg0
NPDES PRETREATMENT R&MRMATION REQUEST FORM
FACILITY NAME: NPDES NO. NC00
REQUESTER: DATE: REGION:
PERM 4CONDITIONS W7ERING P
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 % i
' Additional Conditions
�( This facility is (attached)
-1-�-- �' currently �Pl�nting a pretreatment program. �
1 Please include the following conditions:
AProgram Implementation
Additional Conditions
(attached)
SIGNIFICANT INDUSTRIAL USERS' (SIUs) CONTRIBUTIONS
i
S1ZJ FLOW - WTAL: -nAAt- '
. D 0. 4 Mia)
- COMPOISITION: '
�S D 3 9 MGD '
1 METAL FINISHING:
OTHER: MGD
MCA i
d OS MGD '
MGD '
i MGD '
HEADWOWS REVIEW
PASS
i
PARAMETER
iTHROUGH DAILY
LOAD IN LBS/DAY ACTUAL
i
i
Cd
"ALUX7ABLE DCIMESTIC
PERMITTED
i
INDUSTRIAL % REMOVAL
Cr
0.192
02LS
Q�
i Cu
o . 3'i �E
�2 .
O. O
i Ni
Pb
<o• 03
O_ .1%
3
_
CN
'
�5:g�x� • s tg
a
phenol
59� �
:Other
i
'
9Y
REVIEWED BY:
i
RETURNED:
FECHNICX S.UHURT BRANCH

I1
WHOLE CIPLLII:YI'TOXICITY T-t•STRNG 01SGLF-M01470RING StIMMARY1 Fri, Jail 15, 1093
tARDOROwwn, PERM Cl IR LIM: 8.0%
NC0o, 0- 5 ngma)l2' 88 Q PQ> JAN APR JUL OCT N..Cmap:
Caw.,:FJ%1ECOMBE R.-gion: RRO S0laain:TAR03
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l.11)1"\EALLVAC PERM CHRMONff:l9%(GRA1)
NLDW5993 Begin: W/11190 FIvS, cy: Q PT A FE-B MAY AUG NOV NonComp:
Cm Aty:UNION Regiun: MRO SubbMln: YAD14
PF: 0.0,19 SlNalai
7QIh 0.32 RYq%I: 19 r4mc
:YACO .FININGI AR FMERFRISE PERM AC MONff:24HR FT ID LC30 FPIS (ORA B)
NC002222(19 - f1com MU91 rmquercy: 5 OWDIA NonCamp:
Cnuny: G1111144U, Reninn: WSRO Sunlnwn: CPF9R
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y 89 —
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93
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92 - PASS
93
W NONE
nl NONE
!r yul
93
NC0003.155l002 Belin:0911&92 Frequrnp•: ht
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91 --
—
Pr: 51re;a
92 --
7QIO TIDAL AVCT%): Orden
93
IXASGULFm10 PITH 481IR AC Mom ro.-Ti10 h mY)
89
NC0003255NI0 Blgin:IB/(UM Faquawy:Q JAN AIR IUI. OCI'
NonCmlp:
90 --
--
Cmnty:BFAUFORT Region:W"O SUbbasin:TAR07
91 --
PF: SPeNai SOC:7r3W--3Il93 AC481M MONK
LC50MY AND FIIID
W >100mY.>IWm
7QIQ "IIDAJ- nvq%R OitleC(I,4,7,10)
93
?AFT IN L1S IU PERM CI IR LIAI:49%(GRAD)
g9 --
-
NCW76554 Begin: 12MUSN rmytwav:Q PIP A MARIUNSEPDFC
NonC9rnp;
90 --
---
(lv11)II, RAV11N Region: \YARD Snhh wn: NILM
91 ...
...
PI:: 0.1152 SI+'rla
92
7QI0: 0.00 nyC(%):IW.W 0"":
93
lOMASv1—LLE f'' PERM CUR LIM:95%
Y
N --
FAIL
NCDO24112 Begin ONOI/39 Regae :Q PJF A FEB MAY AUG NOV
NmCornp:
90 --
P,P
Coin1V:DAVO)SON Regioo:WSRO Subkuin:YAD01
9I --
FAIL
Pr;4 M S,I,ul
92 _.
PASS
7QIh 032 B\'CI%):95.1 (4tee
93
)ASfMASIEll. INC. PERM Cl III LIN:99%
89 ---
-
NCDOn5053 RCOI :05101/88 Fmquemv: Q PIP MAR JUN SEP DFC
NortComp:
90 --
--
C9unmSCOn.AND Regim: FRO Sublasin: LUhl55
91 --
-
PF:001 c 3"W
92
7Qlrt n.00 AVCCe•l:uxl.lxl
93
RANSPORTATION. NCD
OFFP F — PERM CI IR LIM:9'4 (GRAB)
B9 - --
NCO038614 Bagin Oar01/92
Frqua y:Q P/F A IANAPRIULOCF NonComp:
90 -- --
CmOty:YADMN
Region:WSRO SubWmw YADOS
91 -- --
PF:.018
Specal
92
7Q10.0.3 R\'C(%):
tartar.
93
RANsPcflwrA,n6N. Nd DEPOr
OF PERM CH R LIM:13%
89 -- --
NCDO29190 Begin:03/01193 Fmggmey: Q PIP A FEBMAYAUGNOV N=Cemp:Single
90 -- --
Cmnry:SURRY
Regim:WSRO SubbaAn:ROA03
91 - --
PF:0.mo
SpeS01
92
7QI0:. 0.3 nYq%):13
•u
93
0 2cotl .6,eefailures: aigrtificam tarromp8alwe Y Pre 1989 Data Availabk
PASS IF, - -. PASS PASS --
- PASS — ... PASS — PASS
-.. Ni ... PASS PASS _ ... PASS —
PASS -- ... PASS -- PASS -
N't PASS PASS — _. 1A PAS
PASS — PASS -- -' PASS — -. PASS _.
-- -- PASS -- -- FAIL PASS - PASS
a100" >10Mny >ION, >ingmy >100my >1[ , >t0pny >100My .10
NT >1001.>100nry-. _. >100L>100nq-- — >1=,>100nry— _.
N
H
-- -- FAIL FAIL FAIL FAIL FAIL Nor PASS --
- -- PASS -- -- FAIL FAIL PASS PASS -
PASS,P -- PASS -- — PASS PASS --
-- -- FAIL FAIL FAIL PASS.PASS -- -- PASS
H
FAIL FAIL FAIL PASS -- — PASS -
— — PASS -- — PASS -- -- FAIL PAS
LE(7GNO:
PERM=P [Requirement LET=Adntittlsgadve Leter-Target Frtyucnry=hlatltodng /rcgmnry: Q-Quarterly:M-Mmmty.Bhl-OimonNly;SA-Sertlimnualq: A-Amua'ly; O\\'D-Only wlmn tiuharging:D-Di.conunved mmiloring rcquiamem:IS-CottluningiMelem
Begin=FmmOraA«guind 7QI0=ReoeiNngsuearn low ❑av aiurim (efa) A=quanerly monitoring increaxsto nwnNly upm singk hihv<' MontbtMtwfingmusimeur-ex.JANAPRJUL,OCf NWComp= Cument C9mp1mooe Requirement
PF= Pemdtled flow (MOD) M'C%=Inslrcam worse mis¢nua8on P/F= PasafFail chronic teal AC I Acute CFIR=Chronic
Data Naadm:f- Famead M..:•-Ccdodl.hniaso.:my-blvsid shrim¢ChV -Chmuovalue:P- MottaBty ofvated peranuge at hialwtt co ouradm:at- Perfonmd by DEM At Tax GIWD: bt Badtest
Reporting Ndaum:—=Data mu<quircd: NR-Nor repoMd;( b Begitmingof Quarter FadBty ActiAly Sums l-Inac6m, N-Newly i..dT-omaewaL H- Aaixx bm Wt d.Wgmil SIG =ORC sigmtum me@d
SI

instream sprdsht
INSTREAM SELF -MONITORING DATA
MONTHLY AVERAGES
Discharger /aAQ✓//1a l�Wlf Permit Number: N��b✓5-
ReceivingDownstream Location: //rY `��
Stream: JAR OA3O3
Upstream Location: tW Downs
DATE
01/90
02/9C
03/9C
04/9C
05/9C
06/9C
07/9(
08/9(
09/9(
10/9(
11/9(
1 2/91
O1/9'
02/9
03/9
04/9
05/9
06/9
07/9
O8/9
09/9
10/9
11/9
12/9
01/9
02/9
03/9
04/9
05/9
06/9
07/f
08/5
0M
10/S
1 1 /S
12/1
0 1 P
02P
m ryy)6n FECAL COU
rrrm��c��rra�m�r��►y
, M nn (X]ND FECALCOU
�rm'crr��ec►�r�rmr
Page 1

(vjeA)li kPP(-y io (MZ$ -0,
AND A -Fo G �o4 5M4V
s,,vco w" xcervc�D ENE 2 Per I-
aE�roer,, W45 �Qos+:r�� Ok-
provide copies of any proposed wasteload allocation or
permit requiring nutrient control for an Association member
such that the Association, NCEDF, and PTRF may provide
timely comments on the proposed agency action.
$xistina Non-Associatin Fa i7itie
Iw- er
Existing non-ASsncia ion dischargers expanding to >
0MGD
will receive effluent permit limitations to remove TP to25mg/l
and TN to 4 mg/1 (summer) and 8 mg/l (winter). Less stringent
permit limitations may be obtained ifffset by nutrient -reduction
trading based upon $62/kg/yr. If a facoility chooses to
utilize the NPS trading option, with less stringent permit
limitations, a one-time up -front payment must be made to the
nutrient -reduction trading fund prior to permit issuance. This
payment will be calculated as follows:
BMP payment ($) = New Design Flow (MGD) x Excess Nutrients
(mg/1) x $62/kg/yr x Conversion Factor,
where:
Excess Nutrients (TP and
(TP limit - 2 mg/1) +
Conversion Factor = 1382
0
TN in mg/1) _
(TN limit - 6 mg/1) and
=3.7854 1/gal x 365 day/year
New dischargers will receive the following effluent permit
limitations:
- New > 50,000 gpd: 2 mg/l TP year round
w > 100,000 gpd: 2 mg/1 TP year round; 4 mg/1 TN
May -October and 8 mg/1 TN November -April
An existing facility with an NPDES permit that increases its
treatment plant capacity shall not be considered "new" within the
meaning of this section.
9• Department-1l Tar -Pamlico Ad -hoc Advi ory Committee;
rPA
The Secretary of the Department of Environment, Health and
Natural Resources may appoint a Tar -Pamlico Ad -hoc Advisory
Committee to address nonpoint source and related water quality
issues within the Tar -Pamlico Basin.
a. Ad -Hoc Cnmmi Qe Membership
_. The Committee shall include (among others):
(1) municipal and industrial dischargers,
(2) counties,
(3) Soil and Water Conservation Districts,
(4) environmental groups,
(5) DEM and DSWC representatives,
(6) appropriate representatives of the N.C. Agricultural
Task Force, and
(7) other state agencies.
-7-

MEMO.
DATE: tl _-
TO ' -`��_-
SUBJECT.
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/� North Carolina Department of Natural
Resources &Community Development