NC0020605_wasteload allocation_19900209

NPDES DOCUMENT SCANNING 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: February 9, 1990
This document is printed on reuse paper-ignore any
content on the reverse side

NPDES WASTE LOAD ALLOCATION
Modeler Date Rec. #
TICS (0 03 S't o6S R
PERMIT NO.: NC002DIf05
2
FACILITY NAME: icrbOro Drainage Area (mi ) 217D Avg. Streamflow (cfs):,,') 3D
Facility Status: [4+'bhnq 7Q10 (cfs))0Winter 7QI0 (cfs) al_30Q2 (cfs)
Permit Status: Ian duC f� ryu> i o m 7 G Toxicity Limits: IWC % Acute/Chronic
Minor'
pe purl rh
✓ Instream Monitoring:
Pipe No.: I Parameters _
Design Capacity: �? ryyyj Upstream Location
Domestic (% of Flow): j$ Downstream Location
Industrial (% of Flow): 22
Effluent Summer Winter
Comments: Characteristics
BOD2 (mg/1)
NH -N (mg/1)
3
D.O. (mg/1)
RECEIVING STREAM: Tgr rf�j X4- TSS (mg/1)
Class: C - NShJ F. Col. (/100 ml)
Sub-Basin:
Reference USGS Quad: J nNE (please attach) pH (SU)
County: Ed grc robe.
Regional Office: 1�3165k All tjrn4n Kerne ,-n
Requested by: Date:
Prepared by: L Date:
Reviewed by: �- Date: 8 Zb
Comments: f2rtnmmend e.ffluenf n'tDn,1D✓inC (a CLdmw
CNrUnwm VLd C(40 i(ke C )d �5'lvU- 1 kcl),hi FxrT�
ro 5 r men kt z Gov r)7Cb l should be- �rrlu�ed I on
new D2 .Mk , L.&L d htwz).

Request No. : 400'Er (Ajg)
------------------- WASTELOAD ALLOCATION APPROVAL FORM -------------------
Facility Name: Tarboro
NPDES No. : NC0020605 ,.
Type of Waste: 78% domestic
Status : Existing
Receiving Stream: Tar River
Classification: C
Subbasin: 030303 Drainage area: 21io", '
County: Edgecombe Summer 7Q10 : 90 . 00
Regional Office: RRO Winter 7Q10 : 210 . 00
Requestor: Average flow: 2230
Date of Request : 30Q2 :
Quad:
-------------------- RECOMMENDED EFFLUENT LIMITS -------------------------
Wasteflow (mgd) :
BOD5 (mg/1) :
NH3N (mg/1) : t
DO (mg/1) :
TSS (mg/1) :
Fecal Coliform (/100ml) :
pH (su) :
Toxicity Testing Req. :
---------------------------- MONITORING ----------------------------------
Upstream (Y/N) : Y Location:
Downstream (Y/N) : Y Location:
----------------------------- COMMENTS -----------------------------------
Reopening the NPDES permit to incorporate effluent monitoring for cadmium,
chromium, lead, cyanide, and silver. If the facility expands to 5 mgd,
effluent monitoring for nickel should also be added.
See attached memo. i&5ed on nCwor rta.sed prefrra.f+ntnf -40fMahvn)
--------------------------------------------------------------------------
Recommended by: Jy' C. &&4AUj Date: ILAj/9C)
Reviewed by
Tech Support Supervisor: ,4 Date: __ /y/qo
Regional Supervisor: Date:
Permits & Engineering: Date : I/t�
RETURN TO TECHNICAL SERRVICE�S BY:
Sew c C-14 ;

Division of Environmental Management
January 4, 1990
MEMORANDUM
TO: WLA file
FROM: Ruth Swanek
SUBJECT: Reopening permit for. Tarboro WWTP
NPDES No. NC0020605
Edgecombe County
The Technical Support Branch has recently evaluated newly
submitted pretreatment headworks information for the subject
facility. This information on these 307 (a)' priority pollutants was
either not available when Tarboro' s NPDES permit was last renewed
or beeauss the POTW' s effluent composition has changed substan-
tially since permit issuance. After review of this data, it has
been determined that the NPDES permit should be reopened, pursuant
to Part III, Condition E of the subject permit, for the addition of
effluent limits arid/or monitoring requirements for the parameters
indicated on the attached approval form. Existing permit limits
and/or monitoring requirements not detailed in the attached
approval form should remain unchanged.

NPDFS PREMT EATN N1' INFORMATION REQUEST FORM
'FACILITY NAME: '
i I O�c/'�C�t/'O NPDF� NO. NOD 0
REQUESTER: d(?lMP.1/\r�S DATE: / / Ra;ION: 12O
PERMIT CONDITIONS COVERING PRFM ATf ZV
This facility has no SIUs and should not have pretreatment
� P language.
This facility should and/or is developing a pretreatment program.
Please include 'the following conditions:
Program Developnent '
Phase I due
' Phase II due %
' Additional Conditions
(attached)
This facility is currently i plementing a pretreatment program.
Please include the following conditions:
' Program Implementation
Additional Conditions
(attached)
SIGNIFICANT' INDUSTRIAL USERS'. (SIUs) OONI'RIB[TI'IONS
SIU F q - TOTAL:
M'POS ITION; ':EXTI LL: MGD '
,
METAL FINISHING: Ma)
i OTHER' NSCD '
i
i
MGD '
i
MGD '
HEAIX90RKS REVIEW c`�b�5 VLOI Ivic-LQ:�:E
' PARAMETER 'pj T fg,—acT—DAILY LCM IN LBS/DAY
' ReTUA�
i I ALI, MLE DC�STIc PERMITTED 96
la.S-?- �
Dooa Q. 15 0.o6
Cu Io�l .- $ 6. _ a. (o( O.a(oa
D. LII q I dal l $ a
Ni 3 b .4S O, I D, 3� ©.16 3
.I 0.3 t. 9 0. 34,5 81
Zn _
i
1.!8 S. 13
© — ?
Phenol
_. '
' Other 0 0 �6
0.o3 p q� �
RECEIVED: 6 / RE<lIE4lID Y: RETURNED. /�/

P A2�,
C VV\-G�
a 3 a -7(Z e
tf-
!A O!l ! 6r�i�q ylDa 1
`t00 mly3
s� Paf�lo��
k h cn
fo
Lk

T 0 X I C S R E V I E W 12/20/89
-------------------------- ver 3.0
Facility:Tarboro
NPDES Permit NO.:NC0020605
Status (E, P, or M): E 1
Permitted Flow: 5.00 mgd
Actual Average Flow: 2.22 mgd
Subbasin: 030303
Receiving Stream: Tar River
Stream Classification: C
7Q10: 90:00 cfs
IWC: 7.9 %
s 6------------ P R E T R E A T M E N T D A T A ---------------- --- EFFLUENT DATA ---
ACTUAL ACTUAL PERMITTED I I
l or Ind. + Ind. + I ACTUAL ACTUAL l
l Default ACTUAL Domestic PERMITTED Domestic I Maximum Weekly l
Standard . Acute I Removal Allowable Domestic Industrial Total Industrial Total I Daily Average l
Pollutant AL Criteria I Eff. Load Load Load Load Load Load I Value Value I
(ug/1) (ug/1) I % (#/d) (#/d) (#/d) (#/d) (#/d) (#/d) I (ug/1) (ug/1) I
--------- -- ------ ---------I --------- --------- --------- --------- -------- ------- -------- I --------- --------- I
Cadmium S 2.0 1.79 l 92% 12.59 0.02 0.08. 0.10 0.15 0.170 I I
Chromium S 50.0 984 l 76% 104.94 0.34 0.26 0.60 2.61 2.950 I I
Copper AL 7.0 9.2 l 82% 19.59 0.41 1.21 1.62 6.48 6.890 l 0.41 l
Nickel S 88.0 789 I 32% 65.19 0.14 0.16 0.30 0.32 0.460
Lead S 25.0 34 l 81% 66.28 0.33 0.35 0.68 1.69 2.020 l I
Zinc AL 50.0 65 l 77% 109.50 1.18 2.45 3.63 5.10 6.280 I 118.00 I
Cyanide S 5.0 22.0 l 59%. 6.14 0.28 0.00 0.28 0.00 0.280 I I
Mercury S 0.012 2.4 l 86% 0.04 0.00 0.00 0.00 0.00 0.000 I I
Silver AL 6.060 1.2 l 94% 0.50 0.03 0.00 0.03 0.00 0.030 I I
Selenium S 5.0 20 l 50% 5.04 0.00 0.00 0.00 0.00 0.000 I I
Arsenic S 50.0 360 l 40% 41.98 0.02 0.00 0.02 0.00 0.020 I I
Phenols S NA I I I
A N A L Y S I S R E S U L T Sese��aao����as�aoo�o=e��a�a�a=o��eee
I I Monitor / Limit / Special Condition* I .
I Allowable Allowablel Predicted Predicted I I
l Effluent Effluent l on ACTUAL on PERMIT.[ Actual Actual l INSTREAM MONITORING i
Bkg I Conc. Conc, l Influent Influent l ACTUAL PERMITTED Daily Max. Wk. Avg. l Based on Based on l
Pollutant Conc. l CHRONIC ACUTE l Data Data l Influent Influent Effluent Effluent l Actual Actual l
(ug/1) l (ug/1) (ug/1) l (ug/1) (ug/1) l Loading Loading Data Data l Daily Max. Wk. Avg. l
--------- -- ------ I -------- -------- I --------- -------- I -------- -------- --------- --------- I -------- -------- I
cadmium S 0.90 l 14.774 12.125 l 0.415 0.734 l Monitor Monitor I I
Chromium S 0.00 i 630.645 12915.133 l 7.799 38.217 I Monitor Monitor I I
Copper AL 0.14 l 86.665 114.665 l 15.750 66.944 l Monitor Monitor I I
Nickel S 0.00 [ 1109.935 9951.581 I 11.122 16.884 l Monitor Monitor I I
Lead S 0.00 l 315.323 426.064 l 6.923 20.717 l Monitor Monitor l l
Zinc AL 2.23 l 604.748 794.446 l 45.017 77.967 I Monitor Monitor Monitor I I
Cyanide S 0.00 l 63.065 277.484 l 6.197 6.197 l Monitor Monitor I I
Mercury S 0.00 l 0.151 30.271 l 0.000 0.000 I I I
Silver AL 0.00 [ 0.757 15.514 l 0.097 0.097 l Monitor Monitor i l
Selenium S 0.00 i 63.065 252.258 I 0.000 0.000 l I I
Arsenic S 0.00 I 630.645 4540.645 l 0.648 0.648 I I I
Phenols S 0.00 I 0.000 0.000 l 0.000 0.000 I I I

T O X I C S R E V I E W 12/15/89
-------------------------- ver 3.0
Facility:Tarboro
NPDES Permit No.:NC0020605
Status (E, P, or M): E
Permitted Flow: 3.00 mgd
Actual Average Flow: 2.22 mgd
Subbasin: 030303
Receiving Stream: Tar River
Stream Classification: C
7Q10: 90.00 cfs
IWC: 4.9 $
___________ P R E T R E A T M E N T D A T A =________________ ___= EFFLUENT DATA
I ACTUAL ACTUAL PERMITTED I I
I or Ind. + Ind. + I ACTUAL ACTUAL l
I Default ACTUAL Domestic PERMITTED Domestic I Maximum Weekly I
Standard Acute I Removal Allowable Domestic Industrial Total Industrial Total I Daily Average I
Pollutant AL Criteria I Eff. Load Load Load Load Load Load I Value Value 1
(ug/1) (ug/1) I 8 (#/d) (#/d) (#/d) (#/d) (#/d) (#/d) I (ug/1) (ug/1) I
--------- -- ------ ---------I --------- --------- --------- --------- -------- ------- -------- I --------- --------- I
Cadmium S 2.0 1.79 1 92% 12.59 0.02 0.08 0.10 0.15 0.170 I I
Chromium S 50.0 984 j 76% 104.94 0.34 0.26 0.60 2.61 2.950 I I
Copper AL 7.0 9.2 1 824 19.59 0.41 1.21 1.62 6.48 6.890 1 0.41 l
Nickel S 88.0 789 l 32% 65.19 0.14 0.16 0.30 0.32 0.460 i I
Lead S 25.0 34 l 81% 66.28 0.33 0.35 0.68 1.69 2.020 I I
Zinc AL 50.0 65 l 77% 109.50 1.18 2.45 3.63 5.10 6.280 I 118.00 I
Cyanide S 5.0 22.0 1 59% 6.14 0.28 0.00 0.28 0.00 0.280 I I
Mercury S 0.012 2.4 I 86% 0.04 0.00 0.00 0.00 0.00 0.000 I I
Silver AL 0.060 1.2 l 94-% 0.50 0.03 0.00 0.03 0.00 0.030 I I
Selenium S 5.0 20 l 50% 5.04 0.00 0.00 0.00, 0.00 0.000 I I
Arsenic S 50.0 360 l 40% 41.98 0.02 0.00 0.02 0.00 0.020 I I
Phenols S NA I I I
NA L Y S I S R E S U L T S ====m�====_____=====v==a=====6=====_____�__
I I Monitor / Limit / Special Condition* I
I Allowable Allowablel Predicted Predicted ] I
I Effluent Effluent 1 on ACTUAL on PERMIT.1 Actual Actual I INSTREAM MONITORING I
Bkg I Cone. Cone. I Influent Influent l ACTUAL PERMITTED Daily Max. Wk. Avg. I Based on Based on I
Pollutant Cone. i CHRONIC ACUTE l Data Data I Influent Influent Effluent Effluent I Actual Actual I
(ug/1) l (ug/1) (ug/1) l (ug/1) (ug/1) I Loading Loading Data Data I Daily Max. Wk. Avg. I
--------- -- ------ I -------- -------- I --------- -------- I -------- -------- --------- --------- I -------- -------- I
Cadmium S 0.90 I 23.290 19.016 I 0.415 0.734 I Monitor Monitor I I
Chromium S 0.00 11017.742 20035.675 l 7.799 38.217 l Monitor I I
Copper AL 0.14 I 139.774 184.962 I 15.750 66.944 l Monitor Monitor I I
Nickel S 0.00 11791.226 16059.968 l 11.122 16.884 I I I
Lead S 0.00 I 508.871 687.586 I . 6.923 20.717 I Monitor Monitor I I
Zinc AL 2.23 I 974.581 1280.717 I 45.017 77.967 l Monitor Monitor Monitor 1 1
Cyanide S 0.00 I 101.774 447.806 I 6.197 6.197 I Monitor Monitor I I
Mercury S 0.00 I 0.244 48.852 I 0.000 0.000 I I I
Silver AL 0.00 I 1.221 25.036 1 0.097 0.097 I Monitor Monitor ( I
Selenium S 0.00 l 101.774 407.097 l 0.000 0.000 I I I
Arsenic S 0.00 11017.742 7327.742 1 0.648 0.648 I I I
Phenols S 0.00 I 0.000 0.000 I 0.000 0.000 I I I

7&tbro WWTP- f4eoduwaF3 A-wcpi') kt-5
R-Ar T2luer i21L518q
03D3b3
PtIled ambled dat For VA51rMm s,�A-fi� ozv8,60D (& //,kxj f��)
Cd: 9 uVut 12 u�CI E. Zl trAltw beloto d2Jec1`/O t
/2Z - , 90 QJ/Q
_f- Cal W04) &1echon Cup = U
Cu : 1 ua/uua 01 3 a�clP. zl c1u�o below dQJectb.
'22 /�C'/,F
N : all e alueS worn 2echon =-> Cup
t�b: ail tvjuc &Ioto &fec�> Cup =0
7n: I C&Uc I JO 1 ca/G(gof i9 zo ca/tu,5 Wow &MCAOq
'(3ot1q)12Z. = 2. 2,3 Uq/,P
t.5e, As all Wcu) dofechc � �C&P = D
noF needed Far
lYle fOIS I wn F5 vd�-1� -I� is Lroro
071uen+ o onifav i n be C&(fd For Cd G Pb C n
A ct;�revtliC rnon b Cu d 7�
<i F 5 ,-r5i ad, � rix N;

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28 $6/fl2/2:3 1200 WATER Q+327999 Si3. 37
I 29 87/02/Z3 i100 lNf1TER 0+3Z7999 10K 3sr
30 87/0�/27 1045 1^ir�.TER 0..327999 10K 2d,
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35 88/11/30 112fl ; aTER 0�327999 10K . 40..
36 89/02/Q9 i 3Q ATcR 0+327994 10K 47
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SfOrRET' RETRIEVAL DATE 89/12/15 PGI=REt PAG"-: 1
04150000 02083500
35 53 38*0 077 32 00*0 1
TAR RIVER AT TARBORO NC
3. 6 RTH:
s T S
A Im.. s
ORR
3
AA
4 21NCOIWQ 760224 03010107 5
5 0999 FEET DEPTH a , )
6 7
7
11
......... .......
.........
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na
10 13
11 SMK 00010 00060 01027 01034 01042 01067 01051 01092 00720 71900 24
12 DATE TIME OR WATER STREAM CADMIUM rHROMIUM COPPER NICKEL LEAD z 1114 C CYANIDE MERCURY
13
1 as
I a
14 0
AY, A_
to'
15
0
16 33/01/14 1045 WATER 0 5*0 2�1
17 83/02/07 1120 WATER 0 900 20 50K 20K 100K 100K 20K 22,
23
18 83/03/24 1000 WATER 12,90 24
19 83/041`0`2 1. :0:93,
.........
..........
.............. ...............
20 9 LO.4 WATgi ..........
.. ...... ..
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. .. .......
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22 83/07/22 0945 WATER 0 30*0 . . . ......
23 83/08/04 1000 WATER 0 26*0 20K 50K 20K 100K 100K 20K .*ZK
24 83109/26 0945 WATER 0 1800 31
..............
... ........ ...........
83/10Y
26 3/11/1 6::::,::.i
..........
14 14. 1.1 A�
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27
.. ..... . .. ....... ...
28 4/01/11 1020 WATER 0 200 8
29 84/02/20 1000 WATER 0 1200 20K 50K 20K 100K 10OK 20K 2K 3a,
39
30 84/03/21 0930 WATER 0 12*0
401
04? �A
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32
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33
34 64/07/31 1000 WATER 0 2400 451
35 84/08/16 1000 WATER 0 25*0 ZOK 50K 20K 100K 100K 30 *2 4&"
36 84/09/10 1100 WATER a 23*0 47
481
37
'.-,W TE.8.4/10/16,
..........
38 ..
............
39
40 85/01/14 1030 WATER 0 480 53
41 85/02/21 1220 WATER 0 6*0 20K 50K 20K 100K 100K 20K 2K 4
:5
42 '85/03/06 1050 WATER 0 12.sO 551
43 0.
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45
. . ..... .
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46 85/07/16 1100 WATER 0 26o0 61
47 85/08/28 1310 WATER Oo327999 24,0 20K 50K 20K 100K 100K 20K s2K 62
53
48 85/09/10 1200 WATEROv327999 26*0 641
49 1123 :WATE�
8 65 5/10
.. ...... .....
50 120
.......... .......
51
52 86/01/14 1130 WATER 0*327999 2*0 69
53 86/02/25 1200 WATER De327999 8 *0 10K 25K 10K 50K 50K 10K ?-K 70"
71
70 1
ou 2
3
4
17
NED, 34 FTJ
T-i R
54 86/03/18 1136 WATER 0*327999 1390 721
55
J3 86 05— IAT
.... ..........
4
56
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