NC0020354_Wasteload Allocation_19880425

NPDES DOCUHENT :;CANNING: COVER SHEET
NPDES Permit:
NC0020354
Pittsboro WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Approval
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
April 25, 1988
This document is printed on reuse paper - ignore any
content on the resrerse side

NPDES WASTE LOAD ALLOCATION
PERMIT NO.: Ncoo
FACILITY NAME•
Facility Status:
(circle one)
Permit Status:
(circle one)
Major
Pipe No•
'Twn ( � P'71- 4-5��o��a
p�{�IUNCs� PROPOSED
RENEWAL DiFICA710 UNPERMITiED
Minor,
Design Capacity (MGD):
Domestic (% of Flow):
Industrial (% of Flow).
Comments:
d / -J
/bo
NEW
RECEIVING STREAM:
Class.
Sub -Basin•
C'-A? ("
,f; 1 E fL5 o r1
J 2 Lr.2�-
(4)14l-(
2 Ala) (please
d3
Reference USGS Quad:
County• C I1A-!1\cv
Regional Office: As
(circle sae)
Requested By: LA(
Prepared B
Reviewed By:
Fa Mo
rr;s
.J<r,$)4:1/c -'2e
attach'
Ra; Wa Wi WS
Date: /1,70e
erg_ Date; <1/a (/8d
Date:
8lb
zigg
Modeler
Date Rec.
#
_ ; ,,.
1 \ ze\ BS
Li-L44.
Drainage Area (m(l) <f Avg. Streamflow (cfs).
7Q10 (cfs)
Winter 7Q10 (cfs) ' •( / 30Q2 (cfs)
1 '7
Toxicity Limits: IWC % (circle one) Acute / Chronic
Instream Monitoring:
()d5 /evxpP/a-7LU a)qCCLII o `vrtl (4nn)di vr: -i
Parameters
Upstream
Downstream y
�nuluen cy . wee
Location (i'2 2)8(..ha ,O:
/.3nu: ,oglouid,sch. 6r310 4vr ,C,or
Location /•0x4.:9Q,bc&disun• ,on2tveciRd xe3ou
-{ r 5Untin414 (Apr-act)
-vv(v-`i)
Effluent
Characteristics
Summer
Winter
BOD5 (mg/1)
o
NHS N (mg/I)
D.O. (mg/1)
(,p
(0
TSS (mg/I)
3C)
50
F. Col. (/ 100m1)
f n--0
pH (SU)
(r -
`//Q I%�G
I P (i>)
a.a
0?.6
L`ts-o_4 Er,u
vc An (-)0_--
5hoc,o d2 6,
D l e 1 5-IT
b-Plo Lt.) `-/
kP O r (-kart
Commen s• 0rnYl&I7t /1l% /tirak.f r7 j/
v V Ponciol,-/741li

Request No. :4449
Permit Number
Facility Name
Type of Waste
Status
Receiving Stream
Stream Class
Sub basin
County
Regional Office
Requestor
Date of Request
Quad
WASTELOAD ALLOCATION APPROVAL FORM ---------------------
NC0030254
TOWN OF PITTSBORO
DOMESTIC
EXISTING
ROBERTSON CREEK
C-NSW
03060x�
CHATHAM
RRO
LULA HARRIS
1/28/88
E22NW
:
Wasteflow (mgd):
5-Day BOD (mg/1):
Ammonia Nitrogen (mg/l):
Dissolved Oxygen (mg/1);
TSS (mg/1):
Fecal Coliform (#/100ml):
PA-1 (SU):
Drainage Area (sq mi)
Average Flow (cfs)
Summer 7Q10 (cfs)
Winter 7010 (cfs)
30Q2 (cfs)
RECOMMENDED EFFLUENT LIMITS
SUMMER
0.75
5
2
6
30
1000
6-9
'a
WINTER
0.75
10
4
6
30
1000
6-9
Z_
MONITORING
: 10.4
: 10.7
: 0.0
: 0.09
: 0.27
Upstream (Y/N): Y Location: ABOVE DISCHARGE POINT
Downstream (Y/N): Y Location: 1.3 MILES BELOW DISCH. PT. AT SR TO THE NORTH
,0 r 1. & mde6 be/kd e akQo PeLved Rd -M 4-k &eA4'w_
---------------------------------- COMMENTS ------ -------'--'-- -------------
THESE LIMITS ARE GIVEN TO AN EXPANDING DISCHARGE INTO A STREAM WITH
7010=0 AND 3002>0. DIFFERENT MONITORING POINTS NEEDED - ACCORDING TO INSTREAM
MONITORING DATA FOR JUNE - NOV., THE D.O. GOES BELOW 5 MG/L FOR 16 OUT OF 26
SAMPLES TAKEN UPSTREAM. THE - GOES BELOW 5 MG/L F OF 26 ES
TAKEN DOWNSTREAM. (���-^� 6^' "&J°�t �U] �CU. ���
~/ o� �tLK`\
` �
RECOMMEND INSTREAM MONITORING FOR: DO, TEMPERATURE, CONDUC�r.^VITY, AND
FECAL COLIFORM. FREQUENCY: WEEKLY FOR SUMMER (APR-OCT) AND MONTHLY FOR
WINTER (NOV-MAR). RECOMMEND EFFLUENT MONITORING FOR CONDUCTIVITY.
Recommended by
Reviewed by:
Tech. Support Superviso[
/n
�
Regional Supervisor
Permits & Engineering _
�L�
Date
Date
-�-7--
0
Date
Date
��C� ��7 ��l�
APR � o ^�°°
RETURN TO TECHNICAL SERVICES BY .

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PERMIT NO. NC 0020354 DISCHARGE NO. 001 MONTH: JUNE, 87
tL:ITY NAME: PITTSBORO WWTP CLASS: 3 COUNTY: CHATHAM
STREAM: ROBERSON (REEF; STREAM: ROBERSON CREEP'
LOCATION: 100 YDS. UPSTREAM LOCATION: 100 YDS. DOWNSTREAM
UPSTREAM
DOWNSTREAM
O 0 0 0 3 0 0 0 0 3
O 0 0 0 1 0 0 0 0 1
O 3 4 3 6 0 3 4 3 6
1 0 0 1 1 1 0 0 1 1
D 0 0 0 0 6 0 0 0 0 6
A TIME TEMP D.O. pH BODS FEC. TIME TEMP D.O. pH BODS FEC.
T COL. COL.
E CENT MG/L UNIT MG/L /100 CENT MG/L UNIT MG/L /100
1
2 1245 25.0 4.6 1230 23.0 5-
3
4
J '
6
7
B
9
10
11 1100 21.0 4.8 230 1050 21.0 6.3 135
12
1-
14
15
16
17 925 23.0 3.5 6782 915 22.0 4.9 15
18
19
20
21
22
23
24
25
26 1215 24.0 5.6 S 1230 23.0 6.4
27
28
29
31
AVERAGE 23.3 4.6 --_- 1249 MAXIMUM 25. 0 5. . i782
MINIMUM 21.0 3.5 270.0
22.3 5.8
23.0 6. t
21.0 4.9
n
135
15.0

RMlT NO. NC 0020354 DISCHARGE NO. 001 MONTH: July, 1987
'
ATION: 100 YDS. UPSTREAM
UPSTREAM
STREAM: ROBERSON CREB<
LOCATION: 100 YDS. DOWNSTREAM
DOWNSTREAM
____--------- _-------------- ________________________________
0 0 0 0 3 | 0 0 0 0 3
0 0 0 0 1
0 3 4 3 6 | 0 3 4 3 6
1 0 0 1 1 | 1 0 0 1 1
D 0 0 0 0 6 | 0 0 0 0 6
A TIME TEMP D.O. pH BOD5 FEC. / TIME TEMP D.O. pH BOD5 FEC'
T COL. | COL'
E CENT MG/L UNIT MG/L /100 | CEN[ MG/L :NIT MG/L /100
1 �
2 930 24.0 4.7 940 23.0 5.5
3 �
4 �
5 |
6 |
7 |
8 |
9 |
10 1010 25.0 4.0 | 1020 24.0 6.5
11 |
12 |
13 |
14 |
15 |
16 |
17 845 22'0 5.0 | 900 22.0 5'8
18 |
19 |
20 |
21 |
22
23 1305 26'0 6.0
24
25
10 | 1310 25'5 8.3 310
26 |
27 �
28 |
29 1350 25'0 6.7 45 | 1355 25.0 11.0
70 �
375
-_.
AVERAGE 24.4 5.3 21 | 20'9 7.4 041
MAXIMUM 26.0 6.7 45 | 25'5 11.0 175
MINIMUM 22.0 4.0 10.0 | 22.0 5.5 310.0

354 :D I SCHARGE'aNO. 001 MONTH: Aug., 1987
F,
_�yr a. ._�.
SBORO,WWTP CLASS:. 3 COUNTY: CHATHAM
N CREEK
00 YDS. UPSTREAM
UPSTREAM
0
0
0
O 0
O 0
4 3
O 1
ENT: MBA; UNIT.... M
1i
12 1200 :. 24 0 4. 7 60 i 12:10 24.0 . 6. _
13 ..
.14
15.
16
17
18
19 . 1050..25.0 3.5
20
21
22
23
24
25
26 1415 25.0 4.8
27
•
STREAM: ROBERSON CREEK
LOCATION: 100 YDS. DOWNSTREAM
DOWNSTREAM
O 0 0 0 3
0 0 ::; 0 0 1
O 3 .4 3 . 6
0 -0 11 1.
.._..0:._..
P D.O. pH SODS TEC.
:; _�- ri:CENT MQ/L. UNIT- MB
yr ! ." 3 :.,' +r l y,yri�,.;'�.e,� • , w .� r •�*'. —: n'
28
29
30
31
15 t 1055 25.0 6.0
t�
s
t
•
•
t 1405 24.0
COL.
.205 ..
124.-.-
205:
75. o
: Ir,A

NC -OO20354
DISCHARGE NO. 001 MONTH: Sept.. 1987
ILITY NAME: PITTSBORO WWTP CLASS: 3 COUNTY: CHATHAM
TREAM- ROBERSON CREEI STREAM: ROBERSON CREEK
LOCATION: 100 YDS. UPSTREAM LOCATION: 100 YDS. DOWNSTREAM
UPSTREAM DOWNSTREAM
O 0 0 0 3
O 0 0 0 1
O 3 4 ._, 6
1 0 0 1 1
D 0 0 0 0 6
A TIME TEMP D.O. pH BODS FEC.
T COL.
E CENT MG/L UNIT MG/L /100
1
2 1510 24.0 6.2
4
5
J
6
7
8
9 1020.24.0 6.3
10
11
1^ i ::
13
14
15
16
17 1000. 23.0
18
19
20
21
22
- 23
24 1520 19.5 4.9
25
26
27
28
29
30
31
AVERAGE 22.6
MAXIMUM 24.0 6.3
MINIMUM 19.5 .
O 0 0 0 3
O 0 0 0 1
O 3 4 3 6
1 0 0 1 1
O 0 0 0 6
TIME TEMP D.O. pH BODS FEC.
COL.
CENT MG/L UNIT MG/L /100
165
1520 24.0 6.7 240
625 1005 24.0 6.:3
3.3 945 23.0 4.5
321
625
165.0
1510 20.5 6.6
100
22.9 6.0
155
24.0 6.7 240
20.5 4.5 100.0

%ERMIT NO. NC 0020354 DISCHARGE NO. 001 MONTH: Oct. 1987.
CILITY NAME: PITTSBORO WWTP
STREAM: ROBERSON CREEK
LOCATION: 100 YDS. UPSTREAM
UPSTREAM
CLASS: .3
COUNTY: CHATHAM
STREAM: ROBERSON CREEK
LOCATION: 100 YDS. DOWNSTREAM
DOWNSTREAM
O 0 0 0 3 0 0 0 0 3
O 0 0 0 1 S 0 0 0 0 1
O 3 4 3 6 0 3 4 3 6
1 0 0 1 1 1 0 0 1 1
D 0 0 0 0 6 0 0 0 0 6
A TIME TEMP D.O. pH BODS FEC. TIME TEMP D.D. pH BODS FEC.
T COL. 1 COL.
E CENT MG/L UNIT MG/L /100 t CENT MG/L UNIT MG/L /100
1 1130 17.0 2.9 5085 0 1140 19.0 5.9 265
2
i
4
J '
6
7 1030 15.0 5.4 250 . 1040,17.0 6.1
8
9
10
11
12
13
14 1140 12.0 3.9 1150 16.0 7.1
15
16
17
18
19
20
21 945 14.0 1.7 930 17.0 4.8
L2
23
24
25
26
27
28 1250 13.0 6.2 1300 14.5 6.8
29
30
1
.ti
305
AVERAGE 14.2 4.0 1127 1 16.7 6.1 284
MAXIMUM 17.0 6.2 5085 1 19.0 7.1 305
MINIMUM 12.0 1.7 250.0 1 14.5 4.8 265.0

RMIT NO. NC 0020354 DISCHARGE NO. 001 MONTH: Nov., 1987
FACILITY NAME: PITTSBORO WWTP CLASS: 3 COUNTY: CHATHAM
STREAM: ROBERSON CREEK:
LOCATION: 100 YDS. UPSTREAM
UPSTREAM
STREAM: ROBERSON CREEP
LOCATION: 100 YDS. DOWNSTREAM
DOWNSTREAM
0 0 0 0 3 0 0 0 0 3
0 0 c_► 0 1 0 0 0 0 1
0 3 4 ._. 6 i► _ 4 3 6
1 0 0 1 1 1 0 0 1 1
D 0 0 0 0 6 0 0 0 0 6
A TIME TEMP D.O. pH BODS FEC. TIME TEMP D.O. pH BODS FEC.
T COL. COL.
E CENT MG/L UNIT MG/L /100 CENT MG/L UNIT MG/L /100
1
4 935 12.8 4.
6
7
8
9
10
11
12
13 915 6.0 3.5
14
15
16
17
18
19 1450 11.0 5.3
2� i ►
21
145 i 950 14.6 4.8 380
925 10.0 5.1
265 1500 1.4.0 7.0 20
2 2 ---
"7
�
24 1505 11.0 8.9 i 1515 13.0 8.7
25
26
27
20
29
70
31
AVERAGE 10.2 5.5
MAXIMUM 12.8 8.9
MINIMUM 6.0 7.5
196
265
145.0
12.9 6.4 87
14.6 8.7 380
10.0 4.8 2i►. i►

p
Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
SUMMER
QW=0.4918
TEMP=16.33, 66.79% DO SAT
The End D.O. is 4.64 mg/1.
The End CBOD is 9.43 mg/1.
The End NBOD is 13.29 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 4.55 0.78 2
Reach 1 12.00 18.00 6.00 0.49180
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000

*** MODEL SUMMARY DATA ***
Discharger : TOWN OF PITTSBORO - SOC Subbasin : 030602
Receiving Stream : ROBERSON CREEK Stream Class: C-NSW
Summer 7Q10 Winter 7Q10 : 0.4
Design Temperature: 16.
ILEN6THI SLOPEI VELOCITY 1 DEPTHI Kd 1 Kd 1 Ka I Ka 1 KN I KN I KNR 1 KNR
1 mile 1 ft/mil fps 1 ft Idesignl 3204 Idesignl 820° !design' 8201 Idesignl 3200
I I 1 1 1 1 1 1 1 1 1
Segment 1 1 0.321 10.531 0.100 1 0.71 1 0.19 ! 0.23 1 1.74 1 1.891 0.22 1 0.30 1 0.22 1 0.00
Reach 1 l 1 1 1 1 1 1 1 1 1 1 I
I 1 1 1 1 1 1 1 1 1 !
Segment 1 1 0.471 21.281 0.101 1 0.71 1 0.21 1 0.25 ! 3.54 1 3.861 0.37 1 0.50 1 0.37 1 0.00
Reach 2 I I I 1 1 1 1 1 I 1 1 1
1 1 1 1 1 I 1 I 1 1 I
Segment 1 1 0.191 17.861 0.100 1 0.71 1 0.20 1 0.25 1 2.95 1 3.211 0.22 1 0.30 1 0.22 1 0.00
Reach 3 I I 1 1 1 1 1 1 I 1 1 1
I 1 1 1 1 1 1 1 1 1 1
Segment 1 1 0.171 17.861 0.100 1 0.71 1 0.20 1 0.25 1 2.95 1 3.211 0.22 1 0.30 1 0.22 1 0.00
Reach 4 I I I 1 1 1 ! 1 I I 1 I
1 I 1 1 1 1 1 I 1 1 1
Segment 1 1 0.201 17.861 0.100 1 0.71 1 0.20 1 0.25 1 2.95 1 3.211 0.22 1 0.30 1 0.22 1 0.00
Reach 5 I 1 1 1 1 1 1 1 I 1 1 l
I I 1 1 1 1 1 1 1 1 1
Segment 1 1 0.631 15.871 0.100 10.71 1 0.20 1 0.24 ! 2.62 1 2.861 0.22 1 0.30 1 0.22 1 0.00
Reach 6 1 1 I I 1 1 1 1 I 1 1 I
1 Flow I CBOD I NBOD 1 D.O. I
1 cfs 1 mg/1 1 mg/1 I mg/1 I
Segment 1 Reach 1
Waste 1 0.762 1 12.000 1 18.000 1 6.000
Headwatersl 0.000 1 2.000 1 1.000 1 6.547
Tributary 1 0.000 I 2.000 1 1.000 1 8.880
* Runoff I 0.000 1 2.000 1 1.000 I 8.880
Segment 1 Reach 2
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 1 8.880
* Runoff I 0.000 1 2.000 1 1.000 1 8.880
Segment 1 Reach 3
Waste I 0.000 1 0.000 I 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 1 8.880
* Runoff I 0.000 1 2.000 1 1.000 1 8.880
Segment 1 Reach 4
Wairl 1 0.000
0.000
0.000 1 0.000

Tributary I 0.000 1 2.000 1 1.000 1 8.880
* Runoff I 0.000 1 2.000 1 1.000 1 8.880
Segment 1 Reach 5
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 1 8.880
* Runoff I 0.000 1 2.000 1 1.000 1 8.880
Segment 1 Reach 6
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 1 8.880
* Runoff I 0.000 1 2.000 1 1.000 1 8.880
* Runoff flow is in cfs/mile

SUMMER
QW=0.4918
TEMP=16.33, 66.79% DO SAT
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I
1 1 0.00 6.00 12.00 18.00 0.76
1 1 0.02 5.94 11.97 17.95 0.76
1 1 0.04 5.87 11.94 17.90 0.76
1 1 0.06 5.81 11.91 17.86 0.76
1 1 0.08 5.75 11.89 17.81 0.76
1 1 0.10 5.69 11.86 17.76 0.76
1 1 0.12 5.64 11.83 17.71 0.76
1 1 0.14 5.58 11.80 17.66 0.76
1 1 0.16 5.53 11.77 17.62 0.76
1 1 0.18 5.47 11.75 17.57 0.76
1 1 0.20 5.42 11.72 17.52 0.76
1 1 0.22 5.37 11.69 17.47 0.76
1 1 0.24 5.32 11.66 17.43 0.76
1 1 0.26 5.27 11.64 17.38 0.76
1 1 0.28 5.23 11.61 17.33 0.76
1 1 0.30 5.18 11.58 17.29 0.76
1 1 0.32 5.14 11.55 17.24 0.76
1 2 0.32 5.14 11.55 17.24 0.76
1 2 0.34 5.09 11.52 17.16 0.76
1 2 0.36 5.05 11.49 17.09 0.76
1 2 0.38 5.01 11.47 17.01 0.76
1 2 0.40 4.97 11.44 16.94 0.76
1 2 0.42 4.94 11.41 16.86 0.76
1 2 0.44 4.90 11.38 16.79 0.76
1 2 0.46 4.87 11.35 16.71 0.76
1 2 0.48 4.84 11.32 16.64 0.76
1 2 0.50 4.81 11.29 16.56 0.76
1 2 0.52 4.78 11.26 16.49 0.76
1 2 0.54 4.76 11.24 16.42 0.76
1 2 0.56 4.73 11.21 16.34 0.76
1 2 0.58 4.71 11.18 16.27 0.76
1 2 0.60 4.69 11.15 16.20 0.76
1 2 0.62 4.67 11.12 16.13 0.76
1 2 0.64 4.65 11.09 16.05 0.76
1 2 0.66 4.63 11.07 15.98 0.76
1 2 0.68 4.62 11.04 15.91 0.76
1 2 0.70 4.60 11.01 15.84 0.76
1 2 0.72 4.59 10.98 15.77 0.76
1 2 0.74 4.57 10.95 15.70 0.76
1 2 0.76 4.56 10.93 15.63 0.76
1 2 0.78 4.55 10.90 15.56 0.76
1 3 0.78 4.55 10.90 15.56 0.76
1 3 0.80 4.55 10.87 15.52 0.76
1 3 0.82 4.55 10.84 15.48 0.76
1 3 0.84 4.56 10.82 15.44 0.76
1 3 0.86 4.56 10.79 15.39 0.76
1 3 0.88 4.56 10.76 15.35 0.76
1 3 0.90 4.57 10.74 15.31 0.76
1 3 0.92 4.57 10.71 15.27 0.76
1 3 0.94 4.57 10.68 15.23 0.76
1 3 0.96 4.58 10.66 15.19 0.76
1 4 0.96 4.58 10.66 15.19 0.76
1 4 0.98 4.58 10.63 15.15 0.76
1 4 1.00 4.58 10.60 15.11 0.76
1 4 1.02 4.59 10.58 15.07 0.76
1 4 1.04 4.59 10.55 15.02 0.76
1 4 1.06 4.59 10.52 14.98 0.76
1 4 1.08 4.60 10.50 14.94 0.76
1 4 1.10 4.60 10.47 14.90 0.76
1 4 1.12 4.61 10.45 14.86 0.76

1 5 1.12 4.61 10.45 14.86 0.76
1 . 5 1.14 4.61 10.42 14.82 0.76
1 5 1.16 4.61 10.39 14.78 0.76
1 5 1.18 4.62 10.37 14.74 0.76
1 5 1.20 4.62 10.34 14.70 0.76
1 5 1.22 4.62 10.32 14.66 0.76
1 5 1.24 4.63 10.29 14.63 0.76
1 5 1.26 4.63 10.27 14.59 0.76
1 5 1.28 4.64 10.24 14.55 0.76
1 5 1.30 4.64 10.21 14.51 0.76
1 5 1.32 4.64 10.19 14.47 0.76
1 6 1.32 4.64 10.19 14.47 0.76
1 6 1.35 4.64 10.15 14.41 0.76
1 6 1.38 4.64 10.11 14.35 0.76
1 6 1.41 4.63 10.08 14.29 0.76
1 6 1.44 4.63 10.04 14.24 0.76
1 6 1.47 4.63 10.00 14.18 0.76
1 6 1.50 4.63 9.97 14.12 0.76
1 6 1.53 4.62 9.93 14.06 0.76
1 6 1.56 4.62 9.89 14.01 0.76
1 6 1.59 4.62 9.86 13.95 0.76
1 6 1.62 4.62 9.82 13.90 0.76
1 6 1.65 4.62 9.78 13.84 0.76
1 6 1.68 4.62 9.75 13.78 0.76
1 6 1.71 4.62 9.71 13.73 0.76
1 6 1.74 4.62 9.67 13.67 0.76
1 6 1.77 4.63 9.64 13.62 0.76
1 6 1.80 4.63 9.60 13.56 0.76
1 6 1.83 4.63 9.57 13.51 0.76
1 6 1.86 4.63 9.53 13.45 0.76
1 6 1.89 4.63 9.50 13.40 0.76
1 6 1.92 4.64 9.46 13.34 0.76
1 6 1.95 4.64 9.43 13.29 0.76
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I

Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
SUMMER
QW=0.3694
TEMP=16.33, 66.79% DO SAT
The End D.O. is 4.62 mg/1.
The End CBOD is 9.36 mg/1.
The End NBOD is 13.28 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 4.52 0.78 2
Reach 1 12.00 18.00 6.00 0.36940
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000

Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
SUMMER
QW=0.2025
TEMP=25, 66.79% DO SAT
The End D.O. is 3.12 mg/1.
The End CBOD is 8.03 mg/1.
The End NBOD is 9.80 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 2.70 0.78 2
Reach 1 12.00 18.00 6.00 0.20250
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000

*** MODEL. SUMMARY DATA ***
Discharger : TOWN OF PITTSBORO - SOC Subbasin : 030602
Receiving Stream : ROBERSON CREEK Stream Class: C-NSW
Summer 7Q10 Winter 7Q10 : 0.4
Design Temperature: 25.
ILEN6TH1 SLOPE! VELOCITY 1 DEPTHI Kd I Kd 1 Ka I Ka I KN 1 KN 1 KNR I KNR
mile I ft/mil fps 1 ft Idesignl 120° Idesign! 20° Idesignl 20° Idesign] a20°
Segment 1 1 0.321 10.531 0.100 1 0.46 1 0.32 1 0.25 12.11 1 1.89E 0.44 1 0.30 1 0.44 1 0.00
Reach 1 1 ( ! I I I I I I 1 I 1
Segment 1 1 0.471 21.281 0.100 1 0.46 1 0.35 1 0.28 1 4.27 1 3.831 0.73 10.50 10.73 1 0.00
Reach 2 1 ! 1 ! I ! l ! 1 1 I I
Segment 1 0.19 17.86 0.100 0.46 0.34 0.27 3.58 3.21 0.44 0.30 0.44 0.00
Reach 3
Segment 1 1 0.171 17.861 0.100 1 0.46 1 0.34 ( 0.27 1 3.58 1 3.211 0.44 1 0.30 1 0.44 1 0.00
Reach 4 1 ! I 1 I 1 1 I 1 I I I
Segment 1 1 0.201 17.861 0.100 10.46 1 0.34 1 0.27 13.58 I 3.211 0.44 1 0.30 10.44 1 0.00
Reach 5 1 l I 1 I I I 1 1 1 1 I
Segment 1 1 0.631 15.87( 0.100 1 0.46 10.33 1 0.27 1 3.19 1 2.861 0.44 1 0.30 1 0.44 1 0.00
Reach 6(
I Flow I CBOD 1 NBOD 1 D.O. 1
I cfs I mg/1 1 mg/1 1 mg/1 I
Segment 1 Reach 1
Waste I 0.314 112.000 118.000 I 6.000
Headwaters! 0.000 I 2.000 1 1.000 1 7.440
Tributary I 0.000 I 2.000 1 1.000 1 7.440
* Runoff I 0.000 I 2.000 I 1.000 1 7.440
Segment 1 Reach 2
Waste I 0.000 I 0.000 I 0.000 1 0.000
Tributary I 0.000 1 2.000 I 1.000 1 7.440
* Runoff I 0.000 1 2.000 I 1.000 1 7.440
Segment 1 Reach 3
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 I 2.000 1 1.000 I 7.440
* Runoff I 0.000 1 2.000 I 1.000 1 7.440
Segment 1 Reach 4
Waste I 0.000 1 0.000 1 0.000 1 0.000

Tributary I 0.000 1 2.000 1 1.000 1 7.440
* Runoff I 0.000 1 2.000 1 1.000 1 7.440
Segment 1 Reach 5
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 1 7.440
* Runoff I 0.000 1 2.000 1 1.000 1 7.440
Segment 1 Reach 6
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 1 7.440
* Runoff I 0.000 1 2.000 1 1.000 1 7.440
* Runoff flow is in cfs/mile

SUMMER
EJW=O.2025
TEMP=25, 66.79% DO SAT
I Seg # | Reach # | Beg Mi | D.O. | CBOD | NBOD I Flow |
1 1 0.00 6.00 12.00 18.00 0.31
1 1 0.02 5"85 11.95 17"90 0.31
1 1 0.04 5.70 11.91 17.81 0.31
1 1 0.06 5.55 11.86 17.71 0"81
1 1 0.0B 5"41 11.82 17.62 0.31
1 1 0.10 5.28 11.77 17.52 0.81
1 1 0.12 5.15 11.72 17.43 0.31
1 1 0.14 5.02 11.68 17.83 0.81
1 1 0.16 4"89 11.63 17.24 0.31
1 1 01118 4.77 11.59 17.15 0.81
1 1 0.20 4.66 11.54 17.06 0.31
1 1 0.22 4.55 11.50 16.96 0.81
1 1 0.24 4.44 11.46 16.87 0.31
1 1 0.26 4.88 11.41 16.78 0.31
1 1 0.28 4.23 11.37 16.69 0.81
1 1 0.30 4.13 11"32 16.60 0.31
1 1 0.32 4.03 11.28 16.51 0.31
1 2 0.32 4.03 11.28 16.51 0.31
1 2 0.84 3.92 11.23 16.37 0.31
1 2 0.36 3.81 11"18 16.22 0.81
1 2 0.38 8.71 11.14 16.07 0.31
1 2 0.40 3"62 11.09 15.93 01.31
1 2 0.42 3.53 11.04 15.79 0.31
1 2 0.44 3.45 10.99 15.65 0.31
1 2 0.46 3.37 1O.95 15.51 0.31
1 2 0.48 3.30 10.90 15.37 0"31
1 2 0.50 3"23 10.85 15.23 0.31
1 2 0.52 3"17 10.81 15.10 0.31
1 2 0.54 3.11 10.76 14.96 0.31
1 2 0.56 8.06 10.71 14.83 0.81
1 2 0.58 8.01 10.67 14.69 0.31
1 2 0.60 2.97 10.62 14.56 0"31
1 2 0.62 2.92 10.58 14.43 0.31
1 2 0.64 2.89 10.53 14.30 0.31
1 2 0.66 2.85 10.49 14.18 0.31
1 2 0.68 2.82 10.44 14.05 0.31
1 2 0.70 2.79 10.40 13.92 0.31
1 2 0.72 2.77 10.35 18.80 0.81
1 2 0.74 2.74 10.31 13.68 0.31
1 2 0.76 2.72 10.26 13.55 0.81
1 2 0.78 2.70 10.22 13.43 0.81
1 8 0.78 2.70 10.22 13.43 0.31
1 3 0.80 2.71 10.18 13.36 0.31
1 8 0.82 2.72 10.14 13.29 0.31
1 8 0.84 2.73 10.09 13.22 0.31
1 3 0.86 2.74 10.05 13.15 0.31
1 3 0.88 2.75 10.01 13.08 0.31
1 8 0.90 2.76 9.97 13.00 0.31
1 3 0.92 2"77 9.93 12.98 0"31
1 3 0.94 2.78 9.89 12.87 0.31
1 3 0.96 2"79 9"84 12.80 0.31
1 4 0.96 2.79 9.84 12.80 0.31
1 4 0.98 2.80 9.80 12.73 0.31
1 4 1.00 2.81 9.76 12.66 0.31
1 4 1.02 2.82 9.72 12.59 0"31
1 IF 1"04 2.88 9.68 12.52 0.81
1 4 1.06 2"84 9.64 12.46 0"81
1 4 1.08 2"85 9.60 12.39 0.31
1 4 1.10 2.86 9.56 12.32 0.31
1 4 1.12 2.87 9.52 12.26 0.81

1 5 1.12 2.87 9"52 12.26 0.31
^ 1 ' 5 1.14 2.88 9"48 12"19 A.31
1 5 1.16 2"89 9"44 12.13 0.81
1 5 1.18 2.90 9.40 12.06 0.81
1 5 1"20 2.91 9"36 12.00 0"31
1 5 1.22 2"92 9.83 11"98 0.31
1 5 1.24 2.93 9.29 11.87 0.81
1 5 1.26 2"94 9.25 11.80 0.31
1 5 1.28 2.95 9.21 11.74 0.31
1 5 1.80 2.96 9.17 11.68 0"31
1 5 1.82 2.97 9.13 11.81 0.31
1 6 1.32 2.97 9.13 11.61 0.31
1 6 1.35 2.97 9.08 11.52 0.31
1 6 11138 2.97 9.02 11"43 0.81
1 6 1.41 2.98 8.97 11.84 0.31
1 6 1.44 2.98 8.91 11.24 0.81
1 6 1.47 2.98 8.86 11.15 0.31
1 6 1.50 2.99 8"80 11.06 0.81
1 6 1"53 2.99 8.75 10"97 0.31
1 6 1.56 8"00 8"70 10.89 0.31
1 6 1.59 3.00 8.64 10.80 0.31
1 6 1.62 3.01 8"59 10.71 0.31
1 6 1"65 3.02 8.54 10"63 0.81
1 6 1.68 3.02 8.49 10.54 0.31
1 6 1.71 8.03 8.43 10"46 0.31
1 6 1.74 8.04 8.88 10.37 0.81
1 6 1.77 3.05 8.83 10.29 0.31
1 6 1.80 3"06 8"28 10"21 0.81
1 6 1.83 3.07 8.23 10.12 0.31
1 6 1.86 3"08 8"18 10"04 0.81
1 6 1.89 8.09 8.13 9.96 0.81
1 6 11.92 8.11 81.08 9"88 0.31
1 6 1"95 3.12 8"03 9.80 0.81

WINTER
Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
The End D.O. is 6.46 mg/1.
The End CBOD is 11.02 mg/1.
The End NBOD is 7.51 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 6.00 0.34 2
Reach 1 24.00 18.00 6.00 0.52660
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000

SUMMER
Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
The End D.O. is 4.96 mg/1.
The End CBOD is 4.89 mg/1.
The End NBOD is 2.38 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 3.79 2.50 7
Reach 1 12.00 9.00 6.00 0.32490
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000
Reach 7 0.00 0.00 0.00 0.00000
Reach 8 0.00 0.00 0.00 0.00000
Reach 9 0.00 0.00 0.00 0.00000

or.
'
'
� SUMMER
| Seg # | Reach # | Geg Mi | D.O. | OBOD | NBOD | Flow |
1 1 0.00 6.00 12.00 9.00 0.50
1 1 0"02 5.90 11.96 8.95 0.50
1 1 0.04 5.80 11"91 8.90 0.50
1 1 0.06 5.70 11"87 8"86 0.50
1 1 0.08 5.60 11.82 8.81 0.50
1 1 0.10 5.51 11"78 8.76 0.50
1 1 0.12 5.42 11.74 8.71 0.50
1 1 0.14 5.34 11.69 8.67 0.50
1 1 0.16 5.25 11.65 8.62 0.50
1 1 0.18 5.17 11.61 8.57 0.50
1 1 0.20 5.09 11.56 8.53 0.50
1 1 0.22 5"01 11.52 8.48 0.50
1 1 0.24 4.94 11.48 8"44 0.50
1 1 0"26 4.87 11.44 8.39 0.50
1 1 0.28 4.80 11.39 8.35 0.50
1 1 0.30 4.73 11.85 8.80 0"50
1 1 0.32 4.67 11.31 8.26 0.50
1 2 0.32 4.67 11"31 8.26 0.50
1 2 0.34 4.59 11"26 8.18 0.50
1 2 0.36 4.52 11.22 8.11 0.50
1 2 0.38 4.46 11.17 8.04 0.50
1 2 0.40 4.40 11.18 7.97 0.50
1 2 0.42 4.34 11.0B 7.89 0.50
1 2 0.44 4.29 11.04 7"82 0.50
1 2 0.46 4.24 11"00 7.75 0.50
1 2 0.48 4.20 10.95 7"68 0.50
1 2 0.50 4.15 10.91 7.62 0.50
1 2 0.52 4.11 10.86 7.55 0.50
1 2 0.54 4.08 10.82 7.48 0.50
1 2 0.56 4.04 10"78 7.41 0.50
1 2 0"58 4,01 10.73 7.35 0.50
1 2 0.60 8"98 10.69 7.28 0.50
1 2 0.62 8.96 10.65 7.22 0.50
1 2 0.64 3.93 10.60 7.15 0"50
1 2 0.66 3.91 10.56 7.09 0.50
1 2 0.68 8.89 10.52 7"02 0.50
1 2 0.70 3.87 10.48 6.96 0.50
1 2 0.72 3.85 10.43 6.90 0.50
1 2 0.74 3.83 10"39 6.84 0.50
1 2 0.76 3"82 10.35 6.78 0.50
1 2 0.78 3.81 10"31 6.72 0.50
1 8 0.78 3.81 10.81 6.72 0.50
1 3 0.80 8.80 10"27 6.68 0.50
1 3 0.82 3.80 10"23 6.64 0"50
1 3 0"84 8"80 10"19 6.61 0.50
1 3 0.86 3.80 10.15 6.57 0.50
1 3 0.88 3.80 10.11 6.54 0.50
1 3 0.90 3.80 10.07 6"50 0.50
1 8 0.92 3.80 10"03 6.47 0.50
1 3 0.94 3.80 9.99 6.48 0.50
1 3 0.96 3.81 9.95 6.40 0.50
1 4 0.96 3.81 9.95 6,40 0"50
1 4 0.98 3.81 9.91 6.36 0.50
1 4 1.00 3.81 9"87 6.83 0.50
1 4 1.02 3.81 9"88 6.30 0.50
1 4 1.04 3.81 9.79 6.26 0.50
1 4 1.06 3.82 9.76 6.23 0.50
1 4 1.08 3"82 9"72 6.19 0.50
1 4 1.10 3"82 9"68 6.16 0.50

1^ 4 1.12 3.82 9.64 6.18 0.50
5 1.12 3.82 9.64 6.13 0.50
~
' 1 5 1.14 8.88 9.60 6.10 0.50
~' 1 5 1.16 8.83 9"57 6.06 0.50
1 5 1.18 8.84 9.53 6.03 0.50
1 5 1"20 3.84 9.49 6.00 0.50
1 5 1.22 3.84 9.45 5.97 0.50
1 5 1.24 3.85 9.42 5.93 0.50
1 5 1.26 3.85 9.38 5.90 0.50
1 5 1.28 3.86 9.34 5.87 0.50
1 5 1.30 8.86 9.31 5.84 0.50
1 5 1.32 3.86 9.27 5.81 0.50
1 6 1.32 3.86 9.27 5.81 0"50
1 6 1.35 3.86 9.22 5.76 0.50
1 6 1.38 3.86 9.16 5.71 0.50
1 6 1.41 8.86 9.11 5.67 0.50
1 6 1.44 8.85 9.06 5.62 0.50
1 6 1.47 3.85 9.00 5.58 0.50
1 6 1.50 3.85 8.95 5.53 0.50
1 6 1.58 3.86 8.90 5.49 0.50
1 6 1.56 8.86 8.85 5.44 0.50
1 6 1.59 3.96 8.80 5.40 0.50
1 6 1"62 3"86 8.75 5.86 0.50
1 6 1.65 3.86 8.89 5.31 0.50
1 6 1"68 3.87 8.64 5.27 0.50
1 6 1"71 3.87 8"59 5.28 0.50
1 6 1.74 8.88 8.54 5"19 0.50
1 6 1.77 8.88 8.50 5.14 0.50
1 6 1.80 3.88 8.45 5.10 0.50
1 6 1.83 3.89 8.40 5.06 0.50
1 6 1.86 3.90 8.85 5.02 0.50
1 6 1.89 3.90 8.30 4"98 0"50
1 6 1.92 3.91 8.25 4.94 0"50
1 '6 1.95 3.91 8.20 4.90 0.50
1 7 1"95 3.91 8.20 4.90 0.50
1 7 2.00 3.89 8.11 4.82 0.51
1 7 2.05 3.87 8.01 4"75 0.51
1 7 2"10 8.85 7.92 4.67 0.51
1 7 2"15 3.88 7.83 4.60 0.51
1 7 2.20 8.82 7.74 4.52 0.51
1 7 2.25 3.81 7"65 4.45 0.51
1 7 2"30 3.80 7.56 4.38 0"51
1 7 2.85 3.79 7.48 4.81 0.52
1 7 2.40 3.79 7.39 4.25 0.52
1 7 2.45 8.79 7.30 4.18 0"52
1 7 2"50 3.79 7.22 4.11 0.52
1 7 2.55 3.79 7.14 4.05 0.52
1 7 2.60 3.79 7.06 3.99 0.52
1 7 2.65 3.80 6.98 3"92 0.53
1 7 2.70 3.80 6.90 8.86 0.53
1 7 2.75 3.81 6.82 3.80 0"53
1 7 2.80 3.82 6.74 3.74 0.53
1 7 2"85 3.88 6.66 3"69 0.58
1 8 2.85 3.83 6.66 3.69 0.53
1 8 2"90 3.90 6"59 8"63 0.53
1 8 2.95 3.97 6.51 3.57 0.54
1 8 8"00 4.08 6.48 3.52 0.54
1 8 8.05 4.09 6.36 3.46 0.54
1 8 3.10 4.14 6.28 8"41 0.54
1 8 3.15 4.19 6.21 8.86 0.54
1 8 8"20 4.23 6.14 3.30 0.54
1 8 3.25 4.28 6"06 3.25 0.55
1 8 3.30 4.81 5"99 3.20 0.55
1 8 3.35 4.35 5.92 3.15 0.55
1 8 8.40 4.38 5.85 3.11 0"55
1 8 3.45 4.41 5.79 3.06 0.55

z u u.oV ^+.q* MI./c:! u"oz o.00
8.55 4.46 5.65 2.97 0.55
�
� 1 8 3.60 4.49 5.59 2.92 0"56
�^ 1 8 3.65 4.51 5.52 2.88 0.56
1 8 8.70 4.53 5.46 2"83 0.56
1 8 3.75 4.55 5.40 2.79 0.56
1 8 3.80 4.57 5.83 2.75 0.56
1 8 8.85 4.59 5.27 2.70 0.56
1 8 8.90 4"61 5.21 2"66 0.57
1 8 3.95 4.63 5.15 2.62 0.57
1 9 8.95 4.63 5.15 2.62 0.57
1 9 4"00 4.74 5.09 2.56 0.57
1 9 4.05 4.84 5.02 2"50 0"57
1 9 4.10 4.91 4.96 2.44 0.57
1 9 4.15 4.96 4.89 2.38 0.57
| Seg # ! Reach # | 8eg Mi | D.O. | CBOD | NBOD I Flow |

SUMMER
---------- MODEL RESULTS
Discharger : TOWN OF F' I TTSBORO - SOC
Receiving Stream ROBERSON CREEK
The End D.O. is 4.98 mgl:i..
The End GEiOff? is 4.48 mci / a. .
The End NBOD is 8.27 mg/1 .
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Mi.lepc'int Reach 4t (mg/i) (mg/1) (mg/1) (mgd)
Segment 1 3.76 0.88 8
Reach 1 12.00 9.00 6.00 0.20250
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach rF 0.00 0.00 0.00 0.00000
React t 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000
Reach 7 0.00 0.00 0.00 0.00000
Reach 8 0.00 0.00 0.00 0.00000
Reach 9 0.00 0.00 0.00 0.00000

SUMMER
o
Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
The End D.O. is 5.10 mg/1.
The End CBOD is 4.89 mg/1.
The End NBOD is 1.11 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 4.23 2.50 7
Reach 1 12.00 4.00 6.00 0.32490
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000
Reach 7 0.00 0.00 0.00 0.00000
Reach 8 0.00 0.00 0.00 0.00000
Reach 9 0.00 0.00 0.00 0.00000

Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
SUMMER
QW=0.3249
TEMP=25, 66.79% DO SAT
The End D.O. is 3.15 mg/1.
The End CBOD is 8.20 mg/1.
The End NBOD is 9.80 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 2.74 0.78 2
Reach 1 12.00 18.00 6.00 0.32490
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000

Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
WINTER
QW=0.4042 MGD
TEMP=19.86 85.45% DO SAT
The End D.O. is 6.01 mg/1.
The End CHOD is 9.65 mg/1.
The End NBOD is 12.47 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 5.25 0.78 2
Reach 1 24.00 36.00 6.00 0.40420
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000

*** MODEL SUMMARY DATA ***
Discharger : TOWN OF PITTSBORO - SOC Subbasin : 030602
Receiving Stream : ROBERSON CREEK Stream Class: C-NSW
Summer 7Q10 : Winter 7Q10 : 0.4
Design Temperature: 19.
ILEN6THI SLOPEI VELOCITY I DEPTH! Kd I Kd I Ka I Ka ! KN I KN I KNR 1 KNR
I mile I,ftlmil fps I ft IdesignI 320° ldesignl 3200 !design! 320° Idesignl 320°
Segment 1 I 0.321 10.531 0.106 1 0.80 1 0.22 10.23 1 1.97 1 2.021 0.28 1 0.30 10.28 1 0.00
Reach 1 1 1 I I 1 I 1 1 I f I I
Segment 1 l 0.471 21.281 0.126 1 0.74 1 0.25 1 0.26 1 4.72 I 4.821 0.46 1 0.50 1 0.46 1 0.00
Reach 2
Segment 1 I 0.191 17.861 0.117 1 0.77 1 0.24 10.25 1 3.66 1 3.751 0.28 1 0.30 1 0.28 1 0.00
Reach 3 I I I 1 I I I f ! I I I
Segment 1 I 0.171 17.861 0.116 1 0.82 f 0.23 1 0.25 1 3.63 1 3.711 0.28 1 0.30 1 0.28 1 0.00
Reach 4 1 1 I 1 I f ! I I I 1 1
Segment 1 I 0.201 17.861 0.120 1 0.86 1 0.23 1 0.24 ! 3.76 1 3.851 0.28 1 0.30 1 0.28 1 0.00
Reach 5 I I I I I I I I I 1 I 1
Segment 1 1 0.631 15.871 0.116 1 0.88 1 0.23 1 0.24 1 3.23 I 3.301 0.28 1 0.30 1 0.28 1 0.00
Reach 6 1 1 I 1 I I I 1 1 I I I
I Flow 1 CBOD 1 NBOD 1 D.O. I
I cfs i mg/1 1 mg/1 1 mg/1 I
Segment 1 Reach 1
Waste I 0.627 1 24.000 1 36.000 1 6.000
Headwaters! 0.400 1 2.000 1 1.000 1 7.790
Tributary I 0.000 1 2.000 1 1.000 1 8.350
* Runoff I 0.000 1 2.000 1 1.000 1 8.350
Segment 1 Reach 2
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 1 8.350
* Runoff I 0.000 1 2.000 1 1.000 i 8.350
Segment 1 Reach 3
Waste I 0.000 1 0.000 ! 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 I 8.350
* Runoff I 0.000 1 2.000 1 1.000 1 8.350
Segment 1 Reach 4
Waste I 0.000 1 0.000 1 0.000 1 0.000

Tributary I 0.150 1 2.000
1.000 1 8.350
* Runoff I 0.027 1 2.000 1 1.000 1 8.350
Segment 1 Reach 5
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.150 1 2.000 1 1.000 1 8.350
* Runoff I 0.027 1 2.000 1 1.000 1 8.350
Segment 1 Reach 6
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 1 2.000 1 1.000 1 8.350
* Runoff I 0.027 1 2.000 1 1.000 1 8.350
* Runoff flow is in cfs/mile

WINTER
QW=0.4042 MGD
TEMP=19.86 85.45% DO SAT
| Seg # } Reach # } 8eg Mi / D.O. ) CBOD | NBOD } Flow }
1 1 0.00 6.70 15.43 22.36 1.08
1 1 0.02 6.61 15.89 22.29 1.03
1 1 0.04 6.53 15.35 22.22 1.08
1 1 0.06 6.45 15.31 22.15 1.03
1 1 0.08 6.37 15.27 22.08 1.08
1 1 0.10 6.30 15.23 22.01 1.03
1 1 0.12 6.22 15.19 21.94 1.03
1 1 0.14 6.15 15.16 21.87 1.03
1 1 0.16 6.08 15.12 21.80 1.03
1 1 0.18 6.01 15.08 21.78 1.03
1 1 0.20 5.95 15.04 21.66 1.03
1 1 0.22 5.88 15.00 21.59 1.03
1 1 0.24 5.82 14.96 21.52 1.03
1 1 0.26 5.76 14.98 21.45 1.03
1 1 0.28 5.70 14.89 21.39 1.03
1 1 0.30 5.64 14.85 21.32 1.03
1 1 0.32 5.58 14.81 21.25 1.03
1 2 0.32 5.58 14.81 21.25 1.03
1 2 0.34 5.55 14.78 21.15 1.03
2 2 0.36 5.53 14.74 21.06 1.03
1 2 0.88 5.50 14.71 20.96 1.03
1 2 0.40 5.48 14.67 20.87 1.03
1 2 0.42 5.45 14.64 20.78 1.03
1 2 0.44 5.43 14.60 20.68 1.03
1 2 0.46 5.41 14.56 20.59 1.03
1 2 0.48 5.40 14.53 20.50 1.03
1 2 0.50 5.38 14.49 20.41 1.03
1 2 0.52 5.36 14.46 20.32 1.03
1 2 0.54 5.35 14.42 20.22 1.08
1 2 0.56 5.33 14.39 20.13 1.03
1 2 0.58 5.32 14.85 20.04 1.03
1 2 0.60 5.31 14.32 19.95 1.03
1 2 0.62 5.30 14.28 19.86 1.08
1 2 0.64 5.29 14.25 19.78 1.08
1 2 0.66 5.28 14.22 19.69 1.03
1 2 0.68 5.28 14.18 19.60 1.03
1 2 0.70 5.27 14.15 19.51 1.03
1 2 0.72 5.26 14.11 19.42 1.03
1 2 0.74 5.26 14.08 19.34 1.03
1 2 0.76 5.25 14.04 19.25 1.03
1 2 0.78 5.25 14.01 19.16 1.03
1 3 0.78 5.25 14.01 19.16 1.03
1 3 0.80 5.26 13.98 19.11 1.03
1 3 0.82 5.26 13.94 19.05 1"03
1 8 0.84 5.27 13.91 19.00 1.03
1 3 0.86 5.28 13.87 18.94 1.03
1 3 0.88 5.28 13.84 18.89 1.03
1 3 0.90 5.29 13.80 18.83 1.03
1 3 0.92 5.30 13.77 18.78 1.03
1 3 0.94 5.30 13.73 18.72 1.03
1 3 0.96 5.31 13.70 18.67 1.08
1 4 0.96 5.70 12.21 16.41 1.18
1 4 0.98 5.70 12.17 16.36 1"18
1 4 1.00 5.70 12.14 16.30 1.18
1 4 1.02 5.71 12.10 16.25 1.18
1 4 1.04 5.71 12.07 16"20 1.18
1 4 1.06 5.71 12.08 16.14 1.18
1 4 1.08 5.72 12.00 16.09 1.18
1 4 1.10 5.72 11.97 16.03 1.18
1 4 1.12 5.73 11.93 15.98 1.18

1 5 1"12 6"02 10"81 14"29 1.88
' 1' 5 1.14 6.02 10.78 14.24 1.83
1 5 1.16 6.03 10.75 14.20 1.33
1 5 1.18 6.03 10.72 14.15 1.33
1 5 1.20 6.03 10.69 14.11 1.33
1 5 1.22 6.04 10.67 14"06 1.33
1 5 1.24 6.04 10.64 14.02 1.33
1 5 1.26 6.04 10.61 13.97 1.33
1 5 1.28 6.05 10.58 18.98 1.84
1 5 1.80 6.05 10.55 18.88 1.84
1 5 1"32 6.05 10.52 13.84 1.34
1 6 1.32 6"05 10"52 18"84 1"84
1 6 1"35 6.04 10.48 13"77 1.34
1 6 1.38 6.04 10.44 13.70 1.34
1 6 1.41 6.03 10.89 18.63 1.34
1 6 1.44 6.02 10.35 13.57 1.84
1 6 1"47 6.02 10.81 13.50 1.84
1 6 1.50 6.01 10.27 18.43 1.84
1 6 1.53 6.01 10.22 13.37 1.34
1 6 1.56 6.01 10.18 18.30 1.34
1 6 1.59 6.01 10.14 13.28 1.84
1 6 1.62 6.00 10.10 18"17 1.34
1 6 1.65 6"00 10.06 13.10 1.35
1 6 1.68 6.00 10.01 13.04 1.85
1 6 1.71 6.00 9.97 12.97 1.35
1 6 1"74 6.00 9.93 12"91 1.35
1 6 1.77 6.00 9.89 12"85 1.35
1 6 1.80 6.00 9.85 12.78 1.35
1 6 1.83 6.00 9.81 12"72 1.35
1 6 1.86 6"00 9.77 12.66 1.35
1 6 1.89 6.01 9.78 12.59 1.35
1 6 1.92 6.01 9.69 12.53 1"35
1 6 1.95 6.01 9.65 12.47 1.85
| Geg # | Reach # I Seg Mi I D.O. | CBO0 > NBOD | Flow !

Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF P I TTSBORO - SOC
: ROBERSON CREEK
WINTER
QW=0.5266 MGD
TEMP=19.86 85.45% DO SAT
The End D.O. is 5.92 mg/1.
The End CBOD is 11.02 mg/1.
The End NBOD is 14.64 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 5.27 0.78 2
Reach 1 24.00 36.00 6.00 0.52660
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000

Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
WINTER
QW=0.3139 MGD
TEMP=19.86
85.45Y. DO SAT
The End D.O. is 6.26 mg/1.
The End CBOD is 8.43 mg/1.
The End NBOD is 10.58 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 5.42 0.78 2
Reach 1 24.00 36.00 6.00 0.31390
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000

f
Discharger
Receiving Stream
MODEL RESULTS
: TOWN OF PITTSBORO - SOC
: ROBERSON CREEK
WINTER
QW=0.4363 MGD
TEMP=19 85.45'/. DO SAT
The End D.O. is 6.11 mg/1.
The End CBOD is 10.04 mg/1.
The End NBOD is 13.08 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 5.36 0.78 2
Reach 1 24.00 36.00 6.00 0.43630
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 0.00 0.00 0.00 0.00000
Reach 5 0.00 0.00 0.00 0.00000
Reach 6 0.00 0.00 0.00 0.00000