NC0031879_Speculative Limits_19980605

7il
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
June 5, 1998
The Honorable A. Everett Clark, Mayor
Town of Marion
P.O. Box 700
Marion, North Carolina 28752-0700
Subject: Speculative Limits for Marion —
Corpening Creek WWTP
NPDES Permit No. NC0O31879
McDowell County
Dear Mayor Clark:
This letter responds to the request of Mr. Danny Bridges of McGill
Associates for speculative effluent limits for the Town of Marion WWTP's
proposed expansions of 5.0 MGD and 6.0 MGD. The staff of the NPDES Unit of
the Point Source Branch has reviewed this request.
Please be advised that response to this request does not guarantee that the
Division will issue an NPDES permit to discharge treated wastewater into these
receiving waters. It should be noted that new and expanding facilities, involving
an expenditure of public funds or use of public (state) lands, will be required to
prepare an environmental assessment (EA) when wasteflows: 1) exceed or equal
0.5 MGD, or 2) exceed one-third of the 7Q10 flow of the receiving stream. DWQ
will not accept a permit application for a project requiring an EA until the
document has been approved by the Department of Environment and Natural
Resources and a Finding of No Significant Impact (FONSI) has been sent to the
state Clearinghouse for review and comment.
The EA should contain a clear justification for the proposed facility and an
analysis of potential alternatives which should include a thorough evaluation of
non -discharge alternatives. Nondischarge alternatives or alternatives to
expansion, such as spray irrigation, water conservation inflow and infiltration
reduction or connection to a regional treatment and disposal system, are
considered to be environmentally preferable to a surface water discharge. In
accordance with the North Carolina General Statutes, the practicable waste
treatment and disposal alternative with the least adverse impact on the
P.O. BOX 29535, RALEIGH, NORTH CAROLINA 27626-0535
PHONE [phone] FAX [phone]
AN EQUAL OPPORTUNITY / AFFIRMATIVE ACTION EMPLOYER - 50% RECYCLED/10% POST -CONSUMER PAPER

Letter to Mayor Clark
- page 2 -
environment is required to be implemented. If the EA demonstrates that the project may
result in a significant adverse affect on the quality of the environment, an Environmental
Impact Statement would be required. The Division of Water Quality's Planning Branch
can provide further information regarding the requirements of the N.C. Environmental
Policy Act.
The Town of Marion discharges into Youngs Fork (also known as Corpening
Creek), which has a stream classification of C. The best usage of the stream is for
aquatic life propagation, maintenance of biological integrity, including fishing and fish,
wildlife and secondary recreation.
Based on available information, the tentative effluent limits for oxygen
consuming constituents of the Marion WWTP at the expansion flows of 5.0 and 6.0
MGD are included on the attached effluent sheets.
The Division of Water Quality is requiring chlorine limits for all new or
expanding dischargers proposing the use of chlorine for disinfection. The process of
chlorination/dechlorination or an alternate form of disinfection, such as ultraviolet
radiation, should allow the facility to comply this requirement.
A chronic toxicity testing requirement of 78% at 5.0 MGD or 81% at 6.0 MGD
with quarterly monitoring will remain a condition of the NPDES permit. A complete
evaluation of limits and monitoring requirements for metals and other toxicants will
be addressed at the time of formal permit application. The existing limits for metals
are included on the attached effluent sheets.
Final NPDES effluent limitations will be determined after a formal permit
application has been submitted to the Division. If there are any additional questions
concerning this matter, please feel free to contact Jackie Nowell of my staff at (919) 733-
5083 (ext. 512).
Respectfully,
David A. Goodrich
NPDES Unit Supervisor
DAG/JMN
Attachments
cc: Forrest Westall
Bobby Blowe
Danny B. Bridges, P.E., McGill & Associates, P.A.
Central Files
NPDES Permit File

A (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS — FINAL
Permit No. NC0031879
During the period beginning after expansion above 3.0 MGD and lasting until expiration, the Permittee is authorized to discharge from outfall(s) serial number 001. Such discharges shall be limited
and monitored by the Permittee as specified below:
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5.0 MGD
_.
Continuous
Recording
I or E
BOD5
30.0 mg/I
45.0 mg/I
Daily
Composite
E, I
Total Suspended Solids
30.0 mg/I
45.0 mg/I
Daily
Composite
E, I
NH3-N (Effective April 1 — October 31)
1.0 mg/i
3/week
Composite
E
NH3-N (Effective November 1 — March 30)
2.0 mg/I
3/week
Composite
E
Dissolved Oxygen2
Daily
Grab
E,U,D
Fecal Coliform
200/100 ml
400/100 mi
Daily
Grab
E,U,D
pH3
Daily
Grab
E
Total Residual Chlorine°
28 ug/l
2/week
Grab
E
Oil and Grease
2/month
Grab
E
Temperature
Daily
Grab
E,U,D
Total Nitrogen
Monthly
Composite
E
Total Phosphorus
Monthly
Composite
E
Arsenic
-
2/month
Grab
E,U,D
Copper
_
2/month
Composite
E
Zinc
2/month
Composite
E
Silver
2/month
Composite
E
Cadmium
3 ug/I
7.5 ug/I
Weekly
Composite
E ,
Chromium
75 ug/I
300 ug/I
Weekly
Composite
E
Nickel
132 ug/l
528 ug/I
Weekly
Composite
E
Lead
37 ug/I
51 ug/I
Weekly
Composite
E
Cyanide
7.5 ug/l
30 ug/I
Weekly
Grab
E
Mercury
0.02 ug/l
Weekly
Composite
E
Conductivity
Weekly
Grab
E,U,D
Chronic Toxicity5
Quarterly
Composite
E
Notes:
2
3
4
5
Sample Locations: E - Effluent, I - Influent, U — Upstream 100 ft., D - Downstream at NCSR 1794 (Clinchfield Road). Upstream and downstream samples shall be grab samples and shall be collected
3/week during June, July, August, and September, and once per week during the rest of the year.
The daily average dissolved oxygen effluent concentrations shall not be less than 5 mg/i.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
Monitoring requirement applies only if chlorine is added for disinfection.
Chronic Toxicity (Ceriodaphnia) P/F ® 78%; February, May, August, November; See Part III, Condition G.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

A (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL
Permit No. NC0031879
During the period beginning after expansion above 5.0 MGD and lasting until expiration, the Permittee is authorized to discharge from ouffall(s) serial number 001. Such discharges shall be limited
and monitored by the Permittee as specified below:
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Flow
6.0 MGD
Continuous
Recording
I or E
BOD5
30.0 mg/l
45.0 mg/l
.
Daily
Composite
E, I
Total Suspended Solids
30.0 mg/i
45.0 mg/I
Daily
Composite
E, I
NH3-N (Effective April 1- October 31)
1.0 mg/i
3/week
Composite
E
NH3-N (Effective November 1 - March 30)
2.0 mg/I
3/week
Composite
E
Dissolved Oxygen2
Daily
Grab
E,U,D
Fecal Coliform
200/100 ml
400/100 ml
Daily
Grab
E,U,D
pH3
Daily
Grab
E
• Total Residual Chlorine4
28 ug/I
2/week
Grab
E
Oil and Grease
2/month
Grab
E
Temperature
Daily
Grab
E,U,D
Total Nitrogen
Monthly
Composite
E
Total Phosphorus
Monthly
Composite
E
Arsenic
2/month
Grab
E,U,D
Copper
2/month
Composite
E
Zinc
2/month
Composite
E
Silver
2/month
Composite
E
Cadmium
3 ug/I
7.5 ug/i
Weekly
Composite
_
E
Chromium
75 ug/l
300 ug/i
Weekly
Composite
E
Nickel
132 ug/I
528 ug/I
Weekly
Composite
E
Lead
37 ug/I
_ 51 ug/l
Weekly
Composite
E
Cyanide
7.5 ug/I
30 ug/i
Weekly
Grab
E
Mercury
0.02 ug/I
Weekly
Composite
E
Conductivity
Weekly
Grab
E,U,D
Chronic Toxicity5
Quarterly
Composite
E
Notes:
2
3
4
5
Sample Locations: E - Effluent, I - Influent, U - Upstream 100 ft., D - Downstream at NCSR 1794 (Clinchfield Road). Upstream and downstream samples shall be grab samples and shall be collected
3/week during June, July, August, and September, and once per week during the rest of the year.
The daily average dissolved oxygen effluent concentrations shall not be less than 5 mg/I.
The pH shall not be Tess than 6.0 standard units nor greater than 9.0 standard units.
Monitoring requirement applies only if chlorine is added for disinfection.
Chronic Toxicity (Ceriodaphnia) P/F @ 81%; February, May, August, November; See Part III, Condition G.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Ir
•

ASSOCIATESMcGill
February 9, 1998
Mr. David Goodrich
North Carolina Department of Environment
and Natural Resources
Division of Water Quality
Post Office Box 29535
Raleigh, North Carolina 27626-0535
Dear Mr. Goodrich:
FEB.,‘c(cle Pecc
colgEM 4644`ft
1 1 19 $ 1/1 J
./'6t9g ,
POINT SOURCE
BRANCH To"
Pakt
RE: City of Marion
Corpening Creek Facility
NPDES # NC0031879
The City of Marion currently has a NPDES permit to discharge 3.0 mgd to
Corpening Creek. On behalf of the City of Marion, we respectfully request the
following information from your division:
• Speculative permit limits to discharge 5.0 mgd to Corpening Creek on a
permanent basis over the next five (5) years.
• Speculative permit limits to discharge 6.0 mgd to Corpening Creek on a
permanent basis for potential future expansion over the next ten (10) years.
These requests have become necessary due to the fact that several industries have
recently located in IvlcDoweli County's industrial park and that several other significant
industries are considering locating in McDowell County.
These industries, as well as commercial and residential development will be
served by the City's Corpening Creek facility. The City's facility is currently averaging
approximately 32% of the facility's design capacity. However, the facility could
approach 80% capacity with the addition of just one (1) wet process industry.
Engineering • Plan n i n g • Finance
McGill Associates, RA. • P.O. Box 2259, Asheville, NC 28802 • 55 Broad Su -eel, Asheville, NC 28801
704-252-0575 • FAX [phone]

Mr. David Goodrich
February 9, 1998
Page 2
We appreciate your assistance with this very important issue. If you have any
questions, please do not hesitate to contact our office.
Sincerely,
McGILL ASSOCIATES, P.A.
DANNY B. BRIDGES, P.E.
Project Manager
DBB
cc: J. Earl Daniels, Manager
Everett Clark, Mayor
96155.01 /Bridges/DG9Feb8. doc

North Carolina Division of Environmental Management
Water Quality Section / Intensive Survey Group
March 12, 1992
MEMORANDUM
To: Ruth Swanek
. Through: Jay Sauber
From: Howard Bryant /10 f
Subject: Long-term BOD Analysis for Marion-Corpening WWTP
County: McDowell
NPDES # NC0031879
Receiving Stream: Youngs Fork
Sub -basin: 030830
DAY EQ2 NH3-N TKN-N NOX-N J N
0 0.13 1.0 12.00 13.0
5 3.39 0.19 1.1 12.00 13.0
10 5.81 0.11 0.9 11.00 12.0
15 7.51 0.08 0.8 11.00 12.0
20 8.46 0.04 0.8 11.00 12.0
25 9.01
30 9.55 0.05 0.8 11.00 12.0
35 10.29
40 10.95
50 11.82
60 13.33 0.08 0.8 12.00 13.0
70 14.54
80 15.03
90 15.45 0.05 0.6 12.00 13.0
100 15.93
110 16.32
120 16.48 0.16 0.6 13.00 14.0
Date Collected: October 17, 1991
0900-0830
cc: Central Files
Regional Water Quality Supervisor
Collected by: Reid
pH: 8.4
Test evaluation: excellent
Seeded: seeded

Marion- Corpening Creek WWTP Model Input
S1 R1
S1 R2
S1 R3
S1 R4
S1 R5
S1 R6
S1 R7
Length (mi.)
0.37
0.94
0.11
0.72
0.31
0.15
1.37
2.66
Qw (MGD)
5.0 & 6.0
-
-
0.01
-
-
-
CBOD (mg/1)
ios,
-
-
45
-
-
-
NBOD (mg/1)
9
-
-
90
-
-
-
DO (mg/I)
5
-
-
-
-
-
-
CBOD (wnt)
loc
-
-
45
-
-
-
NBOD (wnt)
18
-
-
90
-
-
-
DO (wnt)
5
-
-
-
-
-
-
s7Q10 (cfs)
2.2
-
-
9.3
-
-
-
w7Q10 (cfs)
3.5
-
-
14
-
-
-
QA (cfs)
14
-
-
58
-
-
-
slope (fpm)
31.3
19
13.1
13.1
13.1
16.6
16.6
s7Q10 RO (cfs/mi)
0.18
0.18
0.18
0.18
0.18
0.18
0.18
w7Q10 RO (cfs/mi)
0.28
0.28
0.54
0.54
0.54
0.54
0.54
QA RO (cfs/mi)
1.54
1.54
1.13
1.13
1.13
1.13
1.13
Trib s7Q10 (cfs)
-
6.7
0.24
0.29
Trib w7Q 10 (cfs)
-
10.6
0.39
0.47
Trib QA (cfs)
-
43
2
2
NORTH
BLEDSOE
HUCKLE
MUDDY
BRANCH
BERRY
CREEK
BRANCH
LONG TERM BOD
/99 2 MY'
NBOD =
4.5
BODU=
16.48
CBOD=
11.98
BOD5=
3.39
CBOD
3.533923
BODS

SUMMER
MODEL RESULTS
Discharger : MARION-CORPENING CREEK WWTP
Receiving Stream : CORPENING CREEK (YOUNGS FORK)
The End D.O. is 6.92 mg/1.
The End CBOD is 37.66 mg/1.
The End NBOD is 3.77 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 5.12 1.31 2
Reach 1 105.00 9.00 5.00 5.00000
Reach 2 0.00 0.00 0.00 0.00000
Reach 3 0.00 0.00 0.00 0.00000
Reach 4 45.00 90.00 0.00 0.01000
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

*** MODEL SUMMARY DATA ***
,Discharger : MARION-CORPENING CREEK WWTP Subbasin : 030830
Receiving Stream : CORPENING CREEK (YOUNGS FORK) Stream Class: C
Summer 7Q10 : 2.2 Winter 7Q10 : 3.5
Design Temperature: 25.0
'LENGTH SIOPEI VELOCITY 1 DEPTH' Kd 1 Kd 1 Ka 1 Ka 1 KN 1 KN I KNR 1 KNR 1 SOD 1 SOD
1 vile 1 ft/mil fps 1 ft (design) @20° 'design ) @20° )design) @20° (design) @20° 'design' @20°
I I I I I I I I I I I I I I
Segment 1 1 0.371 31.301 0,145 1 0.94 1 0.95 1 0.16 146.82 1 41.991 0.73 1 0.50 1 0,13 1 0.00 1 0.00 1 0.00
Reach 1 1 I I 1 1 1 1 1 1 1 1 1 I
I I I I I I I I I I I I I I
Segment 1 1 0.941 19.001 0.635 1 1.03 1 0.76 1 0.61 117.49 1 15.691 0.44 1 0.30 1 0.44 1 0.00 1 0.00 1 0.00
Reach 2 1 I I 1 1 1 1 1 1 1 1 1 I
I I I I I I I I I I I I I
Segment 1 1 0.111 13.101 0.523 1 1.47 1 0.37 1 0.30 1 9.92 1 8.901 0.44 1 0.30 1 0.44 1 0.00 1 0.00 1 0.00
Reach 3 1 I I 1 1 1 1 1 1 1 1 1 1
I I
Segment 1 1 0.121 13.101 0.523 1 1.47 1 0.31 1 0.30 1 9.94 1 8.911 0.44 1 0.30 1 0.44 1 0.00 10.00 1 0.00
Reach 4 1 I I 1 1 1 1 1 1 I 1 1 I
I I I I I I I I I I I I I I
Segment 1 1 0.301 13.101 0.523 1 1.49 1 0.37 1 0.29 1 9.93 1 8.911 0.44 1 0.30 1 0.44 1 0.00 1 0.00 1 0.00
Reach 5 I I I 1 1 1 1 1 1 1 1 1 I
I I I I I I I I I I I I I
Segment 1 1 0.151 16.601 0.561 11.44 1 0.40 1 0.32 113.49 1 12.101 0.44 10.30 1 0.44 1 0.00 1 0.00 1 0.00
Reach 6 1 I I 1 1 1 1 1 1 1 1 1 I
I I I I I I I I I I I I I I
Segment 1 I 1.401 16.601 0.562 l 1.45 1 0.40 1 0.32 113.52 1 12.131 0.44 1 0.30 1 0.44 10.00 10.00 1 0.00
Reach 1 1 I I 1 1 1 I I 1 1 1 1 I
Flow
1 cfs
Segment 1 Reach 1
Waste I 7.750
Headwaters) 2.200
Tributary I 0.000
* Runoff 1 0.180
Segment 1 Reach 2
Waste I 0.000
Tributary 1 0.000
* Runoff 1 0.180
CBOD 1 NBOD 1 D.O. I
m9/1 I mg/1 I mg/l I
105.000 1 9.000 5.000
2.000 1 1.000 1 7.440
2.000 1 1.000 I 7.440
2.000 1 1.000 1 7.440
0.000
2.000
2.000
0.000
1.000
1.000
0.000
7.440
7.440
Segment 1 Reach 3
Waste I 0.000 i 0.000 I 0.000 1 0.000
Tributary 1 6.700 1 2.000 1 1.000 1 7.440
* Runoff 1 0.180 1 2.000 1 1.000 1 7.440

Segment 1 Reach 4
Waste 1 0.015 1 45.000 1 90.000 1 0.000
Tributary 0.000 1 2.000 1 1.000 ( 7.440
* Runoff 1 0.180 1 2.000 1 1.000 1 7.440
Segment 1 Reach 5
Waste 1 0.000
Tributary 1 0.240
* Runoff 1 0.180
Segment 1 Reach 6
Waste 1 0.000
Tributary ( 0.000
* Runoff 1 0.180
0.000
2.000
2.000
0.000
2.000
2.000
0.000
1.000
1.000
0.000
1.000
1.000
0.000
7.440
7.440
0.000
7.440
7.440
Segment 1 Reach 7
Waste 1 0.000 0.000 1 0.000 1 0.000
Tributary 1 0.290 1 2.000 1.000 ( 7.440
* Runoff 1 0.180 1 2.000 1 1.000 1 7.440
* Runoff flow is in cf s/mil e

SUMMER
Seg # 1 Reach # 1 9eg Mi I D.O. 1 CBOD I NBOD I Flow I
1 1 0.00 5.54 82.23 7.23 9.95
1 1 0.01 5.58 82.15 7.23 9.95
1 1 0.02 5.61 82.07 7.22 9.95
1 1 0.03 5.64 81.99 7.21 9.96
1 1 0.04 5.67 81.91 7.21 9.96
1 1 0.05 5.70 81.83 7.20 9.96
1 1 0.06 5.73 81.75 7.20 9.96
1 1 0.07 5.76 81.68 7.19 9.96
1 1 0.08 5.79 81.60 7.19 9.96
1 1 0.09 5.82 81.52 7.18 9.97
1 1 0.10 5.84 81.44 7.18 9.97
1 1 0.11 5.87 81.36 7.17 9.97
1 1 0.12 5.89 81.29 7.17 9.97
1 1 0.13 5.91 81.21 7.16 9.97
1 1 0.14 5.94 81.13 7.15 9.98
1 1 0.15 5.96 81.05 7.15 9.98
1 1 0.16 5.98 80.98 7.14 9.98
1 1 0.17 6.00 80.90 7.14 9.98
1 1 0.18 6.02 80.82 7.13 9.98
1 1 0.19 6.04 80.74 7.13 9.98
1 1 0.20 6.05 80.67 7.12 9.99
1 1 0.21 6.07 80.59 7.12 9.99
1 1 0.22 6.09 80.51 7.11 9.99
1 1 0.23 6.10 80.44 7.11 9.99
1 1 0.24 6.12 80.36 7.10 9.99
1 1 0.25 6.13 80.28 7.10 9.99
1 1 0.26 6.15 80.20 7.09 10.00
1 1 0.27 6.16 80.13 7.08 10.00
1 1 0.28 6.18 80.05 7.08 10.00
1 1 0.29 6.19 79.97 7.07 10.00
1 1 0.30 6.20 79.90 7.07 10.00
1 1 0.31 6.22 79.82 7.06 10.01
1 1 0.32 6.23 79.75 7.06 10.01
1 1 0.33 6.24 79.67 7.05 10.01
1 1 0.34 6.25 79.59 7.05 10.01
1 1 0.35 6.26 79.52 7.04 10.01
1 1 0.36 6.27 79.44 7.04 10.01
1 1 0.37 6.28 79.36 7.03 10.02
1 2 0.37 6.28 79.36 7.03 10.02
1 2 0.39 6.23 79.22 7.02 10.02
1 2 0.41 6.17 79.08 7.02 10.02
1 2 0.43 6.12 78.93 7.01 10.03
1 2 0.45 6.07 78.79 7.00 10.03
1 2 0.47 6.03 78.65 6.99 10.03
1 2 0.49 5.98 78.50 6.98 10.04
1 2 0.51 5.94 78.36 6.97 10.04
1 2 0.53 5.90 78.22 6.97 10.05
1 2 0.55 5.86 78.08 6.96 10.05
1 2 0.57 5.82 77.93 6.95 10.05
1 2 0.59 5.78 77.79 6.94 10.06
1 2 0.61 5.75 77.65 6.93 10.06
1 2 0.63 5.71 77.51 6.93 10.06
1 2 0.65 5.68 77.37 6.92 10.07
1 2 0.67 5.65 77.23 6.91 10.07
1 2 0.69 5.62 77.09 6.90 10.07
1 2 0.71 5.59 76.95 6.89 10.08
1 2 0.73 5.56 76.81 6.89 10.08
1 2 0.75 5.53 76.67 6.88 10.08
1 2 0.77 5.51 76.53 6.87 10.09
1 2 0.79 5.48 76.39 6.86 10.09

I L. W. U 1 J. 4 W I W. G. J W• Q :J I W• I W
1 2 0.83 5.44 76.11 6.85 10.10
1 2 0.85 5.42 75.97 6.84 10.10
1 2 0.87 5.40 75.84 6.83 10.11
1 2 0.89 5.38 75.70 6.82 10.11
1 2 0.91 5.36 75.56 6.82 10.11
1 2 0.93 5.34 75.42 6.81 10.12
1 2 0.95 5.32 75.29 6.80 10.12
1 2 0.97 5.31 75.15 6.79 10.12
1 2 0.99 5.29 75.01 6.78 10.13
1 2 1.01 5.27 74.88 6.78 10.13
1 2 1.03 5.26 74.74 6.77 10.14
1 2 1.05 5.25 74.61 6.76 10.14
1 2 1.07 5.23 74.47 6.75 10.14
1 2 1.09 5.22 74.34 6.75 10.15
1 2 1.11 5.21 74.20 6.74 10.15
1 2 1.13 5.20 74.07 6.73 10.15
1 2 1.15 5.19 73.93 6.72 10.16
1 2 1 . 17 5.18 73.80 6.71 10.16
1 2 1 . 19 5.17 73.66 6.71 10.16
1 2 1.21 5.16 73.53 6.70 10.17
1 2 1.23 5.15 73.40 6.69 10.17
1 2 1.25 5.14 73.26 6.68 10.17
1 2 1.27 5.14 73.13 6.68 10.18
1 2 1.29 5.13 73.00 6.67 10.18
1 2 1.31 5.12 72.87 6.66 10.19
1 3 1.31 6.04 44.75 4.41 16.89
1 3 1.32 6.05 44.72 4.41 16.89
1 3 1.33 6.05 44.70 4.41 16.89
1 3 1.34 6.05 44.68 4.41 16.89
1 3 1.35 6.06 44.65 4.40 16.89
1 3 1.36 6.06 44.63 4.40 16.89
1 3 1.37 6.07 44.60 4.40 16.90
1 3 1.38 6.07 44.58 4.40 16.90
1 3 1.39 6.07 44.56 4.39 16.90
1 3 1.40 6.08 44.53 4.39 16.90
1 3 1.41 6.08 44.51 4.39 16.90
1 3 1.42 6.09 44.48 4.39 16.91
1 4 1.42 6.08 44.48 4.46 16.92
1 4 1.50 6.11 44.29 4.44 16.94
1 4 1.58 6.14 44.11 4.42 16.95
1 4 1.66 6.16 43.92 4.40 16.96
1 4 1.74 6.19 43.73 4.38 16.98
1 4 1.82 6.21 43.54 4.36 16.99
1 4 1.90 6.23 43.36 4.34 17.01
1 4 1.98 6.25 43.17 4.32 17.02
1 4 2.06 6.27 42.99 4.30 17.04
1 4 2.14 6.29 42.80 4.28 17.05
1 5 2.14 6.30 42.24 4.23 17.29
1 5 2.17 6.31 42.17 4.22 17.30
1 5 2.20 6.32 42.10 4.22 17.30
1 5 2.23 6.32 42.03 4.21 17.31
1 5 2.26 6.33 41.97 4.20 17.31
1 5 2.29 6.34 41.90 4.19 17.32
1 5 2.32 6.34 41.83 4.19 17.32
1 5 2.35 6.35 41.77 4.18 17.33
1 5 2.38 6.36 41.70 4.17 17.33
1 5 2.41 6.36 41.63 4.16 17.34
1 5 2.44 6.37 41.57 4.16 17.34
1 6 2.44 6.37 41.57 4.16 17.34
1 6 2.45 6.38 41.54 4.15 17.35
1 6 2.46 6.38 41.52 4.15 17.35
1 6 2.47 6.39 41.50 4.15 17.35
1 6 2.48 6.40 41.48 4.15 17.35
1 6 2.49 6.40 41.45 4.14 17.35
1 6 2.50 6.41 41.43 4.14 17.36

1 0 Z.0 1 0.4‘ 4 1 .4 1 4.14 1/ .50
1 6 2.52 6.43 41.39 4.14 17.36
' 1 6 2.53 6.43 41.37 4.14 17.36
1 6 2.54 6.44 41.34 4.13 17.36
1 6 2.55 6.45 41.32 4.13 17.36
1 6 2.56 6.45 41.30 4.13 17.37
1 6 2.57 6.46 41.28 4.13 17.37
1 6 2.58 6.47 41.25 4.12 17.37
1 6 2.59 6.47 41.23 4.12 17.37
1 7 2.59 6.49 40.59 4.07 17.66
1 7 2.69 6.55 40.37 4.05 17.68
1 7 2.79 6.60 40.16 4.03 17.70
1 7 2.89 6.65 39.94 4.00 17.72
1 7 2.99 6.69 39.73 3.98 17.73
1 7 3.09 6.73 39.52 3.96 17.75
1 7 3.19 6.76 39.31 3.94 17.77
1 7 3.29 6.79 39.10 3.92 17.79
1 7 3.39 6.81 38.89 3.89 17.81
1 7 3.49 6.84 38.68 3.87 17.82
1 7 3.59 6.86 38.48 3.85 17.84
1 7 3.69 6.88 38.27 3.83 17.86
1 7 3.79 6.89 38.07 3.81 17.88
1 7 3._89 6.91 37.87 3.79 17.90
1 7 3.99 6.92 37.66 3.77 17.91
Seg # I Reach # I Seg Mi I D.O. I CBOD j NBOD I Flow

SUMMER
EXPANSION TO 6 MGD
MODEL RESULTS
Discharger : MARION-CORPENING CREEK WWTP
Receiving Stream : CORPENING CREEK (YOUNGS FORK)
The End D.O. is 6.85 mg/1.
The End CBOD is 41.90 mg/1.
The End NBOD is 4. 1 1 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 5.10 1.31 2
Reach 1 105.00 9.00
Reach 2 0.00 0.00
Reach 3 0.00 0.00
Reach 4 45.00 90.00
Reach 5 0.00 0.00
Reach 6 0.00 0.00
Reach 7 0.00 0.00
5.00 6.00000
0.00 0.00000
0.00 0.00000
0.00 0.01000
0.00 0.00000
0.00 0.00000
0.00 0.00000

*** MODEL SUMMARY DATA ***
,Discharger : MARION-CORPENING CREEK WWTP Subbasin : 030830
Receiving Stream : CORPENING CREEK (YOUNGS FORK) Stream Class: C
Summer 7Q10 : 2.2 Winter 7Q10 : 3.5
Design Temperature: 25.0
'LENGTH' SLOPE' VELOCITY 1 DEPTH' Kd 1 Kd 1 Ka 1 Ka 1 KN 1 KN I KNR 1 KNR 1 S00 1 S00
mile 1 ft/mil fps 1 ft Idesignl @20° Idesignl @20° Idesignl @20° Idesign' @20° Idesignl @20°
I I I
Segment 1 I 0.371 31.301 0.831 1 0.96 1 1.00 1 0.79 137.68 1 33.801 0.73 1 0.50 1 0.73 1 0.00 1 0.00 1 0.00
Reach 1 1 I I 1 I I 1 I I 1 I I I
I I I I I I I I I I I I I I
Segment 1 1 0.941 19.001 0.707 11.05 10.79 10.63 119.47 117.461 0.44 10.30 10.44 1 0.00 1 0,00 1 0.00
Reach 2 1 I I I I 1 1 I I 1 1 1 I
I I I I I I I I I I I I I I
Segment 1 I 0.111 13.101 0.558 11.48 1 0.38 1 0.30 110.60 I 9.511 0.44 10.30 10.44 1 0.00 10.00 1 0.00
Reach 3 1 I I I I 1 I I I 1 1 1 I
I I I I I I I I I I I I I I
Segment 1 1 0.721 13.101 0.559 1 1.49 10.38 1 0.30 110.61 I 9.521 0.44 1 0.30 1 0.44 1 0,00 1 0.00 0.00
Reach 4 1 I I I I I 1 I I I 1 I I
I I I I I I I I I I I I I I
Segment 1 1 0.301 13.101 0.558 1 1.50 1 0.38 10.30 110.59 1 9.501 0.44 1 0.30 1 0.44 1 0.00 1 0.00 10.00
Reach 5 1 I I I 1 1 1 I 1 1 1 1 I
I I I I I I I I I I I I I I
Segment 1 1 0.151 16.601 0.598 1 1.45 10.41 1 0.33 114.38 1 12.901 0.44 10.30 10.44 10.00 10.00 10.00
Reach 6 1 I I I I I 1 1 I 1 I 1 1
I I I I I I I I I I I I I I
Segment 1 1 1.401 16.601 0.598 1 1.47 10.41 1 0.33 114.40 112.911 0.44 1 0.30 1 0.44 1 0.00 10.00 1 0.00
Reach 7 1 I I
1 Flow 1 CBOD 1 NBOD 1 D.O. I
I cfs 1 mg/1 1 mg/1 1 mg/1 I
Segment 1 Reach 1
Waste 1 9.300 1105.000 1 9.000 1 5.000
Headwaters) 2.200 1 2.000 1 1.000 1 7.440
Tributary 1 0.000 1 2.000 1 1.000 1 7.440
* Runoff 1 0.180 1 2.000 1 1.000 1 7.440
Segment 1 Reach 2
Waste 1 0.000
Tributary 1 0.000
* Runoff 1 0.180
0.000
2.000
2.000
0.000
1.000
1.000
0.000
7.440
7.440
Segment 1 Reach 3
Waste 1 0.000 1 0.000 1 0.000 1 0.000
Tributary I 6.700 1 2.000 1 1.000 ( 7.440
* Runoff I 0.180 1 2.000 1 1.000 I 7.440

Segment 1 Reach 4
Waste 1 0.015 ( 45.000 1 90.000 1 0.000
Tributary 1 0.000 ( 2.000 1 1.000 ( 7.440
* Runoff 1 0.180 I 2.000 1 1.000 1 7.440
Segment 1 Reach 5
Waste 1 0.000 1 0.000
Tributary l 0.240 1 2.000
* Runoff 1 0.180 1 2.000
Segment 1 Reach 6
Waste I 0.000 1 0.000
Tributary 0.000 1 2.000
* Runoff 1 0.180 1 2.000
0.000 1 0.000
1.000 1 7.440
1.000 1 7.440
0.000
1.000
1.000
0.000
7.440
7.440
Segment 1 Reach 7
Waste 1 0.000 1 0.000 1 0.000 I 0.000
Tributary 1 0.290 1 2.000.1 1.000 1 7.440
* Runoff 1 0.180 1 2.000 1 1.000 1 7.440
* Runoff flow is in cfs/mil e

SUMMER
EXPANSION TO 6 MGD
.1
Seg # I Reach # I Seg Mi ( D.O.
1 1 0.00 5.47
1 1 0.01 5.48
1 1 0.02 5.49
1 1 0.03 5.50
1 1 0.04 5.51
1 1 0.05 5.52
1 1 0.06 5.53
1 1 0.07 5.54
1 1 0.08 5.55
1 1 0.09 5.56
1 1 0.10 5.57
1 1 0.11 5.58
1 1 0.12 5.59
1 1 0.13 5.59
1 1 0.14 5.60
1 1 0.15 5.61
1 1 0.16 5.62
1 1 0.17 5.63
1 1 0.18 5.63
1 1 0.19 5.64
1 1 0.20 5.65
1 1 0.21 5.66
1 1 0.22 5.66
1 1 0.23 5.67
1 1 0.24 5.68
1 1 0.25 5.68
1 1 0.26 5.69
1 1 0.27 5.70
1 1 0.28 5.70
1 1 0.29 5.71
1 1 0.30 5.72
1 1 0.31 5.72
1 1 0.32 5.73
1 1 0.33 5.73
1 1 0.34 5.74
1 1 0.35 5.74
1 1 0.36 5.75
1 1 0.37 5.75
1 2 0.37 5.75
1 2 0.39 5.72
1 2 0.41 5.69
1 2 0.43 5.66
1 2 0.45 5.63
1 2 0.47 5.60
1 2 0.49 5.58
1 2 0.51 5.55
1 2 0.53 5.53
1 2 0.55 5.50
1 2 0.57 5.48
1 2 0.59 5.46
1 2 0.61 5.44
1 2 0.63 5.42
1 2 0.65 5.40
1 2 0.67 5.38
1 2 0.69 5.37
1 2 0.71 5.35
1 2 0.73 5.33
1 2 0.75 5.32
1 2 0.77 5.30
1 2 0.79 5.29
CBOD
85.30
85.22
85.14
85.07
84.99
84.92
84.84
84.77
84.69
84.62
84.54
84.47
84.39
84.32
84.25
84.17
84.10
84.02
83.95
83.87
83.80
83.72
83.65
83.58
83.50
83.43
83.36
83.28
83.21
83.13
83.06
82.99
82.91
82.84
82.77
82.69
82.62
82.55
82.55
82.41
82.27
82.14
82.00
81.86
81.73
81.59
81.46
81.32
81 . 18
81.05
80.91
80.78
80.65
80.51
80.38
80.24
80.11
79.98
79.84
79.71
I NBOD I Flow I
7.47 11.50
7.46 11.50
7.46 11.50
7.45 11.51
7.45 11.51
7.44 11.51
7.44 11.51
7.43 11.51
7.43 11.51
7.42 11.52
7.42 11.52
7.41 11.52
7.41 11.52
7.40 11.52
7.40 11.53
7.39 11.53
7.39 11.53
7.38 11.53
7.38 11.53
7.37 11.53
7.37 11.54
7.36 11.54
7.36 11.54
7.35 11.54
7.35 11.54
7.34 11.54
7.34 11.55
7.33 11.55
7.33 11.55
7.32 11.55
7.32 11.55
7.31 11.56
7.31 11.56
7.30 11.56
7.30 11.56
7.30 11.56
7.29 11.56
7.29 11.57
7.29 11.57
7.28 11.57
7.27 11.57
7.26 11.58
7.26 11.58
7.25 11.58
7.24 11.59
7.23 11.59
7.23 11.60
7.22 11.60
7.21 11.60
7.20 11.61
7.20 11.61
7.19 11.61
7.18 11.62
7.17 11.62
7.17 11.62
7.16 11.63
7.15 11.63
7.14 11.63
7.14 11.64
7.13 11.64

I L U.0I D.L0 /J.30 /. IG 1 1.0D
1 2 0.83 5.26 79.45 7.11 11.65
-1. 2 0.85 5.25 79.31 7.11 11.65
1 2 0.87 5.24 79.18 7.10 11.66
1 2 0.89 5.23 79.05 7.09 11.66
1 2 0.91 5.22 78.92 7.09 11.66
1 2 0.93 5.21 78.79 7.08 11.67
1 2 0.95 5.20 78.66 7.07 11.67
1 2 0.97 5.19 78.53 7.06 11.67
1 2 0.99 5.18 78.39 7.06 11.68
1 2 1.01 5.18 78.26 7.05 11.68
1 2 1.03 5.17 78.13 7.04 11.69
1 2 1.05 5.16 78.00 7.03 11.69
1 2 1.07 5.16 77.88 7.03 11.69
1 2 1.09 5.15 77.75 7.02 11.70
1 2 1.11 5.14 77.62 7.01 11.70
1 2 1.13 5.14 77.49 7.01 11.70
1 2 1.15 5.13 77.36 7.00 11.71
1 2 1.17 5.13 77.23 6.99 11.71
1 2 1.19 5.12 77.10 6.98 11.71
1 2 1.21 5.12 76.97 6.98 11.72
1 2 1.23 5.12 76.85 6.97 11.72
1 2 1.25 5.11 76.72 6.96 11.72
1 2 1.27 5.11 76.59 6.96 11.73
1 2 1.29 5.11 76.46 6.95 11.73
1 2 1.31 5.10 76.34 6.94 11.74
1 3 1.31 5.95 49.32 4.78 18.44
1 3 1.32 5.96 49.30 4.78 18.44
1 3 1.33 5.96 49.27 4.78 18.44
1 3 1.34 5.97 49.25 4.77 18.44
1 3 1.35 5.97 49.22 4.77 18.44
1 3 1.36 5.97 49.20 4.77 18.44
1 3 1.37 5.98 49.17 4.77 18.45
1 3 1.38 5.98 49.15 4.76 18.45
1 3 1.39 5.99 49.12 4.76 18.45
1 3 1.40 5.99 49.10 4.76 18.45
1 3 1.41 5.99 49.07 4.76 18.45
1 3 1.42 6.00 49.05 4.75 18.46
1 4 1.42 5.99 49.04 4.82 18.47
1 4 1.50 6.02 48.84 4.80 18.49
1 4 1.58 6.05 48.65 4.78 18.50
1 4 1.66 6.07 48.45 4.76 18.51
1 4 1.74 6.10 48.25 4.74 18.53
1 4 1.82 6.12 48.06 4.72 18.54
1 4 1.90 6.14 47.86 4.70 18.56
1 4 1.98 6.16 47.67 4.68 18.57
1 4 2.06 6.18 47.48 4.66 18.59
1 4 2.14 6.20 47.28 4.63 18.60
1 5 2.14 6.22 46.71 4.59 18.84
1 5 2.17 6.22 46.64 4.58 18.85
1 5 2.20 6.23 46.56 4.57 18.85
1 5 2.23 6.24 46.49 4.57 18.86
1 5 2.26 6.24 46.42 4.56 18.86
1 5 2.29 6.25 46.35 4.55 18.87
1 5 2.32 6.26 46.28 4.54 18.87
1 5 2.35 6.26 46.21 4.53 18.88
1 5 2.38 6.27 46.14 4.53 18.88
1 5 2.41 6.27 46.07 4.52 18.89
1 5 2.44 6.28 46.00 4.51 18.89
1 6 2.44 6.28 46.00 4.51 18.89
1 6 2.45 6.29 45.98 4.51 18.90
1 6 2.46 6.29 45.96 4.51 18.90
1 6 2.47 6.30 45.93 4.50 18.90
1 6 2.48 6.31 45.91 4.50 18.90
1 6 2.49 6.32 45.89 4.50 18.90
1 6 2.50 6.32 45.86 4.50 18.91

I 0 d.:a 1 w.:a:a 'j.ww+ 4.00 iu.a 1
1 6 2.52 6.34 45.82 4.49 18.91
1 6 2.53 6.35 45.79 4.49 18.91
1 6 2.54 6.35 45.77 4.49 18.91
1 6 2.55 6.36 45.75 4.49 18.91
1 6 2.56 6.37 45.72 4.48 18.92
1 6 2.57 6.37 45.70 4.48 18.92
1 6 2.58 6.38 45.68 4.48 18.92
1 6 2.59 6.39 45.65 4.48 18.92
1 7 2.59 6.40 44.99 4.42 19.21
1 7 2.69 6.46 44.76 4.40 19.23
1 7 2.79 6.52 44.54 4.38 19.25
1 7 2.89 6.56 44.31 4.36 19.27
1 7 2.99 6.61 44.09 4.33 19.28
1 7 3.09 6.64 43.86 4.31 19.30
1 7 3.19 6.68 43.64 4.29 19.32
1 7 3.29 6.71 43.42 4.27 19.34
1 7 3.39 6.73 43.20 4.24 19.36
1 7 3.49 6.76 42.98 4.22 19.37
1 7 3.59 6.78 42.76 4.20 19.39
1 7 3.69 6.80 42.55 4.18 19.41
1 7 3.79 6.81 42.33 4.16 19.43
1 7 3.89 6.83 42.12 4.13 19.45
1 7 3.99 6.85 41.90 4.11 19.46
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD 1 Flow I

WINTER
EXPANSION TO 6 MGD
------- MODEL RESULTS
Discharger : MARION-CORPENING CREEK WWTP
Receiving Stream : CORPENING CREEK (YOUNGS FORK)
The End D.O. is 9.12 mg/1.
The End CBOD is 35.62 mg/1.
The End NBOD is 6.83 mg/1.
Segment 1
Reach 1
Reach 2
Reach 3
Reach 4
Reach 5
Reach 6
Reach 7
00 Min
(mg/1)
6.17
WLA WLA WLA
CBOD NBOD DO Waste Flow
Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
0.00 1
105.00 18.00 5.00 6.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
45.00 90.00 0.00 0.01000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
014 rs (0,33 -1 3.OD 14;4ff

*** MODEL SUMMARY DATA ***
,Discharger : MARION-CORPENING CREEK WWTP Subbasin : 030830
Receiving Stream : CORPENING CREEK (YOUNGS FORK) Stream Class: C
Summer 7Q10 : 2.2 Winter 7Q10 : 3.5
Design Temperature: 14.0
ILENGTHI SLOPE' VELOCITY 1 DEPTH Kd 1 Kd 1 Ka 1 Ka 1 KN 1 KN 1 KNR 1 KNR 1 SOD 1 SOD
mile 1 ft/mil fps 1 ft 'design l @20° Idesign' @20° 'design ) @20° Idesign) @20° 'design' @20°
I I 1 1 1 1 1 I
Segment 1 1 0.311 31.301 0.901 1 0.98 1 0.62 1 0.82 132.11 1 36.651 0.32 1 0.50 1 0.32 1 0.00 1 0.00 10.00
Reach 1 1 I I 1 1 1 1 1 I 1 1 1 I
I I 1 1 1 1 1 I 1 1 1 I I
Segment 1 1 0.941 19.001 0.169 1 1.06 1 0.49 1 0.64 116.61 1 19.001 0.19 1 0.30 1 0.19 1 0.00 1 0.00 1 0.00
Reach 2 1 I I 1 1 1 1 1 I 1 1 1 I
I I 1 1 1 1 1 I
Segment 1 I 0.111 13.101 0.615 1 1.53 1 0.24 1 0.32 110.10 1 11.501 0.19 10.30 1 0.19 1 0.00 1 0,00 1 0.00
Reach 3 1 I I 1 1 1 1 1 I 1 1 1 I
I I 1 1 1 1 1 I 1 1 1 I I
Segment 1 1 0.121 13.101 0.616 1 1.54 1 0.24 1 0.32 110.11 1 11.521 0.19 1 0.30 1 0.19 1 0.00 1 0.00 1 0.00
Reach 4 I I I 1 1 1 1 1 I 1 1 1 I
I I 1 1 1 1 1 I 1 1 1 I I
Segment 1 1 0.301 13.101 0.618 1 1.55 1 0,24 1 0.32 110.13 1 11.541 0.19 1 0.30 1 0.19 1 0.00 10.00 1 0.00
Reach 5 1 I I 1 1 1 1 1 I 1 1 1 I
I I I 1 1 1 1 1 I 1 1 1 I I
Segment 1 1 0.151 16.601 0.126 1 1.50 1 0.21 1 0.35 113.15 1 15.671 0.19 1 0.30 1 0.19 1 0.00 1 0.00 1 0.00
Reach 6 I I I 1 1 1 1 1 I 1 1 1 I
I I I I i I I I I 1 1 I I
Segment 1 1 1.401 16.601 0.130 1 1.52 10.21 1 0.35 1 9.35 1 10.661 0.19 1 0.30 1 0.19 1 0.00 1 0.00 1 0.00
Reach i I I I 1 1 1 1 1 I 1 1 1 I
1 Flow 1 CBOD 1 NBOD 1 D.O. I
I cfs 1 mg/1 1 mg/1 1 mg/1 I
Segment 1 Reach 1
Waste 1 9.300 1105.000 118.000 1 5.000
Headwaters) 3.500 1 2.000 1 1.000 1 9.280
Tributary 1 0.000 1 2.000 1 1.000 1 9.280
* Runoff 1 0.280 1 2.000 1 1.000 1 9.280
Segment 1 Reach 2
Waste 1 0.000
Tributary 1 0.000
* Runoff 1 0.280
0.000 1 0.000
2.000 1 1.000
2.000 1 1.000
0.000
9.280
9.280
Segment 1 Reach 3
Waste 1 0.000
Tributary 1 10.600
* Runoff 1 0.280
0.000
2.000
2.000
0.000
1.000
1.000
0.000
9.280
9.280

Segment 1 Reach 4
Waste 1 0.015 1 45.000 1 90.000
Tributary 1 0.000 1 2.000 1 1.000
* Runoff 1 0.280 1 2.000 1 1.000
Segment 1 Reach 5
Waste 1 0.000
Tributary 1 0.390
* Runoff 1 0.280
Segment 1 Reach 6
Waste 1 0.000
Tributary 1 0.000
* Runoff 1 0.280
Segment 1 Reach 7
Waste 1 0.000
Tributary 1 0.470
* Runoff 1 0.280
0.000
2.000
2.000
0.000
2.000
2.000
0.000
2.000
2.000
* Runoff flow is in cf s/mil e
0.000
1.000
1.000
0.000
1.000
1.000
0.000
1.000
1.000
0.000
9.280
9.280
0.000
9.280
9.280
0.000
9.280
9.280
0.000
9.280
9.280

WINTER
EXPANSION TO 6 MGD
.1 Seg # 1 Reach # 1 Seg Mi 1 D.O. 1 CBOD 1 NBOD 1 Flow 1
1 1 0.00 6.17 76.84 13.35 12.80
1 1 0.01 6.23 76.79 13.35 12.80
1 1 0.02 6.28 76.74 13.34 12.81
1 1 0.03 6.33 76.69 13.33 12.81
1 1 0.04 6.38 76.64 13.33 12.81
1 1 0.05 6.43 76.59 13.32 12.81
1 1 0.06 6.48 76.54 13.32 12.82
1 1 0.07 6.53 76.50 13.31 12.82
1 1 0.08 6.58 76.45 13.31 12.82
1 1 0.09 6.63 76.40 13.30 12.83
1 1 0.10 6.67 76.35 13.30 12.83
1 1 0.11 6.72 76.30 13.29 12.83
1 1 0.12 6.76 76.25 13.29 12.83
1 1 0.13 6.80 76.20 13.28 12.84
1 1 0.14 6.84 76.16 13.27 12.84
1 1 0.15 6.88 76.11 13.27 12.84
1 1 0.16 6.92 76.06 13.26 12.84
1 1 0.17 6.96 76.01 13.26 12.85
1 1 0.18 7.00 75.96 13.25 12.85
1 1 0.19 7.04 75.92 13.25 12.85
1 1 0.20 7.08 75.87 13.24 12.86
1 1 0.21 7.11 75.82 13.24 12.86
1 1 0.22 7.15 75.77 13.23 12.86
1 1 0.23 7.18 75.72 13.22 12.86
1 1 0.24 7.22 75.68 13.22 12.87
1 1 0.25 7.25 75.63 13.21 12.87
1 1 0.26 7.28 75.58 13.21 12.87
1 1 0.27 7.31 75.53 13.20 12.88
1 1 0.28 7.34 75.48 13.20 12.88
1 1 0.29 7.37 75.44 13.19 12.88
1 1 0.30 7.40 75.39 13.19 12.88
1 1 0.31 7.43 75.34 13.18 12.89
1 1 0.32 7.46 75.29 13.18 12.89
1 1 0.33 7.49 75.25 13.17 12.89
1 1 0.34 7.51 75.20 13.16 12.90
1 1 0.35 7.54 75.15 13.16 12.90
1 1 0.36 7.57 75.10 13.15 12.90
1 1 0.37 7.59 75.06 13.15 12.90
1 2 0.37 7.59 75.06 13.15 12.90
1 2 0.39 7.60 74.97 13.14 12.91
1 2 0.41 7.61 74.88 13.13 12.91
1 2 0.43 7.62 74.79 13.12 12.92
1 2 0.45 7.63 74.70 13.11 12.93
1 2 0.47 7.64 74.61 13.10 12.93
1 2 0.49 7.65 74.52 13.09 12.94
1 2 0.51 7.66 74.43 13.08 12.94
1 2 0.53 7.67 74.34 13.07 12.95
1 2 0.55 7.68 74.25 13.07 12.95
1 2 0.57 7.69 74.16 13.06 12.96
1 2 0.59 7.70 74.07 13.05 12.97
1 2 0.61 7.71 73.98 13.04 12.97
1 2 0.63 7.71 73.90 13.03 12.98
1 2 0.65 7.72 73.81 13.02 12.98
1 2 0.67 7.73 73.72 13.01 12.99
1 2 0.69 7.74 73.63 13.00 12.99
1 2 0.71 7.75 73.54 12.99 13.00
1 2 0.73 7.75 73.46 12.98 13.00
1 2 0.75 7.76 73.37 12.97 13.01
1 2 0.77 7.77 73.28 12.97 13.02
1 2 0.79 7.77 73.19 12.96 13.02

I L U.0I l.10 lJ. 1 1 14.J0 'Jill.)
1 2 0.83 7.79 73.02 12.94 13.03
1 2 0.85 7.80 72.93 12.93 13.04
1 2 0.87 7.80 72.84 12.92 13.04
1 2 0.89 7.81 72.76 12.91 13.05
1 2 0.91 7.82 72.67 12.90 13.05
1 2 0.93 7.82 72.58 12.89 13.06
1 2 0.95 7.83 72.50 12.88 13.07
1 2 0.97 7.83 72.41 12.88 13.07
1 2 0.99 7.84 72.32 12.87 13.08
1 2 1.01 7.85 72.24 12.86 13.08
1 2 1.03 7.85 72.15 12.85 13.09
1 2 1.05 7.86 72.07 12.84 13.09
1 2 1.07 7.86 71.98 12.83 13.10
1 2 1.09 7.87 71.89 12.82 13.11
1 2 1.11 7.88 71.81 12.81 13.11
1 2 1.13 7.88 71.72 12.80 13.12
1 2 1.15 7.89 71.64 12.80 13.12
1 2 1.17 7.89 71.55 12.79 13.13
1 2 1.19 7.90 71.47 12.78 13.13
1 2 1.21 7.90 71.38 12.77 13.14
1 2 1.23 7.91 71.30 12.76 13.14
1 2 1.25 7.91 71.21 12.75 13.15
1 2 1.27 7.92 71.13 12.74 13.16
1 2 1.29 7.92 71.04 12.73 13.16
1 2 1.31 7.93 70.96 12.72 13.17
1 3 1.31 8.53 40.20 7.50 23.77
1 3 1.32 8.54 40.19 7.49 23.77
1 3 1.33 8.54 40.18 7.49 23.77
1 3 1.34 8.55 40.16 7.49 23.78
1 3 1.35 8.55 40.15 7.49 23.78
1 3 1.36 8.56 40.14 7.49 23.78
1 3 1.37 8.57 40.12 7.48 23.78
1 3 1.38 8.57 40.11 7.48 23.79
1 3 1.39 8.58 40.10 7.48 23.79
1 3 1.40 8.58 40.08 7.48 23.79
1 3 1.41 8.59 40.07 7.47 23.79
1 3 1.42 8.60 40.06 7.47 23.80
1 4 1.42 8.59 40.06 7.53 23.81
1 4 1.50 8.63 39.96 7.51 23.84
1 4 1.58 8.68 39.85 7.49 23.86
1 4 1.66 8.72 39.74 7.48 23.88
1 4 1.74 8.75 39.64 7.46 23.90
1 4 1.82 8.78 39.54 7.44 23.93
1 4 1.90 8.82 39.43 7.43 23.95
1 4 1.98 8.85 39.33 7.41 23.97
1 4 2.06 8.87 39.22 7.40 23.99
1 4 2.14 8.90 39.12 7.38 24.01
1 5 2.14 8.91 38.53 7.28 24.40
1 5 2.17 8.92 38.49 7.27 24.41
1 5 2.20 8.92 38.45 7.27 24.42
1 5 2.23 8.93 38.41 7.26 24.43
1 5 2.26 8.94 38.38 7.26 24.44
1 5 2.29 8.95 38.34 7.25 24.45
1 5 2.32 8.96 38.30 7.24 24.46
1 5 2.35 8.97 38.26 7.24 24.46
1 5 2.38 8.98 38.23 7.23 24.47
1 5 2.41 8.98 38.19 7.23 24.48
1 5 2.44 8.99 38.15 7.22 24.49
1 6 2.44 8.99 38.15 7.22 24.49
1 6 2.45 9.00 38.14 7.22 24.49
1 6 2.46 9.00 38.13 7.22 24.49
1 6 2.47 9.01 38.11 7.21 24.50
1 6 2.48 9.01 38.10 7.21 24.50
1 6 2.49 9.02 38.09 7.21 24.50
1 6 2.50 9.02 38.08 7.21 24.51

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Seg #
0 4. 0 1 J. U
6 2.52 9.03
6 2.53 9.04
6 2.54 9.05
6 2.55 9.05
6 2.56 9.05
6 2.57 9.06
6 2.58 9.06
6 2.59 9.07
7 2.59 9.07
7 2.69 9.08
7 2.79 9.08
7 2.89 9.08
7 2.99 9.09
7 3.09 9.09
7 3.19 9.09
7 3.29 9.10
7 3.39 9.10
7 3.49 9.10
7 3.59 9.11
7 3.69 9.11
7 3.79 9.11
7 3.89 9.12
7 3.99 9.12
Reach # I Seg Mi I D.O.
30.U0 1. 4 1
38.05 7.21
38.04 7.20
38.03 7.20
38.01 7.20
38.00 7.20
37.99 7.20
37.98 7.19
37.96 7.19
37.29 7.08
37.17 7.06
37.04 7.04
36.92 7.02
36.80 7.00
36.68 6.99
36.56 6.97
36.44 6.95
36.32 6.93
36.20 6.92
36.09 6.90
35.97 6.88
35.85 6.86
35.73 6.85
35.62 6.83
CBOD I NBOD
44.01
24.51
24.51
24.52
24.52
24.52
24.53
24.53
24.53
25.00
25.03
25.06
25.08
25.11
25.14
25.17
25.20
25.22
25.25
25.28
25.31
25.34
25.36
25.39
Flow

MARION WWTP
NC0031489
3 /872
Residual Chlorine Ammonia as NH3
(summer)
7010 (CFS)
DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (UG/L)
UPS BACKGROUND LEVEL
IWC (%)
Allowable Concentration (ug
Fecal Limit
Ratio of 0.2 :1
2.2 7Q10 (CFS)
6 DESIGN FLOW (MGD)
9.3 DESIGN FLOW (CFS)
17.0 STREAM STD (MG/L)
0 UPS BACKGROUND LEVEL
80.87 IWC (%)
21.02 Allowable Concentration (rr
Ammonia as NH3
(winter)
7010 (CFS)
200/100mi DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (MG/L)
UPS BACKGROUND LEVEL
IWC (%)
Allowable Concentration (rr
2.2
6
9.3
1.0
0.22
80.87
1.18
3.5
6
9.3
1.8
0.22
72.66
2.39
JMN
NC0020940
2/18/98

MARION WWTP
NC0031789
Residual Chlorine Ammonia as NH3
(summer)
7Q10 (CFS)
DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (UG/L)
UPS BACKGROUND LEVEL (
IWC (%)
Allowable Concentration (ug
Fecal Limit
Ratio of 0.3 :1
2.2 " 7010 (CFS)
5 b DESIGN FLOW (MGD)
7.75 9.3 DESIGN FLOW (CFS)
17.0 STREAM STD (MG/L)
0 UPS BACKGROUND LEVEL
77.89 s30.51IWC (%)
21.83 2.i.° -Allowable Concentration (rr
Ammonia as NH3
(winter)
7010 (CFS)
200/100m1 DESIGN FLOW (MGD)
DESIGN FLOW (CFS)
STREAM STD (MG/L)
UPS BACKGROUND LEVEL
IWC (%)
Allowable Concentration (a
2.2
5
7.75
1.0
0.22
77.89
1.22
3.5
5
7.75
1.8
0.22
68.89
2.51
6
1,3
47
JMN
NC0020940
2/18/98

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Facility: marion wwtp
NPDES#: NC0032789
Receiving Stream: Youngs Fork
Comment(s):
gage number not available
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7Q10 Low Flow Record Station:
30Q2 Low Flow Record Station:
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7Q10 per Report Equation:
w7Q10 per Report Equation:
3002 per Report Equation:
Drainage Area Ratio:
[ new DA / Da at gage
Weighted Ratio:
Over -ride Inappropriate Site (y ):
HA10
must be < 400 sq. miles
9.15 sq. miles
1.7
16 cfs
2.48 cfs
3.81 cfs
5.35 cfs
Continue
#VALUE!
#VALUE!
#VALUE!
Drainage Area New Site:
MAR New Site:
Weighted Qave per Report Equation:
Weighted s7Q10 per Report Equation:
Weighted w7Q10 per Report Equation:
Weighted 3002 per Report Equation:
II
9.15 miles squared
1.7
#VALUE!
#VALUE!
#VALUE!
#VALUE!

Facility: marion
NPDES#: ncoo31789
Receiving Stream: youngs fork
Comment(s):
gage number not available
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7Q10 Low Flow Record Station:
30Q2 Low Flow Record Station:
1
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7Q10 per Report Equation:
w7Q10 per Report Equation:
3002 per Report Equation:
Drainage Area Ratio:
[ new DA/Daatgage
Weighted Ratio:
Over --ride Inappropriate Site (y ):
Drainage Area New Site:
MAR New Site:
Weighted Qave per Report Equation:
eighted s7Q10 per Report Equation:
Weighted w7Q10 per Report Equation:
Weighted 30Q2 per Report Equation:
[J
HA10
must be < 400 sq. miles
8.28 sq. miles
1.7
14 cfs
2.24 cfs
3.45 cfs
4.84 cfs
Continue
#VALUE!
#VALUE!
#VALUE!
8.28 miles squared
1.7
#VALUE!
#VALUE!
#VALUE!
#VALUE!

Facility:
NPDES#:
Receiving Stream: North Muddy Creek
Comment(s):
gage number not available
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7Q10 Low Flow Record Station:
3002 Low Flow Record Station:
o
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7Q10 per Report Equation:
w7Q10 per Report Equation:
30Q2 per Report Equation:
02.1387.2000
HA10
45.70 miles squared
68.55 cfs
12.00 cfs
20.00 cfs
32.00 cfs
must be c 400 sq. miles
25.00 sq. miles
1.7
43 cfs
6.84 cfs
10.32 cfs
14.62 cfs
Continue
Drainage Area Ratio: 0.55 :1
[ new DA / Da at gage Continue
Weighted Ratio: 0.40 :1
Over -ride Inappropriate Site (y ):
Drainage Area New Site:
MAR New Site:
Weighted Qave per Report Equation:
Weighted s7Q10 per Report Equation:
Weighted w7Q10 per Report Equation:
Weighted 30Q2 per Report Equation:
II
25.00 miles squared
1.7
43 cfs
6.73 cfs
10.56 cfs
15.76 cfs

Facility:
NPDES#:
Receiving Stream: North Muddy Creek
Comment(s):
gage number not available
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7010 Low Flow Record Station:
3002 Low Flow Record Station:
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7Q10 per Report Equation:
w7Q10 per Report Equation:
3002 per Report Equation:
02.1387.2000
HA10
45.70 miles squared
68.55 cfs
12.00 cfs
20.00 cfs
32.00 cfs
must be < 400 sq. miles
34.00 sq. miles
1.7
58 cfs
9.33 cfs
13.99 cfs
19.88 cfs
Continue
Drainage Area Ratio: 0.74 :1
[ new DA / Da at gage Continue
Weighted Ratio: 0.66 :1
Over -ride Inappropriate Site (y ):
Drainage Area New Site: 34.00 miles squared
MAR New Site:
Weighted Qave per Report Equation:
Weighted s7Q10 per Report Equation:
Weighted w7Q10 per Report Equation:
Weighted 3002 per Report Equation:
D
1.7
58 cfs
9.07 cfs
14.57 cfs
22.47 cfs

Facility:
NPDES#:
Receiving Stream: North Muddy Creek
Comment(s):
gage number not available
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7Q10 Low Flow Record Station:
30Q2 Low Flow Record Station:
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7010 per Report Equation:
w7010 per Report Equation:
3002 per Report Equation:
02.1387.2000
HA10
45.70 miles squared
68.55 cfs
12.00 cfs
20.00 cfs
32.00 cfs
must be < 400 sq. miles
36.80 sq. miles
1.7
63 cfs
10.11 cfs
15.13 cfs
21.52 cfs
Continue
Drainage Area Ratio: 0.81 :1
[ new DA / Da at gage Continue
Weighted Ratio: 0.74 :1
Over -ride Inappropriate Site (y ):
Drainage Area New Site: 36.80 miles squared
MAR New Site: 1.7
Weighted Qave per Report Equation: 63 cfs
Weighted s7Q10 per Report Equation: 9.78 cfs
Weighted w7Q10 per Report Equation: 15.85 cfs
Weighted 3002 per Report Equation: 24.67 cfs
[I

Facility:
NPDES#:
Receiving Stream:
Comment(s):
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7Q10 Low Flow Record Station:
3002 Low Flow Record Station:
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7010 per Report Equation:
w7Q10 per Report Equation:
30Q2 per Report Equation:
Drainage Area Ratio:
[ new DA / Da at gage
Weighted Ratio:
Over -ride Inappropriate Site (y ):
Bledsoe Creek
gage number not available
HA10
must be < 400 sq. miles
0.92 sq. miles
1.7
2 cfs
0.24 cfs
0.39 cfs
0.54 cfs
Continue
#VALUE!
#VALUE!
#VALUE!
Drainage Area New Site:
MAR New Site:
Weighted Qave per Report Equation:
eighted s7Q10 per Report Equation:
Weighted w7010 per Report Equation:
Weighted 3002 per Report Equation:
II
0.92 miles squared
1.7
#VALUEI
#VALUE!
#VALUE!
#VALUE!

D
Facility:
NPDES#:
Receiving Stream: Huckleberry Branch
Comment(s):
gage number not available
Low Row Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7010 Low Flow Record Station:
w7010 Low Flow Record Station:
30Q2 Low Flow Record Station:
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7Q10 per Report Equation:
w7010 per Report Equation:
30Q2 per Report Equation:
Drainage Area Ratio:
[ new DA / Da at gage
Weighted Ratio:
Over -ride Inappropriate Site (y ):
HA10
must be < 400 sq. miles
1.11 sq. miles
1.7
2 cfs
0.29 cfs
0.47 cfs
0.65 cfs
Continue
#VALUE!
#VALUE!
#VALUE!
Drainage Area New Site:
MAR New Site:
Weighted Qave per Report Equation:
Weighted s7Q10 per Report Equation:
Weighted w7Q10 per Report Equation:
Weighted 3002 per Report Equation:
v
1.11 miles squared
1.7
#VALUE!
#VALUE!
#VALUE!
#VALUE!

Facility:
NPDES#:
Receiving Stream:
Comment(s):
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7010 Low Flow Record Station:
30Q2 Low Flow Record Station:
1
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7Q10 per Report Equation:
w7Q10 per Report Equation:
3002 per Report Equation:
Drainage Area Ratio:
[ new DA/Da at gage
Weighted Ratio:
Over -ride Inappropriate Site (y ):
North Muddy Creek
gage number not available
02.1387.2000
HA10
45.70 miles squared
68.55 cfs
12.00 cfs
20.00 cfs
32.00 cfs
must be < 400 sq. miles
38.60 sq. miles
1.7
66 cfs
10.61 cfs
15.86 cfs
22.57 cfs
Continue
0.84:1
Continue
0.79 :1
Drainage Area New Site:
MAR New Site:
Weighted Qave per Report Equation:
Weighted s7Q10 per Report Equation:
Weighted w7Q10 per Report Equation:
Weighted 3002 per Report Equation:
o
38.60 miles squared
1.7
66 cfs
10.23 cfs
16.68 cfs
26.11 cfs

Facility:
NPDES#:
Receiving Stream: North Muddy Creek
Comment(s):
gage number not available
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7Q10 Low Fiow Record Station:
3002 Low Fiow Record Station:
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7Q1 0 per Report Equation:
w7Q10 per Report Equation:
3002 per Report Equation:
HA10
45.70 miles squared
68.55 cfs
12.00 cfs
20.00 cfs
32.00 cfs
must be < 400 sq. miles
57.30 sq. miles
1.7
97 cfs
15.81 cfs
23.45 cfs
33.51 cfs
Continue
Drainage Area Ratio: 1.25 :1
[ new DA / Da at gage Continue
Weighted Ratio: 0.92 :1
Over -ride Inappropriate Site (y ):
Drainage Area New Site:
MAR New Site:
Weighted Qave per Report Equation:
Weighted s7Q10 per Report Equation:
Weighted w7010 per Report Equation:
Weighted 3002 per Report Equation:
II
57.30 miles squared
1.7
97 cfs
15.11 cfs
24.94 cfs
39.56 cfs

Facility:
NPDES#:
Receiving Stream: North Muddy Creek
Comment(s):
gage number not available
Low Flow Record Station Number:
Hydrologic Area Number:
Drainage Area Low Flow Record Station:
Qave Low Flow Record Station:
s7Q10 Low Flow Record Station:
w7010 Low Flow Record Station:
30Q2 Low Flow Record Station:
Drainage Area New Site:
MAR New Site:
Qave per Report Equation:
s7Q10 per Report Equation:
w7010 per Report Equation:
3002 per Report Equation:
HA10
45.70 miles squared
68.55 cfs
12.00 cfs
20.00 cfs
32.00 cfs
must be < 400 sq. miles
57.30 sq. miles
1.7
97 cfs
15.81 cfs
23.45 cfs
33.51 cfs
Continue
Drainage Area Ratio: 1.25 :1
[ new DA / Da at gage Continue
Weighted Ratio: 0.92 :1
Over -ride Inappropriate Site (y ):
Drainage Area New Site: 57.30 miles squared
MAR New Site:
Weighted Qave per Report Equation:
eighted s7010 per Report Equation:
Weighted w7010 per Report Equation:
Weighted 3002 per Report Equation:
U
1.7
97 cfs
15.11 cfs
24.94 cfs
39.56 cfs