HomeMy WebLinkAboutNC0025071_Instream Assessment_19891227DIVISION OF ENVIRONMENTAL MANAGEMENT
December 27, 1989
TO: Steve Mauney
FROM: Juan C. Mangles Ir
THROUGH: Tom Stockton/ \\'� /
Trevor Clement.,
SUBJECT: Instream Assessment for Eden -Mebane Bridge WWTP
NPDES Permit No. NC0025072
and Eden -Dry Creek WWTP
NPDES Permit No. NC0025151
Rockingham County
KiRfu�L3i ili4iftiIII9
The Technical Support Branch has received an instream assessment request for a
Special Order by Consent (SOC) for Eden -Mebane Bridge WWTP to allow flows up to
9.0 MGD from 7.0 MGD (design capacity). The requested additional flow is due to
current infiltration problems which have placed the subject facility in noncom-
pliance with the flow limitation contained in the NPDES permit, and also, to accept
additional industrial flow until the existing WWTP is expanded. This facility has
a flow average (09-88/08-90) of 6.51 MGD, with a maximum monthly flow average of
8.66 MGD which occurred in March.
The City of Eden has also requested an SOC for Eden -Dry Creek WWTP to increase
the permitted flow from 0.5 MGD (design capacity) to 1.0 MGD. The requested
additional flow is due to current infiltration problems which have placed the
subject facility in noncompliance with the flow limitation contained in the NPDES
permit. Furthermore, the City would like to divert flow from the Eden -Mebane
Bridge WWTP to this facility until the Eden -Mebane Bridge WWTP is expanded.
Eden -Dry Creek WWTP has an average flow (09-88/08-90) of 0.445 MGD, with a maximum
monthly flow average of 0.59 MGD which occurred in June.
The City of Eden has also applied for a permit modification to expand the
Eden -Mebane Bridge WWTP. The requested flow is 9.0 MGD and ultimately 13.5 MGD.
The application has been returned until an environmental assessment (EA) for this
expansion is provided, as per current regulations. A scoping session for the
preparation of an EA was held in DEM's Central Office on December 11, 1989. It is
our understanding that the City of Eden has expeditiously initiated the preparation
of the EA.
The results of a level B water quality modeling analysis indicate that the
requested flow increase will have very little additional impact on the dissolved
oxygen concentration within the receiving surface waters. Therefore, under EMC
criteria, there is no basis for denying a 2.4934 MGD flow increase for Eden -Mebane
Bridge WWTP and a 0.555 MGD flow increase for Eden -Dry Creek WWTP. However, the
Technical Support Branch is also concerned about the toxicity potential of the
industrial component of the wastewater. A chronic ceriodaphnia toxicity test
performed by DEM on January 22, 1987 does not indicate that toxicity problems would
be expected as a result of the Eden -Mebane Bridge WWTP discharge. However, since
neither facility is currently required to perform toxicity tests, there is no
updated information available to assess any current whole effluent toxicity _
problems at expanded flows.
Contingent that no significant environmental impact is determined by the
EA, the SOC's allowing additional allocation of domestic and/or industrial contrib-
utors to the treatment works should be submitted to the EMC for approval. It -is
recommended that the flow additions be granted in increments, according to a
schedule for increasing flows from individual contributors (i.e. allocation of flow
to*9.0 MGD and to 1.0 MGD to Eden -Mebane Bridge WWTP and Eden -Dry Creek WWTP
respectively, should not be all granted at one time). This strategy will provide a
short period of time to allow the Winston-Salem Regional Office to determine the
potential toxicity impact (i.e. based on toxicity test results) of the initial
industrial flow additions to each facility. Should no toxicity problems be
documented, subsequent flow allocations could be granted under current standard
procedures for flow additions via administrative letter. However, if toxicity is
present, then the facility should be made to demonstrate that the additional
industrial flows are treatable or the additions should be delayed until consistent
compliance with the toxicity limits is achieved. Also, should an SOC be issued
prior to approval of the EA, it should not allow additional sources of domestic
and/or industrial waste to be served by either facility until a "Finding of No
Significant Impact" (FONSI) has been issued by the Division. In this case, the SOC
should only address the infiltration problems currently observed in both facili-
ties.
Finally, given that the additional source of wastewater is from textile
industries, it is recommended that the order clearly address color. Upon renewal
of their NPDES permit in early 1990, Eden will be required to control color in
their effluent to a specified level. Therefore, the Order should contain mile-
stones for establishing facility headworks analyses, modifying existing pretreat-
ment permits, and attaining compliance by a specified date. The addition of the
proposed industrial sources should not disrupt this process.
Background Information
Eden -Mebane Bridge WWTP discharges into the Dan River which is classified "C"
waters. The Dan River is characterized at the discharge point by the following:
DA = 1700 sq. miles; 7010 - 313.0 cfs and Qavg = 1620.0 cfs.
On August 11, 1989 the Eden -Mebane Bridge WWTP was placed on a moratorium for
failure to comply with the flow and TSS limitations as set forth in the permit.
Eden -Dry Creek WWTP discharges, downstream from Eden -Mebane Bridge WWTP, into
the Dan River. Stream classification at the point of discharge is also "C" waters.
Hydrologic characteristics at the discharge point are as follows: DA = 1730 sq.
miles; 7Q10 s 318.0 cfs and Qavg = 1644. 0 cfs.
The Winston-Salem Regional Office has indicated that violations of the flow
limitations, in both facilities, are mainly due to infiltration problems and
because the Eden -Dry Creek facility is used as a "diversion" for excess flow from
Eden -Mebane Bridge WWTP.
Ivsis and Discussi
The Eden -Mebane Bridge WWTP DMR's indicate that effluent flows above 7.0 MGD
and high BOD5 concentrations occur during periods of heavy precipitation, precisely
when the stream flow is above or at average condition providing a higher dilution
for the effluent (i.e. lower IWC). Also, the self -monitoring reports indicate
that, for the most part, this facility's effluent is well below the secondary
limitations contained in the NPDES permit even during periods of hydraulic over-
load. The self -monitoring data further indicates that the highest BOD5 monthly
average recorded during the last year was 14.47 mg/l. However, a BOD5 daily
maximum value of 136 mg/1 and a BOD5 weekly average of 60 mg/1 have been documented
in the DMR's during periods the plant has been hydraulically overloaded, justifying
a need for a BOD5 permit limit relaxation during the life of the Order.
The Eden -Dry Creek WWTP DMR's indicate that effluent flows above 0.5 MGD occur
during periods of heavy precipitation, precisely when the stream flow is above or
at average -condition, providing a higher dilution for the effluent (i.e. lower
IWC). Also, the self -monitoring reports indicate that, for the most part, this
facility's effluent is well below the secondary limitations contained in the NPDES
permit even during periods of hydraulic overload. The self -monitoring data further
indicates that the highest BODS monthly average recorded during the last year was
19.0 mg/l. However, a BOD5 daily maximum value of 34 mg/1 has been documented in
the DMR's during periods the plant has been hydraulically overloaded.
Although Technical Support does not usually performs instream assessments for
flow allocation above a WWTP design capacity, best professional judgement based on
the above considerations resulted in the following technical analysis:
Eden -Mebane Bridge WWTP
A level B analysis was performed using a wasteflow of 6.5066 MGD and the
suggested SOC limits of 40 mg/1 BOD5 and 10 mg/1 NH3-N. The DO concentration was
assumed 0.0 mg/1 at the effluent. This model predicted that the instream DO sag
(6.89 mg/1) occurs at milepoint 7.85.
A second run was performed using the post-SOC flow of 9.0 MGD, with all other
inputs constant. The results of the second model predicted the DO minimum (6.74
mg/1) to be also at milepoint 7.85.
Eden -Dry Creek WWTP
A level B analysis was performed using a wasteflow of 0.445 MGD. Technical
Support does not recommend that the effluent limits be relaxed during the SOC
interim period. Therefore, effluent concentrations of 30 mg/l BOD5 and 20 mg/1
NH3-N were used. This model predicted that the instream DO sag (6.77 mg/1) occurs
at milepoint 7.85.
A second run was performed using the post-SOC flow of 1.0 MGD, with all other
inputs constant. The results of the second model predicted the DO minimum (6.74
mg/1) to be also at milepoint 7.85.
Conclusion
In accordance with EMC criteria for judging instream impacts, the model results
demonstrate no significant depression of the instream DO level or extension of the
zone of impact when the wasteflow is increased at both facilities. However, the
additional flow is beyond the design capacity of existing treatment works at both
facilities. Therefore, the additional flow will continue to overload the treatment
works. Caution should be exercised by the Division in allocating additional
sources of industrial flow by allotting flow incrementally and by close oversight
of these source additions impacts on the ability of the facility to comply with
their whole effluent toxicity limit. Also, allocation of the additional industrial
flows should not impede Edenfs progress toward obtaining compliance with final
effluent color limits. Accordingly, the Winston-Salem Regional Office should
process the SOC contingent upon successful completion and approval of the pending
EA.
Attachments
cc: Steve Tedder
Kent Wiggins
David Foster
Doug Finan
Central Files
TABLE 1. Instream Assessment Summary for Eden -Mebane Bridge WWTP
Wastef low Assumptions -
Design Capacity 7.0000 MGD
Pre-JOC (09/88-08/89) 6.5066 MGD
Additional JOC Flow Requested +2.4934 MGD
9.0000 MGD
Maximum Allowable JOC Flow 9.0000 MGD
y ... • un- UPA
Headwater Conditions:
7010
313.0
cfs
Average Flow
1620.0
cfs
Design Temperature
25.0
C
CBOD
2.0
mg/l
NBOD
1.0
mg/l
DO
7.4
mg/l
Wastewater Inputs:
Flow See above
CBOD (2.0*recommended BODO 80.0 mg/l
NBOD (4.5*recommended NH3 -N) 45.0 mg/l
DO 0.0 mg/l
.. - • • Si -
Distance
DO min.
Net Change
< 5.0 mg/l Net
Change
(Mg/1)
(Mg/1)
(mi)
(Mi)
Pre-JOC 6.89
NA
0.0
NA
W/ Current Request 6.74
- 0.15
0.0
0.0
@ Maximum Allowable 6.74
- 0.15
0.0
0.0
TABLE 2. Instream Assessment Summary for Eden -Dry Creek WWTP
Wasteflow Assumptions
Design Capacity 0.5000 MGD
Pre-JOC (09/88-08/89) 0.4450 MGD
Additional JOC Flow Requested +0.5550 MGD
1.0000 MGD
Maximwn Allowable JOC Flow 1.0000 MGD
y ..51_ f .
Headwater Conditions:
7010
Average Flow
Design Temperature
CBOD
NBOD
DO
Wastewater Inputs:
318.0 cfs
1644.0 cfs
25.0 C
2.0 mg/l
1.0 mg/l
7.4 mg/l
Flow See above
CBOD (2.0*recommended BOD5) 60.0 mg/l
NBOD (4.5*recommended NH3-N) 90.0 mg/l
DO 0.0 mg/l
Model Output Summary
DO min.
(mg/1)
Pre-JOC 6.77
W/ Current Request 6.74
@ Maximum Allowable 6.74
Distance
Net Change < 5.0 mg/l Net Change
(mg/1) (M.) (Mi)
NA 0.0 NA
- 0.03 0.0 0.0
- 0.03 0.0 0.0
Facility Name - C �. w r'P w Permit # {� L 0 ( _.
w
ACUTE TOXICITY TESTING REQUIREMENT (QRTRLY)
Daphnid 48 hr - LC50
The permittee shall conduct acute toxicity tests on a Quarterly_ basis using protocols defined as
definitive in E.P.A. Document 600/4-85/013 entitled "The Acute Toxicity of Effluents to
Freshwater and Marine Organisms". The monitoring shall be performed as a Daphnia pulex or
Ceriodaphnia 48 hour static test, using effluent collected as a 24 hour composite. The LC50 of this
effluent using the previously stated methodology may at no time in any two consecutive toxicity
tests be less thanes%. Effluent samples for self -monitoring purposes must be obtained during
representative effluent discharge below all waste treatment. The t st will be performed jW9
-
t it from issuance of this =5 0:C during the months of o►ti 'J 1A f a� a
The parameter code for this test if using Daphnia ulex is TAA3D. The parameter code for this test
if using Ceriodaphnia is TAA3B. All toxicity testing results required as part of this permit
condition will be entered on the Effluent Discharge Monitoring Form (MR-1) for the month in
which it was performed, using the appropriate parameter code. Additionally, DEM Form AT-1
(original) is to be sent to the following address:
Attention: Technical Services Branch
North Carolina Division of
Environmental Management
P.O. Box 27687
Raleigh, N.C. 27611
Test data shall be .complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine"is employed for
disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly
monitoring will begin immediately until such time that a single test is passed. Upon passing, this
monthly test requirement will revert to quarterly in the months specified above.
Should any test data from either these monitoring requirements or tests performed by the North
Carolina Division of Environmental Management indicate potential impacts to the receiving stream,
this permit may be re -opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum
control organism survival and appropriate environmental controls, shall constitute an invalid test
and will require immediate retesting(within 30 days of initial monitoring event). Failure to submit
suitable test results will constitute noncompliance with monitoring requirements.
7Q10 312 -0 0 cfs
Permitted Flow t . 0 U MGD
IWC% O. `i
Basin & Sub -Basin O 10
Receivin tre x v -QA
_ County Ko vi aw n
Recommended by:
**Acute Toxicity(Daphnid 48 hr) LC50 q q %, 96K � h See Part 3 , Condition .
1 0e G
10/89
Facility Name e.�M �aNt VU UJ _T P Permit # WC OoLS 0-7L
CHRONIC TOXICITY TESTING REQUIREMENT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity in any two consecutive toxicity tests,
using test procedures outlined in:
A
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or
significant mortality is tI.3% (defined as treatment two in the North Carolina procedure
document). The permit holder sliall perform quarte-rly monitoring using this procedure to establish
compliance with the permit condition. The fir t tes will be performed after thirty days from
issuance of this -SO` &' during the months of w�l 0o. IL. Effluent
sampling for this testing shall be performed at the NP S permitted final effluent discharge below
all treatment processes. '
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter
code TGP3B. Additionally, DEM Form AT-1 (original) is to be sent to the following address:
Attention: Environmental Sciences Branch
North Carolina Division of
Environmental Management
P.O. Box 27687
Raleigh, N.C. 27611
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly
monitoring will begin immediately until such time that a single test is passed. Upon passing, this
monthly test requirement will revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Environmental Management indicate potential impacts to the receiving stream, this
permit may be re -opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum
control organism survival and appropriate environmental controls, shall constitute an invalid test
and will require immediate retesting(within 30 days of initial monitoring event). Failure to submit
suitable test results will constitute noncompliance with monitoring requirements.
7Q10 -2) 1 cfs
Permited Flow q MGD
IWC% ` . Z7
Basin & Sub -basin O o
Receivin tre V
County o
atg33% <-XP,
"Chronic Toxicity (Ceriodaphnia) P/F
Recommended by:
FJWI .
See Part, Condition _ .
r-
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1113/91
t
MODEL RESULTS
Discharger : CITY OF EDEN
Receiving Stream : DAN RIVER
---------------------------------------------
The End D.O. is 6.75 mg/l.
The End CBOD is 6.93 mg/l.
The End NBOD is 3.21 mg/l.
---------------------------------------------
SUMMER
30/30 DO=O MEBANE BRIDGE
7.0 MGD
WLA
WLA
WLA
DO Min
CBOD
NBOD
DO
Waste Flow
(mg/1) Milepoint Reach #
(mg/1)
(mg/1)
(mg/1)
(mgd)
Segment
----------------------
1 6.75 7.85 8
0 1"'*-
----
----
--
----------
Reach
1
"''
60.00
90.00
0.00
7.00000
Reach
2 Out J%wpn
0.00
0.00
0.00
0.00000
Reach
141.00
0.00
0.00
5.20000
Reach
4 r,���
276.00
0.00
0.00
0.50000
Reach
0.00
0.00
0.00
0.00000
Reach
6 CV ,
0.00
0.00
0.00
0.00000
Reach
7 )
45.00
90.00
0.00
0.50000
Reach
8 Cpzca
0.00
0.00
0.00
0.00000
u J
Nwd
QXr�-'
�9J , o 60
Ik�g`` 11
wU�
- C .-
�
*** MODEL SUMMARY DATA ***
Discharger : CITY OF EDEN
Receiving Stream : DAN RIVER
Summer 7Q10 : 313.0
Design Temperature: 25.0
Subbasin : 030203
Stream Class: C
Winter 7Q10 : 578.0
ILENGTHI
SLOPEI
VELOCITY
I DEPTHI Kd I
Kd
I Ka I
Ka I
KN I
--------------------------------------------------------------------------------
I mile I
ft/mil
fps
I ft
Idesignl
@201h
Idesignl
@20'h Idesignl
Segment
1
I I
1 1.401
I
2.301
0.908
I
1 4.88
I I
1 0.28 10.22
I I
1 2.05 1
I
1.841
I
0.44 1
Reach
--------------------------------------------------------------------------------
1
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.701
I
2.301
0.908
I
1 4.88
I I
1 0.28 1
0.22
I I
1 2.05 I
I
1.841
I
0.44 1
Reach
--------------------------------------------------------------------------------
2
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.301
I
2.301
0.926
I
1 4.90
I I
1 0.28 1
0.22
I I
1 2.09 1
I
1.871
I
0.44 1
Reach
--------------------------------------------------------------------------------
3
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.101
I
2.301
0.927
I
1 4.90
I I
10.28 10.22
I I
1 2.09 1
I
1.881
I
0.44 1
Reach
--------------------------------------------------------------------------------
4
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.801
I
2.301
0.928
I
1 4.91
I I
1 0.28 10.22
I I
1 2.09 1
I
1.881
I
0.44 1
Reach
--------------------------------------------------------------------------------
5
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 3.521
I
2.301
0.930
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.10 1
I
1.881
I
0.44 1
Reach
--------------------------------------------------------------------------------
6
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.031
I
2.301
0.932
I
1 4.92
I I
1 0.28 10.22
I I
1 2.10 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
7
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 1.101
I
2.301
0.931
I
1 4.95
I I
1 0.28 1
0.22
I I
1 2.10 I
I
1.881
I
0.44 1
Reach
--------------------------------------------------------------------------------
8
1 1
1
1
1 1
1 1
1
1
I Flow
i cfs
Segment 1
Reach 1
Waste
1 10.850
Headwaters1313.000
Tributary
( 0.000
* Runoff
I 0.420
I CBOD
i NBOD I
D.O. I
I mg/1
I mg/1 I
mg/l I
160.000
190.000 I
0.000
I 2.000
I 1.000 I
7.440
I 0.000
I 0.000 I
7.440
I 2.000
I 1.000 (
7.440
Segment 1 Reach 2
Waste 1 0.000 I 0.000 1 0.000 I 0.000
Tributary I 0.000 I 0.000 I 0.000 I 7.440
•< * Runoff I 0.420 I 2.000 I 1.000 I 7.440
Segment 1 Reach 3
Waste I 8.060 1141.000 I 0.000 I 0.000
Tributary I 0.000 I 0.000 l 0.000 I 7.440
* Runoff I 0.420 I 2.000 I 1.000 I' 7.440
Segment 1 Reach 4
Waste I 0.775 1276.000 I 0.000 I 0.000
Tributary I 0.000 I 0.000 I 0.000 I 7.440
* Runoff I 0.000 ( 0.000 I 0.000 I 7.440
Segment 1 Reach 5
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.900 I 2.000 I 1.000 ( 7.440
* Runoff I 2.630 I 2.000 I 1.000 I 7.440
Segment 1 Reach 6
Waste I 0.000 I 0.000 ( 0.000 ( 0.000
Tributary I 0.200 I 2.000 ( 1.000 I 7.440
* Runoff I 0.230 I 2.000 I 1.000 I 7.440
Segment 1 Reach 7
Waste I 0.775 145.000 190.000 I 0.000
Tributary I 0.000 I 0.000 I 0.000 I 7.440
* Runoff I 0.000 I 0.000 I 0.000 I 7.440
Segment 1 Reach 8
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 4.200 I 2.000 I 1.000 I 7.440
* Runoff I 0.184 I 2.000 I 1.000 I 7.440
* Runoff flow is in cfs/mile
SUMMER
30/30 DO=O MEBANE BRIDGE
7.0 MGD
I Seg #
I Reach #
I Seg Mi (
D.O. I
CBOD I
NBOD I
Flow I
1
1
0.00
7.19
3.94
3.98
323.85
1
1
0.10
7.19
3.94
3.97
323.89
1
1
0.20
7.18
3.93
3.96
323.93
1
1
0.30
7.18
3.92
3.95
323.98
1
1
0.40
7.17
3.91
3.93
324.02
1
1
0.50
7.17
3.91
3.92
324.06
1
1
0.60
7.17
3.90
3.91
324.10
1
1
0.70
7.16
3.89
3.90
324.14
1
1
0.80
7.16
3.88
3.89
324.19
1
1
0.90
7.16
3.88
3.87
324.23
1
1
1.00
7.15
3.87
3.86
324.27
1
1
1.10
7.15
3.86
3.85
324.31
1
1
1.20
7.15
3.85
3.84
324.35
1
1
1.30
7.14
3.85
3.83
324.40
1
1
1.40
7.14
3.84
3.81
324.44
1
2
1.40
7.14
3.84
3.81
324.44
1
2
1.50
7.14
3.83
3.80
324.48
1
2
1.60
7.13
3.82
3.79
324.52
1
2
1.70
7.13
3.82
3.78
324.56
1
2
1.80
7.13
3.81
3.77
324.61
1
2
1.90
7.13
3.80
3.76
324.65
1
2
2.00
7.12
3.80
3.75
324.69
1
2
2.10
7.12
3.79
3.73
324.73
1
3
2.10
6.95
7.11
3.64
332.79
1
3
2.20
6.94
7.10
3.63
332.83
1
3
2.30
6.94
7.08
3.62
332.88
1
3
2.40
6.93
7.07
3.61
332.92
1
4
2.40
6.92
7.70
3.60
333.69
1
4
2.50
6.91
7.68
3.59
333.69
1
5
2.50
6.91
7.67
3.58
334.59
1
5
2.60
6.91
7.65
3.57
334.86
1
5
2.70
6.90
7.63
3.56
335.12
1
5
2.80
6.90
7.61
3.55
335.38
1
5
2.90
6.89
7.59
3.54
335.64
1
5
3.00
6.89
7.57
3.52
335.91
1
5
3.10
6.88
7.56
3.51
336.17
1
5
3.20
6.88
7.54
3.50
336.43
1
5
3.30
6.88
7.52
3.49
336.70
1
6
3.28
6.88
7.52
3.49
336.90
1
6
3.38
6.87
7.50
3.48
336.92
1
6
3.48
6.87
7.49
3.46
336.94
1
6
3.58
6.86
7.48
3.45
336.97
1
6
3.68
6.86
7.46
3.44
336.99
1
6
3.78
6.85
7.45
3.43
337.01
1
6
3.88
6.85
7.43
3.42
337.03
1
6
3.98
6.85
7.42
3.41
337.06
1
6
4.08
6.84
7.41
3.40
337.08
1
6
4.18
6.84
7.39
3.39
337.10
1
6
4.28
6.84
7.38
3.38
337.13
1
6
4.38
6.83
7.37
3.37
337.15
1
6
4.48
6.83
7.35
3.36
337.17
1
6
4.58
6.83
7.34
3.35
337.20
1
6
4.68
6.82
7.32
3.34
337.22
1
6
4.78
6.82
7.31
3.33
337.24
1
6
4.88
6.82
7.30
3.32
337.26
1
6
4.98
6.81
7.28
3.32
337.29
0
i
1
6
5.08
6.81
7.27
3.31
337.31
.�
6
5.18
6.81
7.26
3.30
337.33
1
6
5.28
6.81
7.24
3.29
337.36
1
6
5.38
6.80
7.23
3.28
337.38
1
6
5.48
6.80
7.22
3.27
337.40
1
6
5.58
6.80
7.20
3.26
337.43
1
6
5.68
6.80
7.19
3.25
337.45
1
6
5.78
6.79
7.18
3.24
337.47
1
6
5.88
6.79
7.16
3.23
337.49
1
6
5.98
6.79
7.15
3.22
337.52
1
6
6.08
6.79
7.14
3.21
337.54
1
6
6.18
6.79
7.12
3.20
337.56
1
6
6.28
6.78
7.11
3.19
337.59
1
6
6.38
6.78
7.10
3.18
337.61
1
6
6.48
6.78
7.08
3.17
337.63
1
6
6.58
6.78
7.07
3.16
337.66
1
6
6.68
6.78
7.06
3.15
337.68
1
6
6.78
6.78
7.04
3.14
337.70
1
7
6.75
6.76
7.13
3.34
338.48
1
8
6.75
6.77
7.07
3.31
342.68
1
8
6.85
6.77
7.05
3.30
342.70
1
8
6.95
6.77
7.04
3.29
342.71
1
8
7.05
6.76
7.03
3.29
342.73
1
8
7.15
6.76
7.02
3.28
342.75
1
8
7.25
6.76
7.00
3.27
342.77
1
8
7.35
6.76
6.99
3.26
342.79
1
8
7.45
6.76
6.98
3.25
342.81
1
8
7.55
6.76
6.96
3.24
342.82
1
8
7.65
6.76
6.95
3.23
342.84
1
8
7.75
6.76
6.94
3.22
342.86
1
8
7.85
6.75
6.93
3.21
342.88
Seg #
I Reach #
I Seg Mi (
D.O. I
CBOD I
NBOD (
Flow I
Q 1 W o
SUMMER
30/30 DO=O MEBANE BRIDGE
9.0 MGD
---------- MODEL RESULTS ----------
Discharger : CITY OF EDEN
Receiving Stream : DAN RIVER
----------------------------------------------------------------------
The End D.O. is 6.61 mg/l.
The End CBOD is 7.33 mg/l.
The End NBOD is 3.83 mg/l.
----------------------------------------------------------------------
WLA
WLA
WLA
DO Min CBOD
NBOD
DO
Waste Flow
(mg/1) Milepoint Reach # (mg/1)
(mg/1)
(mg/1)
--
(mgd)
----------
Segment
1
---------------------- ----
6.61 7.85 8
----
Reach
1
60.00
90.00
0.00
9.00000
Reach
2
0.00
0.00
0.00
0.00000
Reach
3
141.00
0.00
0.00
5.20000
Reach
4
276.00
0.00
0.00
0.50000
Reach
5
0.00
0.00
0.00
0.00000
Reach
6
0.00
0.00
0.00
0.00000
Reach
7
45.00
90.00
0.00
0.50000
Reach
8
0.00
0.00
0.00
0.00000
t *** MODEL SUMMARY DATA ***
Discharger : CITY OF EDEN
Receiving Stream : DAN RIVER
Summer 7Q10 : 313.0
Design Temperature: 25.0
Subbasin : 030203
Stream Class: C
Winter 7Q10 : 578.0
(LENGTH)
SLOPEI
VELOCITY
I DEPTHI Kd I
Kd
I Ka I
Ka I
KN I
--------------------------------------------------------------------------------
I mile I
ft/mil
fps
I ft.
Idesignl
@20;1
Idesignl
@204 Idesignl
Segment
1
I I
1 1.401
I
2.301
0.914
I
1 4.88
I I
10.28 1
0.22
I I
1 2.06 I
I
1.851
I
0.44 1
Reach
--------------------------------------------------------------------------------
1
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.701
I
2.301
0.915
I
1 4.89
I I
1 0.28 10.22
I I
1 2.06 1
I
1.851
I
0.44 1
Reach
--------------------------------------------------------------------------------
2
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.301
I
2.301
0.932
I
1 4.90
I I
10.28 1
0.22
I I
1 2.10 I
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
3
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.101
I
2.301
0.934
I
1 4.90
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
4
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.801
I
2.301
0.934
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
5
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 3.521
I
2.301
0.936
I
1 4.92
I I
1 0.28 10.22
I I
1 2.11 1
I
1.891
I
0.44 I
Reach
--------------------------------------------------------------------------------
6
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.031
I
2.301
0.938
I
1 4.93
I I
1 0.28 10.22
I I
1 2.12 1
I
1.901
I
0.44 1
Reach
--------------------------------------------------------------------------------
7
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 1.101
I
2.301
0.937
I
1 4.96
I I
1 0.28 10.22
I I
1 2.12 1
I
1.901
I
0.44 1
Reach
--------------------------------------------------------------------------------
8
1 1
1
1
1 1
1 1
1
1
Flow
1 cfs
Segment 1
Reach 1
Waste
1 13.950
Headwaters1313.000
Tributary
I 0.000
* Runoff
l 0.420
1 CBOD
1 NBOD I
D.O. I
I mg/1
I mg/l (
mg/l I
160.000
190.000 I
0.000
I 2.000
1 1.000 I
7.440
0.000
l 0.000 I
7.440
I 2.000
l 1.000 l
7.440
Segment 1 Reach 2
Waste 1 0.000 1 0.000 1 0.000 1 0.000
Tributary 1 0.000 1 0.000 1 0.000 I 7.440
f
* Runoff I 0.420 I 2.000 1 1.000 I 7.440
Segment 1 Reach 3
Waste 1 8.060 1141.000 1 0.000 1 0.000
Tributary 1 0.000 ► 0.000 1 0.000 I 7.440
* Runoff 1 0.420 1 2.000 1 1.000 I 7.440
Segment 1 Reach 4
Waste 1 0.775 1276.000 1 0.000 1 0.000
Tributary 1 0.000 1 0.000 1 0.000 1 7.440
* Runoff 1 0.000 1 0.000 1 0.000 I 7.440
Segment 1 Reach 5
Waste I 0.000 I 0.000 1 0.000 1 0.000
Tributary 1 0.900 1 2.000 1 1.000 1 7.440
* Runoff I 2.630 ( 2.000 1 1.000 I 7.440
Segment 1 Reach 6
Waste 1 0.000 1 0.000 I 0.000 I 0.000
Tributary 1 0.200 1 2.000 1 1.000 I 7.440
* Runoff 1 0.230 1 2.000 1 1.000 I 7.440
Segment 1 Reach 7
Waste 1 0.775 145.000 1 90.000 i 0.000
Tributary 1 0.000 1 0.000 1 0.000 1 7.440
* Runoff 1 0.000 ( 0.000 1 0.000 1 7.440
Segment 1 Reach 8
Waste 1 0.000 1 0.000 1 0.000 I 0.000
Tributary 1 4.200 1 2.000 1 1.000 1 7.440
* Runoff 1 0.184 1 2.000 1 1.000 I 7.440
* Runoff flow is in cfs/mile
•
SUMMER
.,
30/30 DO=O MEBANE BRIDGE
'
9.0 MGD
Seg #
I Reach # I
Seg Mi I
D.O. I
CBOD I
NBOD (
Flow I
1
1
0.00
7.12
4.47
4.80
326.95
1
1
0.10
7.12
4.47
4.78
326.99
1
1
0.20
7.11
4.46
4.77
327.03
1
1
0.30
7.10
4.45
4.75
327.08
1
1
0.40
7.10
4.44
4.74
327.12
1
1
0.50
7.09
4.43
4.72
327.16
1
1
0.60
7.09
4.42
4.71
327.20
1
1
0.70
7.08
4.42
4.70
327.24
1
1
0.80
7.07
4.41
4.68
327.29
1
1
0.90
7.07
4.40
4.67
327.33
1
1
1.00
7.06
4.39
4.65
327.37
1
1
1.10
7.06
4.38
4.64
327.41
1
1
1.20
7.05
4.37
4.63
327.45
1
1
1.30
7.05
4.36
4.61
327.50
1
1
1.40
7.04
4.36
4.60
327.54
1
2
1.40
7.04
4.36
4.60
327.54
1
2
1.50
7.04
4.35
4.58
327.58
1
2
1.60
7.03
4.34
4.57
327.62
1
2
1.70
7.03
4.33
4.56
327.66
1
2
1.80
7.03
4.32
4.54
327.71
1
2
1.90
7.02
4.32
4.53
327.75
1
2
2.00
7.02
4.31
4.51
327.79
1
2
2.10
7.01
4.30
4.50
327.83
1
3
2.10
6.85
7.58
4.39
335.89
1
3
2.20
6.84
7.56
4.38
335.93
1
3
2.30
6.83
7.55
4.37
335.98
1
3
2.40
6.83
7.54
4.35
336.02
1
4
2.40
6.81
8.15
4.34
336.79
1
4
2.50
6.80
8.14
4.33
336.79
1
5
2.50
6.80
8.12
4.32
337.69
1
5
2.60
6.80
8.10
4.31
337.96
1
5
2.70
6.79
8.08
4.29
338.22
1
5
2.80
6.79
8.06
4.28
338.48
1
5
2.90
6.78
8.05
4.26
338.74
1
5
3.00
6.77
8.03
4.25
339.01
1
5
3.10
6.77
8.01
4.23
339.27
1
5
3.20
6.76
7.99
4.22
339.53
1
5
3.30
6.76
7.97
4.20
339.80
1
6
3.28
6.76
7.97
4.20
340.00
1
6
3.38
6.75
7.95
4.19
340.02
1
6
3.48
6.75
7.94
4.18
340.04
1
6
3.58
6.74
7.92
4.16
340.07
1
6
3.68
6.74
7.91
4.15
340.09
1
6
3.78
6.73
7.89
4.14
340.11
1
6
3.88
6.73
7.88
4.13
340.13
1
6
3.98
6.72
7.86
4.12
340.16
1
6
4.08
6.72
7.85
4.10
340.18
1
6
4.18
6.71
7.83
4.09
340.20
1
6
4.28
6.71
7.82
4.08
340.23
1
6
4.38
6.70
7.81
4.07
340.25
1
6
4.48
6.70
7.79
4.06
340.27
1
6
4.58
6.70
7.78
4.04
340.30
1
6
4.68
6.69
7.76
4.03
340.32
1
6
4.78
6.69
7.75
4.02
340.34
1
6
4.88
6.68
7.73
4.01
340.36
1
6
4.98
6.68
7.72
4.00
340.39
•1
6
5.08
6.68
7.70
3.99
340.41
6
5.18
6.67
7.69
3.97
340.43
1
6
5.28
6.67
7.68
3.96
340.46
1
6
5.38
6.67
7.66
3.95
340.48
1
6
5.48
6.66
7.65
3.94
340.50
1
6
5.58
6.66
7.63
3.93
340.53
1
6
5.68
6.66
7.62
3.92
340.55
1
6
5.78
6.66
7.61
3.90
340.57
1
6
5.88
6.65
7.59
3.89
340.59
1
6
5.98
6.65
7.58
3.88
340.62
1
6
6.08
6.65
7.56
3.87
340.64
1
6
6.18
6.65
7.55
3.86
340.66
1
6
6.28
6.64
7.54
3.85
340.69
1
6
6.38
6.64
7.52
3.84
340.71
1
6
6.48
6.64
7.51
3.83
340.73
1
6
6.58
6.64
7.49
3.81
340.76
1
6
6.68
6.63
7.48
3.80
340.78
1
6
6.78
6.63
7.47
3.79
340.80
1
7
6.75
6.62
7.55
3.99
341.58
1
8
6.75
6.63
7.48
3.95
345.78
1
8
6.85
6.63
7.47
3.94
345.80
1
8
6.95
6.62
7.46
3.93
345.81
1
8
7.05
6.62
7.44
3.92
345.83
1
8
7.15
6.62
7.43
3.91
345.85
1
8
7.25
6.62
7.42
3.89
345.87
1
8
7.35
6.62
7.40
3.88
345.89
1
8
7.45
6.61
7.39
3.87
345.91
1
8
7.55
6.61
7.38
3.86
345.92
1
8
7.65
6.61
7.36
3.85
345.94
1
8
7.75
6.61
7.35
3.84
345.96
1
8
7.85
6.61
7.33
3.83
345.98
Seg #
I Reach #
I Seg Mi I
D.O1
CBOD I
NBOD
Flow I
SUMMER
30/30
DO=O
MEBANE BRIDGE
'
13.5
MGD
---------- MODEL
RESULTS ----------
Discharger
CITY OF EDEN
Receiving Stream :
DAN RIVER
----------------------------------------------------------------------
The End
D.O.
is 6.29
mg/l.
The End
CBOD
is 8.23
mg/l.
The End
----------------------------------------------------------------------
NBOD
is 5.18
mg/l.
WLA
WLA
WLA
DO Min
CBOD
NBOD
DO
Waste Flow
(mg/1)
Milepoint Reach
# (mg/ 1)
(mg/ 1)
(mg/ 1)
--
(mgd)
----------
Segment
1
------
6.29
----------------
7.85 8
----
----
Reach
1
60.00
90.00
0.00
13.50000
Reach
2
0.00
0.00
0.00
0.00000
Reach
3
141.00
0.00
0.00
5.20000
Reach
4
276.00
0.00
0.00
0.50000
Reach
5
0.00
0.00
0.00
0.00000
Reach
6
0.00
0.00
0.00
0.00000
Reach
7
45.00
90.00
0.00
0.50000
Reach
8
0.00
0.00
0.00
0.00000
S ,
C
• f
• t
t t
*** MODEL SUMMARY DATA ***
Discharger
Receiving Stream
Summer 7Q10
Design Temperature:
CITY OF EDEN Subbasin : 030203
DAN RIVER Stream Class: C
313.0 Winter 7Q10 : 578.0
25.0
ILENGTHI
SLOPEI
VELOCITY
I DEPTHI Kd I
Kd
I Ka I
Ka I
KN I
--------------------------------------------------------------------------------
I mile I
ft/mil
fps
I ft.
Idesignl
@20;fi
Idesignl
@20% Idesignl
Segment
1
I I
1 1.401
I
2.301
0.929
I
1 4.90
I I
1 0.28 1
0.22
I I
1 2.10 1
I
1.881
I
0.44 1
Reach
--------------------------------------------------------------------------------
1
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.701
2.301
0.930
I
1 4.90
I I
1 0.28 1
0.22
I I
1 2.10 1
I
1.881
I
0.44 1
Reach
--------------------------------------------------------------------------------
2
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.301
I
2.301
0.947
I
1 4.91
I I
1 0.28 10.22
I I
1 2.14 1
I
1.921
I
0.44 1
Reach
--------------------------------------------------------------------------------
3
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.101
I
2.301
0.948
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.14 1
I
1.921
I
0.44 1
Reach
--------------------------------------------------------------------------------
4
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.801
I
2.301
0.949
I
1 4.93
I I
10.28 1
0.22
I I
1 2.14 1
I
1.921
I
0.44 1
Reach
--------------------------------------------------------------------------------
5
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 3.521
I
2.301
0.950
I
1 4.94
I I
1 0.28 1
0.22
I I
1 2.14 1
I
1.921
I
0.44 1
Reach
--------------------------------------------------------------------------------
6
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.031
I
2.301
0.952
I
1 4.94
I I
1 0.28 1
0.22
I I
1 2.15 1
I
1.931
I
0.44 1
Reach
--------------------------------------------------------------------------------
7
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 1.101
I
2.301
0.952
I
1 4.97
I I
1 0.28 1
0.22
I I
1 2.15 I
I
1.931
I
0.44 1
Reach
--------------------------------------------------------------------------------
8
1 1
1
1
1 1
1 1
1
1
I Flow
I cfs
Segment 1
Reach 1
Waste
1 20.925
Headwaters1313.000
Tributary
1 0.000
* Runoff
1 0.420
I CBOD I
NBOD (
D.O. I
I mg/l I
mg/1 I
mg/l I
160.000 i
90.000 I
0.000
I 2.000 I
1.000 I
7.440
I 0.000 I
0.000 I
7.440
I 2.000 I
1.000 I
7.440
Segment 1 Reach 2
Waste 1 0.000 I 0.000 1 0.000 I 0.000
i Tributary I 0.000 I 0.000 I 0.000 I 7.440
•t * Runoff I 0.420 I 2.000 I 1.000 I 7.440
Segment 1 Reach 3
Waste I 8.060 1141.000 1 0.000 1 0.000
Tributary ( 0.000 1 0.000 1 0.000 ( 7.440
* Runoff I 0.420 I 2.000 I 1.000 ( 7.440
Segment 1 Reach 4
Waste I 0.775 1276.000 1 0.000 1 0.000
Tributary I 0.000 I 0.000 I 0.000 I 7.440
* Runoff ( 0.000 1 0.000 I 0.000 1 7.440
Segment 1 Reach 5
Waste I 0.000 1 0.000 1 0.000 I 0.000
Tributary I 0.900 1 2.000 I 1.000 I 7.440
* Runoff I 2.630 ( 2.000 I 1.000 I 7.440
Segment 1 Reach 6
Waste ( 0.000 ( 0.000 1 0.000 I 0.000
Tributary I 0.200 1 2.000 1 1.000 I 7.440
* Runoff I 0.230 1 2.000 1 1.000 1 7.440
Segment 1 Reach 7
Waste I 0.775 1 45.000 190.000 I 0.000
Tributary 1 0.000 I 0.000 1 0.000 1 7.440
* Runoff I 0.000 I 0.000 1 0.000 1 7.440
Segment 1 Reach 8
Waste I 0.000 I 0.000 I 0.000 1 0.000
Tributary I 4.200 1 2.000 I 1.000 I 7.440
* Runoff 1 0.184 1 2.000 I 1.000 1 7.440
* Runoff flow is in cfs/mile
\I • f
t
SUMMER
,' • •
30/30
DO=O MEBANE BRIDGE
13.5
MGD
I Seg #
I Reach #
I Seg Mi I
D.O. I
CBOD I
NBOD
I Flow
1
1
0.00
6.97
5.63
6.58
333.93
1
1
0.10
6.96
5.62
6.56
333.97
1
1
0.20
6.95
5.61
6.54
334.01
1
1
0.30
6.94
5.60
6.52
334.05
1
1
0.40
6.93
5.59
6.50
334.09
1
1
0.50
6.92
5.58
6.48
334.13
1
1
0.60
6.91
5.57
6.46
334.18
1
1
0.70
6.90
5.56
6.44
334.22
1
1
0.80
6.89
5.55
6.42
334.26
1
1
0.90
6.88
5.54
6.40
334.30
1
1
1.00
6.87
5.53
6.38
334.34
1
1
1.10
6.86
5.52
6.36
334.39
1
1
1.20
6.85
5.51
6.34
334.43
1
1
1.30
6.84
5.50
6.32
334.47
1
1
1.40
6.83
5.49
6.31
334.51
1
2
1.40
6.83
5.49
6.31
334.51
1
2
1.50
6.83
5.48
6.29
334.55
1
2
1.60
6.82
5.47
6.27
334.60
1
2
1.70
6.81
5.46
6.25
334.64
1
2
1.80
6.80
5.45
6.23
334.68
1
2
1.90
6.79
5.44
6.21
334.72
1
2
2.00
6.79
5.43
6.19
334.76
1
2
2.10
6.78
5.41
6.17
334.81
1
3
2.10
6.62
8.60
6.03
342.87
1
3
2.20
6.61
8.59
6.01
342.91
1
3
2.30
6.60
8.57
5.99
342.95
1
3
2.40
6.59
8.55
5.98
342.99
1
4
2.40
6.58
9.16
5.96
343.77
1
4
2.50
6.57
9.14
5.95
343.77
1
5
2.50
6.57
9.12
5.93
344.67
1
5
2.60
6.56
9.10
5.91
344.93
1
5
2.70
6.55
9.08
5.89
345.19
1
5
2.80
6.54
9.06
5.87
345.46
1
5
2.90
6.54
9.04
5.85
345.72
1
5
3.00
6.53
9.01
5.83
345.98
1
5
3.10
6.52
8.99
5.81
346.25
1
5
3.20
6.51
8.97
5.79
346.51
1
5
3.30
6.50
8.95
5.77
346.77
1
6
3.28
6.50
8.95
5.77
346.97
1
6
3.38
6.50
8.93
5.75
346.99
1
6
3.48
6.49
8.91
5.73
347.02
1
6
3.58
6.48
8.90
5.72
347.04
1
6
3.68
6.47
8.88
5.70
347.06
1
6
3.78
6.47
8.87
5.69
347.09
1
6
3.88
6.46
8.85
5.67
347.11
1
6
3.98
6.45
8.83
5.65
347.13
1
6
4.08
6.45
8.82
5.64
347.16
1
6
4.18
6.44
8.80
5.62
347.18
1
6
4.28
6.43
8.78
5.60
347.20
1
6
4.38
6.43
8.77
5.59
347.22
1
6
4.48
6.42
8.75
5.57
347.25
1
6
4.58
6.42
8.74
5.56
347.27
1
6
4.68
6.41
8.72
5.54
347.29
1
6
4.78
6.40
8.71
5.52
347.32
1
6
4.88
6.40
8.69
5.51
347.34
1
6
4.98
6.39
8.67
5.49
347.36
6
5.08
6.39
8.66
5.48
347.39
' •.<1
6
5.18
6.38
8.64
5.46
347.41
1
6
5.28
6.38
8.63
5.44
347.43
1
6
5.38
6.37
8.61
5.43
347.45
1
6
5.48
6.37
8.59
5.41
347.48
1
6
5.58
6.37
8.58
5.40
347.50
1
6
5.68
6.36
8.56
5.38
347.52
1
6
5.78
6.36
8.55
5.37
347.55
1
6
5.88
6.35
8.53
5.35
347.57
1
6
5.98
6.35
8.52
5.34
347.59
1
6
6.08
6.35
8.50
5.32
347.62
1
6
6.18
6.34
8.49
5.30
347.64
1
6
6.28
6.34
8.47
5.29
347.66
1
6
6.38
6.34
8.45
5.27
347.68
1
6
6.48
6.33
8.44
5.26
347.71
1
6
6.58
6.33
8.42
5.24
347.73
1
6
6.68
6.33
8.41
5.23
347.75
1
6
6.78
6.32
8.39
5.21
347.78
1
7
6.75
6.31
8.47
5.40
348.55
1
8
6.75
6.32
8.40
5.35
352.75
1
8
6.85
6.32
8.38
5.33
352.77
1
8
6.95
6.32
8.37
5.32
352.79
1
8
7.05
6.31
8.35
5.30
352.81
1
8
7.15
6.31
8.34
5.29
352.83
1
8
7.25
6.31
8.32
5.27
352.84
1
8
7.35
6.30
8.31
5.26
352.86
1
8
7.45
6.30
8.29
5.24
352.88
1
8
7.55
6.30
8.28
5.23
352.90
1
8
7.65
6.30
8.26
5.21
352.92
1
8
7.75
6.30
8.25
5.20
352.94
1
8
7.85
6.29
8.23
5.18
352.95
I Seg #
I Reach # (
Seg Mi I
D.O. I
CBOD I
NBOD I
Flow I
cc: Tech. Services (Marcia Toler-McCullen)
Permits and Engineering
County Health Dept.
Central Files
WSRO
Date October 13, 1989
NPDES STAFF REPORT AND RECOMMENDATIONS
County Rockingham
NPDES Permit No. NCO025071
PART I - GENERAL
1. Facility and Address:
Eden -Mebane Bridge WWTP
Mebane Bridge Road Off NC 14
Eden, NC
2. Date of Investigation: October 10.1;
3. Report Prepared by: Jeff Fritts
OCT 1 71989,
1989 V nt SUP;'ORy ;;RANCH
4. Persons Contacted and Telephone Number:
Dennis G. Asbury, Director of Public Utilities
(919) 627-1009
5. Directions to Site:
From WSRO take US 158 E. to NC 14 N. in Reidsville,
cross Dan River, take next left (Mebane Bridge Rd.)
WWTP on left.
6. Discharge Point - Latitude: 360 28' 38"
Longitude: 790 44' 21"
Attach a USGS Map Extract and indicated treatment plant
site and discharge point on map.
USGS Quad No. B20NW or USGS Quad Name Southeast
Eden
7. Size (land available for expansion and upgrading):
61.20 acres. Plenty of room for upgrade and expansion.
8. Topography (relationship to flood plain included):
Approximately 800 ft. from the river, 20-30 ft above
the river banks, with about a 3% slope.
9. Location of nearest dwelling:
None known within 1000 ft. of the plant.
• f ,
10. Receiving stream or affected surface waters: Dan River
a. Classification: C
b. River Basin and Subbasin No.: Roanoke 03-02-03
c. Describe receiving stream features and pertinent
downstream uses: Many downstream uses: municipal
and textile WWTP discharges, Power Plant steam
turbine condensing water, etc.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. Type of wastewater: 44% Domestic
56% Industrial
a. Volume of Wastewater: 7.0 MGD
b. Types and quantities of industrial wastewater:
Textile 3.552 MGD
Truck Wash 0.004 MGD
Groundwater 0.010 MGD
c. Prevalent toxic constituents in wastewater:
Unknown
d. Pretreatment Program (POTWs only)
in development approved X
should be required not needed
2. Production rates (industrial discharges only) in pounds
a. highest month in the last 12 months
b. highest year in last 5 years
3. Description of industrial process (for industries only)
and applicable CFR Part and Subpart:
4. Type of treatment (specify whether proposed or
existing):
Existing: Barscreen, grit separator, biological
treatment using extended aeration, secondary
clarification, chlorine disinfection
5. Sludge handling and disposal scheme:
Waste Activated sludge is aerobically digested, stored
in sludge holding lagoon and land applied at agronomic
rates.
6. Treatment plant classification: IV
7. SIC Code(s) 4952
Wastewater Code(s) 01 55 61 78
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction
Grants Funds (municipals only)? N/A
2. Special monitoring requests:
3. Additional effluent limits requests: Standard effluent
toxicity testing
4. Other:
PART IV - EVALUATION AND RECOMMENDATIONS
The City has requested SOC due to flow and TSS
violations. The City is planning to expand from 7.0 MGD to
9.0 MGD and eventually to 13.5 MGD.
The City has twelve employees at the Mebane Bridge
WWTP. One operator is on duty until 11:00 p.m. and the
plant is virtually unattended until 8:00 a.m. Twenty-four
hour monitoring (at least cursory) should be addressed,
especially after expansion.
The WSRO recommends renewal of the permit with the
requested modifications.
ffWatt(re of report preparer
Water Quality Supervi r
i
. •f4i3ter Tank
H8 6 �DFN �� rnnn xs p I, I I „x,
C)'-
/ t i t i_ _�5 �1 �� �\
/ I I, Ind ShIBI Wa a Ponds
�tSewage 6
J4!
KM 5 a sDSpos.l
• VPin enter ❑ly
t-7
Po.erploJ�
.r (-
o-/Debar, e�
J ;0
Go0`Course
Sewa�e' I
, � DISPosBI
pDEs lo\/oMachi
// C0 O 2-5- Cl 7/ p
OC
v 0
664
U U.
C,
SUMMER
' `• ''
4 0 / 10 AVE.
FLOW
DRY
CK DWNSTRM/1
MGD
----------
MODEL RESULTS ----------
Discharger
:
CITY OF EDEN
Receiving Stream :
DAN RIVER
----------------------------------------------------------------------
The End
D.O.
is 6.89
mg/l.
The End
CBOD
is 7.42
mg/l.
The End
----------------------------------------------------------------------
NBOD
is 2.19
mg/l.
WLA
WLA
WLA
DO Min
CBOD
NBOD
DO
Waste Flow
(mg/1)
Milepoint
Reach # (mg/1)
(mg/1)
----
(mg/1)
--
(mgd)
----------
Segment
1
------
6.89
---------
7.85
------- ----
8
Reach
1
80.00
45.00
0.00
6.50060
Reach
2
0.00
0.00
0.00
0.00000
Reach
3
141.00
0.00
0.00
5.20000
Reach
4
276.00
0.00
0.00
0.50000
Reach
5
0.00
0.00
0.00
0.00000
Reach
6
0.00
0.00
0.00
0.00000
Reach
7
45.00
90.00
0.00
1.00000
Reach
8
0.00
0.00
0.00
0.00000
*** MODEL SUMMARY DATA ***
4
Discharger
:
CITY OF
EDEN
Subbasin :
030203
Receiving Stream :
DAN RIVER
Stream
Class:
C
Summer 7Q10
:
313.0
Winter
7Q10
: 578.0
Design Temperature:
25.0
ILENGTHI
SLOPEI
VELOCITY
I DEPTHI Kd I
Kd
I Ka I
Ka I
KN I
--------------------------------------------------------------------------------
I mile I
ft/mil
fps
I ft
Idesignl
@204
Idesignl
@20% Idesignl
Segment 1
I I
1 1.401
I
2.301
0.906
I
1 4.88
I I
1 0.28 1
0.22
I I
1 2.04 1
I
1.831
I
0.44 1
Reach 1
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.701
I
2.301
0.907
I
1 4.88
I I
1 0.28 1
0.22
I I
1 2.05 1
I
1.841
I
0.44 1
Reach 2
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.301
I
2.301
0.924
I
1 4.89
I I
1 0.28 1
0.22
I I
1 2.09 1
I
1.871
I
0.44 1
Reach 3
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.101
I
2.301
0.926
I
1 4.90
I I
10.28 1
0.22
I I
1 2.09 1
I
1.871
I
0.44 1
Reach 4
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.801
I
2.301
0.926
I
1 4.91
I I
1 0.28 1
0.22
I I
1 2.09 1
I
1.871
I
0.44 1
Reach 5
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 3.521
I
2.301
0.928
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.09 1
I
1.881
I
0.44 1
Reach 6
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.031
I
2.301
0.932
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.10 1
I
1.891
I
0.44 1
Reach 7
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 1.101
I
2.301
0.931
I
1 4.95
I I
1 0.28 1
0.22
I I
1 2.10 1
I
1.881
I
0.44 1
Reach 8
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
1 Flow
I cfs
Segment 1
Reach 1
Waste
1 10.076
Headwaters1313.000
Tributary
1 0.000
* Runoff
1 0.420
Segment 1 Reach 2
Waste 1 0.000 I
CBOD I
NBOD I
D.O. I
mg/1 I
mg/l I
mg/1 1
80.000 1
45.000 1
0.000
2.000 1
1.000 1
7.440
0.000 I
0.000 I
7.440
2.000 1
1.000 1
7.440
0.000 1 0.000 1 0.000
Tributary I 0.000 I 0.000 I 0.000 1 7.440
' * Runoff I 0.420 1 2.000 I 1.000 1 7.440
Segment 1 Reach 3
Waste I 8.060 1141.000 I 0.000 1 0.000
Tributary I 0.000 I 0.000 I 0.000 I 7.440
* Runoff I 0.420 1 2.000.1 1.000 I 7.440
Segment 1 Reach 4
Waste i 0.775 1276.000 I 0.000 ( 0.000
Tributary 1 0.000 1 0.000 I 0.000 1 7.440
* Runoff I 0.000 I 0.000 1 0.000 1 7.440
Segment 1 Reach 5
Waste 1 0.000 1 0.000 1 0.000 I 0.000
Tributary I 0.900 I 2.000 I 1.000 I 7.440
* Runoff I 2.630 I 2.000 1 1.000 I 7.440
Segment 1 Reach 6
Waste J 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.200 I 2.000 I 1.000 1 7.440
* Runoff 1 '0.230 I 2.000 I 1.000 1 7.440
Segment 1 Reach 7
Waste 1 1.550 145.000 1 90.000 J 0.000
Tributary 1 0.000 I 0.000 I 0.000 1 7.440
* Runoff I 0.000 1 0.000 I 0.000 1 7.440
Segment 1 Reach 8
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 4.200 I 2.000 1 1.000 I 7.440
* Runoff i 0.184 I 2.000 I 1.000 1 7.440
* Runoff flow is in cfs/mile
,•
SUMMER
40/10
AVE. FLOW
DRY CK DWNSTRM/1 MGD
Seg #
I Reach #
I Seg Mi I
D.O. I
CBOD I
NBOD
I Flow I
1
1
0.00
7.21
4.43
2.37
323.08
1
1
0.10
7.21
4.42
2.37
323.12
1
1
0.20
7.21
4.42
2.36
323.16
1
1
0.30
7.21
4.41
2.35
323.20
1
1
0.40
7.21
4.40
2.34
323.24
1
1
0.50
7.20
4.39
2.34
323.29
1
1
0.60
7.20
4.38
2.33
323.33
1
1
0.70
7.20
4.37
2.32
323.37
1
1
0.80
7.20
4.36
2.32
323.41
1
1
0.90
7.20
4.36
2.31
323.45
1
1
1.00
7.20
4.35
2.30
323.50
1
1
1.10
7.20
4.34
2.29
323.54
1
1
1.20
7.20
4.33
2.29
323.58
1
1
1.30
7.20*
4.32
2.28
323.62
1
1
1.40
7.20
4.31
2.27
323.66
1
2
1.40
7.20
4.31
2.27
323.66
1
2
1.50
7.20
4.31
2.27
323.71
1
2
1.60
7.20
4.30
2.26
323.75
1
2
1.70
7.20
4.29
2.25
323.79
1
2
1.80
7.20
4.28
2.25
323.83
1
2
1.90
7.20
4.27
2.24
323.87
1
2
2.00
7.20
4.27
2.23
323.92
1
2
2.10
7.20
4.26
2.23
323.96
1
3
2.10
7.03
7.58
2.17
332.02
1
3
2.20
7.02
7.56
2.16
332.06
1
3
2.30
7.02
7.55
2.16
332.10
1
3
2.40
7.02
7.53
2.15
332.14
1
4
2.40
7.00
8.16
2.15
332.92
1
4
2.50
7.00
8.14
2.14
332.92
1
5
2.50
7.00
8.13
2.14
333.82
1
5
2.60
7.00
8.11
2.13
334.08
1
5
2.70
6.99
8.09
2.12
334.34
1
5
2.80
6.99
8.07
2.12
334.61
1
5
2.90
6.99
8.05
2.11
334.87
1
5
3.00
6.98
8.03
2.10
335.13
1
5
3.10
6.98
8.01
2.10
335.40
1
5
3.20
6.98
7.99
2.09
335.66
1
5
3.30
6.98
7.97
2.08
335.92
1
6
3.28
6.98
7.97
2.08
336.12
1
6
3.38
6.97
7.95
2.07
336.15
1
6
3.48
6.97
7.94
2.07
336.17
1
6
3.58
6.97
7.92
2.06
336.19
1
6
3.68
6.97
7.91
2.06
336.21
1
6
3.78
6.96
7.89
2.05
336.24
1
6
3.88
6.96
7.88
2.04
336.26
1
6
3.98
6.96
7.86
2.04
336.28
1
6
4.08
6.96
7.85
2.03
336.31
1
6
4.18
6.96
7.84
2.03
336.33
1
6
4.28
6.95
7.82
2.02
336.35
1
6
4.38
6.95
7.81
2.01
336.38
1
6
4.48
6.95
7.79
2.01
336.40
1
6
4.58
6.95
7.78
2.00
336.42
1
6
4.68
6.95
7.76
2.00
336.44
1
6
4.78
6.94
7.75
1.99
336.47
1
6
4.88
6.94
7.73
1.99
336.49
1
6
4.98
6.94
7.72
1.98
336.51
6
5.08
6.94
7.71
1.97
336.54
9.01
6
5.18
6.94
7.69
1.97
336.56
1
6
5.28
6.94
7.68
1.96
336.58
1
6
5.38
6.94
7.66
1.96
336.61
1
6
5.48
6.93
7.65
1.95
336.63
1
6
5.58
6.93
7.63
1.94
336.65
1
6
5.68
6.93
7.62
1.94
336.67
1
6
5.78
6.93
7.61
1.93
336.70
1
6
5.88
6.93
7.59
1.93
336.72
1
6
5.98
6.93
7.58
1.92
336.74
1
6
6.08
6.93
7.56
1.92
336.77
1
6
6.18
6.93
7.55
1.91
336.79
1
6
6.28
6.93
7.53
1.91
336.81
1
6
6.38
6.93
7.52
1.90
336.84
1
6
6.48
,6.92
7.51
1.89
336.86
1
6
6.58
6.92
7.49
1.89
336.88
1
6
6.68
6.92
7.48
1.88
336.90
1
6
6.78
6.92
7.47
1.88
336.93
1
7
6.75
6.89
7.64
2.28
338.48
1
8
6.75
6.90
7.57
2.27
342.68
1
8
6.85
6.90
7.55
2.26
342.70
1
8
6.95
6.90
7.54
2.25
342.71
1
8
7.05
6.89
7.53
2.25
342.73
1
8
7.15
6.89
7.51
2.24
342.75
1
8
7.25
6.89
7.50
2.23
342.77
1
8
7.35
6.89
7.48
2.23
342.79
1
8
7.45
6.89
7.47
2.22
342.81
1
8
7.55
6.89
7.46
2.21
342.83
1
8
7.65
6.89
7.44
2.21
342.84
1
8
7.75
6.89
7.43
2.20
342.86
1
8
7.85
6.89
7.42
2.19
342.88
I Seg # I
Reach #
I Seg Mi I
D.O. I
CBOD I
NBOD I
Flow I
A1. � e-.,m t CA r4c, J-1 # '?
9-AU-3s c lb oiD 0
cm.),x
SUMMER
40/10 FLOW=9
MGD (POST-SOC)
DRY
CK DWNSTRM/1 MGD
----------
MODEL RESULTS ----------
Discharger
:
CITY OF EDEN
Receiving Stream :
DAN RIVER
----------------------------------------------------------------------
The End
D.O.
is 6.74
mg/l.
The End
CBOD
is 8.11
mg/l.
The End
----------------------------------------------------------------------
NBOD
is 2.57
mg/l.
WLA
WLA
WLA
DO Min
CBOD
NBOD
DO Waste Flow
(mg/1)
Milepoint
Reach # (mg/1)
(mg/1)
----
(mg/1)
-- ----------
(mgd)
Segment
1
------
6.74
---------
7.85
------- ----
8
Reach
1
80.00
45.00
0.00
9.00000
Reach
2
0.00
0.00
0.00
0.00000
Reach
3
141.00
0.00
0.00
5.20000
Reach
4
276.00
0.00
0.00
0.50000
Reach
5
0.00
0.00
0.00
0.00000
Reach
6
0.00
0.00
0.00
0.00000
Reach
7 On
G,-t&
45.00
90.00
0.00
1.00000
Reach
8
0.00
0.00
0.00
0.00000
*** MODEL SUMMARY DATA ***
Discharger
Receiving Stream
Summer 7Q10
Design Temperature:
CITY OF EDEN Subbasin : 030203
DAN RIVER Stream Class: C
313.0 Winter 7Q10 : 578.0
25.0
ILENGTHI
SLOPEI
VELOCITY
I DEPTHI Kd I
Kd
I Ka I
Ka I
KN I
--------------------------------------------------------------------------------
I mile I
ft/mil
fps
I ft
Idesignl
@2014
Idesignl
@20'h Idesignl
Segment
1
I I
1 1.401
I
2.301
0.914
I
1 4.88
I I
10.28 10.22
I I
1 2.06 I
I
1.851
I
0.44 1
Reach
--------------------------------------------------------------------------------
1
I I
I
I
I I
I I
I
I
Segment
1
I I
1 0.701
I
2.301
0.915
I
1 4.89
I I
10.28 1
0.22
I I
1 2.06 1
I
1.851
I
0.44 1
Reach
--------------------------------------------------------------------------------
2
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.301
I
2.301
0.932
I
1 4.90
I I
10.28 1
0.22
I I
1 2.10 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
3
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.101
I
2.301
0.934
I
1 4.90
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
4
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.801
I
2.301
0.934
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
5
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 3.521
I
2.301
0.936
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
6
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.031
I
2.301
0.940
I
1 4.93
I I
10.28 1
0.22
I I
1 2.12 1
I
1.901
I
0.44 1
Reach
--------------------------------------------------------------------------------
7
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 1.101
I
2.301
0.939
I
1 4.96
I I
1 0.28 10.22
I I
1 2.12 1
I
1.901
I
0.44 1
Reach
--------------------------------------------------------------------------------
8
1 1
1
1
1 1
1 1
1
1
I Flow
I cfs
Segment 1
Reach 1
Waste
1 13.950
Headwaters1313.000
Tributary
1 0.000
* Runoff
1 0.420
I CBOD
I NBOD I
D.O. I
I mg/1
I mg/l I
mg/l I
180.000
1 45.000 I
0.000
1 2.000
1 1.000 1
7.440
1 0.000
1 0.000 1
7.440
I 2.000
1 1.000 1
7.440
Segment 1 Reach 2
Waste 1 0.000 1 0.000 1 0.000 1 0.000
i Q
- Tributary
I 0.000
I 0.000
I 0.000 I
7.440
* Runoff
1 0.420
I 2.000
1 1.000 1
7.440
Segment 1
Reach 3
Waste
I 8.060
1141.000
1 0.000 I
0.000
Tributary
1 0.000
I 0.000
1 0.000 1
7.440
* Runoff
I 0.420
1 2.000
1 1.000 1
7.440
Segment 1
Reach 4
Waste
1 0.775
1276.000
1 0.000 1
0.000
Tributary
1 0.000
1 0.000
1 0.000 1
7.440
* Runoff
I 0.000
I 0.000
1 0.000 1
7.440
Segment 1
Reach 5
Waste
I 0.000
1 0.000
1 0.000 I
0.000
Tributary
1 0.900
I 2.000
1 1.000 1
7.440
* Runoff
1 2.630
I 2.000
1 1.000 1
7.440
Segment 1
Reach 6
Waste
I 0.000
I 0.000
1 0.000 1
0.000
Tributary
1 0.200
I 2.000
1 1.000 1
7.440
* Runoff
1 0.230
I 2.000
1 1.000 I
7.440
Segment 1
Reach 7
Waste
1 1.550
145.000
1 90.000 I
0.000
Tributary
I 0.000
I 0.000
1 0.000 I
7.440
* Runoff
1 0.000
I 0.000
1 0.000 1
7.440
Segment 1
Reach 8
Waste
I 0.000
1 0.000
i 0.000 I
0.000
Tributary
1 4.200
1 2.000
1 1.000 1
7.440
* Runoff
I 0.184
1 2.000
I 1.000 I
7.440
* Runoff flow is in cfs/mile
c
r `
SUMMER
40/10 FLOW=9 MGD
DRY CK
DWNSTRM/1
Seg # I
Reach #
I Seg Mi I
D.Q. I
CBOD I
NBOD I
Flow I
1
1
0.00
7.12
5.33
2.88
326.95
1
1
0.10
7.12
5.32
2.87
326.99
1
1
0.20
7.12
5.31
2.86
327.03
1
1
0.30
7.12
5.30
2.85
327.08
1
1
0.40
7.11
5.29
2.84
327.12
1
1
0.50
7.11
5.28
2.83
327.16
1
1
0.60
7.11
5.27
2.83
327.20
1
1
0.70
7.11
5.26
2.82
327.24
1
1
0.80
7.10
5.25
2.81
327.29
1
1
0.90
7.10
5.24
2.80
327.33
1
1
1.00
7.10
5.23
2.79
327.37
1
1
1.10
7.10
5.22
2.78
327.41
1
1
1.20
7.10
5.21
2.77
327.45
1
1
1.30
7.10
5.20
2.77
327.50
1
1
1.40
7.09
5.19
2.76
327.54
1
2
1.40
7.09
5.19
2.76
327.54
1
2
1.50
7.09
5.18
2.75
327.58
1
2
1.60
7.09
5.17
2.74
327.62
1
2
1.70
7.09
5.16
2.73
327.66
1
2
1.80
7.09
5.15
2.72
327.71
1
2
1.90
7.09
5.14
2.72
327.75
1
2
2.00
7.09
5.13
2.71
327.79
1
2
2.10
7.08
5.12
2.70
327.83
1
3
2.10
6.91
8.38
2.64
335.89
1
3
2.20
6.91
8.36
2.63
335.93
1
3
2.30
6.91
8.35
2.62
335.98
1
3
2.40
6.90
8.33
2.61
336.02
1
4
2.40
6.89
8.95
2.61
336.79
1
4
2.50
6.88
8.93
2.60
336.79
1
5
2.50
6.88
8.91
2.59
337.69
1
5
2.60
6.88
8.89
2.59
337.96
1
5
2.70
6.88
8.87
2.58
338.22
1
5
2.80
6.87
8.85
2.57
338.48
1
5
2.90
6.87
8.83
2.56
338.74
1
5
3.00
6.86
.8.81
2.55
339.01
1
5
3.10
6.86
8.78
2.54
339.27
1
5
3.20
6.86
8.76
2.53
339.53
1
5
3.30
6.85
8.74
2.53
339.80
1
6
3.28
6.86
8.74
2.52
340.00
1
6
3.38
6.85
8.72
2.52
340.02
1
6
3.48
6.85
8.71
2.51
340.04
1
6
3.58
6.84
8.69
2.50
340.07
1
6
3.68
6.84
8.67
2.50
340.09
1
6
3.78
6.84
8.66
2.49
340.11
1
6
3.88
6.84
8.64
2.48
340.13
1
6
3.98
6.83
8.63
2.47
340.16
1
6
4.08
6.83
8.61
2.47
340.18
1
6
4.18
6.83
8.59
2.46
340.20
1
6
4.28
6.82
8.58
2.45
340.23
1
6
4.38
6.82
8.56
2.44
340.25
1
6
4.48
6.82
8.55
2.44
340.27
1
6
4.58
6.82
8.53
2.43
340.30
1
6
4.68
6.81
8.51
2.42
340.32
1
6
4.78
6.81
8.50
2.42
340.34
1
6
4.88
6.81
8.48
2.41
340.36
1
6
4.98
6.81
8.47
2.40
340.39
(POST-SOC)
MGD
t
a
O
1
6
5.08
6.81
8.45
2.40
340.41
•'1
6
5.18
6.80
8.44
2.39
340.43
1
6
5.28
6.80
8.42
2.38
340.46
1
6
5.38
6.80
8.41
2.37
340.48
1
6
5.48
6.80
8.39
2.37
340.50
1
6
5.58
6.80
8.37
2.36
340.53
1
6
5.68
6.79
8.36
2.35
340.55
1
6
5.78
6.79
8.34
2.35
340.57
1
6
5.88
6.79
8.33
2.34
340.59
1
6
5.98
6.79
8.31
2.33
340.62
1
6
6.08
6.79
8.30
2.33
340.64
1
6
6.18
6.79
8.28
2.32
340.66
1
6
6.28
6.79
8.27
2.31
340.69
1
6
6.38
6.79
8.25
2.31
340.71
1
6
6.48
6.78
8.24
2.30
340.73
1
6
6.58
6.78
8.22
2.29
340.76
1
6
6.68
6.78
8.21
2.29
340.78
1
6
6.78
6.78
8.19
2.28
340.80
1
7
6.75
6.75
8.36
2.68
342.35
1
8
6.75
6.76
8.28
2.66
346.55
1
8
6.85
6.76
8.26
2.65
346.57
1
8
6.95
6.76
8.25
2.64
346.59
1
8
7.05
6.75
8.23
2.63
346.61
1
8
7.15
6.75
8.22
2.63
346.63
1
8
7.25
6.75
8.20
2.62
346.64
1
8
7.35
6.75
8.19
2.61
346.66
1
8
7.45
6.75
8.17
2.60
346.68
1
8
7.55
6.75
8.16
2.60
346.70
1
8
7.65
6.75
8.14
2.59
346.72
1
8
7.75
6.75
8.13
2.58
346.74
1
8
7.85
6.74
8.11
2.57
346.75
I Seg # I
Reach #
I Seg Mi I
D.O. I
CBOD I
NBOD I
Flow I
),-" J
CAXk
SUMMER
PRE-SOC DRY CREEK
MODEL RESULTS
Discharger
:
CITY OF EDEN
Receiving Stream :
DAN RIVER
----------------------------------------------------------------------
The End
D.O.
is 6.77
mg/l.
The End
CBOD
is 8.05
mg/l.
The End
----------------------------------------------------------------------
NBOD
is 2.36
mg/l.
WLA
WLA
WLA
DO Min
CBOD
NBOD
DO
Waste Flow
(mg/1)
Milepoint Reach #
(mg/1)
(mg/1)
(mg/1)
--
(mgd)
----------
Segment
1
------
6.77
----------------
7.85 8
----
----
Reach
1
80.00
45.00
0.00
9.00000
Reach
2
0.00
0.00
0.00
0.00000
Reach
3
141.00
0.00
0.00
5.20000
Reach
4
276.00
0.00
0.00
0.50000
Reach
5
0.00
0.00
0.00
0.00000
Reach
6
0.00
0.00
0.00
0.00000
Reach
7
60.00
90.00
0.00
0.44500
Reach
8
0.00
0.00
0.00
0.00000
*** MODEL SUMMARY DATA ***
Discharger :
Receiving Stream
Summer 7Q10
Design Temperature:
CITY OF EDEN Subbasin : 030203
DAN RIVER Stream Class: C
313.0 Winter 7Q10 : 578.0
25.0
ILENGTHI
SLOPEI
VELOCITY
I DEPTHI Kd I
Kd
I Ka I
Ka I
KN I
--------------------------------------------------------------------------------
I mile I
ft/mil
fps
I ft
Idesignl
@204
Idesignl
@20;fi Idesigni
Segment
1
I I
1 1.401
I
2.301
0.914
I
1 4.88
I I
10.28 1
0.22
I I
1 2.06 1
I
1.851
I
0.44 1
Reach
--------------------------------------------------------------------------------
1
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.701
I
2.301
0.915
I
1 4.89
I I
1 0.28 1
0.22
I I
12.06 1
I
1.851
I
0.44 1
Reach
--------------------------------------------------------------------------------
2
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.301
I
2.301
0.932
I
1 4.90
I I
1 0.28 1
0.22
I I
1 2.10 I
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
3
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.101
I
2.301
0.934
I
14.90
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
4
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.801
I
2.301
0.934
I
1 4.92
I I
1 0.28 10.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
5
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 3.521
I
2.301
0.936
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach
--------------------------------------------------------------------------------
6
1 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 0.031
I
2.301
0.938
I
1 4.93
I I
10.28 10.22
I I
1 2.12 1
I
1.901
I
0.44 1
Reach
--------------------------------------------------------------------------------
7
I 1
1
1
1 1
1 1
1
1
Segment
1
I I
1 1.101
I
2.301
0.937
I
1 4.96
I I
1 0.28 10.22
I I
1 2.12 1
I
1.901
I
0.44 1
Reach
--------------------------------------------------------------------------------
8
1 1
1
1
1 1
1 1
1
1
I Flow
I cfs
Segment 1
Reach 1
Waste
1 13.950
Headwaters1313.000
Tributary
I 0.000
* Runoff
I 0.420
I CBOD I
NBOD I
D.O. I
I mg/1 I
mg/1 I
mg/1 I
180.000 145.000
I
0.000
1 2.000 1
1.000 1
7.440
1 0.000 1
0.000 1
7.440
1 2.000 1
1.000 1
7.440
Segment 1 Reach 2
Waste 1 0.000 1 0.000 1 0.000 1 0.000
Tributary I 0.000 1 0.000 I 0.000 I 7.440
* Runoff I 0.420 I 2.000 1 1.000 I 7.440
Segment 1 Reach 3
Waste 1 8.060 1141.000 1 0.000 1 0.000
Tributary 1 0.000 I 0.000 1 0.000 I 7.440
* Runoff 1 0.420 I 2.000 I 1.000 I 7.440
Segment 1 Reach 4
Waste 1 0.775 1276.000 1 0.000 I 0.000
Tributary 1 0.000 I 0.000 I 0.000 1 7.440
* Runoff I 0.000 I 0.000 1 0.000 I 7.440
Segment 1 Reach 5
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.900 I 2.000 1 1.000 I 7.440
* Runoff I 2.630 I 2.000 I 1.000 I 7.440
Segment 1 Reach 6
Waste 1 0.000 I 0.000 1 0.000 I 0.000
Tributary I 0.200 I 2.000 1 1.000 I 7.440
* Runoff I 0.230 I 2.000 I 1.000 1 7.440
Segment 1 Reach 7
Waste I 0.690 160.000 1 90.000 1 0.000
Tributary I 0.000 I 0.000 I 0.000 1 7.440
* Runoff I 0.000 I 0.000 1 0.000 1 7.440
Segment 1 Reach 8
Waste I 0.000 I 0.000 I 0.000 1 0.000
Tributary I 4.200 I 2.000 I 1.000 1 7.440
* Runoff 1 0.184 I 2.000 1 1.000 1 7.440
* Runoff flow is in cfs/mile
SUMMER
PRE-SOC DRY CREEK
Seg #
I Reach # I
Seg Mi I
D.O. I
CBOD I
NBOD I
Flow
1
1
0.00
7.12
5.33
2.88
326.95
1
1
0.10
7.12
5.32
2.87
326.99
1
1
0.20
7.12
5.31
2.86
327.03
1
1
0.30
7.12
5.30
2.85
327.08
1
1
0.40
7.11
5.29
2.84
327.12
1
1
0.50
7.11
5.28
2.83
327.16
1
1
0.60
7.11
5.27
2.83
327.20
1
1
0.70
7.11
5.26
2.82
327.24
1
1
0.80
7.10
5.25
2.81
327.29
1
1
0.90
7.10
5.24
2.80
327.33
1
1
1.00
7.10
5.23
2.79
327.37
1
1
1.10
7.10
5.22
2.78
327.41
1
1
1.20
7.10
5.21
2.77
327.45
1
1
1.30
7.10
5.20
2.77
327.50
1
1
1.40
7.09
5.19
2.76
327.54
1
2
1.40
7.09
5.19
2.76
327.54
1
2
1.50
7.09
5.18
2.75
327.58
1
2
1.60
7.09
5.17
2.74
327.62
1
2
1.70
7.09
5.16
2.73
327.66
1
2
1.80
7.09
5.15
2.72
327.71
1
2
1.90
7.09
5.14
2.72
327.75
1
2
2.00
7.09
5.13
2.71
327.79
1
2
2.10
7.08
5.12
2.70
327.83
1
3
2.10
6.91
8.38
2.64
335.89
1
3
2.20
6.91
8.36
2.63
335.93
1
3
2.30
6.91
8.35
2.62
335.98
1
3
2.40
6.90
8.33
2.61
336.02
1
4
2.40
6.89
8.95
2.61
336.79
1
4
2.50
6.88
8.93
2.60
336.79
1
5
2.50
6.88
8.91
2.59
337.69
1
5
2.60
6.88
8.89
2.59
337.96
1
5
2.70
6.88
8.87
2.58
338.22
1
5
2.80
6.87
8.85
2.57
338.48
1
5
2.90
6.87
8.83
2.56
338.74
1
5
3.00
6.86
8.81
2.55
339.01
1
5
3.10
6.86
8.78
2.54
339.27
1
5
3.20
6.86
8.76
2.53
339.53
1
5
3.30
6.85
8.74
2.53
339.80
1
6
3.28
6.86
8.74
2.52
340.00
1
6
3.38
6.85
8.72
2.52
340.02
1
6
3.48
6.85
8.71
2.51
340.04
1
6
3.58
6.84
8.69
2.50
340.07
1
6
3.68
6.84
8.67
2.50
340.09
1
6
3.78
6.84
8.66
2.49
340.11
1
6
3.88
6.84
8.64
2.48
340.13
1
6
3.98
6.83
8.63
2.47
340.16
1
6
4.08
6.83
8.61
2.47
340.18
1
6
4.18
6.83
8.59
2.46
340.20
1
6
4.28
6.82
8.58
2.45
340.23
1
6
4.38
6.82
8.56
2.44
340.25
1
6
4.48
6.82
8.55
2.44
340.27
1
6
4.58
6.82
8.53
2.43
340.30
1
6
4.68
6.81
8.51
2.42
340.32
1
6
4.78
6.81
8.50
2.42
340.34
1
6
4.88
6.81
8.48
2.41
340.36
1
6
4.98
6.81
8.47
2.40
340.39
1
6
5.08
6.81
8.45
2.40
340.41
'.1
6
5.18
6.80
8.44
2.39
340.43
1
6
5.28
6.80
8.42
2.38
340.46
1
6
5.38
6.80
8.41
2.37
340.48
1
6
5.48
6.80
8.39
2.37
340.50
1
6
5.58
6.80
8.37
2.36
340.53
1
6
5.68
6.79
8.36
2.35
340.55
1
6
5.78
6.79
8.34
2.35
340.57
1
6
5.88
6.79
8.33
2.34
340.59
1
6
5.98
6.79
8.31
2.33
340.62
1
6
6.08
6.79
8.30
2.33
340.64
1
6
6.18
6.79
8.28
2.32
340.66
1
6
6.28
6.79
8.27
2.31
340.69
1
6
6.38
6.79
8.25
2.31
340.71
1
6
6.48
6.78
8.24
2.30
340.73
1
6
6.58
6.78
8.22
2.29
340.76
1
6
6.68
6.78
8.21
2.29
340.78
1
6
6.78
6.78
8.19
2.28
340.80
1
7
6.75
6.77
8.29
2.46
341.49
1
8
6.75
6.78
8.22
2.44
345.69
1
8
6.85
6.77
8.20
2.43
345.71
1
8
6.95
6.77
8.19
2.42
345.73
1
8
7.05
6.77
8.17
2.42
345.75
1
8
7.15
6.77
8.16
2.41
345.77
1
8
7.25
6.77
8.14
2.40
345.78
1
8
7.35
6.77
8.13
2.40
345.80
1
8
7.45
6.77
8.11
2.39
345.82
1
8
7.55
6.77
8.10
2.38
345.84
1
8
7.65
6.77
8.08
2.38
345.86
1
8
7.75
6.77
8.07
2.37
345.88
1
8
7.85
6.77
8.05
2.36
345.89
Seg I
Reach
I Seg Mi I
D.O. I
CBOD I
NBOD
Flow
SUMMER
POST-SOC DRY CREEK
MODEL RESULTS
Discharger
CITY OF EDEN
Receiving Stream
DAN RIVER
----------------------------------------------------------------------
The End
D.O.
is 6.74
mg/l.
The End
CBOD
is 8.18
mg/l.
The End
----------------------------------------------------------------------
NBOD
is 2.57
mg/l.
WLA
WLA
WLA
DO Min
CBOD
NBOD
DO
Waste Flow
(mg/1)
Milepoint Reach #
(mg/1)
(mg/1)
(mg/1)
(mgd)
Segment
1
------
6.74
----------------
7.85 8
----
----
--
----------
Reach
1
80.00
45.00
0.00
9.00000
Reach
2
0.00
0.00
0.00
0.00000
Reach
3
141.00
0.00
0.00
5.20000
Reach
4
276.00
0.00
0.00
0.50000
Reach
5
0.00
0.00
0.00
0.00000
Reach
6
0.00
0.00
0.00
0.00000
Reach
7
60.00
90.00
0.00
1.00000
Reach
8
0.00
0.00
0.00
0.00000
s *** MODEL SUMMARY DATA ***
F_
Discharger
:
CITY OF
EDEN
Subbasin :
030203
Receiving Stream :
DAN RIVER
Stream
Class:
C
Summer 7Q10
:
313.0
Winter
7Q10
: 578.0
Design Temperature:
25.0
ILENGTHI
SLOPEI
VELOCITY
I DEPTHI Kd I
Kd
I Ka I
Ka I
KN I
--------------------------------------------------------------------------------
I mile I
ft/mil
fps
I ft
Idesignl
@20'6
Idesignl
@204 Idesignl
Segment 1
I I
1 1.401
I
2.301
0.914
I
1 4.88
I I
1 0.28 1
0.22
I I
1 2.06 I
I
1.851
I
0.44 1
Reach 1
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.701
I
2.301
0.915
I
1 4.89
I I
1 0.28 1
0.22
I I
1 2.06 I
I
1.851
I
0.44 1
Reach 2
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.301
I
2.301
0.932
I
1 4.90
I I
1 0.28 1
0.22
I I
1 2.10 1
I
1.891
I
0.44 1
Reach 3
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.101
I
2.301
0.934
I
1 4.90
I I
10.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach 4
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.801
I
2.301
0.934
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach 5
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 3.521
I
2.301
0.936
I
1 4.92
I I
1 0.28 1
0.22
I I
1 2.11 1
I
1.891
I
0.44 1
Reach 6
--------------------------------------------------------------------------------
I 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 0.031
I
2.301
0.940
I
1 4.93
I I
1 0.28 1
0.22
I I
1 2.12 1
I
1.901
I
0.44 1
Reach 7
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
Segment 1
I I
1 1.101
I
2.301
0.939
I
1 4.96
I I
1 0.28 1
0.22
I I
1 2.12 1
I
1.901
I
0.44 1
Reach 8
--------------------------------------------------------------------------------
1 1
1
1
1 1
1 1
1
1
I Flow
I cfs
Segment 1
Reach 1
Waste
1 13.950
Headwaters1313.000
Tributary
1 0.000
* Runoff
1 0.420
1 CBOD
1 NBOD 1
D.O. I
I mg/l
I mg/l I
mg/l I
180.000
1 45.000 I
0.000
I 2.000
I 1.000 I
7.440
1 0.000
I 0.000 I
7.440
1 2.000
I 1.000 1
7.440
Segment 1 Reach 2
Waste 1 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.000 I 0.000 1 0.000 1 7.440
* Runoff 1 0.420 I 2.000 1 1.000 1 7.440
Segment 1 Reach 3
Waste I 8.060 1141.000 1 0.000 I 0.000
Tributary I 0.000 I 0.000 I 0.000 I 7.440
* Runoff I 0.420 I 2.000 I 1.000 1 7.440
Segment 1 Reach 4
Waste I 0.775 1276.000 1 0.000 I 0.000
Tributary I 0.000 I 0.000 I 0.000 1 7.440
* Runoff I 0.000 I 0.000 1 0.000 1 7.440
Segment 1 Reach 5
Waste I 0.000 I 0.000 1 0.000 I 0.000
Tributary I 0.900 I 2.000 I 1.000 I 7.440
* Runoff I 2.630 I 2.000 I 1.000 I 7.440
Segment 1 Reach 6
Waste 1 0.000 I 0.000 1 0.000 1 0.000
Tributary I 0.200 1 2.000 I 1.000 I 7.440
* Runoff I 0.230 I 2.000 I 1.000 I 7.440
Segment 1 Reach 7
Waste I 1.550 1 60.000 1 90.000 I 0.000
Tributary I 0.000 1 0.000 I 0.000 I 7.440
* Runoff I 0.000 I 0.000 1 0.000 I 7.440
Segment 1 Reach 8
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary 1 4.200 I 2.000 1 1.000 I 7.440
* Runoff I 0.184 I 2.000 1 1.000 1 7.440
* Runoff flow is in cfs/mile
e
SUMMER
POST-SOC DRY CREEK
Seg #
Reach #
Seg Mi
D.O.
CBOD
NBOD
Flow
1
1
0.00
7.12
5.33
2.88
326.95
1
1
0.10
7.12
5.32
2.87
326.99
1
1
0.20
7.12
5.31
2.86
327.03
1
1
0.30
7.12
5.30
2.85
327.08
1
1
0.40
7.11
5.29
2.84
327.12
1
1
0.50
7.11
5.28
2.83
327.16
1
1
0.60
7.11
5.27
2.83
327.20
1
1
0.70
7.11
5.26
2.82
327.24
1
1
0.80
7.10
5.25
2.81
327.29
1
1
0.90
7.10
5.24
2.80
327.33
1
1
1.00
7.10
5.23
2.79
327.37
1
1
1.10
7.10
5.22
2.78
327.41
1
1
1.20
7.10
5.21
2.77
327.45
1
1
1.30
7.10
5.20
2.77
327.50
1
1
1.40
7.09
5.19
2.76
327.54
1
2
1.40
7.09
5.19
2.76
327.54
1
2
1.50
7.09
5.18
2.75
327.58
1
2
1.60
7.09
5.17
2.74
327.62
1
2
1.70
7.09
5.16
2.73
327.66
1
2
1.80
7.09
5.15
2.72
327.71
1
2
1.90
7.09
5.14
2.72
327.75
1
2
2.00
7.09
5.13
2.71
327.79
1
2
2.10
7.08
5.12
2.70
327.83
1
3
2.10
6.91
8.38
2.64
335.89
1
3
2.20
6.91
8.36
2.63
335.93
1
3
2.30
6.91
8.35
2.62
335.98
1
3
2.40
6.90
8.33
2.61
336.02
1
4
2.40
6.89
8.95
2.61
336.79
1
4
2.50
6.88
8.93
2.60
336.79
1
5
2.50
6.88
8.91
2.59
337.69
1
5
2.60
6.88
8.89
2.59
337.96
1
5
2.70
6.88
8.87
2.58
338.22
1
5
2.80
6.87
8.85
2.57
338.48
1
5
2.90
6.87
8.83
2.56
338.74
1
5
3.00
6.86
8.81
2.55
339.01
1
5
3.10
6.86
8.78
2.54
339.27
1
5
3.20
6.86
8.76
2.53
339.53
1
5
3.30
6.85
8.74
2.53
339.80
1
6
3.28
6.86
8.74
2.52
340.00
1
6
3.38
6.85
8.72
2.52
340.02
1
6
3.48
6.85
8.71
2.51
340.04
1
6
3.58
6.84
8.69
2.50
340.07
1
6
3.68
6.84
8.67
2.50
340.09
1
6
3.78
6.84
8.66
2.49
340.11
1
6
3.88
6.84
8.64
2.48
340.13
1
6
3.98
6.83
8.63
2.47
340.16
1
6
4.08
6.83
8.61
2.47
340.18
1
6
4.18
6.83
8.59
2.46
340.20
1
6
4.28
6.82
8.58
2.45
340.23
1
6
4.38
6.82
8.56
2.44
340.25
1
6
4.48
6.82
8.55
2.44
340.27
1
6
4.58
6.82
8.53
2.43
340.30
1
6
4.68
6.81
8.51
2.42
340.32
1
6
4.78
6.81
8.50
2.42
340.34
1
6
4.88
6.81
8.48
2.41
340.36
1
6
4.98
6.81
8.47
2.40
340.39
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A
Seg #
6
5.08
6.81
8.45
2.40
340.41
6
5.18
6.80
8.44
2.39
340.43
6
5.28
6.80
8.42
2.38
340.46
6
5.38
6.80
8.41
2.37
340.48
6
5.48
6.80
8.39
2.37
340.50
6
5.58
6.80
8.37
2.36
340.53
6
5.68
6.79
8.36
2.35
340.55
6
5.78
6.79
8.34
2.35
340.57
6
5.88
6.79
8.33
2.34
340.59
6
5.98
6.79
8.31
2.33
340.62
6
6.08
6.79
8.30
2.33
340.64
6
6.18
6.79
8.28
2.32
340.66
6
6.28
6.79
8.27
2.31
340.69
6
6.38
6.79
8.25
2.31
340.71
6
6.48
6.78
8.24
2.30
340.73
6
6.58
6.78
8.22
2.29
340.76
6
6.68
6.78
8.21
2.29
340.78
6
6.78
6.78
8.19
2.28
340.80
7
6.75
6.75
8.42
2.68
342.35
8
6.75
6.76
8.35
2.66
346.55
8
6.85
6.76
8.33
2.65
346.57
8
6.95
6.76
8.32
2.64
346.59
8
7.05
6.75
8.30
2.63
346.61
8
7.15
6.75
8.29
2.63
346.63
8
7.25
6.75
8.27
2.62
346.64
8
7.35
6.75
8.26
2.61
346.66
8
7.45
6.75
8.24
2.60
346.68
8
7.55
6.75
8.23
2.60
346.70
8
7.65
6.75
8.21
2.59
346.72
8
7.75
6.74
8.20
2.58
346.74
8
7.85
6.74
8.18
2.57
346.75
Reach #
I Seg Mi I
D.O. I
CBOD I
NBOD I
Flow
Request Form for In -stream Assessment for 67B
NAME OF FACILITY_-d---_-------�el'�e (I/(r/��SUBBASIN 03"Ga-03
C OUNTY & /79A7 ____ REGION oy DESIGN FLOW
RECEIVING STREAM Ogr1_ gj//e/' ______
BACKGROUND DATA :
A. Why is SOC needed? (Facility is out of compliance with which
effluent limits?)
Fl o ui , 7-ss
B. History of SOC requests:
1. Monthly Average waste flow
prior to any SOC mgd
Time period averaged "r 9 thru
2. Previously approved SOC's:
Date:
Date:
flow:
flow:
total of previously approved SOC flow:
3. Flows lost from plant
(facilities that have gone
off line)
4. Current SOC request
5. Total plant flow post-soc
(sum of original flow and
SOC flow minus losses)
lag,
mgd
____mgd
mgd
flow: /,b7e 4ao4,H mgd
flow:
��
2.��({[,`�
_mgd
flow:
mgd
6. Is this an accurate flow balance for plant? Why/why not?
Ju s f i /�tri� i i/C �eGtP �c r�, f Flo /ini a/�iudP/awl,
C. Please attach DMR summary for past year for all permitted parame-
ters. If possible, include reports from previous years if
facility has been under SOC for more than a year.
CURRENT SOC—REQUEST :
A. Request is for domestic or industrial waste? If it is a combin-
ation, please specify percentages.
% Dv/yirSl�c
B. What type of industry? Please attach any pertinent data.
Ou;"7y
C. The region proposes the following SOC limits:
g9vnfA/y wre, ll
BOD5 yo.0. 00,0 mg/1
NH3--(O.O /J_' 6)__mg/1
D
mg/1
TSSg0.0 12-0.0 mg/1
fecal coliform—/0Q0.0 170O0.0 #/100m1
pH 6 -" S U
other parameters
D. What is
the
basis for these limits?
heldre✓
of