HomeMy WebLinkAboutNC0040011_Wasteload Allocation_19950629NPDES DOCU$ENT SCANNING COVER SHEET
NC0040011
Yanceyville WWTP
NPDES Permit:
Document Type:
Permit Issuance
Wasteload Allocation -
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
June 29, 1995
Miss ss documezzt 1.16 printed cm rewae paper - ignore any
coateat ozi the reYerrae side
Refer : Basinwide / Streamline WLA File
Completed By Permits & Engineering
At Front Of Subbasin
PERMIT NO.: NC0040011
PERMI 1 1'EE NAME: Town of Yanceyville
FACILITY NAME: Yanceyville WWTP
Facility Status: Existing
Permit Status: Modification
Major
NPDES WASTE LOAD ALLOCATION
Pipe No.: 001
Minor
Design Capacity: 0.25 MGD / o. 451 o, 4,0
Domestic (% of Flow): 95 %
Industrial (% of Flow): 5 %
Modeler
Date Rec.
#
c-it
4(L-tI`is
S28`t (A,
Drainage Area (m12): 49.4
s7Q10 (cfs): 1.2
Average Streamflow (cfs): 44
w7Q10 (cfs): 4.9 30Q2 (cfs): 6.4
Toxicity Limits: Chronic (Ceriodaphnia) P / F
24 % for 0.25 mgd / 37% for 0.45 mgd / 44 % for 0.60 mgd
January, April, July, and October
Upstream Location: at least 100' above outfall
Downstream Location: Highway 158 / 86 bridge
Parameters: temperature, dissolved oxygen, fecal coliform, conductivity
Special instream monitoring locations or monitoring frequencies:
Comments:
Plant expansion request from 0.25 MGD to 0.45 MGD to ultimatelwasteflow (MGD):
0.6 MGD. The limits for 0.25 and 0.45 have already been develol3oD5 (mg/I):
in the previous permit, and now they are wanting additional flow t(NH3N (mg/I):
0.6. DO (mg/I):
TSS (mg/I):
RECEIVING STREAM: Country Line Creek Fecal Col. (/100 ml):
pH (SU):
Class: C Residual Chlorine (µg/I):
Oil &Grease (mg/1):
Sub -Basin: 03-02-04
TP (mg/I):
Reference USGS Quad: B 21 NE (please attachTN (mg/1):
Cadmium (µg/I): Daily Maximum
County: Caswell Chromium (µg/I): Daily Maximum
Regional Office: Winston-Salem Regional Office Cyaner g/I): Daily Maximum
g g Cyanide (µg/l): Daily Maximum
Previous Exp.Date: 3/31/94 Treatment Plant Class: II Nickelad (µ.tg/1 Daily Maximum
(µg/l): Daily Maximum
Mercury (µg/I): Daily Maximum
Silver (µg/1): Daily Maximum
Changes from Class WS-II to Class C APPROXIMATELY 1 mileZlnc (µg/I): Daily Maximum
UPSTREAM.
Classification changes within three miles:
Requested by:
Prepared by
Reviewed by:
*( f 3-4_35-+173
WC461_, EL(wa/UJQ.
Susan Robson
5 / 3i•5 -go.45
Monthly Average
Summer Winter
0.250 0.250
30 30
monitor monitor
monitor monitor
30 30
200 200
6-9 6-9
monitor monitor
nr nr
monitor monitor
monitor monitor
8.2 8.2
monitor monitor
monitor monitor
20 20
102 102
monitor monitor
0.049 0.049
monitor monitor
monitor monitor
Monthly Average
Summer Winter
0.450 0.450
18 30
2.3 13
5.0 5.0
30 30
200 200
6-9 6-9
28.0 28.0
nr nr
monitor monitor
monitor monitor
5.4 5.4
monitor monitor
monitor monitor
14 14
68 68
monitor monitor
0.033 0.033
monitor monitor
monitor monitor
There shall be no discharge of floating solids or visible foam in other
than trace amounts.
Date: 4/13/95
Date: V+ v 0,15
Date:(40 iita5
4
Monthly Average
Summer Winter
0.600 0.600
15 30
2 10.1
5.0 5.0
30 30
200 200
6-9 6-9
28.0 28.0
nr nr
monitor monitor
monitor monitor
4.6 4.6
monitor monitor
monitor monitor
11 11
57 57
monitor monitor
0.032 0.032
monitor monitor
monitor monitor
RETURN TO TECHNICAL SERVICES BY:
Facility Name:
NPDES No.:
Type of Waste:
Facility Status:
Permit Status:
Receiving Stream:
Stream Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Topo Quad:
FACT SHEET FOR WASTELOAD ALLOCATION
Request # 8289 A, B, C
RECEIVED
Industrial - 5% `•1. . Dept. of E H N R
JUN 071335
Town of Yanceyville WWTP
NC0040011
Domestic - 95
Existing
Renewal
Country Line Creek
C
03-02-04
Caswell
Winston - Salem
Robson
4/ 1 7 / 9 5
B21NE
Stream Characteristic:
Drainage Area (mi2):
Summer 7Q10 (cfs):
Winter7Q10 (cfs):
Average Flow (cfs):
30Q2 (cfs):
IWC (%):
49.4
1.2
4.9
44
6.4
24% for 0.250 mgd
37% for 0.450 mgd
44% for 0.600 mgd
Wasteload Allocation Summary
(approach taken, correspondence with region, EPA, etc.)
Waste Load Allocation requested due to proposed expansion to 0.600 mgd.
This receiving stream has been modeled from the Yanceyville WWTP outfall down to the
confluenc,e�xith the Dan River. Under this modeling analysis, the current limits for 0.25 mgd
would�eprete dissolved oxygen levels tozero just prior to the South Country Line Creek
conflfience. Increasing the discharged quantity, (i.e. up to 0.450 and 0.600 mgd) and lowering
BOD5 effluent limits portrays an acceptable effect upon the receiving stream.
Note the change in downstream monitoring location. This is being recommended to verify
whether the predicted dissolved oxygen sag is taking place.
Note the change in the BOD5 limit for 0.450 mgd.
Facility often at or exceeding 80% of permitted discharge on average
Special Schedule Requirements and additional comments from Reviewers:
o ( C
i
apora'7 1 F 'r—LIMef,
Recommended by: 7N
Farrell Keoug
Instream Assessment:
Regional Supervisor:
Date: sr MA r , 1,13
Date: (VI1 /q5
Date: 4 " 12 -
Permits & Engineering: Date: 6M/95-'
AN 3 0 1995
Existing Limits;
Wasteflow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
pH (SU):
Residual Chlorine (1.1g/1):
Oil & Grease (mg/1):
TP (mg/1):
TN (mg/1):
CONVENTIONAL PARAMETERS
Monthly Average
Summer
0.25
30
monitor
monitor
30
200
6-9
monitor
nr
monitor
monitor
Monthly Average
Summer Winter
0.45 0.45
28 30
2.3 13
5.0 5.0
30 30
200 200
6-9 6-9
28.0 28.0
nr nr
monitor monitor
monitor monitor
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Recommended Limits:
ok►�y'd this A -LI 'uAc, (153
Monthly Average Monthly Average Monthly Average
Summer Summer Winter Summer Winter
Wasteflow (MGD): 0.25 0.45 0.45 0.60 0.60
BOD5 (mg/1): 30 8 * 30 15 30
NH3N (mg/1): monitor 2.3 13 2 10.1
DO (mg/1): monitor 5.0 5.0 5.0 5.0
TSS (mg/1): 30 30 30 30 30
Fecal Col. (/100 ml): 200 200 200 200 200
pH(SU): 6-9 6-9 6-9 6-9 6-9
Residual Chlorine (p.g/1): monitor 28.0 28.0 28.0 28.0`
Oil & Grease (mg/1): nr nr nr nr nr
TP (mg/1): monitor monitor monitor monitor monitor
TN (mg/1): monitor monitor monitor monitor monitor • V� �"'�
There shall be no discharge of floating solids or visible foam in other than trace amounts. y
* Note: BOD5 limit for 0.45 mgd has been changed from 8 mg/1 to 18 mg/1, (ch ges in BOD5 No MopCtU )
limit was based on modeling analysis) Ntr aos � �kJ pi LA of la ofi r T�
(explanation of any modifications to past modeling analysis including new flows, rates, field data, -- Pt`'
interacting discharges)
(See page 4 for miscellaneous and special conditions, if applicable)
Type of Toxicity Test:
Existing Limit:
Recommended Limit:
Monitoring Schedule:
TOXICITY TEST
Chronic (ceriodaphnia) Toxicity P / F
24 % for 0.25 mgd / 37 % for 0.45 mgd
24 % for 0.25 mgd / 37 % for 0.45 mgd / 44 % for 0.60 mgd
January, April, July, and October
Existing Limits
Flow (MGD):
Arsenic (µg/1):
Cadmium (14/1):
Chromium (µg/1):
Copper (14/1):
Cyanide (µfill):
Lead (µg/1):
Nickel (µfill):
Mercury (µg/1):
Phenols (µg/1):
Silver (µg/1):
Zinc (14/1):
* Monthly Average
Recommended Limits
Flow (MGD):
Arsenic (p.g/1):
Cadmium (4/1):
Chromium (µg/1):
Copper (µg/1):
Cyanide (14/1):
Lead (14/1):
Nickel (µg/1):
Mercury (µg/1):
Phenols WA):
Silver (µfill):
Zinc (1.tg/1):
* Monthly Average
Arsenic
Cadmium
Chromium
Copper
Cyanide
Lead
Nickel
Mercury
Silver
Maximum Predicted
Allowable
Maximum Predicted
Allowable
Maximum Predicted
Allowable
Maximum Predicted
Allowable
Maximum Predicted
Allowable
Maximum Predicted
Allowable
Maximum Predicted
Allowable
Maximum Predicted
Allowable
Maximum Predicted
Allowable
Zinc Maximum Predicted
Allowable
TOXICS/METALS
Daily Maximum
0.25 *
monitor
8.2
monitor
monitor
20.0
102.0
not required
0.049
not required
monitor
monitor
Daily Maximum
0.25 *
not required
8.2
monitor -
monitor
20.0 "
102.0
monitor
0.049
not required
monitor
monitor
0.25 1141 0.60
8.5 8.5 8.5
204.8 136 114.5
19.2 19.2 19.2
8.2 5.4 4.6
108 108 108
204.8 136 114.5
77.7 77.7 77.7
28.7 19 16
40.8 40.8 40.8
20.5 13.6 11.5
227.7 227.7 227.7
102.4 68 57.3
141.6 141.6 141.6
360.5 239.4 201.5
222.6 222.6 222.6
0.05 0.03 0.03
33 33 33
0.2 0.2 0.1
532.8 532.8 532.8
204.8 136 114.5
Daily Maximum
0.45 *
not required
5.4
monitor .
monitor -
14.0 -
68.0
monitor
0.033
not required
monitor
monitor
Daily Maximum
0.45 *
monitor
5.4
monitor
monitor
14.0
68.0
not required
0.033
not required
monitor
monitor
Daily Maximum
0.60 *
not required
monitor -
monitor --
11.0 -
57.0-
monitor
0.032-
not required
monitor
monitor
most effluent values 5 µg/1 or less
0.72 14/1 in July, 1994
'30 values of <0.5 µg/1 for late '93 through most of '94
numerous values above detection - this should not be a
constituent from the SIU, therefore its source is unknown
numerous values above Action Level based allowable
24 µg/1 in June, 1993
numerous values above the detection limit
numerous values above detection
effluent levels have gotten lower over time
numerous values above detection - this should not be a
constituent from the SIU, there ore its source is unknown
�µg/I in November, 1993
numerous values above detection in early 1993
most values above Action Level based allowable
many values above Action Level based allowable
Many of the previous parameter(s) are water quality limited. For some parameters, the available
load capacity of the immediate receiving water will be consumed. This may affect future water
quality based effluent limitations for additional dischargers within this portion of the watershed.
INSTREAM MONITORING REQUIREMENTS
Upstream Location: at least 100' above outfall
Downstream Location: Highway 158 / 86 bridge *
Parameters: Temperature, dissolved oxygen, fecal coliform, conductivity
Special instream monitoring locations or monitoring frequencies:
* change due to modeling analysis and portrayal of dissolved oxygen sag further downstream.
MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS
Adequacy of Existing Treatment
Has the facility demo . ated the ability to meet the proposed new limits with existing treatment
facilities? Yes No
If no, which parameters cannot be met?
Would a "phasing in" of the new limits be appropriate? Yes No
If yes, please provide a schedule (and basis for that schedule) with the regional
office recommendations:
If no, why not?
Special Instructions or Conditions
Wasteload sent to EPA? (Major) (Y or N)
(If yes, then attach updated evaluation of facility, including toxics spreadsheet, modeling
analysisif modeled at renewal, and description of how it fits into basinwide plan)
Additional Information attached? (Y or N) If yes, explain with attachments.
Facility Name Yanceyville Waste Water Treatment Plant Permit # NC0040011 Pipe # 001
CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia, chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or significant
mortality is 24 % (defined as treatment two in the North Carolina procedure document). The permit
holder shall perform quarterly monitoring using this procedure to establish compliance with the permit
condition. The first test will be performed after thirty days from the effective date of this permit during
the months of Jan., Apr., Jul., and Oct. Effluent sampling for this testing shall be performed at the
NPDES 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
4401 Reedy Creek Road
Raleigh, N.C. 27607
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 m um control
organism survival and appropriate environmental controls, shall constitute an invalid test d will require
immediate retesting(within 30 days of initial monitoring event). Failure to submit suitable tst results will
constitute noncompliance with monitoring requirements.
7Q10 1.2 cfs
Permitted Flow 0.25 MGD
IWC 24 %
Basin & Sub -basin 03-02-04
Receiving Stream Country Line Creek
County Caswell
QCL P/F Version 9/91
Recommended
Data i n'in' , tqa 5
Farrell Keough
Facility Name Yanceyville Waste Water Treatment Plant Permit # NC0040011 Pipe # 001
CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or significant
mortality is 37 % (defined as treatment two in the North Carolina procedure document). The permit
holder shall perform quarterry monitoring using this procedure to establish compliance with the permit
condition. The first test will be performed after thirty days from the effective date of this permit during
the months of Jan., Apr., Jul., and Oct. Effluent sampling for this testing shall be performed at the
NPDES 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
4401 Reedy Creek Road
Raleigh, N.C. 27607
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 and will require
immediate retesting(within 30 days of initial monitoring event). Failure to submit suitab test results will
constitute noncompliance with monitoring requirements.
7Q10 1.2 cfs
Permitted Flow 0.45 M G D
IWC 37 %
Basin & Sub -basin 03-02-04
Receiving Stream Country Line Creek
County Caswell
QCL P/F Version 9/91
Recommende
Farrell Keough
Date3 MA& , t99
Facility Name Yanceyville Waste Water Treatment Plant Permit # NC0040011 Pipe # 001
CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or significant
mortality is 44 % (defined as treatment two in the North Carolina procedure document). The permit
holder shall perform quarterly monitoring using this procedure to establish compliance with the permit
condition. The first test will be performed after thirty days from the effective date of this permit during
the months of Jan., Apr., Jul., and Oct. Effluent sampling for this testing shall be performed at the
NPDES 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
4401 Reedy Creek Road
Raleigh, N.C. 27607
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 . ' inimum control
organism survival and appropriate environmental controls, shall constitute an invalid teand will require
immediate retesting(within 30 days of initial monitoring event). Failure to submit suita 1,1, test results will
constitute noncompliance with monitoring requirements.
7Q10 1.2 cfs
Permitted Flow 0.60 MGD
IWC 44 %
Basin & Sub -basin 03-02-04
Receiving Stream Country Line Creek
County Caswell
QCL P/F Version 9/91
Recommended b :=
Datesr- mwe ! t`1S 5
Farrell Keough
FIOWs
Many old USGS flow determinations existed for use in this model; unfortunately, these flows often conflicted,
(i.e. in some instances, an upstream site would have more drainage area than a site only a little downstream of it).
The formula's from the USGS map report also caused conflict. This waterbody is located in an HA9 designation
and the exponent used in the formula for this area is 0.53. This causes the flows to become progressively smaller
as you move downstream and the drainage area's increase, (i.e. the larger drainage area does not increase the
flow determination progressively). To remedy this, old USGS flows were used, but only those at the heads or
mouths of the model's waterbodies.
Three tributaries are included in this model. All three use old USGS flow determinations and these are give on
the model worksheet.
Previous Mode(
A previous model was constructed for the Yanceyville Waste Water Treatment Plant in 1991. That model
predicts very different results than this one. The two major reasons for these discrepancies are no ammonia limit
was implemented for the 0.250 rrtgd discharge. (facility chose an ammonia limit) and the 1991 model limited
velocity to 0.100 fps,
The 1991 model used an ammonia limit in the analysis, but the facility chose to accept a chronic toxicity test, (for
ammonia toxicity) instead of accepting the limit. Therefore, the 1991 model did not portray the extra effect of a 20
mg/I ammonia in the effluent.
To compound this, the velocity equation, (screen #3) for the 1991 model was locked into 0.100 fps. This
current model allowed for calculation of velocity, (which affects the other exponential calculations, especially
reaeration) and that had dramatic affects. As an example, the following is a list of the various rates for the first two
major sections of the model, (since the reaches don't match up exactly, the first section is from the Yanceyville
WWTP discharge to the first unnamed tributary and the second section is from there to South Country Line
Creek):
BIM velocity kg
section one 1991 model: 9.09 0.100 1.64
current model: 9.10 0.088 1.44
section two 1991 model: 4.88 0.100 0.88
current model: 4.90 0.074 0.65
When the 1991 was allowed to run without the velocity kept at 0.100 fps, similar output to the current model was
calculated.
The 1991 model was about one-fourth [1/4] the length of this new model. Because of that, the influence of the
runoff values used was more dramatic, (the modeler on the '91 model had the same difficulties w/ flow
determinations that I did). Exasperating this influence, the runoff used in the '91 model was input into the first one
out of four reaches, (R2 through R4 had zero for its R/O input). This diminished the influence of the Yanceyville
discharge by increasing its dilution dramatically. I have included a sheet with the various USGS flow
determinations; some of the dates were unavailable.
This new model was much longer and had the R/O values input equally throughout the entire run of the model,
thereby diminishing the effects of dilution in comparison to the 1991 model. This approach was taken because of
the seemingly homogenous nature of this waterbody, (as seen from the topographic maps) and the lack of good
flow statistics to use.
The 1991 model did not use instream data from Yanceyville to determine a background dissolved oxygen (mg/I)
starting point; it used the model default value instead, (i.e. 7.1 mg/I versus 7.44 mg/I). Including the discharge, the
output starting point for the 1991 model dissolved oxygen level was 5.62 mg/I, while this new model started at
5.37 mg/I. These differences, coupled with the dramatic disparity in runoff inputs, (0.12 cfs for the 1991 model
and 0.006 cfs for the new model) explain the dramatically different outcomes.
Finally, one other difference between the two models was an extra reach in the 1991 model that was not present
in the new model. In the 1991 model, an R2 is included which is 0.2 miles long. This was not included in the new
model since its effect was minimal; it was included because of an elevation change, (hence a slope and velocity
change) and that was accounted for in R2 of the new model. I mention this because it exists, but its effect should
not be significant.
Calibratlort
Other than the aforementioned background dissolved oxygen input, no changes to the model default values
were made. Little is known of this waterbody other than what it seen on the topographic maps, therefore no
justification could be made for changing any of the default values.
8.00
7.00
6.00
i
E 5.00
c
m
m
0 4.00--
m
a
§ 3.00 -
n
2.00 --
1.00 —
0.00
Predicted dissolved oxygen profile for various flows and limits of dischargers to Country Line Creek
o u') 0) et' 0) v G) v.
o o o .- •- CV? c") ▪ fit' co
✓ o 1 o
cd O N L)
✓ r r
Creek Miles from Yanceyville outfall
0 0.45 mgd
0.45 mgd w/ current limits
0.60 mgd
4 0.25 mgd w/ current limits
ui
r
o) 0)
Ili co
r r
ch c!
N N
Segment 1 . ►•
Roach
1
2
3
4 I 5
6
7
8
Yaoosydlte W WTP
umrroed blbuta+y
Seth Country Una Ck
Blanche WWI Untlbt
Kips+ Crook
Length
0.8
1.7
2.7
4.7
.5
0.85
5.4
0.7
0w
0.25 / 0.45 / 0.65
0.018
CBOD
45 / L} / u.S
45
NSOD
90 / 10.35 / 9
90
Do
0/5/5
-
.....•
..: J:.•:.......
..
.... • .. f:... x.: f.. f.... J:....:l.:.
...t.• ...............................
., .:..:l........Y ::. f.:•
................:.... ...
.... :•.. •.'. J.••..•,:, :,.i..�{.�.
...:.......: f...........:..
•..:::l.�::: ... r:.:.::::..
:{• •: !.........:: :•.
•.: N: JJ:JXt:
• :•::......::...... ...:.,
•.1J�
':?::{•:•::tiv: $:::•t.•}.t•:•:
.:•:V::::.t:}J. .
• f } ti r.`:
................
...... {'rii}$i7}$ $$
• 7010
0.006
0.006
0.006
0.006
0.006
0.006
0.006
0.006
w7010
0.14
0.14
0.14
0.14
0.14
0.14
0.14
0.14
Gave
1.42
1.42
1.42
1.42
1.42
1.42
1.42
1.42
::• ::::
t���� ::y •:::h '::
' I.:y : f:i f iggii::: :; :::::{~-
:•.:::.Jf:•::•l.:t::{.{•::•:•:•:::•::y :l:{•:
ti;iiigii :.•:g {•ti §
•::J•••J:. :... .I':Y.:
{ :{:: •{{.:Y .: } •:ti.: }:;::iiii
:{...: ....t .....:.�{{..: {..
iit :-:
:i:::I ' 'i' r -
:•:h•.ti• •ii
:•:{•.: f'•Y•
{::': ':::V ':: ::f
:Y::ti:•::f `::{•}:1-::•:-
• 7010
0.08
1.1
0.09
w 7010
0.34
4.4
0.08
0av
3.1
40.0
0.2
Slope
9. t
4.9
4.9
2.0
4.2
3.0
3.0
1.7
Second Screen of Model Input
Segment 1:
IA) (9) (C) ID) (E) t3) Ml of (J)
6
0
0
0
1.2
2.0
1.0
7.1
44.5
Segment 2:
Segment 3:
Distance
CClevation
Slope
Cummulative Distance
mid as YNCYVLLE
-
Z.Z
4.1
5.1
245
23
39
29
5.8
440
420
400
300
380
370
380
350
340
-
9.1
4.0
2
4.1
4.3
28
3.4
1.7
-
26
6.7
11.8
14.3, 18.55
20.5
23.4
29.2
'I9
RI
Noy
ifaKCEYv s..0 WUR'P
NCvo'100 II
k
410
f
R2
c
RI,Mor
Segment 1: Reach 1--> Reach B lend]
e7010:(2.6-(1.2+1.1+0.08+0.09))/21.85=0.0059
w7010 : ( 12.7 - ( 4.9 + 4.4 + 0.34 + 0.09 )) / 21.85 = 0.136
Oave:(118.4-(44+40+3.1+0.2))/21.85=1.42
this uses USOS (Iowa;
calculated flows were too divergent between up and downstream locations...
R3
USOS •lte
02.0752.1958
020752.2050
02.0752.6475
02.0772.1000
02.0732.7050
R4
R5
T1507 3.10 Lonye MBI 8 sd
0 1 WO
tnuOtc. YOUTH trtSTout..
t C., Q3,t a o
Wsterbody Name
Country Line Creek 0 Yancsyve out}al
unnamed tributary to Country Line Creek
South Country Line Creek
Kilgore Creek
Country Line Creek 0 mouth
DA
49.4
342
44.4
0.22
131.5
•7010
1.2
0.08
1.1
0.00
2.6
3+0
w1010
4.9
0.34
4.4
0.08
12.7
360
1
One
44
3.1
40
0.2
116.4
R7
350
R•
b0 s�'
USGS Station Number pecelving Stream
q9 0 02.0752.1958 Country Line Creek
)ksioWNO2.0752.2000 Country Line Creek
SI
el
Location
Yanceyville WWTP
Highway 62
02.0752.6525 Country Line Creek Highway .158 / 86
02.0752.6800 Country Line Creek SR 1597
disparities between drainage area's : upstream site has larger drainage area than lower site
02.0752.7000
02.0752.7050
ig9O 02.0752.2050
02.0752.2050
two 02.0752.6475
----• 02.0752.6475
uhAww3 02.0772.1000
unuseable drainage area
HA 9
MAR 0.9
Country Line Creek
Country Line Creek
Country Line Creek
unnamed tributary
unnamed tributary
South Country Line Creek
South Country Line Creek
Kilgore Creek
SR 1554
Highway 57
mouth
mouth [ flows from USGS ]
mouth [ calculated flows ]
mouth [ flows from USGS ]
mouth [ calculated flows ]
SR 1702
RA lam 27111 w7010 Ina
49.4 44 1.2 4.9 6.4
50.3 45.3 1.56 .96 8.17
102 91.8 2.27 10.4 14.7
100 90 2.25 10.3 14.4
. 120
130
131.5
108 2.48 11.9 16.8
117 2.59 12.6 18
118.4 2.6 12.7 18.1
3.42 3.1 0.08 0.34 0.44
3.42 _ 3.08 0.38 0.71 0.88
44.4 40 1.1 4.4 5.8
44.4 1.46 5.41 7.36
0.22 0.2 0.09 0.08 0.09
• le`). ��'' ,s‘t'
Jo
"e Request # 8289 A, B, C
Facility Name: Town of Yanceyville Waste Water Treatment Plant
` NPDES No.: NC0040011
Type of Waste: 95 % Domestic 5 % Industrial
Facility Status: Existing
Permit Status: Renewal Stream Characteristic
Receiving Stream: Country Line Creek USGS #
Stream Classification: C Date:
Subbasin: 03-024 Drainage Area (mi2): 49.4
County: Caswell Summer 7010 (cfs): 1.2
Regional Office: Winston-Salem Winter 7010 (cfs): 4.9
Requestor: Robson Average Flow (cfs): 44
Date of Request: 4 / 17 / 95 3002 (cfs): 6.4
Topo Quad: B 21 NE IWC (%): 24% for 0.25 mgd
37% for 0.45 mgd
44% for 0.60 mgd
Existing WLA checked: x
Staff Report: na
Topo checked: x model attached (vJg Q-tm s uO_ A be
USGS Flows confirmed: x ?el Ntxd ocfr ..
IWC Spreadsheet: x
Stream Classification:
Nutrient Sensitivity:
Instream Data: x
6 .O -ale-, +keo rs-Vot ! N 0t
1977: Received limits of 20 and 6 for a flow of 0.125 mgd. Discharge to Jail House Branch; a tributary to Country Line
Creek.
1981: In -stream assessment based on influent / effluent efficiency and flow increase to 0.2 mgd. Modeling analysis of the Jail House
Branch outfall indicated instream DO problems. New modeling analysis performed with correction in flow statistics from the
1977 model. Final WLA for flow increase recommended limits of 18 (21) and 7 (12) summer (winter) limits. A time of travel
study accompanies this analysis; it addresses 'an enormous amount of algae' below the outfall of the oxidation pond. A
second WLA was finalized in 1981 which included a proposal for the outfall to relocate to Country Line Creek. Limits
recommended for Jail House Branch were 12 (16) and 2 (5), and those recommended for Country Line Creek were 30 / 30.
1982: Facility must have been struggling to meet SOC requirements, therefore numerous instream assessments took place with
small incremental flow increases. Their discharge point to Jail House Branch created many documented DO problems, but no
strong evidence of relocation existed to date in the WLA files.
1984: Facility relocated to Country Line Creek and with a discharge of 0200 mgd the facility received 30 / 30 limits.
1986: Relocation of plant not yet complete. Various SOC's and instream assessments took place.
1988: Re -issued with existing limits; new flows requested
1989 - 90: Issues of NH3-N toxicity and the WS-llI classification arose.
1991: Another proposed expansion was submitted; both ammonia and chlorine limits were expected by the facility for this expansion.
Speculative was sent 8 / 91 for an expansion to 0.45 mgd; limits of 24 / 2.3 / 5 were recommended. Also, possible
Pretreatment and waterbody reclassification, [from WS-III to C] were addressed. Finalized WLA was for 0.25 mgd with 30 / 30
limits and no Pretreatment.
1992: Two WLA's; for 0.24 mgd [with 30 / 30 limits] and one for the expansion to 0.45 mgd with a Pretreatment program added.
Conversations with Pretreatment indicate that excessive metals requirements were placed on this facility due to use of their
'permitted loading' being applied to the PIRF. This will be looked into for this review. Also, letter in file indicates change in
Nickel limit due to reclassification of waterbody to C.
This facility had a permit for 0.25 and 0.45 mgd already; they are asking for this additional flow outside the Basin Schedule.
This facility has only one SIU, [ Classic Hosiery : Textile fibers [ bleach and dying process; 1991 Stf Rpt ]] but show significant levels of
various toxicants in their effluent, (Pretreatment is very surprised by this). A toxic spreadsheet analysis has been run on the DMR data
submitted by the facility and the results are attached and commented upon below.
This facility discharges to a waterbody which required a Level B for the Basin Management Plan review; this is attached. A write-up on
this modeling analysis will follow; but generally it is portraying very poor conditions for the current permit, (0.25 mgd w/ 30/90 limits) and
better rearation with more discharge and a Dissolved Oxygen limit.
Staff Report
not available for this review
Toxicity Test
Facility is showing consistent passing for Toxicity Test.
DMR'6
Facility is consistently edging the 80% capacity mark and having trouble meeting a 30 mg/1 BOD limit.
sa
Arsenic:
Max. Pred Cw
Allowable Cw
Cadmium: Max. Pred Cw
Allowable Cw
Chromium: Max. Pred Cw
Allowable Cw
Copper [AL]: Max. Pred Cw
Allowable Cw
Cyanide: Max. Pred Cw
Allowable Cw
Lead: Max. Pred Cw
Allowable Cw
Mercury: Max. Pred Cw
Allowable Cw
Nickel: Max. Pred Cw
Allowable Cw
Silver [AL]: Max. Pred Cw
Allowable Cw
Zinc: Max. Pred Cw
Allowable Cw
8.5 Not Required
136 most effluent values 5 pg/I or less
19.2 Limit
5.4 0.72 µg/I in July, 1994 - otherwise, -30 values of >0.5 µg/I for late '93 and most of'94
108 Monitor in NPDES Permit - Pretreatment concurs
136 numerous values above detection - monitor because this condition should not exist
77.7 Monitor in NPDES Permit
19 numerous values above allowable based on Action Level
40.8 Limit
13.6 maximum values 24 µg/I in June, 1993 - numerous values above detection since then
228 Limit
68 numerous values above detection - values have become significantly better over time
223 Limit
0.03
numerous values above detection in early 1993 as well as a 42 µg/l in Novemeber, 1993
142 Not Required
239 numerous positive values, but none high enough to constitute a limit
33 Monitor in NPDES Permit
0.2 most values above allowable based on Action Level
533 Monitor in NPDES Permit
136 many values above allowable based on Action Level
A ltbj bomb dni o - `IS
r158
Yanceyville Waste Water Treatment Plant N00040011
January, 1993 through December, 1994
Facility Name =
NPDES # =
Qw (MGD) =
7Q 10s (cfs)=
IWC (%) =
Yance}rville WWTP_
011 NC0040
0.6
43.7 %
FINAL RESULTS
Arsenic ,/
Max. Pred Cw 8.5
Allowable Cw 114.5
Maximum Value 5
Cyanide
Max. Pred Cw 40.8
Allowable Cw 11.5 1-inlIT
Maximum Value 24
Copper [AL] .
Max. Pred Cw 77.7
Allowable Cw 16.0 MoN`t'
Maximum Value 37
Lead
Max. Pred Cw 227.7
Allowable Cw 57.3 r r ,,,\-
Maximum Value 69
Mercury
Max. Pred Cw 222.6
Allowable Cw 0.03 ;
Maximum Value 42
Nickel
Max. Pred Cw 141.6
Allowable Cw 201.5 N°1- ?to
Maximum Value 59
Silver [AL]
Max. Pred Cw 33
Allowable Cw 0.1 riovrt0E,
Maximum Value 15
Cadmium
Max. Pred Cw 19.2
Allowable Cw 4.6 L ""T
Maximum Value 6
Chromium
Max. Pred Cw 108
Allowable Cw 114.5
Maximum Value 54
Zinc [AL]
Max. Pred Cw 532.8
Allowable Cw 114.5 Nvrf
Maximum Value 222
5/2/95
January, 1993 through December, 1994
Facility Name =
NPDES # =
Q w (MGD) =
7Q 1 0s (cfs)=
IWC (%) =
Yancerille WWTP
NC0040011
0.45
1.2
36.8
Arsenic
Max. Pred Cw
Allowable Cw
Maximum Value
Cyanide
Max. Pred Cw
Allowable Cw
Maximum Value
Copper [AL]
Max. Pred Cw
Allowable Cw
Maximum Value
Lead
Max. Pred Cw
Allowable Cw
Maximum Value
Mercury
Max. Pred Cw
Allowable Cw
Maximum Value
Nickel
Max. Pred Cw
Allowable Cw
Maximum Value
Silver [AL]
Max. Pred Cw
Allowable Cw
Maximum Value
Cadmium
Max. Pred Cw
Allowable Cw
Maximum Value
Chromium
Max. Pred Cw
Allowable Cw
Maximum Value
Zinc [AL]
Max. Pred Cw
Allowable Cw
Maximum Value
FINAL RESULTS
8.5
136.0
5
40.8
13.6 '"
24
77.7
19.0
37
227.7
68.0
69
m ou rtint,
mir
222.6
0.03 L'^`1T
42
141.6
239.4
59
33
0.2
15
.1DT 4-t1ch'Z
Mon wog_
19.2
5.4 Limb
6
108
136.0
54
532.8
136.0
222
ore. 510 -
egz., 60 n1Ctrlirr1J C.Pkr i►ersrr1
F"ON
5/1/95
January, 1993 through December, 1994
Facility Name =
NPDES # =
Ow (MGD) =
7Q 10s (cfs)=
!WC (%) =
- - Yanceyville WWTP - -
NC0040011
0.25
1.2
24.4 %
Arsenic
Max. Pred Cw
Allowable Cw
Maximum Value
Cyanide
FINAL RESULTS
8.5
204.8
5
Max. Pred Cw 40.8
Allowable Cw 20.5
Maximum Value 24
Copper [AL]
Max. Pred Cw 77.7
Allowable Cw 28.7
Maximum Value 37
Lead
Max. Pred Cw 227.7
Allowable Cw 102.4
Maximum Value 69
Mercury ,,
Max. Pred Cw 222.6
Allowable Cw 0.05
Maximum Value 42
Nickel
Max. Pred Cw 141.6
Allowable Cw 360.5 ;nor ITT
Maximum Value 59
Silver [AL] /
Max. Pred Cw 33
Allowable Cw 0.2 k J--��
Maximum Value 15
Cadmium
Max. Pred Cw 19.2
Allowable Cw 8.2
Maximum Value 6
Chromium
Max. Pred Cw 108
Allowable Cw 204.8
Maximum Value 54
Zinc [AL]
Max. Pred Cw 532.8
Allowable Cw 204.8
Maximum Value 222
5/2/95
Januarv.1993 through December.1994
ParameterStandard
_
Arsenic
n BDL=1/2DL RESULTS
1 2.5 • Std Dev. 1.3
2 2.5 * Mean 3.3
3 2.5 * C.V. 0.4
4 3.3
5 5 _
6 5 Jun-93 MuftFactor= r.1.7 1
7 3 Max. Value 5 PO
8 4 • Max. Pred Cw 8.5 µgf
9 5 Allowable Cw 136.0 µg/1
10 2.5 •
11 2.5 •
12 2.5 •
13 3
14 •
15 1.5 •
16 2 *
17 3
18 3.5 •
19 5
20 3
21 1.5 •
22 5 Oct-94
23 5
24 1 •
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Parameter
Standard
RESULTS
• Std Dev.
2 5 • Mean
3 10 C.V.
4 15
5 13
6 11
7 10
8 20
9 12
10 16
11 (2_1 Jun-93
12 16
13 5
14 5
15 10
16 10
17 5 •
18 5 •
19 5 •
20 5 •
21 5 •
22 14
23 5 •
24 5 *
25 5 •
26 5 •
27 5 •
28 5 •
29 5 *
30 11
31 17
32 10
33 10
34 10
35 10
36 10
37 5 •
38 11
39 5 •
40 5 •
41 5 •
42 5 •
43 5 •
44 5 •
45 5 •
46 5 •
47 2.5 •
48 2.5 •
49
50
n BDL=1/213L
1 5
4.8
8.3
0.6
Melt Facbr=
Max. Value 24 µfill
Max. Pred Cw 40.8 µgli
Allowable Cw 13.6 WI
Parameter = ' • , • AL ✓
Standard
n BDL=1/2131. RESULTS
1 2.5 * Std Dev. 10.4
2 14 Mean 16.4
3 8 C.V. 0.6
4 9
5 14
6 2.5 • Mutt Factor = i 2.1.1
7 6 Max. Value 37 .µg1
8 13 Max. Pred Cw 77.7 NA
9 11 Allowable Cw 19.0 µWA
10 31
11 19
12 17
13 35 Dec-93
14 37 Jan-94
15 26
16 31
17 8
18 27
19 5
20 18
21 8
22 24
23 25
24 13
25 6
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
5,1/95
� S r
Januarv.1993 through December. 1994
Lead
n BDL=1/2DL RESULTS
1 1 • Std Dev. 12.8
2 1 • Mean 7.2
3 1 • C.V. 1.8
4 1 •
5 1 •
6 69 kr Mar-93 MultFactor =
7 2 Max. Value 69 µg4
8 54 -' Apr-93 Max. Pred Cw 227.7 µal!
9 3 Allowable Cw 68.0 µ9ll
10 3
11 8
12 7.5
13 12
14 4
15 3
16 3
17 1 •
18 1 •
19 1 •
20 1 •
21 1 •
22 1 •
23 1 •
24 1 •
25 3
26 5
27 20
28 10
29 1 •
30 4
31 27 Apr-94
32 1 •
33 1 •
34 1 •
35 1 •
38 5
37 1 •
38 1 •
39 4
40 2
41 7
42 13
43 5
44 6
45 16 Nov-94
46 7
47 12.5
48 12.5
49
50
Parameter=
Standard =
Mercury
0.012
pan
Parameter
Standard
Nickel
88
l�
n BDL-1/2DL RESULTS n BDL=1/2DL RESULTS
1 4 Jan-93 Std Dev. 6.6 1 2.5 • Std Dev. 11.5
2 0.1 Mean 1.6 2 9 Mean 12.4
3 15 Feb-93 C.V. 4.0 3 2.5 • C.V. 0.9
4 1 4 9
5 0.1 5 2.5 __
6 12 Mar-93 MO Factor = ( 5.3 ] 6 2.5 • Mult Factor = = 2.4
7 0.1 • Max. Value 42 µg/1 7 2.5 • Max. Value 59 pall
8 0.1 Max. Pred Cw 222.6 µg/1 8 8 Max. Pred Cw 141.6 pal
9 0.1 Allowable Ow 0.03 µ8/1 9 12 Allowable Cw 239.4 pal
10 0.1 10 12
11 0.1 11 11
12 0.1 12 2.5 •
13 0.1 13 2.5 •
14 0.1 14 16 Jul-93
15 0.1 15 25 Aug-93
16 0.1 16 2.5 •
17 0.1 17 22 Sep-93
18 0.1 • 18 13
19 0.1 • 19 22
20 0.1 • 20 7
21 0.1 • 21 11
22 �4?) Nov-93 22 1 •
23 0.1 • 23 2.5 •
24 0.1 • 24 2.5 •
25 0.1 • 25 33 Jan-94
26 0.1 • 26 10
27 0.1 • 27 20
28 0.1 • 28 17
29 0.1 29 2.5 •
30 0.1 * 30 8
31 0.1 • 31 2.5 •
32 0.1 • 32 24
33 0.1 • 33 23
34 0.1 • 34 21
35 0.1 • 35 21
36 0.1 • 36 59 Jun-94
37 0.1 • 37 7
38 0.1 • 38 19
39 0.1 • 39
40 0.1 • 40
41 0.1 • 41
42 0.1 • 42
43 0.1 • 43
44 0.1 • 44
45 0.1 • 45
46 0.1 46
47 0.1 • 47
48 0.1 • 48
49 49
50 50
Parameter =
Standard = 25 11.911
6l1/95
Januant. 1903 throuah December. 1994
Parameter
Standard =
Silver [ALI
0.06
BD6.1/2DL
10
10
25
7
15
2.5
9
7
2.5
5
2.5
2.5
8
7
9
13
25
2.5
2.5
25
25
5
RESULTS
Sid Dev.
Mean
• C.V.
3.8
5.9
0.6
May-93 _
MultFactor = ran
• Max. Value 15 NA
Max. Pred Cw 33 µgf
Allowable Cw 0.2 µgf
Parameter = Cadmium
Standard = ! 2 J µoil
BDL=1/2DL
0.25
0.25
1.1
0.25
1.1
0.25
0.25
0.7
0.25
4
2
2
6 Jul-93
6
4
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25 •
0.72
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
1
RESULTS
• Std Dev.
• Mean
C.V.
1.4
0.8
1.7
• Mutt Factor=
Max. Value 6 µall
Max. Pred Cw 19.2 µaA
• Allowable Cw 5.4 NA
•
Jul-94
.
.
.
.
•
Parameter
Standard=
Chromium
50
n BDL=1/2DL
1 18
2 2.5
3 9
4 5
5 25
6 17
7 25
8 7
9 19
10 14
11 2.5
12 8
13 7
14 25
15 15
16 5
17 21
18 25
19 5
20 19
21 54 Nov-93
22 20
23 19
24 16
25 26
26 25
27 19
28 27
29 32
30 2.5
31 33
32 31
33 45
34 15
35 24
36 25
37 23
38 20
39 12
40 11
41 23
42 5
43
44
45
46
47
48
49
50
f
Aug-93
Oct 93
RESULTS
Std Dev.
Mean
C.V.
11.7
17.0
0.7
Mult Factor=
Max. Value 54 µgA
Max. Pred Cw 108 µgA
Allowable Cw 136.0 µgl
5/1/95
Januarv.1993 t roudi December. 1994
Parameters
Standard s
Zinc [ALJ I
50 i RA
n BOL=1/2OL RESULTS
1 44 Std Dev. 56.5
2 99 Mean 82.5
3 41 C.V. 0.7
4 34
5 61 _ _
6 222 Jun-93 Mult Factors 2.4��
7 15 Max. Value 222 µgf
8 38 Max. Prod Cw 532.8 µgi
9 103 Allowable Cw 136.0 NA
10 72
11 42
12 114
13 145
14 66
15 145
16 159
17 47
18 157
19 9
20 42
21 57
22 86
23 159
24 22
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
48
47
48
49
50
EV1/95
•
WIH 1.P. r fl'I.URNTTOXICITY TRSTIN(1 OISI?I,P-M()NIT()ItIN(i SUMMARY' Sim. Apr 21. 1995
FACILITY RI':01IIRPMP.NT
WORTII CIIIIMICAI. CORP. PERM CIIR LIM:22%(GRAB)
NC0078000/001 Begin:4/2/90 Fancy: Q P/F A JAN APR JUL OCT NonComp:
County:GUILFORD Region: WSRO Subhasin: CPFO2
PF: 0.216 Special
7010: 1.2 IWC(%):21.8 Order.
YEAR JAN FEB MAR AP1t MAY JOIN 1111. AIIG SEEP OCT NOV DEC
91 PH — — WI --- — H — — -'. — —
92 — — — — — — — — — .-
93 PASS — — PASS — — PASS — — PASS — —
94 PASS — PASS — — PASS — PASS — —
95 Pass —
wit 1(;IIT('111iM1('Al.('Oltl'A/02 PERM ('llltt.IM:202. 91 --• —
NC0003395/002 Begin:3/1/93 Frequency: Q P/1' A 111B MAY AUG NOV NonComp:SINGIJI 02 -- — -•• --- -- '-'
County:COLUMBUS Region: WIRO Subbasin: CPF17 93 — — — PASS NWPASS --PASS
PF:0.135 Special 94 — PASS — PASS — PASS — PASS
7010: 0.6 IWC(%):25.8 Order. 95 — aft
YADKINVIIJJIWW11' PERM CUR 1.IM:2119- 91 PASS — FAIL PASS PASS PASS PASS PASS PASS PASS
NC0020338/001 Begin:7/1/94 Frequency: Q P/1' A JAN APR JUL OCT NonComp:S1NGIJI 92 PASS — — FAIL FAIL PASS PASS — — PASS
County:YADKIN Region: WSRO Subbasin: YADO2 93 PASS — — PASS — — PASS — = PASS
PF: 1.0 Special 04 PASS — --- FAIL PASS — LATE PASS PASS
7010: 3.9 IWC(%):28.4 Order 95 Pass —
YANC14YV IL E Wwrp PERM CIIR LIM:24%: UPON MCP 0.45MGD CIIR LIM 37% 91 — — — — — — — --
NC004001I/001 Begin:9/1/94 Frequency: Q P/F A JAN APR JUL OCT NonComp:SINGLE 92 — — — — — — — — — PASS
County:CASWELL . Region: WSRO Subbnsin: ROA04 93 FAIL NI NI PASS — — PASS — PASS
PF:0.250 Special 94 PASS — — PASS — — PASS — — PASS
7010: 1.2 IWC(%):24.4 ref 95 Pass —
YORK PROPERTIES PIIRM CIIR LIM: 90% 91
NC0084174/001 Begin:12/1/94 Pnrprrnry: Q PA' A FEB MAY AUG NOV NonComp:SINGIJI 02
('nuntylWAKI( Region' 11111 Vuhhndnt N10101 03
PV:.00288 Special u4
7010: 0.0 IWC(%): 100 Omer: 95
%J71111.ON WWII' PERM CIIR I.IM:90%(NEW PLANT) 91
N00079316/001 Begin: I I/1/94 I'nxryrncy: Q P/l' A JAN APR RII.00I' NnnComp:SIN(R.11 02 ••-
County: WAKFI Region: RRO Suhhnsin: NEI107 93 --- "-
PI':1.85 Special 04 37.5 >09
7010:0.0 IWC(%):100.0 Omer. 05 >00 01.2,>90
H
10
— — — — 83 94 >9- 9
>00 >09 >99 >99 35 >99 >99 >99 >99
0 2 consecutive failures = significant noncompliance Y Pre 1991 Data Available
LEGEND: .
PERM = Permit Requirement LJT = Administrative Letter- Target Frequency = Monitoring frequency: Q- Quarterly; M- Monthly; BM- Bimonthly; SA- Semiannually: A- Annually; OWD- Only when discharging; D- Discontinued monitoring requirement; IS- Conducting independent study
Begin = First month walked 7010 = Receiving stream low Bow criterion (cfs) A = quarterly monitoring increases to monthly upon single failure Months that testing must occur - ex. JAN,APR,JUL,OCT NonComp= Current Compliance Requirement
PP= Permitted BTn ow (MGD) IWC%= stream waste conrenirrtinn P/F = 1 assIVauI chronic test AC. = Acute CIIR = Chronic
Dntn Notation: f - l'ndrend Minnow: • - C.eriminphnin an.: Inv - Mvaid nloinm: ChV - Chronic vnlur: 1' - Mortality of stated irrrceninne ni blithest concentration; ni - Performed by D1IM Toe Ilvnl Gmun: M - Dnd test
Reporting Notation: --- .Data not required; NE - Not reported; ( ) - Beginning of Quarter facility Activity Sinful: 1 - Innetive, N - Newly Insned(I'o ron:1rueq; 11 • Active but nil dinrhnrging; f-More darn nvnllnblc for ntonrli In qurntlon SIG . ORC alltnniure needed
55
SUMMER
0.250 MGD
30 / MONITOR / 0
MODEL RESULTS
Discharger : YANCEYVILLE WASTE WATER TREATMENT PLANT
Receiving Stream : COUNTRY LINE CREEK
The End D.O. is 7.95 mg/1.
The End CBOD is 0.14 mg/1.
The End NBOD is 0.02 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flo
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 0.00 1.90 2
Reach 1
Reach 2
Reach 3
Reach 4
Reach 5
Reach 6
Reach 7
Reach 8
45.00 90.00 0.00 0.25000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
45.00 90.00 0.00 0.01800
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
Ynkr-aet I. ix
ww'P
uMwr*ic_-1
Seg
1
1
1
1
1
1
1
1
1
1
ilwx-taay 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
ft
Lj j CRcc
6lnok Ftf
o
ar fTt'tE
Cap )
1
1
1
1
1
1
1
1
1
# I Reach #
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
I Seg Mi
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
2.00
2.10
2.20
2.30
2.40
2.50
2.50
2.80
3.10
3.40
3.70
4.00
4.30
4.60
4.90
5.20
SUMMER
0.250 MGD
30 / MONITOR / 0
D.O. I CBOD I NBOD I Flow I
5.37 12.50 22.72 1.59
4.80 12.26 22.03 1.59
4.33 12.02 21.36 1.59
3.92 11.79 20.71 1.59
3.58 11.57 20.08 1.59
3.30 11.35 19.47 1.59
3.07 11.13 18.88 1.59
2.89 10.92 18.30 1.59
2.74 10.71 17.75 1.59
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4 5.20
4 5.60
4 6.00
4 6.40
4 6.80
4 7.20
4 7.60
4 8.00
4 8.40
4 8.80
4 9.20
4 9.60
4 10.00
5 10.00
5 10.50
5 11.00
5 11.50
5 12.00
5 12.50
2.96 10.29 16.95 1.67
2.47 10.07 16.33 1.67
2.04 9.85 15.74 1.67
1.65 9.64 15.18 1.67
1.31 9.43 14.63 1.67
1.01 9.22 14.10 1.68
0.76 9.02 13.59 1.68
0.54 8.82 13.10 1.68
0.35 8.63 12.63 1.68
0.20 8.44 12.17 1.68
0.07 8.26 11.73 1.68
o.ob 8.08 11.31 1.68
0.00 7.91 10.90 1.68
0.00 7.73 10.51 1.68
0.00 7.57 10.13 1.68
0.00 7.40 9.77 1.68
0.00 7.24 9.41 1.68
0.01 7.08 9.07 1.68
2.95 5.07 5.88 2.78
3.10 4.80 5.36 2.78
3.28 4.54 4.88 2.79
3.49 4.29 4.44 2.79
3.70 4.06 4.05 2.79
3.93 3.84 3.69 2.79
4.16 3.63 3.36 2.79
4.39 3.43 3.06 2.80
4.61 3.25 2.79 2.80
4.83 3.07 2.54 2.80
4.83 3.07 2.54 .80-
4.52 2.79 2.16 2.80
4.33 2.54 1.83 2.80
4.22 2.31 1.56 2.81
4.18 2.10 1.32 2.81
4.19 1.91 1.12 2.81
4.25 1.74 0.95 2.81
4.34 1.58 0.81 2.82
4.46 1.44 0.69 2.82
4.59 1.31 0.59 2.82
4.74 1.19 0.50 2.82
4.90 1.08 0.42 2.83
5.06 0.99 0.36 2.83
5.01 1.42 1.24 2.86
5.47 1.29 1.05 2.86
5.86 1.17 0.89 2.86
6.19 1.06 0.75 2.86
6.47 0.96 0.64 2.87
6.71 0.87 0.54 2.87
1
1
1
1
1
1
1
1
1
1
1
1
1
1
K•LC-04 _ CacF t_ 1
1
1
1
1
1
1
1
1
1
5 13.00 6.92 0.79 0.46 2.87
5 13.50 7.10 0.72 0.39 2.88
5 14.00 7.25 0.65 0.33 2.88
5 14.50 7.38 0.59 0.28 2.88
5 15.00 7.50 0.54 0.24 2.89
6 15.00 7.49 0.58 0.26 2.98
6 15.11 7.50 0.57 0.25 2.98
6 15.22 7.51 0.56 0.24 2.98
6 15.33 7.52 0.55 0.23 2.98
6 15.44 7.53 0.53 0.22 2.98
6 15.55 7.53 0.52 0.22 2.98
6 15.66 7.54 0.51 0.21 2.98
6 15.77 7.55 0.50 0.20 2.98
6 15.88 7.56 0.49 0.19 2.98
7 15.88 7.56 0.49 0.19 23-81__
7 16.48 7.61 0.43 0.15 2.98
7 17.08 7.65 0.38 0.13 2.99
7 17.68 7.70 0.34 0.10 2.99
7 18.28 7.75 0.30 0.08 3.00
7 18.88 7.80 0.26 0.07 3.00
7 19.48 7.84 0.23 0.05 3.00
7 20.08 7.88 0.21 0.05 3.01
7 20.68 7.92 0.19 0.04 3.01
7 21.28 7.95 0.16 0.03 3.01
1
1
1
1
1
1
1
1
I Seg #
8 21.28 7.95 0.16 0.03 3.01
8 21.38 7.95 0.16 0.03 3.01
8 21.48 7.95 0.16 0.03 3.01
8 21.58 7.95 0.15 0.03 3.01
8 21.68 7.95 0.15 0.03 3.02
8 21.78 7.95 0.15 0.03 3.02
8 21.88 7.95 0.14 0.02 3.02
8 21.98 7.95 0.14 0.02 3.02
Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I
*** MODEL SUMMARY DATA ***
Discharger : YANCEYVILLE WASTE WATER TREATMENT PLANT Subbasin : 0302
Receiving Stream : COUNTRY LINE CREEK Stream Class: C
Summer 7Q10 : 1.2 Winter 7Q10 : 4.9
Design Temperature: 25.0
ILENGTHI SLOPE' VELOCITY 1 DEPTHI Kd I Kd I Ka 1 Ka I KN 1 KN I KNR 1 KNR I SOD I SOD
I mile 1 ft/mil fps 1 ft (design' @20 'design) @20 'design' @20 'design@20 'design' @20
1 1 1 1 1 1 1 1 1 1 1 1 I I
Segment 1 I 0.80) 9.101 0.088 1 1.10 10.27 10.22 1 1.61 I 1.441 0.44 10.30 1 0.44 1 0.00 10.00 1 0.00
Reach 1 1 I I I I I I I I I I I I
1 I 1 1 1 1 1 1 1 1 1 1 I I
Segment 1 1 1.70 I 4.901 0.074 1 1.23 10.26 10.21 1 0.73 1 0.651 0.44 10.30 10.44 1 0.00 10.00 10.00
Reach 2 1 I I I I I I I I I I I I
1 1 1 I I 1 1 1 I 1 I 1 1 1 1
Segment 1 I 2.701 4.901 0.087 11.46 1 0.26 1 0.21 10.86 1 0.771 0.44 1 0.30 1 0.44 1 0.00 1 0.00 10.00 1
Reach 3
I I 1 1 1 I 1 1 I I I 1 I 1 I
Segment 1 I 4.801 2.001 0.066 1 1.68 10.26 1 0.20 10.27 I 0.241 0.44 1 0.30 1 0.44 1 0.00 1 0.00 1 0.00 I
Reach 9 1 I I I I I I I I I I I I
1 1 I I I I I I 1 I I I 1
Segment 1 I 5.00 I 4.201 0.081 1 1.53 1 0.26 1 0.21 10.69 I 0.621 0.44 10.30 10.44 10.00 10.00 10.00
Reach 5 1 I I I I I I I I I I I I
1 I I 1 1 I 1 1 1 I I 1 1 1
Segment 1 I 0.881 3.001 0.075 11.63 1 0.26 1 0.21 10.45 I 0.401 0.44 10.30 1 0.44 1 0.00 1 0.00 10.00
Reach 6 1 I I I I I I I I I I I I
I I I 1 1 1 I I I I I I I I
Segment 1 1 5.401 3.001 0.074 1 1.64 1 0.26 1 0.21 10.45 I 0.401 0.44 1 0.30 10.44 1 0.00 1 0.00 10.00
Reach 7 1 I I I I I I I I I I I I
1 I 1 I I 1 1 I I I I I I
Segment 1 I 0.701 1.701 0.062 1 1.80 10.26 10.20 1 0.21 I 0.191 0.44 10.30 10.44 10.00 10.00 10.00
Reach 8 1 I I I I I I I I I I I I
I Flow I CBOD I NBOD I D.O. I
1 cfs I mg/1 I mg/1 I mg/1 I
Segment 1 Reach 1
Waste I 0.388 145.000 190.000 I 0.000
Headwaters' 1.200 I 2.000 I 1.000 I 7.100
Tributary 1 0.000 I 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 2
Waste 1 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.080 I 2.000 I 1.000 I 7..440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 3
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 1.100 i 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 4
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.000 I 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 5
Waste I 0.028 145.000 190.000 I 0.000
Tributary I 0.000 I 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 6
Waste I 0.000 I .0.000 I 0.000 I 0.000
Tributary I 0.090 I 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 7
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.000 I, 2.000 I 1.000 i 0.000
* Runoff I 0.006 I 2.000 I 1.000 I 0.000
Segment 1 Reach 8
Waste I 0.000 I 0.000.) 0.000 I 0.000
Tributary I 0.000 I 2.000 I 1.000 I 0.000
* Runoff I 0.006 I 2.000 I 1.000 I 0.000
* Runoff flow is in cfs/mile
SUMMER
0.450 MGD
18 / 2.3 / 5
MODEL RESULTS
Discharger : YANCEYVILLE WASTE WATER TREATMENT PLANT
Receiving Stream : COUNTRY LINE CREEK
The End D.O. is 7.96 mg/l.
The End CBOD is 0.17 mg/1.
The End NBOD is 0.02 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flo
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 5.00 2.50 2
Reach 1
Reach 2
Reach 3
Reach 4
Reach 5
Reach 6
Reach 7
Reach 8
27.00 10.35 5.00 0.45000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
45.00 90.00 0.00 0.01800
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
SUMMER
0.450 MGD
18 / 2.3 / 5
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I
1 1 0.00 6.33 11.19 4.44 1.90
""`z`` "`E.
w�'cP 1 1 0.10 6.25' 11.00 4.32 1.90
1 1 0.20 6.18' 10.82 4.20 1.90
1 1 0.30 6.12' 10.63 4.09 1.90
1 1 0.40 6.08' 10.45 3.98 1.90
1 1 0.50 6.05/ 10.28 3.88 1.90
1 1 0.60 6.02' 10.10 3.77 1.90
1 1 0.70 6.01° 9.93 3.67 1.90
1 1 0.80 6.00' 9.77 3.58 1.90
1 2 0.80 6.06' 9.45 3.47 1.98
'' `.,(Am `, 1 2 0.90 5.90v 9.27 3.36 1.98
*e`l`tlw-`1 1 2 1.00 5.77/ 9.09 3.26 1.98
1 2 1.10 5.65' 8.92 3.15 1.98
1 2 1.20 5.54' 8.75 3.05 1.98
1 2 1.30 5.44- 8.58 2.95 1.99
1 2 1.40 5.36' 8.41 2.86 1.99
1 2 1.50 5.29' 8.25 2.77 1.99
1 2 1.60 5.22- 8.09 2.68 1.99
1 2 1.70 5.17' 7.94 2.60 1.99
1 2 1.80 5.12= 7.78 2.51 1.99
1 2 1.90 5.09' 7.63 2.43 1.99
1 2 2.00 5.06 7.49 2.36 1.99
1 2 2.10 5.03- 7.34 2.28 1.99
1 2 2.20 5.02' 7.20 2.21 1.99
1 2 2.30 5.011 7.06 2.14 1.99
1 2 2.40 5.00 6.93 2.07 1.99
1 2 2.50 5.00e 6.79 2.01 1.99
s.c+ 5 1 3 2.50 5.87, 5.09 1.65 3.09
L'Cae,e.t 1 3 2.80 5.91• 4.83 1.51 3.09
1 3 3.10 5.96' 4.59 1.39 3.10
1 3 3.40 6.03. 4.36 1.27 3.10
1 3 3.70 6.10- 4.14 1.17 3.10
1 3 4.00 6.18' 3.93 1.07 3.10
1 3 4.30 6.26- 3.73 0.98 3.10
1 3 4.60 6.35' 3.54 0.90 3.11
1 3 4.90 6.44' 3.37 0.83 3.11
1 3 5.20 6.52 3.20 0.76 3.11
1 4 5.2-0 6.52' 3.20 0.76 3.11
1 4 5.60 6.33.' 2.93 0.65 3.11
1 4 6.00 6.19r 2.68 0.56 3.11
1 4 6.40 6.09- 2.46 0.49 3.12
1 4 6.80 6.04' 2.25 0.42 3.12
1 4 7.20 6.01k 2.06 0.36 3.12
1 4 7.60 6.01-- 1.89 0.31 3.12
1 4 8.00 6.03- 1.73 0.27 3.13
1 4 8.40 6.06., 1.58 0.23 3.13
1 4 8.80 6.11- 1.45 0.20 3.13
1 4 9.20 6.17- 1.33 0.17 3.13
1 4 9.60 6.24, 1.22 0.15 3.14
1 4 10.00 6.31- 1.12 0.13 3.14
61 yDITI4 1 5 10.00 6.26" 1.50 0.92 3.17
Ihs'' 1 5 10.50 6.48- 1.37 0.79 3.17
1 5 11.00 6.68- 1.25 0.68 3.17
1 5 11.50 6.86' 1.15 0.58 3.17
1 5 12.00 7.02- 1.05 0.50 3.18
1 5 12.50 7.16. 0.96 0.43 3.18
1 5 13.00 7.28' 0.87 0.37 3.18
1 5 13.50 7.39' 0.80 0.32 3.19
1 5 14.00 7.49' 0.73 0.27 3.19
1 5 14.50 7.57' 0.67 0.23 3.19
1 5 15.00 7.65• 0.61 0.20 3.20
1 -6 13 00 7.64 0.65 0.22 3.29
1 6 15.11 7.65/ 0.64 0.22 3.29
1 6 15.22 7.65' 0.62 0.21 3.29
1 6 15.33 7.6a 0.61 0.20 3.29
1 6 15.44 7.66- 0.60 0.19 3.29
1 6 15.55 7.66 0.58 0.19 3.29
1 6 15.66 7.67' 0.57 0.18 3.29
1 6 15.77 7.67- 0.56 0.17 3.29
1 6 15.88 7.68- 0.55 0.17 3.29
Kew, Cerk l 7 15.88 7.68 0.55 0.17 3.29
1 7 16.48 7.70- 0.49 0.14 3.29
1 7 17.08 7.73- 0.44 0.11 3.30
1 7 17.68 7.7T 0.39 0.09 3.30
1 7 18.28 7.81' 0.35 0.08 3.31
1 7 18.88 7.84" 0.31 0.06 3.31
1 7 19.48 7.88 0.28 0.05 3.31
1 7 20.08 7.9r 0.25 0.04 3.32
1 7 20.68 7.94- 0.22 0.04 3.32
1 7 21.28 7.970.20 0.03 3.32
1 8 21.28 7.9 - 0.20 0.03 3.32---
1 8 21.38 7.97 0.19 0.03 3.32
1 8 21.48 7.96- 0.19 0.03 3.32
1 8 21.58 7.96 0.19 0.03 3.32
1 8 21.68 7.96 0.18 0.03 3.33
1 8 21.78 7.96 0.18 0.03 3.33
1 8 21.88 7.96 0.17 0.03 3.33
1 8 21.98 7.96 0.17 0.02 3.33
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I
*** MODEL SUMMARY DATA ***
Discharger : YANCEYVILLE WASTE WATER TREATMENT PLANT Subbasin : 0302
Receiving Stream : COUNTRY LINE CREEK Stream Class: C
Summer 7Q10 : 1.2 Winter 7Q10 : 4.9
Design Temperature: 25.0
(LENGTH' SLOPE' VELOCITY 1 DEPTH' Kd I Kd I Ka 1 Ka I KN I KN I KNR 1 KNR I SOD I SOD
1 mile I ft/mil fps 1 ft )design' @20 'design) @20 'design' @20 'design) @20 'design' @20
1 I 1 1 I 1 I 1 1 1 I 1 I I
Segment 1 I 0.801 9.101 0.101 1 1.12 1 0.28 1 0.22 11.84 I 1.650.44 1 0.30 10.44 10.00 1 0.00 1 0.00
Reach 1 1 I I I I I I I I I I I I
I 1 1 1 1 1 1 1 1 1 1 1 1
Segment 1 I 1.701 4.901 0.084 1 1.26 1 0.26 1 0.21 1 0.83 I 0.741 0.44 1 0.30 10.44 1 0.00 10.00 1 0.00
Reach 2 1 1 I I I I I I I I I I
I 1 1 •I 1 1 1 1 I 1 1 1 1 I
Segment 1 1 2.701 4.901 0.094 11.48 1 0.26 1 0.21 1 0.93 1 0.831 0.44 1 0.30 1 0.44 1 0.00 10.00 10.00
Reach 3 1 I I I I I I I I I I 1 I
I 1 1 1 1 1 1 1 1 1 I 1 I I
Segment 1 1 4.801 2.00' 0.072 1 1.71 10.26 10.20 10.29 1 0.261 0.44 1 0.30 10.44 10.00 1 0.00 10.00
Reach 4 1 I I I I I I I I I I I
1 1 1 1 1 1 1 I I 1 1 1 I
Segment 1 1 5.001 4.201 0.088 1 1.55 1 0.26 1 0.21 10.74 I 0.661 0.44 10.30 1 0.44 1 0.00 10.00 1 0.00
Reach 5 1 I I I I I I I I I I I I
I 1 I I I I I I I I I I I I
Segment 1 1 0.881 3.001 0.081 1 1.65 1 0.26 1 0.21 1 0.48 I 0.431 0.44 1 0.30 1 0.44 10.00 1 0.00 1 0.00
Reach 6 1 I I I I I I I I I I I I
I I 1 1 I 1 1 1 1 1 1 1 I I
Segment 1 I 5.401 3.001 0.080 11.66 1 0.26 1 0.21 1 0.48 I 0.431 0.44 10.30 10.44 10.00 1 0.00 10.00
Reach 7 1 I I I I I I I I I I I I
I 1 I 1 1 I 1 1 1 1 1 1 1 I
Segment 1 1 0.701 1.701 0.067 11.82 10.26 1 .0.20 10.23 1 0.211 0.44 1 0.30 1 0.44 10.00 1 0.00 1 0.00
Reach 8( I I I I I I I I I I I I
1 Flow 1 CBOD I NBOD 1 D.O. I
I cfs I mg/1 1 mg/1 1 mg/1
Segment 1 Reach 1
Waste I 0.698 1 27.000 1 10.350 I 5.000
Headwaters' 1.200 I 2.000 1 1.000 1 7.100
Tributary I 0.000 I 2.000 1 1.000 1 7.440
* Runoff I 0.006 1 2.000 I 1.000 1 7.440
Segment 1 Reach 2
Waste I 0.000 i 0.000 I 0.000 1 0.000
Tributary I 0.080 I 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 3
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 1.100 I 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 4
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.000 I 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 5
Waste I 0.028 145.000 190.000 I 0.000
Tributary I 0.000 I 2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 6
Waste I 0.000 I 0.000 I 0.000 i 0.000
Tributary I 0.090 I i2.000 I 1.000 I 7.440
* Runoff I 0.006 I 2.000 I 1.000 I 7.440
Segment 1 Reach 7
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.000 I 2.000 I 1.000 I 0.000
* Runoff I 0.006 I 2.000 I 1.000 I 0.000
Segment 1 Reach 8
Waste I 0.000 I 0.000 I 0.000 I 0.000
Tributary I 0.000 I 2.000 I 1.000 I 0.000
* Runoff I 0.006 I 2.000 I 1.000 I 0.000
* Runoff flow is in cfs/mile
SUMMER
0.450 MGD
28 / 2.3 / 5
I Seg # I Reach # I Seg Mi I D.O. I CBOD 1 NBOD I Flow I
1 1 0.00 6.33- 16.70 4.44 1.90
1 1 0.10 6.16. 16.42 4.32 1.90
1 1 0.20 6.02- 16.14 4.20 1.90
1 1 0.30 5.90 15.87 4.09 1.90
1 1 0.40 5.79✓ 15.60 3.98 1.90
1 1 0.50 5.71' 15.34 3.88 1.90
1 1 0.60 5.64 15.08 3.77 1.90
1 1 0.70 5.59- 14.83 3.67 1.90
1 1 0.80 5.55 14.58 3.58 1.90
1 2 0.80 5.62- 14.07 3.47 1.98
1 2 0.90 5.41z 13.80 3.36 1.98
1 2 1.00 5.22- 13.53 3.26 1.98
1 2 1.10 5.05 13.27 3.15 1.98
1 2 1.20 4.90 13.02 3.05 1.98
1 2 1.30 4.76 12.76 2.95 1.99
1 2 1.40 4.64- 12.52 2.86 1.99
1 2 1.50 4.53 12.28 2.77 1.99
1 2 1.60 4.44- 12.04 2.68 1.99
1 2 1.70 4.36 11.81 2.60 1.99
1 2 1.80 4.29- 11.58 2.51 1.99
1 2 1.90 4.23- 11.36 2.43 1.99
1 2 2.00 4.18' 11.14 2.36 1.99
1 2 2.10 4.14* 10.92 2.28 1.99
1 2 2.20 4.11 10.71 2.21 1.99
1 2 2.30 4.09 10.51 2.14 1.99
1 2 2.40 4.07 10.30 2.07 1.99
1 2 2.50 4.06 10.11 2.01 1.99
1 3 2.50 5.27• 7.22 1.65 3.09
1 3 2.80 5.31 6.86 1.51 3.09
1 3 3.10 5.37- 6.51 1.39 3.10
1 3 3.40 5.44- 6.18 1.27 3.10
1 3 3.70 5.51 5.87 1.17 3.10
1 3 4.00 5.63 5.58 1.07 3.10
1 3 4.30 5.73" 5.30 0.98 3.10
1 3 4.60 5.83" 5.03 0.90 3.11
1 3 4.90 5.93- 4.78 0.83 3.11
1 3 5.20 6.04` 4.54 0.76 3.11
1 4 5.20 6.04- 4.54 0.76 3.11
1 4 5.60 5.78- 4.15 0.65 3.11
1 4 6.00 5.60 3.80 0.56 3.11
1 4 6.40 5.47- 3.48 0.49 3.12
1 4 6.80 5.39- 3.19 0.42 3.12
1 4 7.20 5.35` 2.92 0.36 3.12
1 4 7.60 5.34-- 2.67 0.31 3.12
1 4 8.00 5.36- 2.45 0.27 3.13
1 4 8.40 5.40- 2.24 0.23 3.13
1 4 8.80 5.46- 2.05 0.20 3.13
1 4 9.20 5.53- 1.88 0.17 3.13
1 4 9.60 5.61- 1.72 0.15 3.14
1 4 10.00 5.71✓ 1.58 0.13 3.14
1 5 10.00 5.65` 1.96 0.92 3.17
1 5 10.50 5.98- 1.79 0.79 3.17
1 5 11.00 6.27 1.64 0.68 3.17
1 5 11.50 6.51- 1.49 0.58 3.17
1 5 12.00 6.72= 1.36 0.50 3.18
1 5 12.50 6.90-- 1.25 0.43 3.18
1 5 13.00 7.06 / 1.14 0.37 3.18
1 5 13.50 7.20- 1.04 0.32 3.19
1 5 14.00 7.32'' 0.95 0.27 3.19
1 5 14.50 7.437 0.87 0.23 3.19
1 5 15.00 7.52/ 0.80 0.20 3.20
1 6 15.00 7.52/. 0.83 0.22 3.29
1 6 15.11 7.52� 0.81 0.22 3.29
1 6 15.22 7.53 0.79 0.21 3.29
1 6 15.33 7.5a- 0.78 0.20 3.29
1 6 15.44 7.54" 0.76 0.19 3.29
1 6 15.55 7.54/ 0.74 0.19 3.29
1 6 15.66 7.55' 0.73 0.18 3.29
1 6 15.77 7.56' 0.71 0.17 3.29
1 6 15.88 7.56•' 0.70 0.17 3.29
1 7 15.88 7.56' 0.70 0.17 3.29
1 7 16.48 7.60- 0.62 0.14 3.29
1 7 17.08 7.64• 0.55 0.11 3.30
1 7 17.68 7.68' 0.49 0.09 3.30
1 7 18.28 7.72/ 0.44 0.08 3.31
1 7 18.88 7.77, 0.39 0.06 3.31
1 7 19.48 7.81' 0.35 0.05 3.31
1 7 20.08 7.850.31 0.04 3.32
1 7 20.68 7.88/ 0.28 0.04 3.32
1 7 21.28 7.92' 0.25 0.03 3.32
1 8 21.28 7.92' 0.25 0.03 3.32
1 8 21.38 7.91- 0.24 0.03 3.32
1 8 21.48 7.91 0.24 0.03 3.32
1 8 21.58 7.91 0.23 0.03 3.32
1 8 21.68 7.91 0.23 0.03 3.33
1 8 21.78 7.91 0.22 0.03 3.33
1 8 21.88 7.91 0.22 0.03 3.33
1 8 21.98 7.91 0.21 0.02 3.33
Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I
SUMMER
0.600 MGD
15 / 2 / 5
MODEL RESULTS
Discharger : YANCEYVILLE WASTE WATER TREATMENT PLANT
Receiving Stream : COUNTRY LINE CREEK
The End D.O. is 7.94 mg/1.
The End CBOD is 0.21 mg/1.
The End NBOD is 0.03 mg/1.
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flo
(mg/1) Milepoint Reach # (mg/1) (mg/1) (mg/1) (mgd)
Segment 1 5.05 2.50 2
Reach 1
Reach 2
Reach 3
Reach 4
Reach 5
Reach 6
Reach 7
Reach 8
24.00 9.00 5.00 0.60000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
45.00 90.00 0.00 0.01800
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
0.00 0.00 0.00 0.00000
I Seg
�GJ',EYv�LuC 1
wu--ra 1
1
1
1
1
1
1
1
Li1
6ttat1
SotTH
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
CANTVI1
clirt 1
1
1
1
1
1
1
1
1
# I Reach #
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
I Seg Mi
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
2.00
2.10
2.20
2.30
2.40
2.50
1 4
1 4
1 4
1 4
1 4
1 4
1 4
1 4
1 4
1 4
1 4
1 4
1 4
GIANct c '1n11-11 5
ms1m'- 1 5
1 5
1 5
1 5
1 5
2.50
2.80
3.10
3.40
3.70
4.00
4.30
4.60
4.90
5.20
5.20
5.60
6.00
6.40
6.80
7.20
7.60
8.00
8.40
8.80
9.20
9.60
10.00
10.00
10.50
11.00
11.50
12.00
12.50
D.O. I
6.18
6.13,
6.09*.
6.06'
6.04.1
6.02'
6.01'
6.01"
6.06v
5.9 2,
5.79'
5.677
5.57vv
5.48,
5.40v
5.33,
5.27-
5.22-
5.18"
5.14r
5.11�
5.09✓
5.07'
5.06-"
5.05'
5.05"
5.84'-
5.87V
5.92y
5.98-
6.05./
6.12./
6.20"
6.28t
6.37�
6.45�
6.45-
6.24--
6.09
5.98"
5.91`
5.87�
5.87
5.88--
5.91
5.96'
6.08-
6 15-
6.10�
6.37--
6.59�
6.79-
6.96-
7.11--
CBOD
11.61
11.42
11.25
11.07
10.90
10.73
10.56
10.40
10.24
9.94
9.76
9.59
9.42
9.25
9.09
8.92
8.77
8.61
8.46
8.31
8.16
8.01
7.87
7.73
7.59
7.46
7.32
5.56
5.30
5.04
4.80
4.57
4.35
4.15
3.95
3.76
3.58
3.58
3.29
3.03
2.79
2.56
2.36
2.17
2.00
1.84
1.69
1.56
1.43
1,32
1.68
1.54
1.41
1.30
1.19
1.09
SUMMER
0.600
15 /
NBOD I
4.49
4.38
4.28
4.17
4.07
3.97
3.87
3.78
3.69
3.59
3.48
3.38
3.28
3.19
3.09
3.00
2.92
2.83
2.75
2.67
2.59
2.51
2.44
2.37
2.30
2.23
2.17
1.78
1.64
1.51
1.39
1.29
1.19
1.09
1.01
0.93
0.86
MGD
2 / 5
Flow I
2.13
2.13
2.13
2.13
2.13
2.13
2.13
2.13
2.13
2.21
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
2.22
3.32
3.33
3.33
3.33
3.33
3.33
3.34
3.34
3.34
3.34
0.86 3.34
0.74 3.34
0.64 3.35
0.56 3.35
0.48 3.35
0.42 3.35
0.36 3.36
0.32 3.36
0.28 3.36
0.24 3.36
0.21 3.37
0.18 3.37
0J$ 3.37
0.89 3.40
0.77 3.40
0.67 3.40
0.58 3.41
0.50 3.41
0.43 3.41
1 5 13.00 7.24' 1.00 0.38 3.42
1 5 13.50 7.35' 0.92 0.33 3.42
1 5 14.00 7.45/ 0.84 0.28 3.42
1 5 14.50 7.54/ 0.78 0.24 3.42
1 5 15.00 7.62' 0.71 0.21 3.43
1 6 15.00 7.61✓ 0.75 0.23 3.52
1 6 15.11 7.62, 0.73 0.22 3.52
1 6 15.22 7.62' 0.72 0.22 3.52
1 6 15.33 7.62' 0.70 0.21 3.52
1 6 15.44 7.63'/ 0.69 0.20 3.52
1 6 15.55 7.63• 0.67 0.20 3.52
1 6 15.66 7.64' 0.66 0.19 3.52
1 6 15.77 7.64'' 0.65 0.18 3.52
1 6 15.88 7.65/ 0.63 0.18 3.52
K, c.r1 7 15.88 7. 65- 0.63 0.18 3.52
1 7 16.48 7.68' 0.57 0.15 3.53
1 7 17.08 7.71' 0.51 0.12 3.53
1 7 17.68 7.74' 0.46 0.10 3.53
1 7 18.28 7.78' 0.41 0.08 3.54
1 7 18.88 7.820.37 0.07 3.54
1 7 19.48 7.85-' 0.33 0.06 3.54
1 7 20.08 7.8e 0.29 0.05 3.55
1 7 20.68 7.92 0.26 0.04 3.55
1 7 . 21.28 7.95 0.24 0.03 3„56
1 8 21.28 7.95 0.24 0.03 3.56
1 8 21.38 7.94 0.23 0.03 3.56
1 8 21.48 7.94 0.23 0.03 3.56
1 8 21.58 7.94- 0.22 0.03 3.56
1 8 21.68 7.94- 0.22 0.03 3.56
1 8 21.78 7.94- 0.21 0.03 3.56
1 8 21.88 7.94' 0.21 0.03 3.56
1 8 21.98 7.941 0.21 0.03 3.56
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I
*** MODEL SUMMARY DATA ***
Discharger : YANCEYVILLE WASTE WATER TREATMENT PLANT Subbasin : 0302•
Receiving Stream : COUNTRY LINE CREEK Stream Class: C
Summer 7Q10 : 1.2 Winter 7Q10 : 4.9
Design Temperature: 25.0
!LENGTH' SLOPE' VELOCITY 1 DEPTHI Kd I Kd 1 Ka 1 Ka I KN I KN 1 KNR I KNR I SOD 1 SOD
mile I ft/mil fps 1 ft 'design' @20 Idesignl @20 'design' @20 Idesign' @20 'design l @20
1 1 1 1 1 1 1 1 1 1 1 1 I I
Segment 1 1 0.801 9.101 0.110 1 1.14 1 0.28 1 0.22 1 2.01 1 1.801 0.44 1 0.30 1 0.44 1 0.00 1 0.00 10.00
Reach 1 1 I I I I I I I I I I I I
I 1 1 1 1 1 1 1 1 1 1 1 I I
Segment 1 I 1.701 4.901 0.091 11.27 1 0.27 1 0.21 1 0.90 1 0.811 0.44 1 0.30 1 0.44 10.00 10.00 10.00
Reach 2 1 I I I I I I I I I I I I
1 1 1 1 1 1 1 1 1 1 1 1 I I
Segment 1 1 2.701 4.901 0.099 1 1.50 1 0.26 1 0.21 1 0.98 1 0.881 0.44 1 0.30 1 0.44 1 0.00 10.00 10.00
Reach 3 1 I I I I I I I I I I I I
1 1 1 1 1 1 1 1 1 1 1 1 1 I
Segment 1 1 4.801 2.001 0.076 1 1.72 1 0.26 1 0.20 1 0.30 1 0.271 0.44 1 0.30 1 0.44 1 0.00 1 0.00 1 0.00
Reach 4 1 I I 1 I I I I I I I I I
1 1 1 1 1 1 1 1 1 1 1 1 I I
Segment 1 1 5.001 4.201 0.093 1 1.57 1 0.26 1 0.21 10.78 1 0.701 0.44 1 0.30 1 0.44 1 0.00 1 0.00 1 0.00
Reach 5 1 I I I I I I I I I I I 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1
Segment 1 1 0.881 3.001 0.085 1 1.66 1 0.26 1 0.21 1 0.51 1 0.461 0.44 1 0.30 1 0.44 1 0.00 1 0.00 1 0.00
Reach 6 1 I I I I I I I I I I I I
1 1 1 1 1 1 1 1 1 1 1 1 1 1
Segment 1 1 5.401 3.001 0.084 1.68 1 0.26 1 0.21 10.51 1 0.451 0.44 1 0.30 1 0.44 1 0.00 1 0.00 10.00
Reach 7 1 I I I I I I I I I I I I
1 1 1 1 1 1 1 1 1 1 1 1 I I
Segment 1 1 0.701 1.701 0.071 1 1.83 1 0.26 1 0.20 10.24 1 0.221 0.44 1 0.30 1 0.44 1 0.00 1 0.00 10.00
Reach 8 1 I I I I I I I I I I I I
I Flow 1 CBOD 1 NBOD 1 D.O. I
I cfs I mg/1 1 mg/1 1 mg/1 I
Segment 1 Reach 1
Waste I 0.930 1 24.000 1 9.000 I 5.000
Headwaters) 1.200 1 2.000 1 1.000 1 7.100
Tributary I 0.000 1 2.000 1 1.000 1 7.440
* Runoff I 0.006 1 2.000 1 1.000 1 7.440
Segment 1 Reach 2
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary 1 0.080 I 2.000 I 1.000 1 7.440
* Runoff 1 0.006 1 2.000 1 1.000 1 7.440
Segment 1 Reach 3
Waste 1 0.000 1 0.000 1 0.000 1 0.000
Tributary 1 1.100 1 2.000 I 1.000 1 7.440
* Runoff 1 0.006 1 2.000 1 1.000 1 7.440
Segment 1 Reach 4
Waste I 0.000 1 0.000 1 0.000 1 0.000
Tributary 1 0.000 1 2.000 1 1.000 1 7.440
* Runoff 1 0.006 1 2.000 1 1.000 1 7.440
Segment 1 Reach 5
Waste I 0.028 1 45.000 1 90.000 1 0.000
Tributary 1 0.000 1 2.000 1 1.000 1 7.440
* Runoff 1 0.006 1 2.000 1 1.000 1 7.440
Segment 1 Reach 6
Waste 1 0.000 1 0.000 1 0.000 1 0.000
Tributary 1 0.090 1 '2.000 1 1.000 I 7.440
* Runoff I 0.006 1 2.000 1 1.000 1 7.440
Segment 1 Reach 7
Waste 1 0.000 1 0.000 1 0.000 I 0.000
Tributary 1 0.000 1 2.000 1 1.000 I 0.000
* Runoff 1 0.006 1 2.000 1 1.000 1 0.000
Segment 1 Reach 8
Waste 1 0.000 I 0.000 1 0.000 1 0.000
Tributary 1 0.000 1 2.000 I 1.000 1 0.000
* Runoff 1 0.006 1 2.000 1 1.000 1 0.000
* Runoff flow is in cfs/mile
alley, Williams, carmen & king, inc.
BURLINGTON OFFICE
ENGINEERS & ARCHITECTS
p.o. box 1179 / 740 chapel hill road
burlington, north carolina 27216
telephone 910/226-5534
fax 910/226-3034
KANNAPOLIS OFFICE
CONSULTING ENGINEERS
p.o. box 1248 / 207 south main street
kannapolis, north carolina 28082
telephone 704/938-1515
fax 704/938-6810
ENGINEERING ANALYSIS
TOWN OF YANCEYVILLE
Proposed Permit Modification to increase design flow
from 0.45 MGD to 0.60 MGD
Prepared by: ALLEY, WILLIAMS, CARMEN & KING, INC.
Post Office Box 1179
Burlington, North Carolina 27215
Contact Person: Darrell L. Russell, P.E.
Date: March 6, 1995
GREENSBORO OFFICE
ENGINEERS & ARCHITECTS
300 east wendover avenue, suite 403
greensboro, north carolina 27401
telephone 910/378-2754
fax 910/378-2583
PLEASE REPLY TO:
Burlington
92164
The Town of Yanceyville currently holds NPDES Permit No. NC0040011 for the construction
and operation of a 0.45 MGD Wastewater Treatment Plant. The Town of Yanceyville is
currently making improvements to their plant to upgrade the plant performance and increase the
design flow from 0.25 MGD to 0.45 MGD design capacity.
During the past six months, there has been development activities in the Yanceyville area which
has lead the Town Council to provide additional capacity over the previously approved 0.45
MGD amount. These developments include the prior announcement of a State Department of
Corrections Prison Farm at Yanceyville which will require approximately 60,000 GPD of
wastewater. Also Magder Studios has recently initiated construction of their project which could
generate significant flows when fully developed. It was apparent to the Town Council that
additional capacity should be provided at this time to replace capacity already known to be used.
In summary, the Town did not want to complete an expansion of their plant and be at full capacity
immediately after startup. This engineering analysis and the accompanying request for permit
modification are intended to provide an additional 0.15 MGD of capacity at the plant for a total
design flow of 0.60 MGD.
LAURENCE A. ALLEY, P.E.
FRANZ K. HOLT. P.E.
JEFFERY D. MOODY, P.E.
JAMES COVINGTON, P.E.
HERBERT A. CARMEN, AIA
KENNETH D. STAFFORD. AIA
DEMETREOS N. CALLINICOS, AIA, RIBA
CHARLES E. THEISEN, NCARB, AIA
R. DAVID APPLEYARD, AIA
-1-
DARRELL L. RUSSELL, PE.
MARK D. REICH. P.E.
G. WESLEY WEBB. P.E.
WAYNE B. PERRY, R-L-S
A. Process Description
The Town of Yanceyville is currently enlarging their treatment plant capacity utilizing a
Sequencing Batch Reactor (SBR) process. An SBR plant is a form of the activated sludge
process; however, it is considered batch treatment instead of continuous flow.
The following table summarizes the changes in design required to increase the design capacity
from 0.45 to 0.60 MGD.
Item
For Design Flow
of 0.45 MGD
For Design Flow
of 0.60 MGD
1. Influent Pumping 2-632 GPM Pumps 2-564 GPM Pumps
2. SBR Tank Length 62 Ft. 1 Total 84 Ft. 1 Total
3. SBR Prereaction Zone 10 Ft. / 72 Ft. 12 Ft. / 96 Ft.
4. Flow Equalization Tank Width 20 Ft. 27 Ft.
5. Chlorine Contact Channel Width 4'-0" 5'-6"
6. Aeration Equipment (floating aerators) 72 HP 100 HP
Attached is a copy of the preliminary SBR Design Summary for the proposed Yanceyville
expansion to 0.60 MGD design capacity. The summary is based on using an Aqua -Aerobic, Inc.
SBR system, (the supplier of the existing equipment being utilized for the present construction).
B. Cost of Improvements
The cost to upgrade and enlarge the Yanceyville wastewater treatment plant from 0.25 MGD to
0.45 MGD capacity is approximately $1,000,000.00. Based on economics of scale, it is estimated
to cost another $110,000.00 to add the additional 150,000 GPD of capacity. The cost per gallon
for the proposed expansion to 0.60 MGD is approximately $0.70 per gallon. When compared to
the initial upgrade to 0.45 MGD of $5.00 per gallon, the proposed modifications to increase the
capacity at this time are very favorable.
C. Anticipated Treatment Plant Performance
The existing and proposed effluent discharges to County Line Creek, a class C stream. The
proposed expansion is designed to meet or exceed with the following effluent limits:
BOD5 - 25 mg/I
SS - 30 mg/1
Ammonia - 2 mg/1
alley, williams, carmen & king, inc.
-2-
To: Permits and Engineering Unit
Water Quality Section
Attention: Susan Robson
Date Aprjl_26, 1995
NPDES STAFF REPORT AND RECOMMENDATION
County Caswell
Permit No. NC0040011
PART I - GENERAL INFORMATION
1. Facility and Address: Town of Yanceyville WWTP
200 East Church Street
Yanceyville, NC 27379
2. Date of Investigation: April 24, 1995
3. Report Prepared by: Jim Johnston
4. Persons Contacted and Telephone Number:
Bill Carter (ORC) (919) 694-4227
5. Directions to Site: From WSRO take US 158E to Yanceyville.
Turn right on NCSR 1163, turn left to NCSR 1743 and follow
to the end.
6. Discharge Point(s), List for all discharge points:
Latitude: 36a 23 19
Longitude: 79e 20/' 27�
Attach a USGS map extract and indicate treatment facility
site and discharge point on map.
U.S.G.S. Quad No. B21NE_ U.S.G.S. Quad Name Yanceyville
7. Site size and expansion area consistent with application ?
X Yes No If No, explain:
8. Topography (relationship to flood plain included):
Facility on a hill above the flood plain.
9. Location of nearest dwelling: None within 1000 feet.
10. Receiving stream or affected surface waters: Country Line
Creek
a. Classification: C
b. River Basin and Subbasin No.: 030204
c. Describe receiving stream features and pertinent
downstream uses: Agricultural.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of Wastewater to be permitted: .60 MGD(Ultimate
Design Capacity)
b. What is the current permitted capacity of the Waste
Water Treatment facility? .25MGD
c. Actual treatment capacity of the current facility
(current design capacity)? .25MGD
d. Date(s) and construction activities allowed by previous
Authorizations to Construct issued in the previous two
years: issued 7-26-93. Expansion from .25 MGD to .45
MGD.
e. Please provide a description of existing or
substantially constructed wastewater treatment
facilities: Existing. Influent screening,
stabilization lagoon withn surface aerators, alum
addition, final filtration, chlorination, effluent flow
measurement, cascade aeration.
f. Please provide a description of proposed wastewater
treatment facilities: Influent pumps, Automatic bar
screen, Manual grit removal, Sequencing Batch Reactor
Activated Sludge Units, Influent flow measuring, Final
filtration, chlorination, dechlorination, cascade
aeration, and sludge holding lagoon.
g•
Possible toxic impacts to surface waters: N/A
h. Pretreatment Program (POTWs only): Pretreatment
Program has been in Raleigh for two years awaiting
approval.
2. Residuals handling and utilization/disposal scheme:
Holding lagoon. Land application will be by condtract
with a private company whenever removal of sludge
becomes necessary.
NPDES Permit Staff Report
Version 10/92
Page 2
a. If residuals are being land applied, please specify DEM
permit no. Na
b. Residuals stabilization: PSRP X
PFRP Other
c. Landfill:
d. Other disposal/utilization scheme (Specify):
lagoon storage
3. Treatment plant classification (attach completed rating
sheet): Class II
4. SIC Code(s): 4952
Wastewater Code(s)
Primary 01 Secondary 02_10 11_55
Main Treatment Unit Code: 301X0(existtng) 131X0
(proposed)
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grant
Funds or are any public monies involved. (municipals only)?
with grant money and public funds.
2. Special monitoring or limitations (including toxicity)
requests: There have been some violations from the industry,.
Pretreatment should be consulted for any special
monitoring requirements.
3. Important SOC, JOC or Compliance Schedule dates: (Please
indicate) N/A
Submission of Plans and Specifications
Begin Construction
Complete Construction
4. Alternative Analysis Evaluation: Has the facility evaluated
all of the non -discharge options available. Please provide
regional perspective for each option evaluated.
Spray Irrigation: N/A
NPDES Permit Staff Report
Version 10/92
Date
Page 3
Connection to Regional Sewer System: N/A
Subsurface: N/A
Other disposal options:
5. Other Special Items: The sludge management plan should be
presented to EPA for a determination on what effect the 503
Regs. will have on the way Yanceyville handles its sludge.
PART IV - EVALUATION AND RECONNENDATIONS
It is recommended that the permit be issued with a flow
of .60 MGD once an Authorization to Construct has been issued and
the plant completes construction. It is recommended that NPDES
permit NC0040011 be issued in accordance with Division Policy.
Signature of report preparer
.94
Water Quality Regional Supervisor
r --/- .15
Date
NPDES Permit Staff Report
Version 10/92
Page 4