NC0040045_Wasteload Allocation_19900907

NPDES DOCUMENT SCANNING, COVER SKEET
NPDES Permit:
NC0040045
Bill's Truck Stop WWTP
Document Type:
Permit Issuance
Wasteload Allocation -
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Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Staff Report
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
September 7, 1990
This document is printed on reuse paper - ixnore any
content on the reirerrae side

NPDES WASTE LOAD ALLOCATION
PERMIT NO.: NC0040045
PERMITTEE NAME: Bill's Truck Stop
Facility Status: Existing
Permit Status: Modification
Major Minor
Pipe No.: 001
Design Capacity: 0.006. MGD
Domestic (% of Flow): 100*
Industrial (% of Flow): 0 %
Comments:
Relocation of outfall - see attached.
* "showers, bathrooms and the restaurant"
STREAM INDEX: 12-111
RECEIVING STREAM: South Potts Creek
Class: C
Sub -Basin: 03-07-04
Reference USGS Quad: D17SE, Lexington W.
(please attach)
County: Davidson
Regional Office: Winston-Salem Regional Office
Previous Exp. Date: 8/31/93 Treatment Plant Class:
Classification changes within three miles:
C to High Rock Lake (WS-III &B?)
Requested by:
Prepared by:
Reviewed by:
Dui 13S
DEL
Jule Shanklin
Date: 8/10/90
Date: ? 1-9 v
Date: q C)
7
0
Modeler
Date Rec.
#
C.An:
$i(31 90
5S L3
/ 143 2
Drainage Area (mi ) t aZ , 7 Avg. Streamflow (cfs): 1 1. 7
7Q10 (cfs) j, 1 7 Winter 7Q10 (cfs) a• ,1 30Q2 (cfs) z- • �3
Toxicity Limits: IWC % Acute/Chronic
Instream Monitoring:
Parameters
Upstream Location
Downstream Location
Effluent
Characteristics
BOD5 (mg/1)
3 0
NH3-N (mg/1)
wtionilvrl,
D.O. (mg/1)
.. - 1 i .14.,:f
TSS (mg/1)
30
F. Col. (/100 ml)
A 60
pH (SU)
to — 9
CYliorine Loll()
N+ari i-or
0-( ;Grease C. 11)
30
da; ly 44*-x .
(o
li M
pjflED
Comments:

NORTH CAROLINA DEPARTMENT OF ENVIRONMENT,
HEALTH, AND NATURAL RESOURCES
DIVISION OF ENVIRONMENTAL MANAGEMENT
Winston-Salem Regioi
MEMORANDUM
TO:
THROUGH
FROM;
SUBJECT
August 1, 19'
Dale Overcash
Steve Mauney 0/-" )
Mike Mickey'''
Bill's Truck Stop
NPDES No. NC0040045
Outfall Relocation Request
Davidson County
C)p1{S
Please find attached three (3) copies of a permit
modification request from Bill's Truck Stop. The request
consists of the required cover letter, processing fee,
application form and topographic map. Due to non-compliance
problems, Mr. Walser is proposing to relocate the outfall to
a positive flow stream in order to obtain more favorable
limits. ';I The facility currently discharges into an U.T. to
South Potts Creek (7Q10=0, 30Q2=0.15).
Per our conversation on June 15, 1990, WSRO recommends
that Bill's Truck Stop not be required to submit an EEA for
the following reasons:
1)
2)
The recirculating surface sandfilter was just
recently constructed and began operating in late
August 1989. (A/C issued 9/29/88). To date the
facility has been unable to consistently comply
with the 2 mg/1 NH3-N limitation.
Evaluations by the Davidson County Health
Department have determined that suitable soil does
not exist on site or in the area surrounding the
facility. Prior to August 1989 all wastewater
from Bill's Truck Stop had been routed to a
nitrification line system. However, due to
serious failures and pressure from the Health
Department, Mr. Walser was forced to reactivate
his NPDES permit and replace the abandoned
sandfilter. It should also be noted that the
nearest Lexington sewer line is more than five
miles away.

Dale Overcash
Page #2
August 1, 1990
3} On June 11, 1990, Mr. Walser requested an SbC due
to the noncompliance problems. The SOC will
require the submittal of a modification request
for relocation of the outfall by 9/28/90; submit
plans and specifications and an A/C request by
4/30/91; begin construction by 7/31/91; complete
construction by 10/31/91 and obtain compliance
with final limits by 12/31/91.
Should you have any questions, please give me a call.
MMM/vm
Attachments
cc: WSRO

Mr. Dale Overcash
Permits and Engineering Section
Divison of Environmental Management
P.O. Box 27687
Raleigh,NC 27687
Subject: Permit Modification Request
Outfall Relocation
Bills Truck Stop
NPDES No. NC0040045
Davidson County
Dear Mr. Overcash:
This letter is to reqest modification of -the NPDES permit
issued to Bill,s Truck Stop for relocation of the effluent
discharge point from an unnamed tributary to South Potts
Creek to South Potts Creek at SR 1147. I have attached the
appropriate application form,the required $200.00 processing
fee and a topographic map iocating the new discharge
location.
At present Bills Truck Stop is discharging into an unnamed
tributary to South Potts Creek (7Q10=0,30Q2=0.15). The
0.006 MGD recirculating surface sandfilter was constructed
in the summer of 1989. and begun operating in August 1989.
The system has yet to achieve consistent compliance with
the strict effluent limitations (BOD 5mg/1, NH3-N 2mg/1) .
especially for NH3-N.
Please note that I recently requested a Special Order By
Consent in aletter dated June 11,1990.The SOC will allow
the WWTP to operate within compliance untill the outfall
can be relocated to a positive flow stream and more
favorable limits can be obtained. The SOC (EMC, WQ 90-53)
shoud be finalized in the near future and will contain a
specific timetable for relocation of the discharge point.
The only construction involved will be the installation
of approximately 4,000 feet of 4" PVC pipe for the new
effluent discharge line to South Potts Creek.
Sincerely,

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Request No.: 5813
WASTELOAD ALLOCATION APPROVAL FORM
RECEIVED
N.C.'
r. NRCD
Facility Name: Bill's Truck Stop `'
NPDES No.: NC0040045 AUG Z 9 1990
Type of Waste: Domestic
Status: Existing/Modification
Receiving Stream: South Potts Creek Winston-Salem
Classification: C Regional Office
Subbasin: 30704 Drainage area: 12.700 sq mi
County: Davidson Summer 7Q10: 1.17 cfs
Regional Office: Winston-Salem Winter 7Q10: 2.25 cfs
Requestor: Jule Shanklin Average flow: 11.70 cfs
Date of Request: 8/10/90 30Q2: 2.83 cfs
Quad: D17SE
RECOMMENDED EFFLUENT LIMITS
EXISTINGanuT PROPOSED {-elatahw.l'im.ii5
summer winter
Wasteflow (mgd): 0.006 0.006 0.006
BODS (mg/1) : 5 10 30
NH3N (mg/1): 2 4 monitor
DO (mg/1) : 6 6 no limit
TSS (mg/1) : 30 30 30
Fecal coliform (#/100m1): 1000 1000 200
pH (su) : 6-9 6-9 6-9
Chlorine (mg/1): monitor monitor monitor
Oil and Grease (mg/1): 30/60 30/60 30/60
MBAs (mg/1): monitor monitor
Upstream (Y/N) : N
Downstream (Y/N) : N
MONITORING
Location:
Location:
SEP �t_ )99U
COMMENTS aRil,.,
Proposed relocation to South Potts Creek from tributary. Cannot Meet
existing limits. Modeled to Southern RR terminal above High RockLake.
Model predicts recovery by Southern RR. DO sag at 0.9 miles, 7.3 mg/l.
No ammonia toxicity.
Recommended by:
Reviewed by
Instream Assessment:
Regional Supervisor:
Permits & Engineering:
RETURN TO TECHNICAL SUPPORT BY:
(61/4_ 5gcum/uthipory(
SEP 21 1990
Date: S'//`-l/yc^
Date: q3-3/50
Date: 0- jO
Date: 0610

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MODEL RESULTS
Discharger : BILL'S TRUCK STOP
Receiving Stream : SOUTH POTTS CREEK
SUMMER
The End D.O. is 7.32 mg/1.
The End CBOD is 1.82 mg/l.
The End NBOD is 1.13 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 7.30 0.90 1
Reach 1 45.00 90.00 0.00 0.00600
tI

*** MODEL SUMMARY DATA ***
Discharger : BILL'S TRUCK STOP Subbasin : 030704
- Receiving Stream' : SOUTH POTTS CREEK Stream Class: C
Summer 7Q10 : 1.17 Winter 7Q10 : 2.25
Design Temperature: 25.0
!LENGTH' SLOPE' VELOCITY 1 DEPTH' Kd I Kd I Ka I Ka I KN I
I mile I ft/mil fps I ft Idesignl @20% Idesignl @20% Idesignl
I 1 I
Segment 1 I 1.501 5.881 0.100 1 0.89 10.28 1 0.22 1 1.18 I 1.061 0.44 I
Reach 1 I 1 1 1 I I 1 1 1 I
1 Flow 1 CBOD 1 NBOD 1 D.O. 1
1 cfs 1 mg/1 1 mg/1 1 mg/1 1
Segment 1 Reach 1
Waste 1 0.009 1 45.000 1 90.000 I 0.000
Headwaters' 1.170 1 2.000 1 1.000 I 7.440
Tributary 1 0.000 1 2.000 1 1.000 I 7.440
* Runoff 1 0.020 1 2.000 I 1.000 1 7.440
* Runoff flow is in cfs/mile

•
SUMMER
I Seg # I Reach # 1 Seg Mi I D.O. I CBOD I NBOD I Flow I
1 1 0.00 7.38 2.34 1.70 1.18
1 1 0.10 7.36 2.30 1.66 1.18
1 1 0.20 7.34 2.26 1.61 1.18
1 1 0.30 7.33 2.22 1.57 1.19
1 1 0.40 7.32 2.19 1.52 1.19
1 1 0.50 7.31 2.15 1.48 1.19
1 1 0.60 7.30 2.11 1.44 1.19
1 1 0.70 7.30 2.08 1.40 1.19
1 1 0.80 7.30 2.04 1.37 1.20
1 1 0.90 7.30 2.01 1.33 1.20
1 1 1.00 7.30 1.97 1.29 1.20
1 1 1.10 7.30 1.94 1.26 1.20
1 1 1.20 7.30 1.91 1.22 1.20
1 1 1.30 7.31 1.88 1.19 1.21
1 1 1:40 7.31 1.85 1.16 1.21
1 1 J 1.507.32 1.82 1.13 1.21
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow I