NCG550139_Wasteload Allocation_19860106

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hDate : � ,: t \CM,
F a c i l i t y Name : kV `N`lA bLi aNte N CV k". Perm ! t C L
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0our. ty : \P1e�,��, i •vna ! Office : V401
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RECOMMENDED EFFLUENT LIMITS
Wasteflow Copd ) : 'AG
BOD5 Crag/ I ) : \ ci
NH3-N Cmg / i ) : y
D . O . Cmg / I ) : 6
pH ( SU ) : b- a, _
Fecal Co : . / 10Om1 ) : \QC
TSS (mg / i ) : 3V 1
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RECOMMENDED EY : Date : ice. ` \� V
APPROVED BY :
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Regional Engineer : Date :
Regional Supervisor : ^Z171 Date : / /S -i
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ROUTE to Technical Support Group and Permits & Engineering Unit r;
( Enclose copy of USGS topographical map showing location of discharger )
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cc: Permits and Engineering
Technical Support Branch
County Health Dept.
Central Files
WSRO
SOC PRIORITY PROJECT: Yes No X
If Yes, SOC No.
t40.'' 1ems' ' I
rRECENT" To: Permits and Engineering Unit
Water Quality Section
Attention: (Mack Wiggins)
FEB 1 6 1993
Date: February 15, 1993
TECHNICAL BRANrNPDES STAFF REPORT AND RECOMMENDATION
County Forsyth
Permit No. NC0047406
PART I - GENERAL INFORMATION
1 . Facility and Address : James L. Shermer Residence
606 Cherry Tree Lane
Lewisville, NC 27023
2 . Date of Investigation: February 9, 1993
3 . Report Prepared by: Lee G. Spencer
4 . Persons Contacted and Telephone Number: No one home
5 . Directions to Site: From intersection of Robinhood Rd. and
Lewisville-Vienna Rd. proceed south on Lewisville-Vienna Rd.
to Poplar Ridge Drive on the left. Take Poplar Ridge Drive
to Cherry Tree Lane, second road on the right. Proceed to
the house which is on the right side of the cul-de-sac.
6 . Discharge Points(s) , List for all discharge points :
Latitude: 36°06 ' 45" Longitude: 80°23 ' 55"
U. S.G. S. Quad No. C-17SW U.S.G.S. Quad Name Clemmons
7 . Site size and expansion area consistent with application ?
x Yes No If No, explain:
8. Topography (relationship to flood plain included) : Site
slopes toward cul-de-sac at `10% . Is not flood prone.
9 . Location of nearest dwelling: "150 '
10 . Receiving stream or affected surface waters : UT of Tomahawk
Creek
a. Classification: C
b. River Basin and Subbasin No. : 03-07-04
c. Describe receiving stream features and pertinent

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downstream uses: Stream flows through rural residential
area and woodland areas.
Part II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of Wastewater to be permitted: 0. 00045 MGD
(Ultimate Design Capacity)
b. What is the current permitted capacity of the Waste
Water Treatment facility? 0 .00045 MGD
c. Actual treatment capacity of the current facility
(current design capacity) ? 0 . 00045 MGD
d. Date(s) and construction activities allowed by previous
Authorizations to Construct issued in the previous two
years .
e. Please provide a description of existing or
substantially constructed wastewater treatment
facilities : It is said previously to be: a 900 gal.
septic tank; a 150 sq. ft. nitrification field;
followed by a 400 sq. ft. subsurface sand filter; and
chlorination. Discharge is into catch basin for yard
inlet in front yard. All storm sewer in cul-de-sac is
underground.
f . Please provide a description of proposed wastewater
treatment facilities : None
g. Possible toxic impacts to surface waters : None
h. Pretreatment Program (POTWs only) :
2 . Residuals handling and utilization/disposal scheme:
a. If residuals are being land applied, please specify DEM
Permit No. .
Residuals Contractor
b. Residuals stabilization: PSRP PFRP
Other
c. Landfill :
d. Other disposal/utilization scheme (Specify) : When
necessary, sludge will be pumped from the septic tank
by a licensed pumping contractor and taken to the
nearest WWTP for disposal.
NPDES Permit Staff Report
Version 10/92
Page 2

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3 . Treatment plant classification (attach completed rating
sheet) : Not applicable - SFR
4 . SIC Code(s) : 4952
Primary 04 Secondary
Main Treatment Unit Code: 4 4 0 0 7
PART III - OTHER PERTINENT INFORMATION
1 . Is this facility being constructed with Construction Grant
Funds or are any public monies involved. (municipals only) ?
2 . Special monitoring or limitations (including toxicity)
requests : None
3 . Important SOC, JOC or Compliance Schedule dates: (Please
indicate) : None
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: Not enough area or buffer.
Connection to Regional Sewer System: Not available.
Subsurface: Inadequate soil types .
Other disposal options :
5 . Other Special Items:
PART IV - EVALUATION AND RECOMMENDATIONS
This office does not object to the reissuance of this
Permit.
Signature of report preparer Date
Water Quality g Re inal Supervisor Date
NPDES Permit Staff Report
Version 10/92
Page 3

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A. ( ). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS FINAL Permit No. NC0047406
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from
outfall(s) serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characteristics Discharge Limitations Monitoring Requirements
Units (specify) Measurement Sample *Sample
Monthly Avg. Weekly Avg. Frequency Throe Location
Flow 450 GPD
BOD, 5 day, 20°C 15.0 mg/I 22.5 mg/I
Total Suspended Residue 30.0 mg/I 45.0 mg/I
NH3 as N 4.0 mg/I 6.0 mg/I LI
Dissolved Oxygen (minimum) 6.0 mg/I 6.0 mg/I
Fecal Coliform (geometric mean) 200.0 /100 ml 400.0 /100 ml
Total Residual Chlorine
Temperature
The chlorinator shall be inspected weekly to ensure there is an ample supply of chlorine tablets for continuous disinfection of the effluent.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
There shall be no discharge of floating solids or visible foam in other than trace amounts.