NCG550058_Staff Report_19901029

cc: Technical Support BranchV
Permits and Engineering
County Health Dept.
Central Files
WSRO
Date October 29, 1990
NPDES STAFF REPORT AND RECOMMENDATIONS
County Forsyth
NPDES Permit No. NC003095-3
NC.G-SS o cSg
PART I - GENERAL INFORMATION
1 . Facility and Address : MU ® 5 199Q
Mr. William S. Rivers
4669 Paula Drive �� a; ::fi °'
Winston-Salem, NC 27127
2 . Date of Investigation: 10-26-90
3 . Report Prepared by: Cynthia L. Myers, Environmental
Technician
4 . Persons Contacted and Telephone Number:
Mr. William S. Rivers, 919/784-6982
5 . Directions to Site: From Winston-Salem follow Old
Salisbury Road to Darwick Road. Turn right on Darwick
Road. Follow Darwick Road to Paula Drive. Turn right
on Paula Drive. The residence is 4669 Paula Drive.
6 . Discharge Point - Latitude: 36° 01 ' 00"
Longitude: 80° 16 ' 54"
Attach a USGS Map Extract and indicated treatment
plant site and discharge point on map.
USGS Quad No. C-17SE or
USGS Quad Name Winston-Salem West
7 . Size (land available for expansion and upgrading) :
Approximately .25 acre.
8 . Topography (relationship to flood plain included) :
The dwelling is in an upland position, but the backyard
and treatment system are in a local alluvial position
which has a high groundwater level .
9 . Location of nearest dwelling: The nearest dwellings
are on either side of the dwelling at approximately 125
feet.
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10 . Receiving stream or affected surface waters : 41U `ri-E:aa '(57dg
c-w±4 b�uta_ry tct, SouttLFark-Imi ddy»Creek
a. Classification: C
b. River Basin and Subbasin No. : Yadkin-Pee Dee
(43 Qir7j0 A)
c . Describe receiving stream features and pertinent
downstream uses : Rural/residential
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1 . Type of wastewater: 100% Domestic
% Industrial
a. Volume of Wastewater: 450 GPD
b. Types and quantities of industrial wastewater:
N/A
c. Prevalent toxic constituents in wastewater:
N/A
d. Pretreatment Program (POTWs only) : N/A
in development approved
should be required not needed
2 . Production rates ( industrial discharges only) in
pounds : N/A
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: N/A
4 . Type of treatment (specify whether proposed or
existing) : Existing 900 gallon septic tank with a 348
square ft. standard subsurface sandfilter and a sanuril
disinfection unit.
5 . Sludge handling and disposal scheme:
Sludge is pumped by a licensed septic tank contractor
and taken to the nearest municipal WWTP for disposal .
6 . Treatment plant classification: N/A
7 . SIC Code(s) 4952
Wastewater Code(s) 04

PART III - OTHER PERTINENT INFORMATION
1 . Is this facility being constructed with Construction
Grants Funds (municipals only) ? N/A
2 . Special monitoring requests : N/A
3 . Additional effluent limits requests : N/A
4 . Other: N/A
PART IV - EVALUATION AND RECOMMENDATIONS
The system was operating well . No odor was detectable.
-No solids were in the creek. WSRO recommends the permit be
reissued.
Signature of report preparer
Water Quality Supery sor

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A, (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
. William S. Rivers, Forsyth County •
During the period beginning effective date of the permit and lasting until expiration
the permittee is authorized to discharge from outfall (s) serial number(s) o01
Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characteristics Discharge Limitations Monitoring Requirements
' Kg/day (lbs/day) ' Other-Units (Specify) Measurement Sample Sample '
Monthly Avg. Weekly Avg. Monthly Avg. Weekly Avg. Frequency - Type Location
Flow, M3 Day (MGD) i 1. 70(0.00045) 2.55(0.00067) NA NA NA
BOD, 5-Day, 20°C 30 mg/1 45 mg/1 NA NA NA
Total Suspended Solids �i 30 mg/1 45 mg/1 NA NA NA
Fecal Coliform
`d 1000/100 ml 2000/100 ml NA s NA NA
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The pH shall not be less than 6 standard units nor greater than 9 standard units and
shall be monitored (Nat ;'Applicable) CD a
• There shall be no discharge of floating solids or visible foam in other than trace amounts. CA, . 0
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