NCG550169_Staff Report_19930413

P
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cc: Permits and Engineering
Technical Support Branch
County Health Dept.
Centra
l Files
WSRO
SOC PRIORITY PROJECT: Yes _ No X
k If Yes, SOC No.
`APR6 To: Permits and Engineering Unit
1 �gq3 Water Quality Section
Attention: Mack Wiggins
Date: April 13 , 1993
NPDES STAFF REPORT AND RECOMMENDATION
County Forsyth
Permit No. NC0O50032
NCGsso wci
PART I - GENERAL INFORMATION
1. Facility and Address: Mack D. Johnson, SFR
7111 Donnaha Road
Tobaccoville, N.C. 27050
2 . Date of Investigation 930412
3 . Report Prepared by: David Russell, Environmental Spec. II,
WSRO
4 . Persons Contacted and Telephone Number: By phone - Mr.
Johnson; at the site - Mrs. Johnson
5. Directions to Site: Travel 67W from Winston-Salem to
Donnaha Road (SR 1600) . Turn right and travel approximately
3/4 mile. The house is first on the right past King Water
Plant.
6. Discharge Points (s) , List for all discharge points:
Latitude: 36° 13 ' 29" Longitude: 80° 25' 52"
U. S.G. S. Quad No. Cl7NW U. S.G. S. Quad Name Vienna
7 . Site size and expansion area consistent with application ?
X Yes _ No If No, explain:
8 . Topography (relationship to flood plain included) :
According to USGS flood-prone maps, the site is five feet
above predicted 100 year flood elevation. The receiving
stream, UT to Yadkin River, is located within 20' of the
dwelling on south side of property.
PLOUD

9 . Location of nearest dwelling: Within 1000 feet of discharge
point.
10. Receiving stream or affected surface waters: UT to Yadkin
River
a. Classification WSIII
b. River Basin and Subbasin No. : Yadkin Pee-Dee (0307�
c. Describe receiving stream features and pertinent
downstream uses: The Yadkin River flows through rural
agricultural areas for miles downstream of this
discharge.
Part II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1 . a. Volume of Wastewater to be permitted: 0. 0003 MGD
(Ultimate Design Capacity)
b. What is the current permitted capacity of the Waste
Water Treatment facility? 0. 0 p 0 75 m5 0
c. Actual treatment capacity of the current facility
(current design capacity) ? 0. 0003 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; Existing: septic tank/subsurface
sandfilter, chlorinator
f. Please provide a description of proposed wastewater
treatment facilities. NA
g. Possible toxic impacts to surface waters: NA
h. Pretreatment Program (POTWs only) :
in development approved
should be required not needed
2 . Residuals handling and utilization/disposal scheme:
a. If residuals are being land applied, please specify DEM
Permit No.
Residuals Contractor
NPDES Permit Staff Report
Version 10/92
Page 2

Telephone No.
b. Residuals stabilization: PSRP PFRP
Other
c. Landfill:
d. Other disposal/utilization scheme (Specify) : Septage
will be pumped by septic tank pumper
3 . Treatment plant classification (attach completed rating
sheet) . SFR - not classified
4 . SIC Code(s) : 4952
Primary 04 Secondary
Main Treatment Unit Code: 4 6 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:
3 . Important SOC, JOC or Compliance Schedule dates: (Please
indicate)
Date
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
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regional perspective for each option evaluated. No other
option is feasible at this time.
Spray Irrigation:
Connection to Regional Sewer System:
Subsurface:
Other disposal options:
5. Other Special Items:
NPDES Permit Staff Report
Version 10/92
Page 3

PART IV - EVALUATION AND RECOMMENDATIONS
A small clear effluent flow was entering the stream. The
chlorination tube had the top off. Mr. Johnson said he puts
chlorine in the system about the 15th of each month.
Recommend the permit be reissued.
�, &el?' ',3 oyi3
Signature of report preparer
7
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Water Quality Regional Supervisor
3 o 4 / /f-
Date
NPDES Permit Staff Report
Version 10/92
Page 4

ti
A. (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Final NPDES No. NC0050032
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(s) 001. Such discharges shall be limited
and monitored by the Permittee as specified below:
y Effluent Characteristics Discharge Limitations Monitoring Requirements
Lbs/day Other Units (Specify) Measurement Sample.� Monthly Avg. Weekly Avg. Monthly Avg. Weekly Avg. Frequency *Sample
Type Location
Flow 0.00075 MGD
BOD, 5Day, 20 Degrees C 8.0 mg/1 12.0 mg/1
Total Suspended Residue 30.0 mg/I 45.0 mg/1
NH3 as N 2.0 mg/1 3.0 mg/1
Dissolved Oxygen (minimum) 6.0 mg/1 6.0 m 1
(geometric mean) 0/
Fecal Coliform 1000.0/100 ml 2000.0/100 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.
* Sample locations: E - Effluent, I - Influent
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 vng solids or visible foam in other than trace amounts.
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DEPARTMENT OF CONSERVATION AND DEVELOPMENT
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