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HomeMy WebLinkAboutNCG550074_Report_19911001 cc: Technical Support Branch Permits and Engineering County Health Dept. Central Files WSRO IOF Date September 24, 1991 NPDES STAFF REPORT AND RECOMMENDATIONS County Forsyth NPDES Permit No. NC0038873 PART I - GENERAL INFORMATION OCT 0 1 1991 1 . Facility and Address : Arvil Stanley Crater (Residence) TECHNICAL SUPPORT 2765 Hope Church Road BRANCH Winston-Salem, N.C. 27107 2 . Date of Investigation: September 21, 1991 3. Report Prepared by: James C. Watson, Environmental Engineer 4 . Persons Contacted and Telephone Number: Mr. Stanley Carter (919) 765-9713 5 . Directions to Site: The residence is located approximately 1/4 mile southeast of Highway 158. The attached map extract will indicate the exact location. 6 . Discharge Point(s) - Latitude: 36° 01 ' 52" Longitude: 80° 21 ' 49" Attach a USGS Map Extract and indicated treatment plant site and discharge point on map. USGS Quad No. C-17SE or USGS Quad Name 7 . Size (land available for expansion and upgrading) : The land size is approximately one acre with space to expand. 8 . Topography (relationship to flood plain included) : The house is considered to be in an upland position. There are variable slopes involved from 6-15% to the southeast. 9 . . Location of nearest dwelling: At a higher elevation and to the north east, there are twd private dwellings at 400 and 600 feet. . 10. Receiving stream or affected surface waters : Unnamed tributary to Salem Creek. • a. Classification: "C" b. River Basin and Subbasin No. : Yadkin-Pee Dee 03-07-04 c. Describe receiving stream features and pertinent downstream uses : The area can best be described as rural residential. There are discharges from other single family dwellings within the area. PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1 . Type of wastewater: 100% Domestic % Industrial a. Volume of Wastewater: 450 GPD (Design Capacity) 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 per day: N/A a. Highest month in the last 12 months : lbs/day b. highest year in last 5 years: lbs/day 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, followed by a 520 square foot subsurface sandfilter; followed by a disinfection system with 30 minute detention. 5 . Sludge handling and disposal scheme: Sludge is pumped by a licensed septic tank contractor and taken to the nearest WWTP for disposal . 6 . . Treatment plant classification: N/A 7 . SIC Code(s) 4952 Wastewater Code(s) Primary 04 Secondary 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 appeared to be operating well . The WSRO recommends the permit be reissued. AL4404- Sig ature of report preparer Water Quality Regi6fial Supervisor Date (rie (r. e",,ir` . _. i 'ek•e_; , \ :i1j . '• '")1 '4. ',k'.- .16A . di- L -:D\ K 'C_(-\: ' o 'Ll, 77,,0 :21 iLJ, ILIN, Afir-‘40, -/ -'• -.--- 1"4.31)Nw . _ )41r4 vc. &-.40 ,9 oi i cs-ag :17,14 ;) "&it-e-a _. " 7/SION D•1-1,d fit,e-. r)..1 „. i.c- _ cv: -4' Atc-_ . Wi_ •//,‘ , • ir4-.. , ,t4, VI- -4--- ,: :q ..4.-_-___ 'i -11013. ANTe",_.14i /Vell H � rrej - � .. 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(1 ). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS -Final r During the period beginning effective date of this 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: Effluent Characteristics Discharge Limitations Monitoring Requirements Kg/day (lbs/day) Other-Units (Specify) Measurement Sample Sa7( Monthly Avg. Weekly Avg. Monthly Avg. Weekly Avg. Frequency Type Loc, Flow 450 gpd 675 gpd ROD, 5-hay, 20° C 30 mg/1 45 mg/1 Tola I .;u:q,unded Solids 30 mg/1 30 mg/1 Fecal Coliform (Geometric Mean) 1000/100m1 2000/100m1 Dissolved Oxygen (Minimum) 5 mg/1 5 mg/1 z - c� m oEl The pH shall not he less than 6.0 standard units nor greater than 8.5 standard units, ; ; O, w - There shall be no discharge of floating solids or visible foam in other than trace amounts. w '