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HomeMy WebLinkAboutNCG550071_Wasteload Allocation_19910904 . NPDES SFR WASTELOAD ALLOCATION �i111 / Date: 9 - 4-91 Nousl _ As - 3✓,_.�2.1\ecC�' E. u3A,eakit"i_ Q.�s;A, -,- _. 't �p ,V cc- S'o a 7/ Facility Name: Ti'u_SseJI V 1I"3l1es nesldehwe- Permit: iQ 003 5 Receiving Stream: LIT Sm;4-h Creek Class: C_ Sub-basin: 03-07-02, County: Davi c, Regional Office: IA)i► c.-61- So.)ewi Reference USGS Quad: Clemmonc C- 11SW Existing: ✓ Proposed: Elevation: 9(co f Drainage Area: O. 5 5 ►'n; z Hydrologic Group: C = y.3 g on; 6Min)D251gn Temperature: ZS G Slope: Ds Comments:Comments: EI�� Trai n° -. 1)15c-bgrLc,c L.bc A-n o r0 C.a22 Cr P. -1(,0 ' .—. j0 ' 0.3 ell;le 33.3 Ceres -NO' b.2 So 13oI a.4 „ 25 12-0' 0.5L Is 1101 6. 4Z 2`i 100 i V. 25 ,• 40 ,, aVtra.v... s II pc_ tot) tZ t 3 = z$ •fpoi Recommended Effluent Limits r a„,,, s A 2 qui ce.uues al atCIJTLY pptm, ITED Wasteflow (gpd) : 0.00o4S o.00045 BOD (mg/1) : 15.0 -7,o TSSS (mg/1) : 3V•0 30•0 NH -N (mg/1) : 4 ,b 2•0 Fecal Col (/100m1) : Z00.0 Imo.° D.O. (mg/1) : (o. 0 (o . 0 pH (SU): to - 9 (A - 9 Recommended By: Vick,/ /1t,[! Date: 42± , I45)l Regional Ey• ae!�� Regional Engineer: �-7 Date: 9s—y/ . 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'-!--\• 1 .W-. r. \ 10 ‘* --, .s siv-,- !: VW.TO U.S.601 548 27'30" 549 MOCKSVILLE 12 MI. 550 (ADVANCE) 1551 1 552 I TESVILLE11NTFRSTATE 771 75 MI. 4955 IV NW SCALE 1:24000 1 1 1 7 0 1 mi * 1--1 1---, I--4 1...- 4 1- -..-.4 II 1 MN 1000 0 1000 2000 3000 4000 5000 6000 7000 FEET 61/2° GM t•--t t-i 1 5 0 1 KILOMETER 1---1. 1--1 I-1 1--I I•••••-4 1 7ONTOUR INTERVAL 10 FEET 6 MILS I-----' NATIONAL GEODETIC VERTICAL DATUM OF 1929 116 MILS 0°20' t cc: Permits and Engineering Technical Support Branch County Health Dept. Central Files WSRO Date Sept. 4, 1991 NPDES STAFF REPORT AND RECOMMENDATIONS County Davie NPDES Permit No. NC0037435 PART I - GENERAL INFORMATION 1 . Facility and Address: - 1991 Russell V. Hughes Residence 116 Creekwood Drive ' ,iii--'JRi BRANCH Advance, NC 27006 2 . Date of Investigation: August 30 , 1991 3 . Report Prepared by: Sherri Vaden Knight 4 . Persons Contacted and Telephone Number: Russell Hughes ( 919 ) 998-5577 5. Directions to Site: From Winston-Salem, follow I-40 west and exit north on Hwy 801 in Davie County. Follow 801 approximately 1 mile to Creekwood Drive and turn left. The Hughes residence is the second house from the creek on the left. 6 . Discharge Point - Latitude: 36° 00 ' 33" (revised) Longitude: 80° 27 ' 27" ( revised) Attach a USGS Map Extract and indicated treatment plant site and discharge point on map. USGS Quad No. C-17SW or USGS Quad Name Clemmons 7 . Size ( land available for expansion and upgradig) : The lot is approximately 0 . 48 acre. ( 21 , 000 ft - 105 ' x 200 ' ) 8 . Topography (relationship to flood plain included) : The sandfilter is located behind the house on a slightly sloping area beside a stream. 9 . Location of nearest dwelling: There are several dwellings adjacent to this home (residential area) . The closest dwelling is 118 Creekwood Drive. This home is approximately 300 ' from the discharge point and a deed of easement allows the outfall line to cross the property. 10 . Receiving stream or affected surface waters: UT Smith Creek a. Classification: Class C b. River Basin and Subbasin No. : Yadkin - PeeDee 03-07-02 c. Describe receiving stream features and pertinent downstream uses: Smith Creek joins Bailey Creek to form Carters Creek approx. 3 miles downstream. Hidden Creek Subdivision has a package plant discharge approx. 2 miles downstream on Smith Creek. PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1 . Type of wastewater: 100%% Domestic Industrial a. Volume of Wastewater: 0 . 00045 MGD b. Types and quantities of industrial wastewater: N/A c. Prevalent toxic constituents in wastewater: Unknown d. Pretreatment Program (POTWs only) N/A in development approved should be required not needed X 2 . Production rates ( industrial discharges only) in pounds 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 system which consists2of a 1000 gallon capacity septic tank, a 391 ft subsurface sandfilter, a tablet chlorinator and contact tank. 5 . Sludge handling and disposal scheme: The septic tank is pumped by commercial pumper when needed. • 6 . Treatment plant classification: N/A 7. SIC Code( s) 8811 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: PART IV - EVALUATION AND RECOMMENDATIONS This application is for the renewal of an existing permit that serves a single family residence. Since the last permit was issued, a chlorinator and contact unit has been installed (July 1988 ) . This system began to malfunction in early 1990 and was refurbished in June 1990 . No problems were observed at the time of the inspection. The outfall line runs across the property at 118 Creekwood Drive and discharges beside the stream culvert. The USGS map has been photorevised and indicates that the ctl identified on prior staff discharge point was incorrectly reports. The revised coordinates are listed on page 1 . It is recommended that the permit be reissued. LW: 72 ,ehj Signature of r ort preparer Water Quality Sup visor 3 W A. ( 1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Final ,r During the period beginning on the effective date of the Permiand 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/da ) Other-Units (Specify) Measurement Sample Sample Monthly Avg. Weekly Avg. Monthly Avg. Weekly Avg. Frequency Type Location Flow 0. 00045 MGD BOD,5Day, 20°C 7. 0 mg/I 10. 5 mg /I Total Suspended Residue 30. 0 mg /I 45. 0 mg /I NH3 as N 2. 0 mg /I 3. 0 mg/I Dissolved Oxygen (minimum) 6. 0 mg /I 6. 0 mg /I Fecal Coliform (geometric mean) 1000. 0/100 ml. 2000. 0/100 ml. Residual Chlorine Temperature • The chlorinator shall be inspected weekly to insure there is an ample supply of chlorine tablets for continuous disinfection of the effluent. z -v-v v cIro a a The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units. o 4-4 w V Z There shall be no discharge of floating solids or visible foam in other than trace amounts. w • 0