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Home My WebLink AboutNCG550231_Report_19921119 SOC PRIORITY PROJECT: Yes___No_X If Yes , SOC No .` cc: Permits and Engineering RECEIVED ; OTechnidal :Support. Branch? County Health Dept. Central Files WSRO NOV 2 3 19 To: Permits and Engineering Vni PCH lC��LSUPPp BRANCH Water Quality Section Attention: Mack Wiggins Date 11 - 19-92 &' NPDES STAFF REPORT AND REC7 MvENDATICN County Randolph Permit No . E66.5-6-5-1-r' )1/4-)c-G-SSo Z PART I - GENERAL INFORMATICN 1 . Facility and Address : Mr . Donald L. Davis Route 5 , Box 629 Trinity , NC 27370 2 . Date of Investigation : 11 - 17-92 3 . Report Prepared by : George Smith 4 . Persons Contacted and Telephone Number : Donald Davis (919)431 -5605 5 . Directions to Site : Go 311 south to NC 62 . Right on NC 62 and go to first stoplight , Archdale Rd (SR 1577) . Turn left and go 3 miles to Robbins Country Rd . (SR 1567) . Turn right and go 0 . 3 miles from intersection and turn left on gravel road . House on right side aprox . 0 . 2 miles . 6 . Discharge Point ( s ) , List for all discharge points : Latitude: 35° 52 ' 33" Longitude: 79° 57 ' 13 "_ Attach a USGS map extract and indicate treatment facility site and discharge point on map. U. S .G. S . Quad No . D19NN U. S .G. S . Quad Name High Point East 7. ' Site size and expansion area consistent with application ? X Yes No If No , explain : 8 . Topography (relationship to flood plain included) : The septic tank is located to the left rear of the house. The sand filter is directly in the back yard and the chlorine contact chamber is to the right rear of the house . Moderately sloping terrain runs down to the discharge point , the system is well above the flood plain . 9 . Location of nearest dwelling : Two barns aproximately 1000 feet from the house. 10 . Receiving stream or affected surface waters : gr .f n .l1a`r rri;a. ori . a. Classification : WS III b . River Basin and Subbasin No . : Yadkin3c) -014 c . Describe receiving stream features and pertinent downstream uses : The City of Asheboro has a water supply on the Uwharrie River Downstream of this discharge. PART II - DESCRIPTION OF DISCHARGE AND TREAT ENT VORKS 1 . a. Volume of Wastewater to be permitted : 450 gpd (Ultimate Design Capacity) b . What is the current permitted capacity of the Waste Water Treatment facility? 450 gpd c . Actual treatment capacity of the current facility (current design capacity) ? 450 gpd d . Date(s) and construction activities allowed by previous Authorizations to Construct issued in the previous two years : NONE e. Please provide a description of existing or substantially constructed wastewater treatment facilities : An existing septic tank with a 391 square foot subsurface sandfilter , tablet chlorination unit and contact tank, and step aerator to serve a 3 bedroom single family residence. f . Please provide a description of proposed wastewater treatment facilities : N/A g . Possible toxic impacts to surface waters : NONE h . Pretreatment Program (POWs only) : N/A in development approved should be required not needed 2 . Residuals handling and utilization/disposal scheme: System is pumped by contractor when necessary . a. If residuals are being land applied , please specify DHvI permit no . Residuals Contractor Telephone No. b . Residuals stabilization : PSRP PFRP Other c. Landfill : N/A d . Other disposal /utilization scheme (Specify) : N/A 3 . Treatment plant classification (attach completed rating sheet) : N/A 4 . SIC Code(s) : 4952 Wastewater Code(s) of actual wastewater , not particular facilities i . e . . , non-contact cooling water discharge from a metal plating company would be 14 , not 56. Primary __ Secondary ___ _ _ ___ Main Treatment Unit Code: 4-_ 4 0 7 PART III - CTHFR PERTINENT DIPORKATIGN 1 . Is this facility being constructed with Construction Grant Funds or are any public monies involved . (municipals only)? NO 2 . Special monitoring or limitations ( including toxicity) requests : NONE 3 . Important SOC, JOC or Compliance Schedule dates : (Please indicate) N/A 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 regional perspective for each option evaluated . NO Spray Irrigation : May have enough land for this option . NPDES Permit Staff Report Version 10/92 Page 3 Y Connection to Regional Sewer System: NC7T AVAILABLE Subsurface: NJ!' RE(XMVE IDED Other disposal options : N/A 5 . Other Special Items : NONE PART IV - EVALZTATICN AND RECCNMENDATICNS This system appears to be engineered and installed properly . The system is well maintained , chlorine tablets are installed regularly and a slight chlorine odor was evident when the cap was removed from the chlorination unit . The effluent was clear and the stream was ecologically balanced . 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' 7 • : sc(--- --_--/r . ---Cc5_,,,::!0 q 4. • , ..s.__,_,.. k • . 1 c-A. r --. r Y:;\I-'P:r' lIfr4-7'So- 2. — _f , e, 781 E-77§ iark \ A) L) n !/ f11.��! ri 1595 (GLENOLA) .,.. 1 _. 592 '1 710000 FEET 1593 57 30" 50551VSW f 4 A. ( ). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Final • During the period beginning on the effective date of the Permitand lasting until expiration, the Permittee T . is authorized to discharge from outfall(s) serial numbers) 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 *Sample Monthly Avg. Weekly Avg. Monthly Avg. Weekly Avg. Frequency 1 rpee Location F 4 Flow 450 GPD BOD, 5Day,. 20 Degrees C 30.0 mg/1 45.0 mg/1 Total Suspended Residue 30.0 mg/1 45.0 mg/1 k7^4 NH3 as N Dissolved. Oxygen (minimum) 6.0 mg/1 6.0 mg/1 Fecal Coliform (geometric mean) 1000.0/100m1 2000.0/100m1 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. M3 NC0056511 i• �� .-1' 1. 1• , tl 1 -' � ' ENVIRONMENTAL vim'„ i North Carolina Department of Natural MANAGEMENT M „� Resources &Community Development Robert F.�Helms ' James B. Hunt,Jr., Governor Joseph W. Grimsley, Secretary Telephone919733-7015 August 25, 1983 Mr. Donald L. Davis Route 2, Box13 5-5612 J Trinity, N.. C. 27370 J/ SUBJECT: Permit No. NC0056511 Authorization to Construct Davis Residence Wastewater Facilities Randolph County Dear Mr. Davis: A letter of request for Authorization to Construct was received August 3, 1983, by the Division and final plans and specifications for the subject project have been reviewad and found to be satisfactory. Authorization is hereby granted for the construction of a 450 GPD wastewater treatment facility consisting of a 900 gallon septic tank, a 420 square foot subsurface sand filter, tablet chlorinator, chlorine contact chamber, cascade aerator and all related piping and appurtenances to serve the Donald Davis residence. This Authorization to Construct is issued in accordance with Part III paragraph C of NPDES Permit No. NC0056511 issued August 11, 1983, and shall be subject to revo- cation unless the wastewater treatment facilities are constructed in accordance with the conditions and limitations specified in Permit No. NC0056511. The sludge generated from these treatment facilities must be disposed of in accordance with G.S. 143-215.1 and in a manner approvable by the North Carolina Division of Environmental Management. The Winston Salem Regional Office, telephone number 919/761-2351 shall be noti- fied at least twenty-four (24) hours in advance of backfilling of the installed sub- surface filter system so that an in-place inspection can be made of said system prior to backfilling. Such notification to the Regional Supervisor shall be made during the normal office hours from 8:00 A.M. until 5:00 P.M. on Monday through Friday, excluding State Holidays. One (1) set of approved plans is being forwarded to you. If you have any questions or need additional information, please contact Mr. Richard R. Rohrbaugh, telephone number 919/733-5083, extension 103. ginar4 gin OK s- FORREST R. WESTALL FOR Robert F. Helms cc: Randolph County Health Department Winston Salem Regional Supervisor Winston Salem Region 1 Manager Mr. Forrest WebcallJ POLLUTION PREVENTION PAYS P. 0. Box 27687 Raleigh,N. C.27611-7687 An Equal Opportunity Affirmative Action Employer