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HomeMy WebLinkAboutNCG550249_Staff Report_19930819 , r IfI , H I cc: Permits and Engineering :kJV 1C) 1995 et- A 'c _. gu,op,.or{ County Health Dept. E L.CiS 4;.::'.L &OHM MANCH Central Files WSRO 1 i; SOC PRIORITY PROJECT: Yes No . If Yes , SOC No. To: Permits and Engineering Unit Water Quality Section Attention: Mack Wiggins Date: August 18 , 1993 NPDES STAFF REPORT AND RECOMMENDATION County Rockingham Permit No. NC0957-7-5.4 , Ziff PART I - GENERAL INFORMATION 1. Facility and Address : James and Sandra Brim Residence 3190 US 311 Madison, NC 27025 • 2. Date of Investigation.; August 17 , 1993 3 . Report Prepared by: Frank R. Lassiter 4. Persons Contacted and Telephone Number: Sandra Brim (919) 427-5549 5 . Directions to Site: From WSRO, take US 311 N through Walnut Cove, after crossing into Rockingham County, pass Western Road (SR 1190) , and the site is the first trailer on the right with a connection to US 311 (3190 US 311) . 6. Discharge Points (s) , List for all discharge points: Latitude: 36° 21' 43" Longitude: 80° 01' 42" U. S.G.S. Quad No. B18SE U. S.G. S . Quad Name Belews Lake 7 . Site size and expansion area consistent with application ? ye, Yes No If No, explain: 8. Topography (relationship to flood plain included) : Slope of about 5%, not in the floodplain. 9 . Location of nearest dwelling: Dwelling on adjacent lot to the north on US 311 (�150 feet) . 16 10 . Receiving stream or affected surface waters : '' UT Dan _River_, a. Classification WS-IV b. River Basin and Subbasin No. : "03=02=02-- c. Describe receiving stream features and pertinent downstream uses: Stream flows behind trailer park to the Dan River. Part II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1. a. Volume of Wastewater to be permitted: . 00045 MGD (Ultimate Design Capacity) b. What is the current permitted capacity of the Waste Water Treatment facility? . 00045 MGD c. Actual treatment capacity of the current facility (current design capacity) ? . 00045 MGD d. Date (s) and construction activities allowed by previous Authorizations to Construct issued in the previous two years . N/A e. Please provide a description of existing or substantially constructed wastewater treatment facilities; The system consists of a septic tank, a subsurface sandfilter, a tablet chlorinator, and a step aerator. f. Please provide a description of proposed wastewater treatment facilities. N/A g. Possible toxic impacts to surface waters: N/A h. Pretreatment Program (POTWs only) : N/A 2. Residuals handling and utilization/disposal scheme: When necessary residuals should be pumped and hauled to a POTW. 3 . Treatment plant classification (attach completed rating sheet) . N/A 4. SIC Code (s) : 4952 Primary 04 Secondary Main Treatment Unit Code: 4 4 0 X 7 PART III - OTHER PERTINENT INFORMATION NPDES Permit Staff Report Version 10/92 Page 2 1. Is this facility being constructed with Construction Grant Funds or are any public monies involved. (municipals only) ? N/A 2. Special monitoring or limitations (including toxicity) requests : 'N/A 3. Important SOC, JOC or Compliance Schedule dates : (Please indicate) N/A 4. Alternative Analysis Evaluation: Has the facility evaluated all of the non-discharge options available. Please provide regional perspective for -each option evaluated. Spray Irrigation: Likely not enough land Connection to Regional Sewer System: Not an option Subsurface: Likely not an option Other disposal options: N/A 5 . Other Special Items: N/A PART IV - EVALUATION AND RECOMMENDATIONS There was no discharge on the day of the inspection. There wasn't any odor or discoloration of the receiving stream. There was a very small amount of running water in the stream, even though it has been an unusually dry summer. Since this is a single family residence with a low flow and no adverse effect on the environment, the regional office does not object to the reissuance of this permit. l->tati c/5•1-2--a--/-1 g-ig- ?.3 Environmental Technicia IV Date /gh/ _1„!- ------ 6,4.- 4 7- /1- 93 dater Quality Regional Supervisor Date • NPDES Permit Staff Report Version 10/92 Page 3 • • A. (_1_). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Final NPDES No. NC0057754 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: Effluent Characteristics Discharge Limitations Monitoring Requirements • • Lbs/day Other Units (Specify) Measurement Sample . *Sample • Monthly Avg. Weekly Avg. Monthly Avg. Weekly Avg. Frequency Type Location Flow 450 GPD BOD, 5Day, 20 Degrees C 24.0 mg/1 36.0 mg/1 Total Suspended Residue 30.0 mg/1 45.0 mg/1 NH3 as N 16.0 mg/1 24.0 mg/1 Dissolved Oxygen (minimum) 6.0 mg/1 6.0 mg/1 Fecal Coliform (geometric mean) 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. 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 -- -- - -- - - --• - - - titSLtrW5 LAIC UUAUKAINULL NORTH CAROLINA b`soo ' ik 7.5 MINUTE SERIES (TOPOGRAPHIC) e 2'3Q.. ,587 11 700 000 FEET MADISON 2.7 MI. 80°00' 1 ` 1 1-36°22'3c- / / JJ i G� •nl v r v \ ' .e---/ II • 4110 .. 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