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HomeMy WebLinkAboutNC0068152_Wasteload Allocation_19950117Request # B8196 Facility Name: Edens Glen Mobile Village NPDES No.: N00068152 Type of Waste: 100 % Domestic Facility Status: Existing Permit Status: Renewal Stream Characteristic: Receiving Stream: Flat Creek USGS # Stream Classification: C Date: Subbasin: 04-03-02 Drainage Area (mi2): 7.5 County: Buncombe Summer 7Q10 (ds): '0.6 Regional Office: Asheville Winter 7Q10 (cfs): 1.0 Requestor: Lucas Average Flow (cfs): 7.5 Date of Request: 1 / 17 / 95 30Q2 (cfs): Topo Quad: E 8 NE IWC (%): 7.2 % Staff Report: x IWC Spreadsheet: x refer below Stream Classification: Instream Data: nr Proposed 1986, modeled and given Secondary limits. 1991 given choice and took ammonia limits. note on WLA indicates that DMR data looks too good and might be questionable... DMR's w/in permitted levels Staff Report actual capacity is 0.015 mgd; permitted capacity is 0.030 mgd. Apply New v. Existing [T15A:02H .103] rule and include residual chlorine limit for flows above 0.015 mgd. Flow IWC summer NH3 winter NH3 residual chlorine 0.015 mgd 3.7 % 21.3 mg/I 70.5 mgA monitor 0.030 mgd 7.1 % 11.2 mg/I 36.1 mg/I 28 µgA will willre�mmend Instream monitoring monitoring due to cluster of dischargers. Upstream: at least 50' above discharge Downstream: ar SR 1733 — A,, -rjt. �� 0 'V wool& br. Aj vactu' b(jk&,I VWj r.- SA 'j l�k--A rG 3b6�i� A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (April 1 - October 31) Permit No. NCO068152 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 001. Such discharges shall be limited and monitored by the permittee as specified below: Effluent Characteristics Flow BOD, 5 day, 20°C Total Suspended Residue NH3 as N Fecal Coliform (geometric mean) Total Residual Chlorine Temperature Discharge Limitations Monitoring Requirements Monthly Avg.Weekl Av _Daily Max Measurement Frequency Sample Type 0.03 MGD Weekly Instantaneous 30.0 mg/I 45.0 mg/I 2/Month Grab 330.0 mg/I 13.0 45.0 mg/I 2/Month Grab m'I15v CVWV— 2/Month Grab 200.0 /1 o0 ml 400.0 /1 o0 ml 2/Month Grab Daily Grab Weekly Grab O.013 3-� /0 2•�.3 �O•S 0•03o �. t% 36.1 * Sample locations: E - Effluent, I - Influent *Sample Location IorE E E E E E E The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored 2/month at the effluent by grab sample. There shall be no discharge of floating solids or visible foam in other than trace amounts. SOC PRIORITY PROJECT: Yes No XX IF YES, SOC NUMBER TO: PERMITS AND ENGINEERING UNIT WATER QUALITY SECTION ATTENTION: ♦ Jay B. Lucas DATE: ♦ February 15, 1995 NPDES STAFF REPORT AND RECOMMENDATION COUNTY ♦Buncombe PERMIT NUMBER ♦NC0068152 PART I - GENERAL INFORMATION 1. Facility and Address: *Edens Glen Mobile Village ♦NCSR 1734 near Weaverville *Buncombe County Mailing: #2 Gospel Way Weaverville, N.C. 28787 2. Date of Investigation: *September 21, 1994 3. Report Prepared By: *Max L. Haner, ARO 4. Persons Contacted and Telephone Number: S. Directions to Site: *Existing facility is located at the end of a private road into the Edens Glen Mobile Village beginning at a point approximately 0.35 mile north of the intersection of NCSR 1733 and 1734, near Weaverville in Buncombe County. 6'. Discharge Point(s), List for all discharge points: Latitude: 350 44' 19" Longitude: 82o 34' 05" Attach a USGS map extract and indicate treatment facility site and discharge point on map. U.S.G.S. Quad No. ♦E8NE U.S.G.S. Quad Name *Weaverville, NC Page 1 7. Site size and expansion area consistent with application? ♦ XX Yes ♦ No If No, explain: 8. Topography (relationship to flood plain included): ♦WWTP not in flood plain 9. Location of nearest dwelling: ♦>1000 (est) - Off Property 10. Receiving stream or affected surface waters: ♦Flat Creek a. Classification: ♦"C" b. River Basin and Subbasin No.: ♦040302 C. Describe receiving stream features and pertinent downstream uses: ♦Agriculture, Wildlife PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS 1. a. Volume of wastewater to be permitted ♦.015 MGD (Ultimate Design Capacity) b. What is the current permitted capacity of the Wastewater Treatment facility? ♦.030 MGD C. Actual treatment capacity of the current facility (current design capacity ♦.015 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: ♦Existing facility is an extended aeration type wastewater treatment facility with two stage, aerated, sludge holding and effluent chlorination. Discharge is to Flat Creek in the FBR Basin. f. Please provide a description of proposed wastewater treatment facilities: g. Possible toxic impacts to surface waters: h. Pretreatment Program (POTWs only): in development approved should be required not needed Page 2 2. Residuals handling and utilization/disposal scheme: a. If residuals are being land applied, please specify DEM Permit Number Residuals Contractor Telephone Number b. Residuals stabilization: PSRP ♦ PFRP ♦ OTHER C. Landfill: d. Other disposal/utilization scheme (Specify): ♦Solids are wasted to the MSD of Buncombe County (POTW) - Contract with Chuck Gross pumping service. 3. Treatment plant classification (attach completed rating sheet): Class II Plant 4. SIC Codes(s): ♦4952 Primary ♦08 Secondary Main Treatment Unit Code: ♦06007 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 Page 3 6 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: Connection to Regional Sewer System: Subsurface: Other disposal options: 5. Other Special Items: PART IV - EVALUATION AND RECOMMENDATIONS ♦It is recommended that the NPDES permit for Edens Glen Mobile Village be reissued as requested. Owner has verified that the design flow of the existing facility (15,000 gpd) should be the permitted flow. Signature of Report Preparer Water Quality Regional Supervisor Date Page 4