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Home My WebLink AboutNC0088200_Regional Office Historical File Pre 2016NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Governor September 11, 2015 Morgan Huffman Utilities Director Thomasville Wastewater Treatment Plant P.O. Box 368 Thomasville, NC 27361 Reference: Thomasville WTP Alum Lagoon NPDES Permit No. NC0088200, Davidson County Dear Mr. Huffman: Donald van der Vaart Secretary Our office has reviewed the Groundwater Quality Monitoring Compliance Report Forms (GW-59) for the subject facility that were previously submitted. Based on this review, no further groundwater monitoring is recommended at the facility. The monitoring wells (MW-1, MW-2, and MW-3) should be abandoned in accordance with North Carolina Administrative Title 15A, Subchapter 2C, Section .0113. The wells should be abandoned within 30 days from the receipt of this letter and well abandonment records should be submitted to this office within 30 days after well abandonment. If this timeframe is too short to comply, please write a letter with your proposed schedule for well abandonment within 15 days of receipt of this letter to this office. If you have any questions regarding this letter, please contact me or Jim Gonsiewski at (336) 776-9800. Sincerely, Sherri V. Knight, P. E. Assistant Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NCDENR - WSRO cc: WSRO Files Thomas Belnick, NPDES Unit 450 W. Hanes Mill Road, Suite 300, Winston-Salem, North Carolina 27105 Phone: 336-776-98001 FAX: 336-776-97971 Customer Service 1-877-623-6748 Internet: www.ncdenr.gov - www.ncwater.ors An Equal Opportunity 1 Affirmative Action Employer AL NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Governor February 11, 2015 Mr. Kelly Craver, City Manager City of Thomasville P.O. Box 368 Thomasville, NC 27361 SUBJECT: Compliance Evaluation Inspection Thomasville WTP Permit No. NCO088200 Davidson County Dear Mr. Craver: Donald R. van der Vaart Secretary A compliance Evaluation Inspection was performed at Thomasville's Water Treatment Plants on February 5, 2015 by Jenifer Carter of the Winston-Salem Regional Office. Misty Conder, ORC, was present for the inspection. This type of inspection consists of two basic parts: a review of facility files and self -monitoring data, and an on -site inspection of the lagoon. The lagoon no longer discharges and has become naturalized, being covered in trees. Alum sludge is now treated and land -filled via the wastewater treatment plant, as per 503 regulations. Maintenance, Operator and Lab records are maintained as required. Please review the enclosed inspection form for more detailed information. If you have any questions, please call Jenifer Carter at (336) 776-9691. enclosure cc: DWR central files WSRO files Sincerely, W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NC DENR 450 W Hanes Mill Rd., Suite 300, Winston-Salem, NC 27105 Phone: 336-776-98001 Internet: www.ncdenr.gov An Equal Opportunity 1 Affirmative Action Employer — Made in part by recycled paper United States Environmental Protection Agency Form Approved. EPA Washington, D.C.20460 OMB No. 2040-0057 Water Compliance Inspection Report Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type 1 IN 1 2 U 3 I NCO088200 I11 12 15/02/05 117 18I,.I 19 L G j 201 I 21 11 I I I I I I I I I I I 1 1 I I I I I I I I I I I I I I I I I I I I 11 J I 1 I I r6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA -- Reserved 67 70 J j 71 I„ I 72 L LN J 73 I I 174 751 I I I I I I 180 �J J I I I Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Date Permit Effective Date POTW name and NPDES permit Number) 10:OOAM 15J02/05 09/07/01 City of Thomasville WTP 200 Old Lexington Rd Exit Time/Date Permit Expiration Date Thomasville NC 273610368 01:30PM 15/02/05 14/04/30 Name(s) of Onsite Representative(s)/ritles(s)/Phone and Fax Number(s) Other Facility Data Misty Conder/ORC/336-475-4246 /3364760130 Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Kelly Craver,PO Box 368 Thomasville NC 273610368//336-475-4220/3364754283 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date Jenif Carter WSRO WQ//336-771-5000/ — `./ Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date A!tw—�- li -TO4 . - Dk.- comae 1543 71:pd ` EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# NPDES yr/mo/day Inspection Type 1 31 Nco0882oo I11 12 15/02/05 17 18 i c i Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# 2 9 f Permit: NCO088200 Owner - Faciliity: City of Thomasville WTP Inspection Date: 02/05/2015 Inspection Type: Compliance Evaluation Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new ❑ ❑ ❑ application? Is the facility as described in the permit? M ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ M ❑ ❑ Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑ Comment: Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? 0 ❑ ❑ ❑ Is all required information readily available, complete and current? ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? 0 ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? ❑ ❑ 0 ❑ Is the chain -of -custody complete?. ❑ ❑ 0 ❑ Dates, times and location of sampling ❑ Name of individual performing the sampling ❑ Results of analysis and calibration ❑ Dates of analysis ❑ Name of person performing analyses ❑ Transported COCs ❑ Are DMRs complete: do they include all permit parameters? ❑ ❑ M ❑ Has the facility submitted its annual compliance report to users and DWQ? 0 ❑ ❑ ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator ❑ ❑ 0 ❑ on each shift? Is the ORC visitation log available and current? 0 ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? M ❑ ❑ ❑ Is the backup operator certified at one grade less or greater than the facility classification? 0 ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? M ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? 0 ❑ ❑ ❑ Comment: The lagoon has not discharged since 2008 Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ 0 ❑ Is sample collected below all treatment units? ❑ ❑ 0 ❑ Page# 3 Permit: NCO088200 Owner - Facility: City of Thomasville WfP Inspection Date: 02/05/2015 Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE Is proper volume collected? ❑ ❑ M ❑ Is the tubing clean? ❑ ❑ M ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees ❑ ❑ ❑ Celsius)? Is the facility sampling performed as required by the permit (frequency, sampling type ❑ ❑ ❑ representative)? Comment: No discharge since 2008 Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? ❑ ❑ M ❑ Is flow meter calibrated annually? ❑ ❑ 0 ❑ Is the flow meter operational? ❑ ❑ M ❑ (if units are separated) Does the chart recorder match the flow meter? ❑ ❑ M ❑ Comment: Operations $ Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑ Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable ❑ ❑ 0 ❑ Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Lagoons Yes No NA NE Type of lagoons? # Number of lagoons in operation at time of visit? 1 Are lagoons operated in? # Is a re -circulation line present? ❑ ❑ ❑ Is lagoon free of excessive floating materials? ❑ ❑ 0 ❑ # Are baffles between ponds or effluent baffles adjustable? ❑ ❑ 0 ❑ Are dike slopes clear of woody vegetation? ❑ 0 ❑ ❑ Are weeds controlled around the edge of the lagoon? ❑ ❑ 0 ❑ Are dikes free of seepage? ❑ ❑ 0 ❑ Are dikes free of erosion? ❑ ❑ M ❑ Are dikes free of burrowing animals? ❑ ❑ 0 ❑ Page# 4 i Permit: NCO088200 Owner - Facility: City of Thomasville WTP Inspection Date: 02/05/2015 Inspection Type: Compliance Evaluation Lagoons Yes No NA NE # Has the sludge blanket in the lagoon (s) been measured periodically in multiple ❑ ❑ 0 ❑ locations? # If excessive algae is present, has barley straw been used to help control the growth? ❑ ❑ 0 ❑ Is the lagoon surface free of weeds? ❑ 0 ❑ ❑ Is the lagoon free of short circuiting? ❑ ❑ 0 ❑ Comment: - De -chlorination Yes No NA NE Type of system ? Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ 0 ❑ Is storage appropriate for cylinders? ❑ ❑ 0 ❑ # Is de -chlorination substance stored away from chlorine containers? ❑ ❑ M ❑ Comment: Are the tablets the proper size and type? ❑ ❑ 0 ❑ Are tablet de -chlorinators operational? ❑ ❑ 0 ❑ Number of tubes in use? Comment: Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? 0 ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? M ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ M ❑ Comment: There has been no sludge added to the unlined lagoon, and no discharge since 2008. It is now dry and naturalized with trees growing throught. Page# 5 A NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory Governor March 31, 2014 Mr. Kelly Craver, City Manager City of Thomasville P.O. Box 368 Thomasville, NC 27361 SUBJECT: Compliance Evaluation Inspection Thomasville WTP Permit No. NCO088200 Davidson County Dear Mr. Craver: John E. Skvarla, III Secretary A compliance Evaluation Inspection was performed at Thomasville's Water Treatment Plants on March 5, 2014 by Jenifer Carter of the Winston-Salem Regional Office. Ms. Misty Conder, ORC, was present for the inspection. This type of inspection consists of two basic parts: a review of facility files and self -monitoring data, and an on -site inspection of the lagoon. No effluent has been discharged since March 2008, with no sludge sent to the lagoon since February 2008. Long-term options are being studied for disposal of the sludge, and possibly closing the lagoon. In the meantime, alum sludge is treated and land -filled via the wastewater treatment plant, as per 503 regulations. Maintenance, Operator and Lab records are maintained as required. Please review the enclosed inspection form for more detailed information. If you have any questions, please call Jenifer Carter at (336) 771-4957. enclosure cc: SWP central files WSRO files Sincerely, W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, NC DENR 585 Waughtown St., Winston-Salem, NC 27107 Phone: 336-771-50001 Internet: www.ncdenr.gov An Equal Opportunity 1 Affirmative Actioh Employer— Made in part by recycled paper United States Environmental Protection Agency Form Approved. E P ^/'1 Washington, D.C. 20460 OMB No. 2040-0057 Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type 1 I NI 2 15I 31 NCO088200 111 121 14/03/05 117 18I C I 191 c I 20I I J Remarks 2111111111 1111 111111111111 1111 11111111 1111 11111116 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA —------ --------------- Reserved ----------- ----- 67I 169 70131 711 7N I 73I1 _u74 751 I I I I I 80 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Date Permit Effective Date POTW name and NPDES permit Number) City of Thomasville WTP 01:00 PM 14/03/05 09/07/01 Exit Time/Date Permit Expiration Date 200 Old Lexington Rd Thomasville NC 273610368 02:00 PM 14/03/05 14/04/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Misty Conder/Lab Supervisor/336-475-4246 / Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Kelly Craver,PO Box 368 Thomasville NC 273610368//336-475-4220/3364754283 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement 0 Operations & Maintenance Records/Reports Self -Monitoring Program 0 Sludge Handling Disposal 0 Facility Site Review Effluent/Receiving Waters Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date Jenifer Carter WSRO WQ//336-771-50001 Signature of Management Q A Reviewer Agency/Office/Phone'a�n'dd Fax Numbers Date a - JA, - z0 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page # 1 NPDES yr/mo/day Inspection Type 1 3 NCO088200 I11 12I 14/03/05 117 $ C Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) There has been no discharge noted from the lagoon since 2008. Since then, it appears to have dried out and is growing in with woody and non -woody vegetation. Page # 2 Permit: NCO088200 Owner - Facility: City of Thomasville WTP Inspection Date: 03/05/2014 Inspection Type: Compliance Evaluation Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new application? Is the facility as described in the permit? # Are there any special conditions for the permit? Is access to the plant site restricted to the general public? Is the inspector granted access to all areas for inspection? Comment: Record Keeping Are records kept and maintained as required by the permit? Is all required information readily available, complete and current? Are all records maintained for 3 years (lab. reg. required 5 years)? Are analytical results consistent with data reported on DMRs? Is the chain -of -custody complete? Dates, times and location of sampling Name of individual performing the sampling Results of analysis and calibration Dates of analysis Name of person performing analyses Transported COCs Are DMRs complete: do they include all permit parameters? Has the facility submitted its annual compliance report to users and DWQ? (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift? Is the ORC visitation log available and current? Is the ORC certified at grade equal to or higher than the facility classification? Is the backup operator certified at one grade less or greater than the facility classification? Is a copy of the current NPDES permit available on site? Facility has copy of previous year's Annual Report on file for review? Comment: The facility has reported zero discharge since 2008 Effluent Sampling Is composite sampling flow proportional? Yes No NA NE Yes No NA NE Page # 3 Permit: NCO088200 Owner - Facility: City of Thomasville WTP Inspection Date: 03/05/2014 Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE Is sample collected below all treatment units? ❑ ❑ ■ ❑ Is proper volume collected? n ❑ ■ ❑ Is the tubing clean? OOM ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? ❑ ❑ ■ ❑ Is the facility sampling performed as required by the permit (frequency, sampling type representative)? 1000 ❑ Comment: zero discharge reported since 2008 Flow Measurement - Effluent # Is flow meter used for reporting? Is flow meter calibrated annually? Is the flow meter operational? (If units are separated) Does the chart recorder match the flow meter? Comment: Operations $ Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? ■ n n n Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge ❑ ❑ ■ ❑ Judge, and other that are applicable? Comment: Lagoons Yes No NA NE Type of lagoons? # Number of lagoons in operation at time of visit? 1 Are lagoons operated in? # Is a re -circulation line present? ❑ ❑ ■ ❑ Is lagoon free of excessive floating materials? ❑ ❑ ■ ❑ # Are baffles between ponds or effluent baffles adjustable? ❑ ❑ ■ ❑ Are dike slopes clear of woody vegetation? ❑ ■ ❑ ❑ Are weeds controlled around the edge of the lagoon? ❑ ■ ❑ ❑ Are dikes free of seepage? n n n ■ Are dikes free of erosion? ■ ❑ ❑ ❑ Are dikes free of burrowing animals? ❑ ❑ ❑ ■ # Has the sludge blanket in the lagoon (s) been measured periodically in multiple locations? ❑ ❑ ■ ❑ Page # 4 Permit: NCO088200 Owner - Facility: City of Thomasville WTP Inspection Date: 03/05/2014 Inspection Type: Compliance Evaluation Lagoons Yes No NA NE # If excessive algae is present, has barley straw been used to help control the growth? ❑ ❑ 0 ❑ Is the lagoon surface free of weeds? ❑ ■ ❑ ❑ Is the lagoon free of short circuiting? ❑ ❑ ■ ❑ Comment: No sludge has been sent to the lagoon since 2008. During the inspection, there was no water in the unlined lagoon. There was woody and non -woody vegetation throughout the dried out lagoon, with zero evidence of current or recent discharge from it. De -chlorination Yes No NA NE Type of system ? Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ ■ ❑ Is storage appropriate for cylinders? ❑ ❑ ■ ❑ # Is de -chlorination substance stored away from chlorine containers? ❑ ❑ ■ ❑ Comment: Are the tablets the proper size and type? ❑ ❑ M Cl Are tablet de -chlorinators operational? ❑ ❑ ■ ❑ Number of tubes in use? Comment: V.. Ali. MA M= Is right of way to the outfall properly maintained? ■ ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? ■ ❑ ❑ ❑ If effluent (diffuser pipes are required) are they operating properly? ❑ 0 M ❑ Comment: No discharge noted since 2008. Page # 5 ED N.C. Dept.of ENR �� NCDENR NOV 2 1 2013 North Carolina Department of Environment and Natural ResourceswlNSTON-SALEIU: REGIONAL OFFIrF Pat McCrory Governor November 19, 2013 Thomasville WTP PO Box 368 Thomasville, NC 22361 Subject: Receipt of permit renewal application NPDES Permit NCO088200 Davidson County Dear Mr. William K. Craver, John E. Skvarla, III Secretary The NPDES Unit received your permit renewal application on November 4th, 2013. This permit renewal has been assigned Jackie Nowell (919-807-6386) who will contact you if any additional information is required to complete your permit renewal. Due to current backlog, you should continue to operate under terms of your current permit, until a new permit is issued. If you have any questions, please contact the assigned permit writer. Sincerely, WJeff Poupart Point Source Branch Program Supervisor IV Cc: Central Files Winton -Salem Regional Office NPDES Unit 1601 Mail Service Center, Raleigh, North Carolina 27699-1601 One Phone: 919-707-86001 Internet: www.ncdenr.gov NorthCarofiina An Equal Opportunity 1 Affirmative Action Employer— 50% Recycled 110% Post Consumer Paper AmmiLl y October 30, 2013 NC DENR/ DWQ / Point Source Branch 1617 Mail Service Center Raleigh, NC 27699-1617 Attention: Mr. Charles H. Weaver RE: Permit Renewal for NC 0088200 Dear Mr. Weaver, IFF- RECEIVED N.C. Dept. of ENR ity of Thomasville NOV 2 1 2013 Hamby Creek WWTP WINSTON-SALEM REGIONAL OFFICE @90 NOV -- 4 2013 The City of Thomasville WTP respectfully submits one original and 2 copies of the permit application for renewal of Permit #NC0088200. Supporting information includes the application, topographic maps, and notes on the preparation of the application, A Sludge Management Plan, as such is not included, but is noted on the application that all solids are discharged for treatment to the City's Hamby Creek Wastewater Treatment Plant. In addition, a PPA (Priority Pollutant Analysis) has not been included, because there is no discharge to the Alum Lagoon, and thus to the creek to take a sample of for analysis. Although wastewater discharge from this facility has ceased at this time, the City does not wish to rescind this permit at this time. Evaluations are still being made to determine the future of this waste treatment lagoon and feasibility options for other waste treatment solutions. Please do not hesitate to contact me for any questions regarding this application. Sincerely, 41aOL'.. Leigh A. "Misty" Conder WWTP Lab Supervisor ORC for NPDES Permit #NC0088200 cc: Kelly Craver, City Manager Morgan Huffinan, Public Services Director I PO Box 368 Phone: 336-475-4246 Thomasville, NC 27361 Fax: 336-476-0130 NPDES PERMIT APPLICATION - SHORT FORM C - WTP For discharges associated with water treatment plants Mail the complete application to: N. C. Department of Environment and Natural Resources Division of Water Quality / NPDES Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 Q NOV - 4 2013 DENR-WATER QUALITY POINT SOURCE BRANCH NPDES Permit Number INCO088200 If you are completing this form in computer use the TAB key or the up - down arrows to move from one field to the next. To check the boxes, click your mouse on top of the box. Otherwise, please print or type. 1. Contact Information: Owner Name Facility Name Mailing Address City State / Zip Code Telephone Number Fax Number e-mail Address City of Thomasville Thomasville Water Treatment Plant PO Box 368 Thomasville NC, 72361 (336)475-4247 Misty. Conder@thomasville-nc.gov 2. Location of facility producing discharge: Check here if same as above ❑ Street Address or State Road City State / Zip Code County Old Lexington Rd Thomasville NC, 27360 Davidson 3. Operator Information: Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the Operator in Responsible Charge or ORC) Name City of Thomasville Mailing Address PO Box 368 City Thomasville State / Zip Code NC, 27361 Telephone Number (336)475-4246 Fax Number (336)476-0130 4. Ownership Status: Federal ❑ State ❑ Private ❑ Public X Page 1 of 3 Version 5/2012 NPDES PERMIT APPLICATION - SHORT FORM C - WTP For discharges associated with water treatment plants S. Type of treatment plant: X Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by filtration and disinfection) ❑ Ion Exchange (Sodium Cycle Cationic ion exchange) ❑ Green Sand Filter (No sodium recharge) ❑ Membrane Technology (RO, nanofiltration) Check here if the treatment process also uses a water softener ❑ 6. Description of source water(s) (i.e. groundwater, surface water) Surface Water - Lake Thoma-lex 7. Describe the treatment process(es) for the raw water: Potassium Permanganate added at wet well S. Describe the wastewater and the treatment process(es) for wastewater generated by the facility: The waste water is the alum sludge generated during the flocculation process and settled out in the sedimentation basins and backwashed from the filters. Waste water is discharged to the City Sewer for treatment at the Hamby Creek Wastewater Treatment Plant. There is also an Alum Lagoon for setting alum waste from the discharge, but that facility is not currently active. It has been closed pending funding for a cleanout. No discharges have occurred to the Alum Lagoon since March 2010. 9. Number of separate discharge points: 1 Outfall Identification number(s) 001 10. Frequency of discharge: Continuous X Intermittent ❑ If intermittent: Days per week discharge occurs: Duration: 11. Plant design potable flowrate 6.0 MGD Backwash or reject flow 0.30 MGD 12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including latitude and longitude): Unnamed tributary to Rich Fork Creek to Abbotts Creek to Yadkin River. 13. Please list all water treatment additives, including cleaning chemicals or disinfection treatments, that have the potential to be discharged. Alum / aluminum sulfate Yes X No Page 2 of 3 Version 5/2012 NPDES PERMIT APPLICATION - SHORT FORM C - WTP For discharges associated with water treatment plants Iron sulfate / ferrous sulfate Yes No X Fluoride Yes X No Ammonia nitrogen / Chloramines Yes No X Zinc -orthophosphate or sweetwater CP1236 Yes No X List any other additives below: Potassium permanganate, Caustic Soda Sodium Hexametaphosphate, MIOX-Sodium Hypochlorite 14. Is this facility located on Indian country? (check one) Yes ❑ No X 15. Additional Information: Provide a schematic of flow through the facility, include flow volumes at all points in the water treatment process. The plan should show the point[s] of addition for chemicals and all discharges routed to an outfall [including stormwater]. Solids Handling Plan - Solids are disposed with the Alum Waste to the Hamby Creek Waste Water Plant. 16. NEW Applicants Information needed in addition to items 1-I S: New applicants must contact a permit coordinator with the NCDENR Customer Service Center. Was the Customer Service Center contacted? ❑ Yes ❑ No Analyses of source water collected Engineering Alternative Analysis Discharges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a water quality model. 17. Applicant Certification I certify that I am familiar with the information contained in the application and that to the best of my knowledge and belief such information is true, complete, and accurate. William Kelly Craver City Manager Prin ed name of erson Signing Title ^ lU�3t 113 Signature Date North Carolina General Statute 143-215.6 (b)(2) provides that: Any person who knowingly makes any false statement representation, or certification in any application, record, report, plan, or other document files or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable by a fine not to exceed $25,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section 1001 provides a punishment by a fine of not more than $25,000 or imprisonment not more than 5 years, or both, for a similar offense.) Page 3 of 3 Version 5/2012 Figure I Alum Sludge Lagoon Site Plan 73z 70 ;7"KIM LEY, r'E- 'v', yl J%i so LPG_ .� ' , •�' f4` /. vti..% __� _� / 1' 1 � S a ^_ Pro N'_ ',rharge Point =N35 5 GSO lt I`r / �'• \\ 'w`C 1'r'iNtr/�. \ ';; f , �.` ,y`3! llq,lf � hi c / � � •• / ' r is i g Alumm Rbirlor Tag nn ,i- ORL RU# E 1/ �/'' •�_F '11. '; - _� _,, ` G PvG PIP w MO.E LfOYIRO JLYR d LORA/ROEq 'l• 1 . L 1611 111-fi t,,* STEEL P�5T5 ' ✓ - ZOv- yr Rer X ]. Water Treatment Plant Schematic WATER TREATMENT PLANTIMPROVEMENTS THOMASVILLE. NC. Awri-gy; NCDENR North Carolina Department of Environment and Natural resources Beverly Eaves Perdue Governor Division of Water Quality Charles Wakild, P.E Director January 4, 2012 Mr. Kelly Craver, City Manager City of Thomasville P.O. Box 368 Thomasville, NC 27361 SUBJECT: Compliance Evaluation Inspection Thomasville WTP Permit No. NCO088200 Davidson County Dear Mr. Craver: Dee Freeman Secretary A compliance Evaluation Inspection was performed at Thomasville's Water Treatment Plants on December 6, 2011 by Jenifer Carter of the Winston-Salem Regional Office. Ms. Misty Conder, ORC, was present for the inspection. This type of inspection consists of two basic parts: a review of facility files and self -monitoring data, and an on -site inspection of the lagoon. Since there is no sludge storage capacity left in the lagoon, no effluent has been discharged since March 2008, with no sludge sent to the lagoon since February 2008. Long-term options are being studied for disposal of the sludge, and possibly closing the lagoon. In the meantime, alum sludge is treated and land -filled via the wastewater treatment plant, as per 503 regulations. There were no discrepancies noted in the records review. Please review the enclosed inspection form for more detailed information. If you have any questions, please call Jenifer Carter at (336) 771-4957. Sincerely, W. Corey Basinger Surface Water Regional Supervisor Winston-Salem Regional Office Division of Water Quality enclosure cc: SWP central files North Carolina Division of Water Quality, Winston-Salem Regional Office Location: 585 Waughtown St. Winston-Salem, North Carolina 27107 Phone: 336-771-50001 FAX: 336-771-46301 Customer Service: 1-877-623-6748 Internet: www.ncwatergLiality.org Nne orthCarolina Natura!!Y An Equal Opportunity ! Affumative .Action Employer United States Environmental Protection Agency Form Approved. EPA Washington, D.C. 20460 OMB No. 2040-0057 Approval expires 8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type 1 INI 2 I S) 31 NC0088200 111 121 11 /12/06 117 181 C I 191 c I 20 I I LJ l-1 lJ U IJ Remarks 211111111111111111111111111111111111111111111111J6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 CIA ------------- --- ---- -----Reserved-------------- 67 I 169 70 U 3 71) N 72 ) N 73 � 74 751 I I I I I I J 80 �'----�' �--� Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include Entry Time/Date Permit Effective Date POTW name and NPDES permit Number) 10:00 AM 11/12/06 09/07/01 City of Thomasville WTP 200 Old Lexington Rd Exit Time/Date Permit Expiration Date Thomasville NC 273610368 11:30 AM 11/12/06 14/04/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Misty Conder/Lab Supervisor/336475-4246 / Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Kelly Craver,PO Box 368 Thomasville NC 273610368/City Manager/336-475-4220/3364754ZO.3 Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date Jen' Carter ppy �/l WSRO WQ//336-771-5000/ Jam/ Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page # 1 NPDES yr/mo/day Inspection Type 3I NCO088200 I11 121 11/12/06 117 18I ^I Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page # 2 Permit: NCO088200 Owner - Facility: City of Thomasville WTP Inspection Date: 12/06/2011 Inspection Type: Compliance Evaluation Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new application? ■ ❑ ❑ ❑ Is the facility as described in the permit? ■ ❑ ❑ ❑ # Are there any special conditions for the permit? ❑ ■ ❑ ❑ Is access to the plant site restricted to the general public? ■ ❑ ❑ ❑ Is the inspector granted access to all areas for inspection? ■ ❑ ❑ ❑ Comment: Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? ■ ❑ ❑ ❑ Is all required information readily available, complete and current? ■ ❑ ❑ ❑ Are all records maintained for 3 years (lab. reg. required 5 years)? ■ ❑ ❑ ❑ Are analytical results consistent with data reported on DMRs? ❑ ❑ ■ ❑ Is the chain -of -custody complete? ❑ ❑ ■ ❑ Dates, times and location of sampling ❑ Name of individual performing the sampling ❑ Results of analysis and calibration ❑ Dates of analysis ❑ Name of person performing analyses ❑ Transported COCs ❑ Are DMRs complete: do they include all permit parameters? ■ ❑ ❑ ❑ Has the facility submitted its annual compliance report to users and DWQ? ■ ❑ ❑ ❑ (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift? ❑ ❑ ■ ❑ Is the ORC visitation log available and current? ■ ❑ ❑ ❑ Is the ORC certified at grade equal to or higher than the facility classification? ■ ❑ ❑ ❑ Is the backup operator certified at one grade less or greater than the facility classification? ■ ❑ ❑ ❑ Is a copy of the current NPDES permit available on site? ■ ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? ■ ❑ ❑ ❑ Comment: Effluent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ❑ ■ ❑ Page # 3 Permit: NCO088200 Owner - Facility: City of Thomasville WTP Inspection Date: 12/06/2011 Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE Is sample collected below all treatment units? 1100 ❑ Is proper volume collected? DOE ❑ Is the tubing clean? ❑ ❑ ■ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? ❑ ❑ ■ ❑ Is the facility sampling performed as required by the permit (frequency, sampling type representative)? ❑ ❑ ■ ❑ Comment: Have not discharged from lagoon since 2008. Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? Is flow meter calibrated annually? Is the flow meter operational? ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ ❑ ❑ ■ ❑ (If units are separated) Does the chart recorder match the flow meter? ❑ ❑ ■ ❑ Comment: Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? ODDS Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge ❑ ❑ ❑ ■ Judge, and other that are applicable? Comment: Lagoons Yes No NA NE Type of lagoons? # Number of lagoons in operation at time of visit? 1 Are lagoons operated in? # Is a re -circulation line present? ❑ ❑ ■ ❑ Is lagoon free of excessive floating materials? ❑ ❑ ■ ❑ # Are baffles between ponds or effluent baffles adjustable? ❑ ❑ ■ ❑ Are dike slopes clear of woody vegetation? ❑ ■ ❑ ❑ Are weeds controlled around the edge of the lagoon? ❑ ■ ❑ ❑ Are dikes free of seepage? ■ ❑ ❑ ❑ Are dikes free of erosion? ■ ❑ ❑ ❑ Are dikes free of burrowing animals? ■ ❑ ❑ ❑ # Has the sludge blanket in the lagoon (s) been measured periodically in multiple locations? ❑ ❑ ■ ❑ Page # 4 0 Permit: NC0088200 Owner - Facility: City of Thomasville WTP Inspection Date: 12/06/2011 Inspection Type: Compliance Evaluation Lagoons Yes No NA NE # If excessive algae is present, has barley straw been used to help control the growth? ❑ ❑ ■ ❑ Is the lagoon surface free of weeds? ❑ ■ ❑ ❑ Is the lagoon free of short circuiting? Comment: The lagoon is not lined. Cattails and other vegetation are allowed to grow within and around the perimeter of the lagoon, except on the dam where an access road is maintained. Sludge is no longer sent to the lagoon from the WTP. De -chlorination Type of system ? Is the feed ratio proportional to chlorine amount (1 to 1)? Is storage appropriate for cylinders? # Is de -chlorination substance stored away from chlorine containers? Comment: Are the tablets the proper size and type? Are tablet de -chlorinators operational? Number of tubes in use? Comment: Effluent Pipe Is right of way to the outfall properly maintained? Are the receiving water free of foam other than trace amounts and other debris? If effluent (diffuser pipes are required) are they operating properly? Comment: ❑❑■❑ ❑ ❑ ■ ❑ Page # 5 Wastewater Treatment Plant PERFORMANCE ANNUAL REPORT 2011 I. GENERAL INFORMATION Facility/System Name: City of Thomasville Hamby Creek Waste Treatment Plant RECEIVED Responsibility Entity: City of Thomasville N.C.Dept. of ENR P.O. Box 368 FEB 21 2012 Thomasville, NC, 27360 Winston-Salem Person in Charge/Contact: Allen Beck, Plant Superintendent Regional Office P.O. Box 368 Thomasville, NC, 27360 (336) 475-4246 Applicable NPDES Permits: NC000241 12 (Wastewater Treatment Plant), WQCS00057 (Collection System), NCG 1 10000 COC#NCG 110094 (Stonnwater- Ind ustrial Site), WQ0006050 Non -Discharge (Sludge Disposal), NC0088200 (Alum Lagoon) CERTIFIED MAIL RETURN RECEIPT NUMBER: 7009 0820 0002 0795 4089 Description of Collection System: The Thomasville sanitary sewer collection system is currently comprised of a system of 209.35 miles, or 1,105,367 linear feet of pipe, and 26 sewage lift stations spread throughout the area. Description of Treatment Process: Hamby Creek W WTP is a 6.OMGD capacity grade 4 wastewater treatment facility using the 5-Stage Bardenpho process with post aeration to achieve biological nutrient reduction of both phosphorus and nitrogen. Headworks equipment consists of an automated solids removal bar screen and a grit removal system. Secondary treatment consists of two parallel trains of treatment, each consisting of an anaerobic zone, an anoxic zone, an oxidation ditch, and second anoxic zone, and reaeration. Removal of activated sludge is accomplished in two circular secondary clarifiers equipped for removal of solids for return to the process or wasting to a digestion system. Effluent from the two circular clarifiers is filtered through 10 micron disk filters and then receives disinfection via a UV system prior to post aeration and discharge into Hamby Creek. A proprietary solids reduction process is also in place via a side stream to reduce the amount of solids that must be removed. Waste activated sludge is belt pressed and landfilled or anaerobically digested to standards for class B sludge as defined by EPA in CFR Part 503 then applied to farm land as a beneficial reuse. No land application of biosolids from Thomasville occurred in 2011. II. PERFORMANCE In 2011 Hamby Creek WWTP treated 771.5 Million Gallons of wastewater at an average daily flow of 2.114 MGD. The treatment plant was in compliance for all effluent parameters for all 12 months of the year; however 32 sanitary sewer overflows were experienced as summarized in the table below. Seventeen of the thirty-two sanitary sewer overflows were less than one -thousand gallons in volume. The City has applied with the State Revolving Loan fund and been notified that funding has been allocated for three L projects to be performed on the collection system that will help to make Thomasville's sanitary sewer system more reliable and to reduce the number of sanitary sewer overflows experienced. These include the upgrade of two of the largest pump stations the city maintains as well as the first phase of the replacement of the North Hamby Creek Outfall Line. Three things that users of the system can do to help prevent overflows are: 1) NEVER place grease or oil into the sanitary sewer system. It may be liquid in your pan, but it becomes as hard as concrete in the sewer system. Instead, place grease and oil wastes into the garbage. 2) Make sure no trees or shrubs grow on or near any sewer lines that may pass through your yard. Their roots will seek out the water being carried in the pipes and penetrate the pipe at the joints, creating a blockage. 3) Make sure no roof or yard drains are hooked into the sanitary sewer system. The sanitary sewer system can become overloaded during rainfall events if roof or yard drains are mistakenly connected to the sanitary sewer system. Roof and yard drains should be run off into open areas or a rain garden for absorption into the ground and by plants. SANITARY SEWER OVERFLOWS During 2011 the City of Thomasville experienced 32 sanitary sewer overflows, 25 of these reached surface waters. There were no known environmental impacts from these sanitary sewer overflows. There were 7 spills that did not reach surface waters. These spills are summarized in the table below. Month Date Location Volume (Gallons) Cause Reached Surface Waters of the State? January Zero Compliant February 04-Feb-11 W Cooksey Drive 10000 Inflow/Infiltration Yes 07-Feb-11 W Holly Hill Road 50 Debris in Line No 25-Feb-11 W Cooksey Drive 292500 Pump Station Equipment Failure Yes March 10-Mar- 11 Blair Street 10 Debris in Line No 18-Mar- 11 Julian Avenue 150000 Debris in Line Yes 22-Mar- 11 Rodelia Street 20 Debris in Line Yes 25-Mar- 11 Fairview Road 56 Roots Yes April 04-Apr-11 W Colonial Drive 83136 Pipe Failure Yes 09-Apr-11 Blair Street 2052 Grease Yes 29-Apr-11 Fisher Ferry Street 500 Pipe Failure No May 06-May- 11 Old Emanuel Church Road 1270 Pipe Failure No 17-May- 11 W Cooksey Drive 44950 Power Outage Yes June 09-Jun-11 W Colonial Drive 100 Debris in Line Yes 21-Jun-11 Spruce Street 100 Grease Yes July 02-Jul-11 Oakwood & Fairway 325 Grease Yes 05-Jul-11 Randolph Street 820 Grease Yes 09-Jul-11 Old Emanuel Church Road 238705 Inflow/Infiltration, Severe Natural Condition Yes 12-Jul-11 Spruce Street 10 Pipe Failure Yes 23-Jul-11 W Cooksey Drive 50 Pump Station Yes ,! Equipment Failure August 03-Aug- Yes 11 W Colonial Drive 105 Pipe Failure September 20-Sep-11 King Row 500 Grease No 23-Sep-11 Cox Avenue 3500 Roots Yes Old Emanuel Church Yes 23-Sep-11 Road 79000 Inflow/Infiltration October 15-Oct-11 Burke Trail 760 Roots Yes Pump Station Yes 29-Oct-11 W Cooksey Drive 1500 Equipment Failure November 04-Nov- Yes 11 W Cooksey Drive 3750 Inflow/Infiltration 04-Nov- Yes 11 W Cooksey Drive 45938 Inflow/Infiltration 08-Nov- Baptist Children's No 11 Home Road 350 Pipe Failure 08-Nov- No 11 Pineywood Road 4815 Pipe Failure 16-Nov- Old Emanuel Church Yes 11 Road 18297 Inflow/Infiltration December 14-Dec- Yes 11 Liberty Drive 450 Grease 28-Dec- Yes 11 Ward Street 50 Grease III. NOTIFICATION Public notification of the availability of this report was made using the city government information channel (cable channel 13) and the City web site. This report was prepared and issued in compliance with the North Carolina Clean Water Act of 1999. Copies of this report are available at the City of Thomasville Water Department located in City Hall, 10 Salem St., Thomasville, N.C, and on the City web site http::'iw«w.thomasville-nc.eov/ . IV. CERTIFICATION I certify under penalty of law that this report is complete and accurate to the best of my knowledge. I further certify that this has been made available to the users or customers of the named system and that those users have been notified of its availability. 2`i3�IZ Kely Crater Date Responsible Pkrson Title: City Manager Entity: City of Thomasville Explanation of Acronyms Used: NPDES: National Pollutant Discharge Elimination System MGD: Million Gallons per Day ll jf�, Toll l a; 7. E �r N�� 3h'• ..4- ml v c n -- e I Wastewater Treatment Plant PERFORMANCE ANNUAL REPORT 2010 I. GENERAL INFORMATION Facility/System Name: City of Thomasville Hamby Creek Waste Treatment Plant Responsibility Entity: City of Thomasville P.O. Box 368 Thomasville, NC, 27360 Person in Charge/Contact: Allen Beck, Plant Superintendent P.O. Box 368 Thomasville, NC, 27360 (336) 475-4246 RECL , N.C. Dc JAN 2 8 201 Win= Reo D JAN 2 5 2011 Dt-; Jf`Y PONT i0c,i: GL 6.- ...'CH Applicable Permits: NPDES NC00024112 (Wastewater Treatment Plant), WQCS00057 (Collection System), NCGI10000 COC#NCG110094 (Stormwater-Industrial Site), WQ0006050 Non -Discharge (Sludge Disposal), NCO088200 (Alum Lagoon) CERTIFIED MAIL RETURN RECEIPT NUMBER: 7009 0820 0002 0795 4065 Description of Collection System: The Thomasville sanitary sewer collection system is currently comprised of a system of 209.35 miles, or 1,105,367 linear feet of pipe, and 26 sewage lift stations spread throughout the area. Description of Treatment Process: Hamby Creek WWTP is a 6.OMGD capacity grade 4 wastewater treatment facility using the 5-Stage Bardenpho process with post aeration to achieve biological nutrient reduction of both phosphorus and nitrogen. Headworks equipment consists of an automated solids removal bar screen and a grit removal system. Secondary treatment consists of two parallel trains of treatment, each consisting of an anaerobic zone, an anoxic zone, an oxidation ditch, and second anoxic zone, and reaeration. Removal of activated sludge is accomplished in two circular secondary clarifiers equipped for removal of solids for return to the process or wasting to a digestion system. Effluent from the two circular clarifiers is filtered through 10 micron disk filters and then receives disinfection via a UV system prior to post aeration and discharge into Hamby Creek. A proprietary solids reduction process is also in place via a side stream to reduce the amount of solids that must be removed. Waste activated sludge is belt pressed and landfilled or anaerobically digested to standards for class B sludge as defined by EPA in CFR Part 503 then applied to farm land as a beneficial reuse. No land application of biosolids from Thomasville occurred in 2010. II. PERFORMANCE In 2010 Hamby Creek WWTP treated 893.2 Million Gallons of wastewater at an average daily flow of 2.447 MGD. The plant was out of compliance for Total Kjeldahl Nitrogen (TKN) sampling in July and both TKN and Low Level Mercury sampling in August. These violations are described in greater detail in the next section of this report. III. MONTHLY REPORT 2010 January: Compliant February: Compliant March: Compliant April: Compliant May: Compliant June: Compliant July: On the July DMR we reported a sampling violation for Total Kjeldahl Nitrogen. The lab personnel failed to pick up the required sample. NCDENR was notified and a corrective action was issued by Thomasville. August: On the August DMR we reported a sampling violation for Total Kjeldahl Nitrogen and Low Level Mercury. Laboratory personnel failed to pick up the required samples. NCDENR was notified and a corrective action was issued by Thomasville. September: Compliant October: Compliant November: Compliant December: Compliant IV. SANITARY SEWER OVERFLOWS During 2010 the City of Thomasville experienced 45 sanitary sewer overflows, 35 of these reached surface waters. There were 10 spills that did not reach surface waters. These spills are summarized in the table below. Date Location Volume (Gallons) Cause Reached Surface Waters of the State? 17-Jan-10 Old Emmanuel Church Rd 29000 Inflow/Infiltration Yes 24-Jan-10 King Row 31000 Debris in Line, Inflow/Infiltration Yes 24-Jan-10 Old Emmanuel Church Rd 82300 Inflow/Infiltration Yes 25-Jan-10 Burke Trail Avenue 6700 Debris in Line Yes 25-Jan-10 High Meadow Road 18000 Inflow/Infiltration Yes 25-Jan-10 Concord Street 27000 Debris in Line, Inflow/Infiltration Yes 25-Jan-10 Tremont Street 3900 Inflow/Infiltration Yes 26-Jan-10 Old Emmanuel Church Rd 20200 Pump Station Equipment Failure Yes 05-Feb-10 Old Emmanuel Church Rd 46700 Inflow/Infiltration Yes 05-Feb-10 Concord Street 5760 Debris in Line, Inflow/Infiltration Yes 03-Mar-10 Tremont Street 860 Grease Yes 04-Mar-10 Between Clark and Brown 500 Debris in Line Yes 05-Mar-10 MLK Jr. Drive 0 Grease No 27-Mar-10 Rapp Street 5000 Debris in Line Yes 30-Mar-10 Carolina Avenue 880 Grease Yes 09-Apr-10 Doak Street 1 Pipe Failure Yes 09-Apr-10 Barrington Street 0 Grease No 10-Apr-10 Burke Trail Avenue 6900 Debris in Line Yes 19-Apr-10 Carmalt Street 5600 Debris in Line Yes 20-Apr-10 Mason Way 11200 Debris in Line, Vandalism Yes 03-May-10 Meadow Wood Drive 0 Grease, Roots No 05-May-10 Carter Drive 7480 Debris in Line, Roots Yes 23-May-10 Alice Drive 0 Debris in Line No 23-May-10 Tremont Street 500 Debris in Line Yes 27-May-10 Franklin Street 200 Pipe Failure Yes 14-Jul-10 Old Emmanuel Church Rd 3120 Inflow/Infiltration Yes 27-Jul-10 Old Emmanuel Church Rd 65975 Inflow/Infiltration Yes 12-Aug-10 Old Emmanuel Church Rd 13230 Inflow/Infiltration Yes 23-Aug-10 Cannon Street 0 Pipe Failure No 02-Sep-10 Carolina Avenue 50 Pipe Failure Yes 08-Sep-10 Rapp Street 25 Debris in Line Yes 16-Sep-10 Chriswood Avenue 175 Debris in Line, Grease Yes 21-Sep-10 Ward Street 50 Pipe Failure Yes 22-Sep-10 South Street 25 Debris in Line Yes 30-Sep-10 Concord Street 7900 Inflow/Infiltration, Severe Natural Condition Yes 30-Sep-10 Old Emmanuel Church Rd 678900 Inflow/Infiltration, Severe Natural Condition Yes 07-Oct-10 Spruce Street 500 Debris in Line, Other Yes 14-Oct-10 Carmalt Street 10000 Inflow/Infiltration, Other Yes 15-Oct-10 Cloniger Drive 100 Grease No 02-Nov-10 Randolph Street 0 Grease No 05-Nov-10 Ford Street 1800 Debris in Line, Vandalism Yes 05-Nov-10 Mendenhall Street 30 Grease No 30-Nov-10 Hasty School Road 1200 Grease No 01-Dec-10 Morrison Avenue 104058 Grease Yes 29-Dec-10 Rebecca Drive 30 Roots No V. NOTIFICATION Public notification of the availability of this report was made using the city government information channel (cable channel 13). This report was prepared and issued in compliance with the North Carolina Clean Water Act of 1999. Copies of this report are available at the City of Thomasville Water Department located in City Hall, 10 Salem St., Thomasville, N.C. VI. CERTIFICATION I certify under penalty of law that this report is complete and accurate to the best of my knowledge. I further certify that this has been made available to the users or customers of the named system and that those users have been notified of its availability. ul Rush Mitchell Date Responsible Person Title: Interim City Manager Entity: City of Thomasville Explanation of Acronyms Used: NPDES: National Pollutant Discharge Elimination System NCDENR: North Carolina Dept of Environment and Natural Resources NOV: Notice of Violation MGD: Million Gallons per Day DMR: Discharge Monitoring Report BOD: Biochemical Oxygen Demand. A measure of the amount of oxygen consuming matter in water. TSS: Total Suspended Solids ug/1: micrograms per liter or one part per billion mg/1: milligrams per liter or one part per million NCDENR North Carolina Department of Environment and Division of ?,later Quality Beverly Eaves Perdue Coleen H. Sullins Governor Director February 10, 2010 Mr. Kelly Craver, City Manager City of Thomasville P.O. Box 368 Thomasville, NC 27361 SUBJECT: Compliance Evaluation Inspection Thomasville WTP Permit No. NCO088200 Davidson County Dear Mr. Craver: Natural Resources Dee Freeman Secretary A compliance Evaluation Inspection was performed at Thomasville's Water Treatment Plants on January/7, 2010 by Jenifer Carter of the Winston-Salem Regional Office. Ms. Misty Conder, ORC, was present for the inspection. This type of inspection consists of two basic parts: a review of facility files and self -monitoring data, and an on -site inspection of the facilities. Due to lack of any remaining freeboard, as noted in the last inspection report, no effluent has been discharged from the lagoon since March 2008, with no sludge sent to the lagoon since February 2008. However, as noted in the POTW's November 2009 Discharge Monitoring Report, some stormwater (approximately 3,000 gallons) was drained off of the lagoon by operator(s), though the Ms. Conder (Lab Supervisor/ORC) was not notified, so no samples were taken. Steps have been taken to prevent this from occurring again in the future. Long-term options are being studied for disposal of the sludge, and for closing the lagoon. In the meantime, alum sludge is treated and land -filled via the wastewater treatment plant, as per 503 regulations. Overall the plant seemed to be operating sufficiently. Please review the enclosed inspection form for more detailed information. If you have any questions, please call Jenifer Carter at (336) 771-4957. Sincerely, teve W. Tedder Surface Water Regional Supervisor Winston-Salem Regional Office Division of Water Quality enclosure cc: SWP central files WSRO files North Carolina Division of Water Ouaiity, Vehnston-Sa!em Regional Office Location: 585 Vvaughtown St. Winston-Salem, North Carolina 27107 ?hone:336.771-5000 FAX: 336-771-4630',CustomerService: 1-877-623-6748 nternet w..^oi.n,-waterquali',y.org Alatimally NorthCarolina An Fquaf OpFor:.uNty`.,4firmarve Action Emplover United States Environmental Protection Agency Form Approved. EPA Washington, D.C. 20460 OMB No 2040-0057 Water Compliance Inspection Report Approval expires8-31-98 Section A: National Data System Coding (i.e., PCS) Transaction Code NPDES yrimo/day Inspection Type Inspector Fac Type 1 I NI 2 151 31 N00088200 111 121 10/01/07 117 181CI 191 SI 201 I Remarks 21111111111111111111111111111111111111111111111116 Inspection Work Days Facility Self -Monitoring Evaluation Rating 61 QA --------------------------- Reserved ---------------------- 67I 169 70I 3 I 711 NJ 72I N I 73I 174 751 I I I I I I 180 t� t Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTUV, also include Entry Time/Date Permit Effective Date POTW name and NPDES permit Number) 11:00 AM 10/01/07 09/07/01 City of Thomasville WTP Exit Time/Date Permit Expiration Date 200 Old Lexington Rd Thomasville NC 273610368 12:00 PM 10/01/07 14/04/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data Leigh A Conder/ORC/336-475-4246/ Name, Address of Responsible Official/Title/Phone and Fax Number Kelly Craver,PO Box 368 Thomasville NC 273610368/City Contacted Manager/336-475-4220/3364754283 No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit 0 Flow Measurement Operations & Maintenance Records/Reports Self -Monitoring Program E Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date Jenifer Carter WSRO WQ//336-771-5000/ / (f —C C-5) Signature of Mana ment Q A viewer Agency/Office/Phone and Fax Numbers Date 1-//- /o EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page # 1 NPDES yr/mo/day Inspection Type NCO088200 111 121 10/01/07 117 181c1 (cont.) 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Due to lack of any remaining freeboard, no effluent has been discharged from the lagoon since March 2008, with no sludge sent to the lagoon since February 2008. There was some 'stormwater'drained off of the lagoon by operator(s) in November 2009 (approx. 3000 gallons), though the ORC/Lab supervisor was not informed of the event, so no samples were taken. A note to that effect was included with the DMR. Steps have been taken to prevent this from occuring again in the future. This lagoon was one of the original lagoons of its type in North Carolina. By design, it does not have a liner, or a back-up. Cattails and other vegation are allowed to grow around the perimeter of the lagoon, except on the dam, where vegetation is controlled. There is no second lagoon, as is now preferred. Long-term options are being studied for disposal of the sludge, and for closing the lagoon. In the meantime, alum sludge is treated and ladfilled of via the Wastewater treatment plant as per 503 regs. Page # 2 Permit: NC0088200 Inspection Date: 01/07/2010 Owner - Facility: City of Thomasville VVTP Inspection Type: Compliance Evaluation (If the present permit expires in 6 months or less). Has the permittee submitted a new application? ■ n n n Is the facility as described in the permit? ■ n n n # Are there any special conditions for the permit? n ■ n n Is access to the plant site restricted to the general public? ■ n n n Is the inspector granted access to all areas for inspection? ■ n n n Comment: Record Keeping Yes No NA NE Are records kept and maintained as required by the permit? ■ n n n Is all required information readily available, complete and current? ■ n n n Are all records maintained for 3 years (lab. reg. required 5 years)? ■ n n n Are analytical results consistent with data reported on DMRs? n n ■ n Is the chain -of -custody complete? n n ■ n Dates, times and location of sampling n Name of individual performing the sampling n Results of analysis and calibration n Dates of analysis n Name of person performing analyses n Transported COCs Are DMRs complete: do they include all permit parameters? ■ n n n Has the facility submitted Its annual compliance report to users and DWQ? ■ n n n (If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator on each shift? n n ■ n Is the ORC visitation log available and current? ■ n n n Is the ORC certified at grade equal to or higher than the facility classification? ■ n n n Is the backup operator certified at one grade less or greater than the facility classification? ■ ❑ ❑ n Is a copy of the current NPDES permit available on site? ■ n n n Facility has copy of previous year's Annual Report on file for review? ■ n n n Comment: Effluent Sampling Yes No NA NE Is composite sampling flow proportional? n n ■ o Page # 3 Permit: NCO088200 Owner - Facility: City of Thomasville wTP Inspection Date: 01/07/2010 Inspection Type: Compliance Evaluation Effluent Sampling Yes No NA NE Is sample collected below all treatment units? n n ■ n Is proper volume collected? n n ■ n Is the tubing clean? n n ■ ci # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Celsius)? n n ■ n Is the facility sampling performed as required by the permit (frequency, sampling type representative)? n ■ n n Comment: Due to lack of any remaining freeboard, no effluent has been discharged from the lagoon since March 2008, with no sludge sent to the lagoon since February 2008. There was some 'stormwater drained off of the lagoon by operator(s) in November 2009 (approx. 3000 gallons), though the CIRC/Lab supervisor was not informed of the event, so no samples were taken. A note to that effect was included with the DMR. Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? n n ■ o Is flow meter calibrated annually? In n ■ o Is the flow meter operational? n n ■ o (If units are separated) Does the chart recorder match the flow meter? n n ■ n Comment: Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? ■ n n n Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge ■ n n n Judge, and other that are applicable? Comment: Lagoons Yes No NA NE Type of lagoons? # Number of lagoons in operation at time of visit? 1 Are lagoons operated in? # Is a re -circulation line present? n n ■ n Is lagoon free of excessive floating materials? n n ■ n # Are baffles between ponds or effluent baffles adjustable? n n ■ n Are dike slopes clear of woody vegetation? n ■ 00 Are weeds controlled around the edge of the lagoon? n ■ n n Are dikes free of seepage? ■ n 00 Page # 4 Permit: NCO088200 Owner - Facility: City of Thomasville wTP Inspection Date: 01/07/2010 Inspection Type: Compliance Evaluation Lagoons Yes No NA NE Are dikes free of erosion? ■ ❑ ❑ ❑ Are dikes free of burrowing animals? ■ n n n # Has the sludge blanket in the lagoon (s) been measured periodically in multiple locations? ❑ ❑ ■ n # If excessive algae is present, has barley straw been used to help control the growth? n n ■ n Is the lagoon surface free of weeds? n ■ n n Is the lagoon free of short circuiting? n n ■ n Comment: This lagoon was one of the original laggons of its type in North Carolina. By design, it does not have a liner, or a back-up. Cattails and other vegation are allowed to grow around the perimeter of the lagoon, except on the dam, where vegetation is controlled. There is no second lagoon, as is not preferred. Long-term options are being studied for disposal of the sludge, and for closing the lagoon. In the meantime, alum sludge is treated and ladfilled of via the Wastewater treatment plant as per 503 regs. n,. Vo Aln MA AIC Type of system ? Liquid Is the feed ratio proportional to chlorine amount (1 to 1)? ❑ ❑ ■ n Is storage appropriate for cylinders? n n ■ n # Is de -chlorination substance stored away from chlorine containers? ■ ❑ n n Comment: Are the tablets the proper size and type? n n ■ ❑ Are tablet de -chlorinators operational? n ❑ ■ n Number of tubes in use? Comment: Effluent Pipe Yes No NA NE Is right of way to the outfall properly maintained? ■ ❑ ❑ ❑ Are the receiving water free of foam other than trace amounts and other debris? ■ n n n If effluent (diffuser pipes are required) are they operating properly? n n ■ n Comment Page # 5 am WO, 2,c) RECEIVED N.C. Dect — A1WA 4 I �A I NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H. Sullins Governor Director March 25, 2009 Ms. Kelly Craver, City Manager City of Thomasville P.O. Box 368 Thomasville, North Carolina 27361 MAR 2 6 2009 Winston -$a i em, Regional Office Subject: Draft NPDES Permit Permit NCO088200 City of Thomasville WTP Davidson County Dear Ms. Craver, Dee Freeman Secretary Enclosed with this letter is a copy of the draft permit for your facility. The draft permit contains the following changes from your current permit as required by the attached "DWQ- NPDES Permitting Strategies for Potable Water Treatment Plants (October 2008)": ➢ Flow Limit has been changed to 0.30 MGD per your permit application ➢ TRC footnote #2 added ➢ Limits and Monitoring for Settleable Solids has been deleted. ➢ Monitoring Additions added include: o Calcium, Manganese, Magnesium, Fluoride, Total Zinc, Ammonia Nitrogen, Total Copper, Total Phosphorus and Total Nitrogen. o Whole Effluent Toxicity (Quarterly Monitoring Purposes Only) ■ IWC may change after receiving USGS 7Q10 flows. Rich Fork Creek is listed as an impaired stream on North Carolina's 303 (d) list. Currently, the stream does not meet all water quality standards. If the limitations in the current permits for facilities discharging to Rich Fork Creek do not result in improved water quality, removal of discharges to Rich Fork Creek may be necessary for the health of the stream. Although the Division believes Fecal Coliform is the main cause of degradation to Rich Fork Creek, we will continue to monitor compliance at your facility. If noncompliance with your permit's effluent limits is shown to be a direct cause of stream degradation, the Division will recommend removal of your facility's discharge. Part III of your permit requires you to "continually evaluate all wastewater disposal alternatives and pursue the most environmentally sound alternative of the reasonably cost effective alternatives" to surface water discharge. Such an evaluation may help you find an alternative to surface water discharge that is more appropriate for your facility. 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 Phone: 919-807-6387 \ FAX: 919-807-6495 \ Customer Service: 1-877-623-6748 Internet: www.ncwaterqualRy.org An Equal Opportunity \ Affirmative Action Employer Nne orthCarohna naturally At this timd the Division is submitting a notice to the newspapers of general circulation in the general Davidson County, inviting comments from you or your representative, the public and other agencies on the draft permit. Following the 30-day public comment period, we will review all pertinent comments received and take appropriate action on the permit issuance. If you have questions or need additional information, please contact me by telephone at (919) 807-6387 or bob.guerra@ncmail.net. Respectfully, � Robert L. Guerra NPDES Unit, Western Program Enclosure: NPDES Permit NCO088200 (DRAFT) cc: Winston-Salem Regional Office / Surface Water Protection NPDES Unit Aquatic Toxicology Unit 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 Phone: 919-807.6387 \ FAX: 919-807-6495 \ Customer Service: 1-877-623.6748 Internet: www.ncwaterquality.org An Equal Opportunity \ Affirmative Action Employer NorthCarolina Naturally Permit NCO088200 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY PERMIT TO DISCHARGE WASTEWATER UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, the City of Thomasville is hereby authorized to discharge wastewater from a facility located at the Thomasville WTP-- - Old Lexington Road Thomasville Davidson County to receiving waters designated as an unnamed tributary to Rich Fork Creek in the Yadkin Pee River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III and IV hereof. This permit shall become effective xx, 2009 This permit and authorization to discharge shall expire at midnight on April 30, 2014 Signed this day xx, 2009 DRAFT Coleen H. Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Permit NCO088200 SUPPLEMENT TO PERMIT COVER SHEET All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked. As of this permit issuance, any previously issued permit bearing this number is no longer effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the permit conditions, requirements, terms, and provisions included herein. The City of Thomasville is hereby authorized to: 1. Continue to operate a Conventional Water Treatment Plant (WTP) producing up to 0.30 MGD of discharged clarified supernatant with the following components/ processes: ■ Flow meter ■ Raw Water pump station ■ Flash mixer ■ Flocculator ■ Six (6) basins with six (6) filters ■ Post chemical mixing box ■ 2 clearwells ■ Sludge pumping building ■ 2.1 acre residuals settling pond ■ Decanting. structure - - - - ■ Rip -rap effluent discharge channel ■ Three Groundwater monitoring wells Chemicals added during process ■ Potassium Permanganate ■ Alum ■ Caustic Soda ■ Chlorine ■ Fluoride ■ Polyphosphate ■ Sodium bisulfate 2. The facility is at the City of Thomasville WTP located on Old Lexington Road, near Thomasville, in Davidson County. 3. Monitor and report results from three groundwater monitoring wells: MW-1, MW-2 and MW-3. 4. Discharge of filter -backwash wastewater from said treatment works at the location specified on the attached map to an unnamed tributary to Rich Fork Creek, classified C waters in the Yadkin Pee Dee River Basin. City of Thomasville Facility Thomasville WWTP Location Latitude: 35' 52' 22" N State Grid: Lexington not to scale Lonaitude: 80° 09' 0 1 " W Permitted Flow: 0.300 MGD Receiving Stream: UT to Rich Fork Creek Sub -Basin: 03-07-07 NPDES Permit No. NCO088200 Drainage Basin: Yadkin Pee Dee River Stream Class: C North Davidson County Permit NCO088200 A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS During the period beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to discharge filter backwash from outfall 001. Such discharges shall be limited and monitored by the Permittee as specified below: EFFLUENT CHARACTE"R STICS" �. LIMITS'MONITORING REQ�JIREMENTS' Monthly Average We Averae Daily:' Maximum Measurement Frequertc ' Sample 1'` e- , Sample Location Flow 0.30 MGD 2/Month Instantaneous Effluent TSS 30 m /L 45 m /L 2/Month Grab Effluent H 6.0 — 9.0 s.u. 2/Month Grab Effluent Total Residual Chlorine 17 /L 2/Month Grab Effluent Ammonia Nitrogena Quarterly Grab Effluent Aluminum Quarterly Grab Effluent Calcium Quarterly Grab Effluent Ma nesium Quarterly Grab Effluent Manganese' Quarterly Grab Effluent Total Zinc Monthly Grab Effluent Fluoride Monthly Grab Effluent Total Copper Monthly Grab Effluent Total Iron Monthly -duarterly Grab Effluent Total Phosphorus TP Grab Effluent Total Nitrogen TN Quarterly Grab Effluent Whole Effluent Toxicity Monitorin Quarterly Grab Effluent Footnotes: 1. For instantaneous flow monitoring the duration of the discharge must be reported. 2. The Division shall consider all effluent TRC values reported below 50 ug/I to be in compliance with the permit. However, the Permittee. shall continue to record and submit all values reported by a North Carolina certified laboratory (including field certified), even if, these values fall below 50 ug/l. 3. Facilities using chloramination will be required to monitor ammonia nitrogen on a quarterly basis. 4. Parameters should be monitored in conjunction with toxicity test. 5. Zinc should be monitored if facility uses zinc orthophosphate as a corrosion inhibitor. 6. Fluoride monitoring applies if the facility backwashes with fluoridated, finished water. 7. See Special Condition A. (2.). All samples collected should be from a representative discharge event. There shall be no discharge of floating solids or visible foam in other than trace amounts. Permit NCO088200 A (2.) CHRONIC TOXICITY MONITORING (QRTRLY) The permittee shall conduct quarterly chronic toxicity tests using test procedures outlined in the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or subsequent versions. The effluent concentration defined as treatment two in the procedure document is 90%. The testing shall be performed as a Ceriodaphnia dubia 7 day pass/fail test. The tests will be performed during the months of January, April, July and October. Effluent sampling for this testing shall be performed at the NPDES permitted final effluent discharge below all treatment processes. All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter code TGP313. Additionally, DWQ Form AT-1 (original) is to be sent to the following address: Attention: North Carolina Division of Water Quality Environmental Sciences Section 1621 Mail Service Center Raleigh, N.C. 27699-1621 Completed Aquatic Toxicity Test Forms shall be filed with the Envi than 30 days after the end of the reporting period for which the re Test data shall be complete and accurate and include all supporti performed in association with the toxicity tests, as well as all dose chlorine of the effluent toxicity sample must be measuredand rep' disinfection of the waste stream. dose/ rep( Should there be no discharge of flow from the facility during a mo required, the permittee will complete the information located at th form indicating the facility name,,; permit number, pipe number, co with the notation of "No Flow" in the comment area of the form. Th Environmental Sciences Section at the address cited above. ronmental Sciences Section no later port is made. ng chemical/physical measurements data. Total residual if chlorine is employed for e nth in which toxicity; monitoring is top of the aquatic toxicity (AT) test unty, and the month/year of the report e report shall be submitted to the Should the permittee fail to monitor during a month in which toxicity monitoring is required, then monthly monitoring will begin immediately. Upon submission of a valid test, this monthly test requirement will revert to quarterly in the months specified above. Should any test data from this monitoring requirement or tests performed by the North Carolina Division of Water Quality indicate potential impacts to the receiving stream, this permit may be re- opened and modified to include alternate monitoring requirements or limits. If the Permittee monitors any pollutant more frequently then required by this permit, the results of such monitoring shall be included in the calculation & reporting of the data submitted on the DMR & all AT Forms submitted. NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism survival, minimum control organism reproduction, and appropriate environmental controls, shall constitute an invalid test and will require immediate follow-up testing to be completed no later than the last day of the month following the month of the initial monitoring. Permit NCO088200 A. (3). GROUNDWATER MONITORING REQUIREMENTS During the period beginning upon the effective date of the -permit and lasting until expiration, the Permittee is required to monitor the three existing monitoring wells: MW-1, MW-2, MW-3. Sampling shall be conducted each November for the followina Darameters: PARAMETER.;.,. SAMPLING /,ANALYTICAL.REQUIREMENTS, ,e!; Water Level Water levels shall be measured prior to sampling for the remaining parameters. The depth to water in each well shall be measured from the surveyed point on top of each casing. The point atop the casing shall be surveyed relative to a common datum. Arsenic Laboratory must be Division -certified for this parameter. Chromium Laboratory must be Division -certified for this parameter. Lead Laboratory must be Division -certified for this parameter. Nickel Laboratory must be Division -certified for this parameter. H Laboratory must be Division -certified for this parameter. Total Dissolved Solids TDS Laboratory must be Division -certified for this parameter. Total Organic Carbon (TOC) Laboratory must be Division -certified for this parameter. If concentrations greater than 10 mg/L are detected in any down -gradient monitoring well, additional sampling & analysis must be conducted to identify the individual constituents comprising the TOC concentration. If the concentration as measured in the background monitoring well exceeds 10 mg/L, this concentration will be considered representative of the naturally occurring TOC concentration. Any exceedence of this naturally occurring concentration in the down -gradient wells shall be subject to the additional - sampling & analysis as described above. Volatile Organic Compounds Laboratory, must be Division -certified for this parameter. Laboratory must use (VOCs) only one of the following methods: 1.. Standard Method 6230D, Practical Quantitation Limit (PQL) at 0.5 pg/L or less; 2. Standard Method 6210, PQL at 0.5 pg/L or less; 3. EPA Method 8021, Low Concentration, PQL at 0.5 µg/L or less; 4. EPA Method' 8260, Low Concentration, PQL at 0.5 lg/L or less; 5. - OR�another method with prior approval from the Aquifer Protection Section Chief. Any of the referenced methods must [at a minimum] include all the constituents listed in Table Vill of Standard Method 6230D.Any method used must have a' PQL at or below 0.5 pg/L, supported by laboratory proficiency studies as required by the Division's Laboratory Certification Unit. Any constituents detected above the Method Detection Limit (MDL) but below the PQL must be qualified estimated and reported. Reporting / Documentation Requirements a. Sampling & analytical results shall be submitted to the Division's Aquifer Protection Section on or before the last working day following the sampling month. Data shall be reported on the most recent version of the "Groundwater Quality Monitoring: Compliance Report Form" [i.e. the GW-59 Form] with copies of the laboratory analyses attached. b. All reports, maps, and other documents shall be mailed to: NC DENR / DWQ /Information Processing Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Updated blank reporting and other forms may be downloaded from the Aquifer Protection Section's website [http://h2o.enr.state.nc.uslaps/gpu.html. Copies of blank forms may also be requested from the above address. 0 11 Permit NCO088200 Applicable Boundaries a. The COMPLIANCE BOUNDARY for the surface disposal unit is specified by 15A NCAC 2L [Groundwater Classifications and Standards]. The Compliance Boundary for the disposal system individually permitted on or after December 31, 1983 is established at either 250 feet from the waste disposal area or 50 feet within the property boundary, whichever is closer to the waste disposal area. An exceedance of Groundwater Quality Standards at or beyond the Compliance Boundary is subject to remediation action according to 15A NCAC 2L.0106 (d)(2). b. The REVIEW BOUNDARY is established around the surface disposal unit midway between the Compliance Boundary and the perimeter of the surface disposal unit. Any exceedance of. Groundwater Quality Standards at the Review Boundary shall require action according to 15A NCAC 2L.0106 (d)(1). Additional Requirements Any additional groundwater quality monitoring deemed necessary by the Division shall be performed by the Permittee. February 26, 2009 NC DENR/ DWQ / Point Source Branch 1617 Mail Service Center Raleigh, NC 27699-1617 Attention: Mr. Bob Guerra RE: Permit Renewal for NC 0088200 - amended Dear Mr. Guerra, It -- City of Thomasville Hamby Creek WWTP RECEIVED N.C. Dept of ENR MAR 2 0 2009 Winston-Salem Regional offce The City of Thomasville WTP respectfully submits one original and 2 copies of the revised permit application for renewal of Permit #NC0088200. Supporting information includes the application, a drawing of the water plant facility, and notes on the Sludge Management Plan. Although wastewater discharge from this facility has ceased at this time, the City does not wish to rescind this permit. Evaluations are still currently being reviewed to determine the future of this waste treatment lagoon. Please do not hesitate to contact me for any questions regarding this application. Sincerely, Leigh A. "Misty" Conder RECEIVED Hamby Creek WWTP Superintendent cc: Kelly Craver, City Manager Morgan Huffman, Public Services Director DENR - WATER QUALITY POINT SOURCE BRANCH PO Box 368 Thomasville, NC 27361 Phone: 336-475-4246 Fax: 336-476-0130 t NPDES PERMIT APPLICATION - SHORT FORM C - WTP For discharges associated with water treatment plants Mail the complete application to: N. C. Department of Environment and Natural Resources Division of Water Quality / NPDES Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 NPDES Permit Number INCO088200 If you are completing this form in computer use the TAB key or the up - down arrows to move from one field to the next. To check the boxes, click your mouse on top of the box. Otherwise, please print or type. 1. Contact Information: Owner Name Facility Name Mailing Address City State / Zip Code Telephone Number Fax Number e-mail Address City of Thomasville Thomasville Water Treatment Plant P.O. Box 368 "D Thomasville NC / 27361 (336)475-4247 ( )DENR - =1 LN QU LITY conderm@ci.thomasville.nc.us POININCH 2. Location of facility producing discharge: Check here if same as above ❑ Street Address or State Road City State / Zip Code County Old Lexington Rd. Thomasville NC / 27360 Davidson 3. Operator Information: Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the Operator in Responsible Charge or ORC) Name City of Thomasville Mailing Address P.O. Box 368 City Thomasville State / Zip Code NC / 27361 Telephone Number (336)475-4246 Fax Number (336)476-0130 4. Ownership Status: Federal ❑ State ❑ Private ❑ Public Pagel of 4 C-WTP 03/05 NPDES PERMIT APPLICATION - SHORT FORM C - WTP For discharges associated with water treatment plants S. Type of treatment plant: ® Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by filtration and disinfection) ❑ Ion Exchange (Sodium Cycle Cationic ion exchange) ❑ Green Sand Filter (No sodium recharge) ❑ Membrane Technology (RO, nanofiltration) Check here if the treatment process also uses a water softener ❑ 6. Description of source water(s) (i.e. groundwater, surface water) surface water - Lake Thom-a-Lex ?. Describe the treatment process(es) for the raw water: Potassium Permananate is added for Iron and Manganese control at Raw Water Pump Station. All other chemicals are added at the Water Treatment Plant. Alum is added for coagulation. Caustic is added for pH control. Chlorine is added to kill bacteria. Fluoride for healthy teeth. Polyphosphate for corrosion control. Sodium Bisulfate added to the alum sludge for dechlornation. 8. Describe the wastewater and the treatment process(es) for wastewater generated by the facility: 350-gpm pump station, force main (ca. 14,000 linear feet of 8" pipe), residual receiving station, 2.1-acre residual settling lagoon, decanting structure, flow meter, rip -rap effluent discharge channel, three groundwater monitoring wells, and dechlorinating feed system. Note that Alum Residual Lagoon has received no wastewater since late February 2008, pending cleanout of sludge in the lagoon. Alum waste is currently discharged to the City sanitary sewer for treatment at the WWTP. 9. Number of separate discharge points: 1 Outfall Identification number(s) 001 10. Frequency of discharge: Continuous ® Intermittent ❑ If intermittent: Days per week discharge occurs: Duration: 11. Plant design potable flowrate 6.0 MGD Backwash or reject flow 0.3 MGD 12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including latitude and longitude): Unnamed tributary to Rich Fork Creek Page 2 of 4 C-WTP 03/05 NPDES PERMIT APPLICATION - SHORT FORM C - WTP For discharges associated with water treatment plants 13. Please list all water treatment additives, including cleaning chemicals or disinfection treatments, that have the potential to be discharged. Alum, Caustic, Chlorine, Fluoride, Polyphosphate, Potassium Permanganate and Sodium Bisulfate 14. Is this facility located on Indian country? (check one) DENR - WATER QUALITY Yes ❑ No ® POINT SOURCE BRANCH 15. Additional Information: Provide a schematic of flow through the facility, include flow volumes at all points in the treatment process, and point of addition of chemicals. ;�' Solids Handling Plan 16. NEW Applicants Information needed in addition to items 1-15: New applicants must contact a permit coordinator with the NCDENR Customer Service Center. Was the Customer Service Center contacted? ❑ Yes ❑ No )�- Analyses of source water collected Engineering Alternative Analysis y Discharges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a water quality model. 17. Applicant Certification I certify that I am familiar with the information contained in the application and that to the best of my knowledge and belief such information is true, complete, and accurate. Signing z)&,(o Date North Carolina General Statute 143-215.6 (b)(2) provides that: Any person who knowingly makes any false statement representation, or certification in any application, record, report, plan, or other document files or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable by a fine not to exceed $25,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section Page 3 of 4 C-WTP 03/05 NPDES PERMIT APPLICATION - SHORT FORM C - WTP For discharges associated with water treatment plants 1001 provides a punishment by a fine of not more than $25,000 or imprisonment not more than 5 years, or both, for a similar offense.) Page 4 of 4 C-WTP 03/05 Notes on Preparation of Permit Renewal for NCO088200 No effluent has been discharged from the lagoon since the middle of March 2008. No waste has been sent to the lagoon since late February 2008. Currently the water plant alum waste is transported through the sanitary sewer to the Thomasville WWTP. Sludge Management Plan This facility does not currently have a sludge management plan, however several companies have been approached to provide solutions for long term sludge management at this facility. Some options include using the material as an amendment in the manufacture of bricks, or as an amendment to composting materials (if it can be verified that this meets the 503 regulations). Additional funding has been requested for further study of the options. The City is still evaluating options for resolution to the sludge removal and disposal issue. A sludge management plan will be developed once all options have been evaluated and before the lagoon is to be put back in service. In the mean time, sludge generated by the City's Water Plant from alum treatment of the water, will be treated and disposed of through the City's Wastewater Plant. Sludge disposal through the WWTP is handled by landfill of sludge at a Subtitle D lined landfill or through land application under 503 regulations. Kelly Craver City Manager Printed Nalne of Authorized Person Title Signature of Au rized Person Date l Sodium Bisulfate Waste Sludge Treatment Pumping Alum;Sludge Plant Nildin Pre Chlorine Post Chlorine Fluoride Filters Phosphate Potassium Treated Water Permanganate Sample Pointsi i 1 Post Caustic Raw Water Lake Thom-a-Lex Sample Point Basin 2 2 Finished Water Sample Point Pump Well Basin 3 1 2 cj0 „ o Post Chemical Clearwells d n Basin 4 Mixing Box v 3 c W M M X O rt m „ -, Basin 5 Pre Caustic Basin b 6 t Alum — 3 ° Settled Water Filtered Water Elevated Tanks Sample Point Sample Point W A rFi9QG Beverly Eaves Perdue, Governor State of North Carolina co r Dee Freeman, Secretary North Carolina Department of Environment and Natural Resources O � Coleen H. Sullins, Director Division of Water Quality January 22, 2009 KELLY CRAVER —" RECpt�� CITY MANAGER N.C. Dent. of ENR CITY OF THOMASVILLE JAN 2 6 2MS PO BOX 368 THOMASVILLE NC 27361 Winston-saiem Regional16e Subject: Receipt of permit renewal application NPDES Permit NCO088200 City of Thomasville WTP Davidson County Dear Mr. Craver: The NPDES Unit received your permit renewal application on January 21, 2009. A member of the NPDES Unit will review your application. They will contact you if additional information is required to complete your permit renewal. You should expect to receive a draft permit approximately 30-45 days before your existing permit expires. If you have any additional questions concerning renewal of the subject permit, please contact Bob Guerra at (919) 807-6387. Sincerely, Mz10 � Dina Sprinkle NPDES Unit cc: CENTRAL FILES Winston-Salem Regional Office/Surface Water Protection NPDES Unit Mailing Address Phone (919) 807-6300 Location No rth(— �a hr' 1617 Mail Service Center Fax (919) 807-6492 512 N. Salisbury St. d Raleigh, NC 27699-1617 Raleigh, NC 27604 Internet: www.ncwateraualitv.or¢ Customer Service 1-877-623.6748 An Equal Opportunity/Affimtative Action Employer— 50% Recycled/10% Post Consumer Paper City of Thomasville Hamby Creek WWTP January 16, 2009 NC DENR/ DWQ / Point Source Branch 1617 Mail Service Center Raleigh, NC 27699-1617 Attention: Mrs. Dina Sprinkle RE: Permit Renewal for NC 0088200 Dear Mrs. Sprinkle, The City of Thomasville WTP respectfully submits one original and 2 copies of the permit application for renewal of Permit #NC0088200. Supporting information includes the application, topographic maps, and notes on the preparation of the application, including comments on a Sludge Management Plan. Although wastewater discharge from this facility has ceased at this time, the City does not wish to rescind this permit. Evaluations are still currently being reviewed to determine the future of this waste treatment lagoon. Please do not hesitate to contact me for any questions regarding this application. Sincerely, Leigh A. Misty' Conder Hamby Creek WWTP Superintendent cc: Kelly Craver, City Manager Morgan Huffman, Public Services Director 7), J-7 -+rr DENR - WATE' QUALITY POINT SOURCE E BRANCH PO Box 368 Phone: 3364754246 Thomasville, NC 27361 Fax: 336476-0130 NPDES APPLICATION - FORM D For privately owned treatment systems treating 100% domestic wastewaters <1.0 MGD Mail the complete application to: N. C. Department of Environment and Natural Resources Division of Water Quality / NPDES Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 NPDES Permit INCOOSS200 If you are completing this form in computer use the TAB key or the up - down arrows to move from one field to the next. To check the boxes, click your mouse on top of the box. Otherwise, please print or type. 1. Contact Information: Owner Name City of Thomasville Facility Name Thomasville Water Treatment Plant Mailing Address P.O. Box 368 City Thomasville State / Zip Code NC / 27361 Telephone Number (336)475-4247 Fax Number ( ) e-mail Address conderm@ci.thomasville.nc.us 2. Location of facility producing discharge: Check here if same address as above ❑ Street Address or State Road Old Lexington Rd. City Thomasville State / Zip Code NC / 27360 County Davidson 3. Operator Information: Name of the firm, public organization or other entity that operates the facility. (Note that this is not referring to the Operator in Responsible Charge or ORC) Name City of Thomasville Mailing Address P.O. Box 368 City Thomasville State / Zip Code NC / 27361 Telephone Number (336)475-4246 Fax Number (336)476-0130 1 of 3 Form-D 1/06 NPDES APPLICATION - FORM D For privately owned treatment systems treating 100% domestic wastewaters <1.0 MGD 4. Description of wastewater: Facility Generating Wastewater(check all that applyr Industrial ❑ Number of Employees Commercial ❑ Number of Employees Residential ❑ Number of Homes School ❑ Number of Students/Staff Other ® Explain: Municipal Describe the source(s) of wastewater (example: subdivision, mobile home park, shopping centers, restaurants, etc.): Alum residual wastewater from treatment of drinking water for public water supply. No domestic sewage is treated in the alum residuals lagoon. Population served: 26,000 5. Type of collection system ® Separate (sanitary sewer only) ❑ Combined (storm sewer and sanitary sewer) 6. Outfall Information: Number of separate discharge points 1 Outfall Identification number(s) 001 Is the outfall equipped with a diffuser? ❑ Yes ® No 7. Name of receiving stream(s) (Provide a map showing the exact location of each outfallr Unnamed tributary to Rich Fork Creek S. Frequency of Discharge: ® Continuous ❑ Intermittent If intermittent: Days per week discharge occurs: Duration: _ 9. Describe the treatment system List all installed components, including capacity, provide design removal for BOD, TSS, nitrogen and phosphorus. If the space provided is not sufficient, attach the description of the treatment system in a separate sheet of paper. 350-gpm pump station, force main (ca. 14,000 linear feet of 8" pipe), residual receiving station, 2.1-acre residual settling lagoon, decanting structure, flow meter, rip -rap effluent discharge channel, three groundwater monitoring wells. Design removal data for BOD, nitrogen and phosphorus are not applicable. Also, according to CDM, Inc., the engineers for the project, no design data is available for TS8. Note that Alum Residual Lagoon has received no wastewater since late February 2008, pending cleanout of sludge in the lagoon. Alum waste is currently discharged to the City sanitary sewer for treatment at the WWTP. 2 of 3�G Form-D 1106 NPDES APPLICATION - FORM D For privately owned treatment systems treating 100% domestic wastewaters <1.0 MGD 10. Flow Information: Treatment Plant Design flow 0.2 MGD Annual Average daily flow 0.091 MGD (for the previous 3 years) Maximum daily flow 0.880 MGD (for the previous 3 years) 11. Is this facility located on Indian country? ❑ Yes ® No 12. Effluent Data Provide data for the parameters listed. Fecal Coliform, Temperature and pH shall be grab samples, for all other parameters 24-hour composite sampling shall be used. Effluent testing data must be based on at least three samples and must be no more than four and one half years old. Parameter Daily Maximum Monthly Average Units of Measurement Number of Samples Biochemical Oxygen Demand (BODS) N/A 0 Fecal Coliform N/A 0 Total Suspended Solids 108 13.4 mg/L 42 Temperature (Summer) 33.2 22.8 °C 24 Temperature (Winter) 20.4 9.2 °C 16 pH 7.1 6.7 SU 40 13. List all permits, construction approvals and/or applications: Type Permit Number Type Permit Number Hazardous Waste (RCRA) UIC (SDWA) NPDES PSD (CAA) NCO088200 R O e�h ing (MPF.SA) D e e PfihW6'tiorr 4'04 or CVO) ,t` Special Order of Consent (SOC) Non -attainment program (CAA) Other 14. APPLICANT CERTIFICATION N R ITY I certify that I am familiar with the information contained in the application and that to the best of my knowledge and belief such informat n' is` true;, complete and accurate. Kelly Craver City Magager Printed name of Person Signing Title 1110(3 pplicant Date North 'Carolina General Statute 143-215.6 (b)(2) states: Any person who knowingly makes any false statement representation, or certification in any application, record, report, plan, or other document files or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article, or who falsifies, tampers with, or knowly renders inaccurate any recording or monitoring device or method required to be operated or maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable by a fine not to exceed $25,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section 1001 provides a punishment by a fine of not more than $25,000 or imprisonment not more than 5 years, or both, for a similar offense.) 3 of 3 Form-D 1/06 Notes on Preparation of Permit Renewal for NCO088200 No effluent has been discharged from the lagoon since the middle of March 2008. No waste has been sent to the lagoon since late February 2008. Currently the water plant alum waste is transported through the sanitary sewer to the Thomasville WWTP. Analytical notes: The TSS sample from January 31, 2008 was not included in the analytical data summary due to the results being declared invalid. TSS data reported is from grab samples, not composite samples. Grab samples are what is specified in the permit. Sludge Management Plan This facility does not currently have a sludge management plan, nor was one ever required in the roughly 25 years of operation of the lagoon. However, wastewater was no longer sent to the lagoon as of late February 2008 due to the high level of sludge in the lagoon, resulting in insufficient free board. The City is still evaluating options for resolution to the sludge removal and disposal issue. A sludge management plan can be developed once all options have been evaluated and if the lagoon is to be put back in service. In the mean time, sludge generated by the City's Water Plant from alum treatment of the water, will be treated and disposed of through the City's Wastewater Plant. Sludge disposal through the WWTP is handled by landfill of sludge at a Subtitle D lined landfill or through land application under 503 regulations. Kelly Craver Printed Name of Authorized Person ignaturAfAuth rized Person City Manager Title t'1(IP toy Date Latitude: Longitude: USGS Quad #:_ River Basin #: Receiving Stream: Strearn Class: 35° 52' 22" NT 800 09' 0.01 " D18SW 03-07-07 UT ro Rich Fork Creek C City of Thomasville Water Treatment Plant Davidson County NCO088200 UTILITIES DEPARTMENT Mr. Steve W Tedder NCDWQ 585 Waughtown Street Winston-Salem, NC 27107 CITY OF THOMASVILLE North Carolina REC—EIVED -- VED N.C. Deot. of ENo MAR 2 6 2008 Winston -Say Regional C' ; Subject: WTP Alum Sludge Lagoon City of Thomasville WTP i" PDES PC[ fik Zip. NC0088200 Davidson County Dear Mr. Tedder: 19 March 2008 INCORPORATED 1857 In response to your letter received 25 February 2008, the City of Thomasville has investigated four options regarding the future of the subject lagoon. 1) Initiate a long-term program for sludge reduction management at the lagoon, which would bring the level down an average of two feet per year until the lagoon was completely empty. Per your suggestion, at that time the lagoon would be divided into two parallel lagoons with some re - piping involved of the influent and effluent valves, such that one lagoon could be used while the other was dried allowed to dry and be cleaned out. While it was not mentioned we feel certain that lining of the lagoon system would be required at the time of retrofit and re -piping. We feel that this option is cost prohibitive. 2) Initiate a long-term program for sludge reduction management at the lagoon, which would bring the level down an average of two feet per year until the lagoon was at a level at which sludge ramnyal rnlilri be reriiirpri to maintain ? mnra nr !QSS Co nct-Ant'dildoe lQvpl in the lagoon. Again, this option appears cost prohibitive based upon the pricing wo have received. 3) Contract land application of the alum sludge. Again, with our limited funds, this option appears cost prohibitive. 4) Immediately cease discharge of alum sludge to the lagoon system, allow the lagoon solids to slowly settle and decant as much as possible, clean out the lagoon over an extended period of time, and shut it down. New alum sludge produced at the WTP would be sent directly to the WWTP via an existing pump station and sanitary sewer connection. City Hall • 10 Salem Street • P.Q Box 368 • Thomasville, N.C. 27361-0368 Telephone (336) 475-4220 • Fax (336) 475-4283 .t CITY OF THOMASVILLE North Carolina UTILITIES DEPARTMENT INCORPORATED 1857 The city has chosen option number 4 as it is the most cost effective and will provide the most immediate relief to the Alum Lagoon. On 28 February 2008 the City began pumping the alum sludge to the WWTP and allowing the alum lagoon to settle and decant as much as possible. The City's intent is to ascertain what impact if any, whether negative or positive, the alum sludge has upon the WWTP operation and proceed from that point. Ultimate intent is to close the alum lagoon for good after cleaning it out over a number of years. In the mean time, Misty Conder, ORC, has spoken with DWQ staff and will continue with testing of discharged waters in the months that a discharge actually occurs. DMRs will be filed as usual until such time as the lagoon can be closed and the NPDES permit rescinded. If you have any further questions, please feel free to contact me at 336-475-4220. Sincerely, Morgan Huff ma f Public Services Director City of Thomasville Cc: Misty Conder, Alum Lagoon ORC Randy Hammitt, WTP ORC Kelly Craver, City Manager City Hall • 10 Salem Street • P.O. Box 368 • Thomasville, N.C. 27361-0368 Telephone (336) 475-4220 • Fax (336) 475-4283 1 e: F16N Reporting at Alum Sludge Lagoon, NPDES NCO088200 Subject: Re: Flow Reporting at Alum Sludge Lagoon, NPDES NCO088200 From: Steve Mauney <Steve.Mauney@ncmail.net> Date: Tue, 29 Aug 2006 09:47:21 -0400 To: "Huffman, Morgan" <huffmanm@ci.thomasville.nc.us> MORGAN-I ran this issue by Steve Tedder and he suggested taking the Monday reading and dividing it by 3. Even though that is not exact, it is a lot closer to the true flow than to list "0" for both Saturday and Sunday. This will give us better numbers than the 2/month instantaneous monitoring that is required in the permit. Please correct the June and July flow data. Steve Mauney NC DENR Winston-Salem Regional Office Division of Water Quality, Water Quality Section 585 Waughtown Street Winston-Salem, NC 27107 Voice: (336) 771-4969 Main # (336) 771-5000 FAX: (336) 771-4630 On 8/29/2006 9:22 AM, Huffman, Morgan wrote: Steve, On the June and July 2006 DMRs the average flow as reported is incorrect. The average shown is only for the days it was recorded from the totalizer, but on the Monday readings it includes all of the flow for the weekend as well. Should we send in amended reports correcting this flow and using zero as the flow on the weekend days for purposes of calculation, even thought flow did occur that is reflected in the Monday readings? And do it this way forward? The only other alternative I see is that staff will have to start visiting the lagoon 7 days per week to record the totalizer flow. I appreciate your input. The corrected average daily flows are 0.10 for June and 0.16 for July. Thank you, Morgan Huffman WWTP Superintendent City of Thomasville IMPORTANT NOTICE This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error, please notify your system manager or email: metcalf*( ci.thomasville.nc.us for instructions. Please note that any views or opinions expressed in this email are solely those of the author and do not necessarily represent those of Thomasville City Government. This email and any file attached to it have been scanned for viruses by Norton Corporate Version 10.1 However, the recipient is strongly urged to make sure this email and attachments has also been scanned 1 of 2 10/2/2006 5:32 PM ite: FO* Reporting at Alum Sludge Lagoon, NPDES NCO088200 at the recipient's location as well. The City of Thomasville accepts no responsibility or liabilty for any damages or costs caused by any virus transmitted by this email. City of Thomasville MIS Department 10 Salem Street, Thomasville, NC 27360 USA www.ci.thomasville.nc.us Steve Mauney <Steve.Mauney(a NCmail.net> WSRO NC DENR 2 of 2 10/2/2006 5:32 PM 1,;. ..JAME9 B. HUNTJ K WAYNE mcom T Nof*, NORTI kROLINA DEPARTMENT ENVIRONMEN,i, AND NATURAL RES URCES DIVISION OF WATER QUALITY March 22, 1999 Davidson Water, Inc. Mr. Ronald Farnsworth, Plant Supervisor 388 Koontz Road Lexington, NC 27295 SUBJECT: Wastewater Laboratory Certification Exemption Dear Mr. Farnsworth: Please refer to your letter dated March 19 19 99, ing exempon from certification to perform pH, Settleable Solids and Residual tChlorine analyses on -site at the Davidson Water, Inc. It is our understanding that all other NPDES Permit ##NC 0084425 monitoring analyses are performed by a certified laboratory. Based on the information supplied, we are granting the requested exemption to perform pH, Settleable Solids and Residual Chlorine analyses. This exemption may be withdrawn at any time there is an applicable Rule or policy change. You are reminded that our facili is required to use EPA approved methodolo& for each of these analytical Procedures. performed on -site at the facility changes to include any parameters listed under 15A NCAC 2H Section .0804 other than those exempted above, our office must be notified and certification may be required. If you have questions or need additional information, contact us at 919-733-3908. Thank you for your cooperation in this matter. Sincerely, James W. Meyer Laboratory Section JWM: jmc Enclosures JWM:jmc cc: Connie Brower Winston-Salem Regional Office Exempt.1tr 4405 REEDY CREEK ROAD, RALEIGH, NORTH CLAaORATORY SECTION, AROLINA 27607 6445 AN EQUAL OPPORTUNITY /AFFIRMATIVE ACTION EMPLOYER - PHONE 919-733- 3908 SOrye FAX 919_ 73-6241 RECYCLED/10% POST_CONSU ER PAPER cc: Permits and Engineering County Health Dept. Central Files WSRO SOC PRIORITY PROJECT: X If Yes, SOC No. To: Permits and Engineering Unit Water Quality Section Attention: (Randy Kepler) February 21, 1995: NON DISCHARGE STAFF REPORT AND RECOMMENDATION County Davidson Permit No. WQ0000425 PART I - GENERAL INFORMATION 1. Facility and Address: City of Thomasville WTP Alum Sludge Land Application System P. O. Box 368 Thomasville, N.C. 27360 2. Date of Investigation: February 9, 1995 3. Report Prepared by: Abner Braddy 4. Persons Contacted and Telephone Number: Mr. Randy Hammitt, Water Treatment Plant Superintendent (910) 475-4247 5. Directions to Site: From Winston-Salem, travel Hwy. 109 South to U.S. 29/70 South; travel U.S. 29/70 South approximately 2.5 miles and turn left onto S.R. 2123 at the Pilot Fire Department; travel S.R. 2123 south for 1.2 miles; the alum sludge lagoons (abandoned sandrock quarries) will be located on the right, just before the intersection of S.R. 2123 with S.R. 2023. 6. Size (land available for expansion and upgrading): The initial lagoon covers 2.1 surface acres while the second lagoon covers 4.3 surface acres; as the lagoons are 30-40' deep in places, it would take many, many years to utilize the entire acre/feet storage area. 7. Topography (relationship to 100 year flood plain included): Each of the lagoons' bottoms are slightly sloped from southwest to northeast; they are not located within the 100 year flood plain. Attach a U.S.G.S. map extract and indicate facility site. U.S.G.S. Quad No. D18SW U.S.G.S. Quad Name Lexington East Latitude: 350 52' 22" Longitude: 800 091 02" 8. Any buffer conflicts with location of nearest dwelling and water supply well? Yes No x If Yes, explain: 9. Watershed Stream Basin Information: U.T. to Rich Fork Creek a. Watershed Classification: b. River Basin and Subbasin No.: Yadkin 03-07-07 C. Distance to surface water from disposal system: Drainage from the area around the lagoon Would flow through a culvert under Hwy. 29/70 before reaching an U.T. to Rich Fork Creek. The estimated distance is approximately 0.15 mile. Part II - DESCRIPTION OF WASTES AND TREATMENT WORKS 1. a. Volume: .010 (Estimate) MGD (Design Capacity) *Residuals: tons per year *Unknown, as the material is pumped as a slurry through the force main. b. Types and quantities of industrial wastewater: C. Pretreatment Program (POTWs only): N.A. in development approved should be required not needed 2. Treatment Facilities: a_. What is the current permitted capacity of the facility? N.A. b. What is the actual treatment capacity of the current facility (design volume)? N.A. C. Please provide a description of existing or substantially constructed wastewater treatment facilities: 350 g.p.m pump station, 14,0001 of 8" force main, a sludge receiving station with a sloped concrete pad and a 6" gravity flow discharge pipe, an initial 2.1 acre sludge settling lagoon, a decanting structure with height adjustable telescoping valves, allowing decanted water to be discharged to a second 4.3 acre lagoon. d. Please provide a description of proposed wastewater - treatment facilities. N.A. 3. Residuals handling and utilization/disposal scheme: N.A. a. If residuals are being land applied, please specify DEM Permit No. Residuals Contractor Telephone No. b. Residuals stabilization: PSRP PFRP Other c . Landfill: d. Other disposal/utilization scheme (Specify): 3. Treatment plant classification (attach completed rating sheet) . 4. SIC Code(s): 4941 Primary 21 Secondary Main Treatment Unit Code: 5 0 0 _ 3 PART III - OTHER PERTINENT INFORMATION 1. Is this facility being constructed with Construction Grant Funds (municipals only)? N.A. 2. Special monitoring requests: The City has requested that some of the groundwater monitoring requirements be dropped, and the Region does not o]�j ecf_.. 3. Important SOC, JOC or Compliance Schedule dates: (Please indicate) N.A. Date Submission of Plans and Specifications Begin Construction Complete Construction 4. Other Special Items: Non -Discharge Permit Staff Report Version 10/92 Page 3 �J r ti PART IV - EVALUATION AND RECOMMENDATIONS The Region recommends the Permit be renewed. Signature of rep re a - /A, /-� :; � 1� - Water Quality Regionk Supervisor Z-Zz -f5 Date Non -Discharge Permit Staff Report Version 10/92 Page 4