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HomeMy WebLinkAboutNC0043176_Inspection_20070827Michael F. Easley, Governor August 27, 2007 Ronald D Autry City of Dunn PO Box 1065 Dunn NC 28335 SUBJECT: August 20, 2007 Compliance Evaluation Inspection City of Dunn Dunn WWTP Permit No: NC00431'76 Harnett County Dear Mr. Autry: William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Coleen H. Sullins, Director Division of Water Quality Enclosed please find a copy of the Compliance Evaluation Inspection form from the inspection conducted on August 20, 2007. The Compliance Evaluation Inspection was conducted by Mark Brantley, Environmental Chemist, of the Fayetteville Regional Officer -The facility was found to be in Compliance with permit NC0043176. The cooperation of-Donrie Dukes, Grade IV ORC, was greatly appreciated. As a reminder, preservation of the Waters of the State can only be achieved through consistent NPDES Permit compliance. Comments • Facility was clean and neat in appearance at the time of the inspection. • Plant staff is taking advantage of the dry conditions by taking one clarifier a week off line for annual routine and preventive maintenance measures. - • Also during the inspection it was noted that powder soda ash (which is used to help maintain proper effluent pH) was stored in the blower building next to the blowers that supply air to the aeration basin: The Fayetteville Regional ' " Office of the Division of Water Quality strongly encourages the facility to store the soda ash in a more appropriate place away from any mechanical machinery as the soda ash may cause unnecessary corrosion or other damage to the Machinery. It may be -necessary to construct a separate storage area. Please refer to the enclosed inspection report for additional observations and comments. If you or your staff have any questions, please call me at 910-433-3327. Mark Brantley Environmental Chemist Surface Water Protection Section Fayetteville Regional Office • cc: Dean Gaster, Utilities Director Donrie Eldridge Dukes, ORC :Central Files Fayetteville Files /kmb North Carolina Division of Water Quality/Aquifer Protection. Section 225 Green St./ Suite 714 Fayetteville, NC'28301 Phone (910) 433-3300 FAX '(910) 486-0707 ' Internet: h2o,enr.state.nc.us Customer Service 1-877-623-6748 An Equal Opportunity/Affirmative Action Employer 50% Recycled/10% Post Consumer Paper NorthCarolina Naturally United States Environmental Protection Agency EPA n Washington, D.C. 20460 rH Water Compliance Inspection Report -. Form Approved. 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 1 I NI 2 1 51 3I NC0043176 1 11 121 07/08/20 117 Type Inspector Fac Type 181 CI 191 sl 281 I I I I 1 I I_I I I III 1 1 I 166 Remarks 211 I I I I I 1 1 1 1' I I I I I I 1 I I I I I 1 1 I I 1 1 I I I Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 671 169 701 31 71 I N I 721 NI 73 11 174 751 1 1 1 1 1 1 180 Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Dunn WWTP Susan Tart Rd Dunn NC 28335 Entry Time/Date 10:00 AM 07/08/20 Permit Effective Date 07/02/01 Exit Time/Date 10:95 AM 07/08/20 Permit Expiration Date 11/09/30 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Donrie Eldridge Dukes/ORC/910-892-8162/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Ronald D Autry,PO Box 1065 Dunn NC 28335//910-892-2633/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit • Flow Measurement Operations & Maintenance • 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 Mark Brantley FRO WQ//910-433-3300 Ext.727/ ,4t .•/L-440%44--k - -)Y -el 7 Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date .1 f o g-,)-7•- 0 7 EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page # 1 NPDES yr/mo/day Inspection Type. NC0043176,. I11 121 07/08/20 I17 18ICI (cont.) 1 Section D:, Summary of Finding/Comments (Attach additional sheets of narrative and checklists as,necessary) Comments • Facility was clean and neat in appearance at the time of the inspection. • Plant staff is taking advantage of the dry conditions by taking .one 'clarifier a week off line for annual routine and preventive maintenance measures. - • Also during -the inspection it was noted that powder soda ash (which is used to help maintain proper(effluent ph) was stored'in the blower building next to the blowers that supply air to the aeration .' basin. The Fayetteville Regional Office of the Division of Water Quality strongly encourages. the facility to store the soda`ash in a more appropriate place away from any mechanical machinery as the, soda ash may cause unnecessary corrosion orother damage to the machinery. It may be necessary to construct a separate storage area. Page # 2 Permit: NC0043176 Owner - Facility: Dunn WWTP Inspection Date: 08/20/2007 Inspection Type: Compliance Evaluation Operations & Maintenance Yes No NA NE Is the plant generally clean with acceptable housekeeping? • n ❑ n Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge n ❑ n ■ Judge, and other that are applicable? Comment: Permit Yes No NA NE (If the present permit expires in 6 months or less). Has the permittee submitted a new application? ❑ n ■ n Is the facility as described in the permit? ■ n ❑ ❑ # Are there any special conditions for the permit? n ❑ • n Is access to the plant site restricted to the general public? ■ ❑ ❑ 11 Is the inspector granted access to all areas for inspection? ■ n n n Comment: Flow Measurement - Effluent Yes No NA NE # Is flow meter used for reporting? • n ❑ n Is flow meter calibrated annually? ■ n n n Is the flow meter operational? ■ n n n (If units are separated) Does the chart recorder match the flow meter? n n n g Comment: Aerobic Digester Yes No NA NE Is the capacity adequate? ■ n ❑ El Is the mixing adequate? • n n n Is the site free of excessive foaming in the tank? • ❑ ❑ n # Is the odor acceptable? ■ n n n # Is tankage available for properly waste sludge? • ❑ ❑ n Comment: Pump Station - Effluent Yes No NA NE Is the pump wet well free of bypass lines or structures? • n n n Are all pumps present? ■ ❑ ❑ n Are all pumps operable? ■ n Are float controls operable? ■ ❑ ❑ ❑ Is SCADA telemetry available and operational? ■ n ❑ n Page # 3 Permit:,N00043176 Owner - Facility: Dunn WWTP Inspection Date: 08/20/2007 Inspection Type: Compliance Evaluation' Pump Station - Effluent Is audible and visual alarm available and operational? Comment: Pump Station - Influent Is the pump wet well, free of bypass, lines or structures? Is the wet well free of excessive grease? ' Are all pumps present? Are all pumps operable? Are float controls operable Is SCADA telemetry available: and operational? Is audible and visual alarm available and operational? Comment: Bar Screens Type of bar screen a.Manual b.Mechanical Are the bars adequately screening debris? . Is the screen free of excessive debris?` Is disposal of screening in compliance?, Is the unit in good -condition? Comment: Aeration Basins Mode of operation • Type of aeration system' Is the basin free of dead spots? Are surface aerator's and mixers operational? Are the diffusers operational? Is the foam the proper color for the treatment process? Does the foam cover less than 25% of the basin's surface? Is the DO level acceptable? Is the DO level"acceptable?(1.0 to 3.0 mg/i) Yes No NA `NE ■.n n n .Yes No NA •NE • nnrn • .nnn ■ nnn ■ I-1n ■ n n u nnn" ■ nn'n Yes No NA NE n . • • nnn :■nnn .■nnn. nnn Yes No NA NE Ext. Air Diffused ■ nnn nn■n'. ■ nnn, ■ nnn. • nnn ■ nnn ■nnn Page # Permit: NC0043176 Owner - Facility: Dunn WWTP Inspection Date: 08/20/2007 Inspection Type: Compliance Evaluation Aeration Basins Comment: Yes No NA NE Page # 5 ii CITY OF DUNN POST OFFICE BOX 1065 • DUNN • NORTH CAROLINA 28335 PUBLIC WORKS DEPARTMENT • (910) 892-2948 • FAX (910) 892-8871 August 15, 2007 To: NCDENR 225 Green Street, Suite 714 Fayetteville, NC 28301-5043 From: City of Dunn P.O. Box 1065 Dunn, NC 28335 Re: DWQ-MR. Permittee Signature Change To Whom It May Concern: I, J. Dal Snipes, Mayor of the City of Dunn request that Mr. Dean Gaster, Utilities Director replace Mr. Ronald D. Autry as the designated signee on the City's DMR's. Thank you, _ - . Dal Snipes Mayor Dean Gaster Utilities Director AI Hence ilv 1 I ' Home ofMaj. Gen. William C. Lee I I I"Father of the Airborne"