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Home My WebLink AboutNC0020656_Inspection_20051102Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality November 2, 2005 Robert A. Ellis City of Laurinburg PO Box 249 Laurinburg NC 28353 SUBJECT: October 24, 2005 Compliance Evaluation Inspection City of Laurinburg Leith Creek WWTP Permit No: NC0020656 Scotland County Dear Mr. Ellis: Enclosed please find a copy of the Compliance Evaluation Inspection form from the inspection conducted on October 24, 2005. The Compliance Evaluation Inspection was conducted by Mark Brantley and Don Register of the Fayetteville Regional Office. The facility was found to be in Compliance with permit NC0020656. The cooperation of Mr. Robert Ellis, Grade IV ORC/Treatment Plants Director and Ricky Odum, Grade III Backup Operator was appreciated. As a reminder preservation of the Waters of the State can only be acquired through consistent NPDES permit compliance. Please refer to the enclosed inspection report for additional observations and comments. If you or your staff have any questions, please call me at 910-486-1541 ext 727. Sincerely, Mark Brantley cc: ORC Central Files Fayetteville Files North Carolina Division of Water Quality/Aquifer Protection Section 225 Green St./ Suite 714 Fayetteville, NC 28301 Phone (910) 486-1541 NorthCarolina Naturally FAX (910) 486-0707 Internet: h2o.enr.state.nc.us An Equal Opportunity/Affirmative Action Employer —50% Recycled/10% Post Consumer Paper Customer Service 1-877-623-6748 United States Environmental Protection Agency EPA ' Washington, D.C. 20460 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 2 151 31NC0020656 111 121 05/10/24 117 Type Inspector Fac Type 181 cI 191 sI 201 1 1 1 1 1 1 1 1 1 1 1 1 1 11 166 Remarks 211 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ------------------------Reserved 671 169 701 31 711 I 72I NI 731 1 174 761 I I I II I 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) Leith Creek WWTP Hall St Extension Laurinburg NC 28352 Entry Time/Date 10:00 AM 05/10/24 Permit Effective Date 04/11/01 Exit Time/Date 03:00 PM 05/10/24 Permit Expiration Date 09/08/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Robert A. Ellis,PO Box 249 Laurinburg NC 28353//910-277-0214/ 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 • Compliance Schedules Effluent/Receiving Waters • Laboratory 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 11/01,4�iZ�� FRO WQ/// Don Register FRO WQ//910-486-1541 Ext.709/ Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date Belinda S Henson t A/, `i1'uYl00-11i 910-486-1541 Ext.727/ tI — [ —1)rJ EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. NPDES yr/mo/day Inspection Type 31 NC0020656 I11 121 os/lo/24 I17 18IcI 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) The treatment plant was overall clean and neat in appearance. It was noted during the inspecton that about 8" of sludge was in the chlorine contact chamber. This is currently not a problem but as a reminder the Fayetteville Regional Office requires that less than one foot of sludge be maintained in the chlorine contact chamber at all times. Permit: NC0020656 Owner - Facility: Leith Creek WWTP Inspection Date: 10/24/2005 Inspection Type: Compliance Evaluation Permit (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: Operations & Maintenance Is the plant generally clean with acceptable housekeeping? Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable Solids, pH, DO, Sludge Judge, and other that are applicable? Comment: Facility analyzes MLSS, settleable solids, pH, dissolved oxygen, and the sludge blankets in the clarifiers for process controls. 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: The alarm is tested everyday at the influent pump station. The facility has four influent pumps that alternate run times. At the time of the inspection pump #3 was out of service due to a check valve that had started leaking. Parts have been ordered to correct the problem. Yes No NA NE nn■n ■ nnn n■El ■ nnn ■ nnn Yes No NA NE ■ nnn ■ nnn Yes No NA NE ■ nnn ■ nnn ■ nnn n■nn n■nn nn■n ■ nnn Bar Screens Yes No NA NE Type of bar screen a.Manual ❑ b.Mechanical • Are the bars adequately screening debris? • n n n Is the screen free of excessive debris? • n n n Is disposal of screening in compliance? ■ n n n Is the unit in good condition? • ❑ ❑ ❑ Comment: Some of the debris on the bar screen had to be removed by hand at the time of inspection. Grit Removal Yes No NA NE Type of grit removal a.Manual n b.Mechanical ■ Is the grit free of excessive organic matter? • n n n Is the grit free of excessive odor? ■ n ❑ n Is disposal of grit in compliance? • n n n Comment: Equalization Basins Yes No NA NE Is the basin aerated? • n n n Is the basin free of bypass lines or structures to the natural environment? • 11 n n Permit: NC0020656 Owner - Facility: Leith Creek WWTP Inspection Date: 10/24/2005 Inspection Type: Compliance Evaluation Equalization Basins Is the basin free of excessive grease? Are all pumps present? Are all pumps operable? Are float controls operable? Are audible and visual alarms operable? Is basin size/volume adequate? Comment: Secondary Clarifier Is the clarifier free of black and odorous wastewater? Is the site free of excessive buildup of solids in center well of circular clarifier? Are weirs level? Is the site free of weir blockage? Is the site free of evidence of short-circuiting? Is scum removal adequate? Is the site free of excessive floating sludge? Is the drive unit operational? Is the return rate acceptable (low turbulence)? Is the overflow clear of excessive solids/pin floc? Is the sludge blanket level acceptable? (Approximately Y. of the sidewall depth) Comment: Waste water is black due to an industry that dies cardboard. Clarifiers #1 and #2 are thirteen feet deep and have a sludge depth of 2.5' and 4.5' respectively. Clarifier #3 is 14' deep and had a sludge depth of less than 1'. Pumps-RAS _WAS Are pumps in place? Are pumps operational? Are there adequate spare parts and supplies on site? Comment: Pump #1 in the recirculation pump room on the extended aeration side of the plant is out of operation for repairs. A few spare parts are on hand and the facility uses Charles Underwood of Sanford, NC to the maintenance work that the plant staff can not handle. Aeration Basins Mode of operation Type of aeration system Is the basin free of dead spots? Are surface aerators 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) Comment: The dissolved oxygen level was 3.9 mg/I and 4.6 mg/I on 10-20-05. Oxidation Ditches Are the aerators operational? Are the aerators free of excessive solids build up? Is the foam the proper color for the treatment process? Yes No NA NE ■ nnn ■ nnn nn■n ■ nnn nnn■ ■ nnn Yes No NA NE n■nn ■ nnn ■ nnn ■ nnn ■ nnn ■ nnn ■ nnn ■ nnn ■ nnn ■ nnn ■ nnn Yes No NA NE ■ nnn n■nn nnn■ Yes No NA NE Ext. Air III nnn ■ nnn nn■n ■ nnn ■ nnn ■ nnn ■ nnil Yes No NA NE ■ nnn ■ nnn ■ nnn Permit: NC0020656 Owner - Facility: Leith Creek WWTP Inspection Date: 10/24/2005 Inspection Type: Compliance Evaluation Oxidation Ditches Does the foam cover less than 25% of the basin's surface? Is the DO level acceptable? Are settleometer results acceptable (> 30 minutes)? Is the DO level acceptable?(1.0 to 3.0 mg/I) Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes) Comment: Dissolved oxygen level was 2.5 mg/I on 10-20-05. Disinfection -Liquid Are cylinders secured adequately? Are cylinders protected from direct sunlight? Is there adequate reserve supply of disinfectant? Are tablet chlorinators operational? Are the tablets the proper size and type? Number of tubes in use? (Sodium Hypochlorite) Is pump feed system operational? Is bulk storage tank containment area adequate? (free of leaks/open drains) Is the level of chlorine residual acceptable? Is the contact chamber free of growth, or sludge buildup? Is there chlorine residual prior to de -chlorination? Comment: Facility had a bulk tank that was leaking and had it taken off line for repairs. The chlorine contact chamber had less than 8" of sludge build up. 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? Is the feed ratio proportional to chlorine appropriate? (Approximately ratio 1:1) Comment: Pump Station - Effluent Is the pump wet well free of bypass lines or structures? 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: Standby Power Is automatically activated standby power available? Is the generator tested by interrupting primary power source? Yes No NA NE ■ nnn ■nnn ■ nnn ■ nnn ■ nnn Yes No NA NE nn■n nn■n nn■n nn■n ■ n■n ■ nnn ■ nnn ▪ Elnn ■ nnn ■ nnn Yes No NA NE nn■n nn■n nn■n nn■n nn■n nn■n Yes No NA NE nn■n nn■n nn■n nn■n nn■n nnmin Yes No NA NE ■ nnn ■ nnn Permit: NC0020656 Owner - Facility: Leith Creek WWTP Inspection Date: 10/24/2005 Inspection Type: Compliance Evaluation Standby Power Is the generator tested under load? Was generator tested & operational during the inspection? Do the generator(s) have adequate capacity to operate the entire wastewater site? Is there an emergency agreement with a fuel vendor for extended run on back-up power? Is the generator fuel level monitored? Comment: The generator that powers the influent pumps has to be started by hand during a power outage. The town is planning to replace this generator with one that will start automatically when a power outage occurs. The treatment plant has another generator that can power the rest of the plant. Also there are two portable generators availabe. The generator are tested monthly. Yes No NA NE ▪ n ❑ ❑ n■nn n■nn ■ nnn ■ nnn Laboratory Yes No NA NE Are field parameters performed by certified personnel or laboratory? • ❑ ❑ ❑ Are all other parameters(excluding field parameters) performed by a certified lab? ❑ ■ n n Is the facility using a contract lab? • n ❑ n Is proper temperature set for sample storage (kept at 1.0 to 4.4 degrees Celsius)? in n El Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? • n n n Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ■ ❑ ❑ Comment: The facility performs the following parameters through their own certified lab: BOD, Fecal, TSS, pH, Temperature, Dissoloved Oxygen, Chlorine, and Ammonia. The town uses Oxford labs for Total Phosphours, Total Nitrogen, and metals testing. TBL is used for toxicity testing. Flow Measurement - Influent 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: The effluent flow meter is used for reporting purposes. Meter is calibrated by J. D. Dismuke Co., Inc. of Charleston, South Carolina. Flow Measurement - Effluent Yes No NA NE Is flow meter used for reporting? • n Is flow meter calibrated annually? • ❑ ❑ n Is the flow meter operational? • ❑ n ❑ (If units are separated) Does the chart recorder match the flow meter? n n n • Comment: Meter is calibrated by J.D. Dismuke Co., Inc. of Charleston, South Carolina. 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? ■ n ❑ n Are all records maintained for 3 years (lab. reg. required 5 years)? • ❑ ❑ n Are analytical results consistent with data reported on DMRs? ■ ❑ ❑ n Is the chain -of -custody complete? • n ❑ ❑ 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 ■ Permit: NC0020656 Owner - Facility: Leith Creek WWTP Inspection Date: 10/24/2005 Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE 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 n n Is a copy of the current NPDES permit available on site? • ❑ ❑ ❑ Facility has copy of previous year's Annual Report on file for review? n n n R Comment: Influent Sampling Yes No NA NE Is composite sampling flow proportional? ❑ ■ n El Is sample collected above side streams? • n ❑ ❑ Is proper volume collected? • n ❑ ❑ Is the tubing clean? • ❑ ❑ ❑ Is proper temperature set for sample storage (kept at 1.0 to 4.4 degrees Celsius)? • n n n Is sampling performed according to the permit? • n ❑ n Comment: A 100 ml of influent waste water is collected every thirty minutes. The sampler temperature was 2 degrees Celsius. Effluent Sampling Yes No NA NE Is composite sampling flow proportional? • n n n Is sample collected below all treatment units? • n n n Is proper volume collected? • n n n Is the tubing clean? ■ n ❑ Is proper temperature set for sample storage (kept at 1.0 to 4.4 degrees Celsius)? ■ n n ❑ Is the facility sampling performed as required by the permit (frequency, sampling type representative)? ■ ❑ ❑ n Comment: Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, and sampling location)? ■ ❑ n n Comment: Aerobic Digester Yes No NA NE Is the capacity adequate? ■ ❑ n n Is the mixing adequate? • n n n Is the site free of excessive foaming in the tank? • ❑ n n Is the odor acceptable? • n ❑ n Is tankage available for properly waste sludge? • n ❑ Comment: Drying Beds Yes No NA NE Is there adequate drying bed space? • n n n Is the sludge distribution on drying beds appropriate? • n Are the drying beds free of vegetation? • n Is the site free of dry sludge remaining in beds? n • ❑ ❑ Is the site free of stockpiled sludge? n ■ 11 ❑ Permit: NC0020656 Owner - Facility: Leith Creek WWTP Inspection Date: 10/24/2005 Inspection Type: Compliance Evaluation Drying Beds Is the filtrate from sludge drying beds returned to the front of the plant? Is the sludge disposed of through county landfill? Is the sludge land applied? (Vacuum filters) Is polymer mixing adequate? Comment: Sludge is ready to be removed from drying beds. The dried Isudge is stockpiled until there is enough to land apply. Sludge is also applied as a liquid. Solids Handling_Equipment Is the equipment operational? Is the chemical feed equipment operational? Is storage adequate? Is the site free of high level of solids in filtrate from filter presses or vacuum filters? Is the site free of sludge buildup on belts and/or rollers of filter press? Is the site free of excessive moisture in belt filter press sludge cake? The facility has an approved sludge management plan? Comment: Chemical Feed Is containment adequate? Is storage adequate? Are backup pumps available? Is the site free of excessive leaking? Comment: One of the bleach tanks was leaking and it had been taken off line for repairs. Compliance Schedules Is there a compliance schedule for this facility? Is the facility compliant with the permit and conditions for the review period? 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: Yes No NA NE ■ nnn ■ nnn ■ nnn El non Yes No NA NE nnn■ nn■n ■ nnn nn■n nn■n nn■n ■ nnn Yes No NA NE ■ nnn ■ nnn ■ nnn ■ nnn Yes No NA NE ■ nnn ■ nnn Yes No NA NE ■ nnn ■ nnn nn■n