The URL can be used to link to this page

Home My WebLink AboutNC0004375_Compliance Evaluation Inspection_20210211ROY COOPER Governor MICHAEL S. REGAN Secretary S. DANIEL SMITH Director Gil Insley Clariant Corporation 4000 Monroe Road Charlotte, North Carolina 28205 Dear Mr. Insley: NORTH CAROLINA Environmental Quality February 11, 2021 Subject: Compliance Evaluation Inspection Clariant Corporation/Mt. Holly East WWTP NPDES Permit No. NC0004375 Mecklenburg County Enclosed is a copy of the Compliance Evaluation Inspection Report for the inspection conducted at the subject facility on February 4, 2021, by Mr. Wes Bell of this Office. Please inform the facility's Operator -in -Responsible Charge (ORC) of our findings by forwarding a copy of the enclosed report. The report should be self-explanatory; however, should you have any questions concerning this report, please do not hesitate to contact Mr. Bell at (704) 235-2192 or at wes.bell@ncdenr.gov. Enclosure: Inspection Report D_E NORTH CAROLINA Department el EnNrupnimbl Qualpy Sincerely, DocuSigned by: A H P4444 F161 FB69A2D84A3... fo r W. Corey Basinger, Regional Supervisor Water Quality Regional Operations Section Division of Water Resources, DEQ North Carolina Department of Environmental Quality I Division of Water Resources Mooresville Regional Office 1610 East Center Avenue, Suite 301 I Mooresville, North Carolina 28115 704.663.1699 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 1 IN I 2 IL 21IIIIII I NPDES yr/mo/day Inspection 3 I NC0004375 111 121 21/02/04 117 Type 1810I IIIIIIIIIII Inspector Fac Type 19I S I 2011 IIIIIIIIIIIIIIIIII I IIIIII P6 Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA Reserved 67I2.0 I 70I4 I 71IN I 72 I N I 73I 1 74 751 I I 1 I I I I I I 180 l Section B: Facility Data Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include POTW name and NPDES permit Number) Mount Holly East Facility 11701 Mount Holly Rd Charlotte NC 28214 Entry Time/Date 09:25AM 21/02/04 Permit Effective Date 18/01/01 Exit Time/Date 01:10PM 21/02/04 Permit Expiration Date 22/12/31 Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) /// Dwayne R Wallace/ORC/704-307-3870/ Other Facility Data Name, Address of Responsible Official/Title/Phone and Fax Number Contacted Gene Mueller,1600 W Hill St Louisville KY 40210/CEM Director/502-634-7200/ No Section C: Areas Evaluated During Inspection (Check only those areas evaluated) Permit Flow Measurement Operations & Maintenar Records/Reports Self -Monitoring Progran Sludge Handling DispoFacility Site Review Effluent/Receiving Wate Laboratory Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) (See attachment summary) Name(s) and Signature(s) Wes Bell of Inspector(s) Agency/Office/Phone and Fax Numbers Date —Docusigned by: DWR/MRO WQ/704-663-1699 Ext.2192/ 2/11/2021 "-A61696D90CC3437... Signature of Man Andrew Pitn en�fiVtPr@9 6iewer Agency/Office/Phone and Fax Numbers Date r A"'4114,/ H PattiR/MRO WQ/704-663-1699 Ext.2180/ 2.11.21 F161 FB69A2D84A3... EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete. Page# 1 NPDES yr/mo/day 31 NC0004375 111 121 21/02/04 I17 Inspection Type 18 [j 1 Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) Page# 2 Permit: NC0004375 Inspection Date: 02/04/2021 Owner - Facility: Mount Holly East Facility 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? Yes No NA NE ❑ ❑ • ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: There are currently eight tenants on the industrial site with no categorical waste streams. The influent consists mainly of domestic wastewater and stormwater; however, the influent also includes landfill leachate and approximately 5,000 gallons per week of a tenant's washwater from the cleaning of concrete forms. The last compliance inspection (Bio-monitoring) at this facility was performed by DWR staff on 3/19/2019. 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 operatc ❑ ❑ • ❑ 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? ❑ ❑ • ❑ Page# 3 Permit: NC0004375 Inspection Date: 02/04/2021 Owner - Facility: Mount Holly East Facility Inspection Type: Compliance Evaluation Record Keeping Yes No NA NE Comment: The records reviewed during the inspection were organized and well maintained. Discharge Monitoring Reports (eDMRs) were reviewed for the period January 2020 through December 2020. No effluent limit violations were reported and all monitoring frequencies were correct. 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? • ❑ ❑ ❑ # Is the facility using a contract lab? • ❑ ❑ ❑ # Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees • ❑ ❑ ❑ Celsius)? Incubator (Fecal Coliform) set to 44.5 degrees Celsius+/- 0.2 degrees? El ❑ • El Incubator (BOD) set to 20.0 degrees Celsius +/- 1.0 degrees? ❑ ❑ • ❑ Comment: On -site field analyses (dissolved oxygen, pH, conductivity, temperature) are performed under Clariant's field laboratory certification #5603. Pace Analytical Services and ETT Environmental (chronic toxicity) have also been contracted to provide analytical support. Effluent Sampling Is composite sampling flow proportional? Is sample collected below all treatment units? Is proper volume collected? 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: The subject permit requires influent BOD and TSS composite samples. Sampler aliquot verifications are performed and documented throughout each month. Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Upstream / Downstream Sampling Yes No NA NE Is the facility sampling performed as required by the permit (frequency, sampling type, anc • ❑ ❑ ❑ sampling location)? 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? Yes No NA NE Page# 4 Permit: NC0004375 Inspection Date: 02/04/2021 Owner - Facility: Mount Holly East Facility Inspection Type: Compliance Evaluation Operations & Maintenance Yes No NA NE Comment: The wastewater treatment units in service appeared to be properly operated and well maintained. Process control measurements were being documented and maintained on -site. Equalization Basins Is the basin aerated? Is the basin free of bypass lines or structures to the natural environment? 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? Yes No NA NE ❑ ❑ • ❑ • ❑ ❑ ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ • ❑ ❑ ❑ Comment: The facility is equipped with three stormwater equalization basins (ZO3B - alkaline drainage area and Z25 & Z26 - non alkaline drainage area). The stormwater has to be manually pumped out of the basins and back into the influent waste stream. 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: Yes No NA NE Pump Station - Influent Yes No NA NE 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? ❑ ❑ • ❑ Page# 5 Permit: NC0004375 Inspection Date: 02/04/2021 Owner - Facility: Mount Holly East Facility Inspection Type: Compliance Evaluation Pump Station - Influent Yes No NA NE Comment: The influent pump station is equipped with a gravity flow bypass to one of the stormwater equalization (ZO3B). The diverted flow would be manually pumped back into the influent pump station. Aeration Basins Yes No NA NE Mode of operation Type of aeration system Diffused 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? • El El El Is the DO level acceptable? • El El El Is the DO level acceptable?(1.0 to 3.0 mg/I) • ❑ ❑ ❑ Comment: A former secondary clarifier was converted into an aeration basin. The aeration basin is equipped with mixers and diffusers. The ORC maintains a very low biomass due to the low influent organic loading. 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'/ of the sidewall depth) Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ • ❑ ❑ II ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ Comment: The weirs were not excessively uneven and no short-circuiting was observed. The clarified effluent is conveyed (via open channel) for over 2,000 ft. including through two polishing ponds prior to flow measurement. Pumps-RAS-WAS Are pumps in place? Yes No NA NE • ❑ ❑ ❑ Page# 6 Permit: NC0004375 Inspection Date: 02/04/2021 Owner - Facility: Mount Holly East Facility Inspection Type: Compliance Evaluation Pumps-RAS-WAS Are pumps operational? Are there adequate spare parts and supplies on site? Comment: 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? Yes No NA NE Yes No NA NE • ❑ ❑ ❑ ❑ ❑ • ❑ Comment: The ORC checks the flow meter twice per month and calibrates the flow meter when flow measurements vary by more than five percent. The flow meter was last calibrated on 2/3/2021. 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: The effluent appeared clear with no floatable solids or foam. 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? Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ • ❑ Yes No NA NE • ❑ ❑ ❑ • ❑ ❑ ❑ • ❑ ❑ ❑ ❑ ❑ ❑ • ❑ ❑ ❑ • • ❑ ❑ ❑ Comment: The facility is equipped with two belt presses and two storage tanks (with mixing). One of the belt presses was not operational and has been taken out of service. The second belt press was not in service during the inspection. The ORC has not dewatered and disposed of sludge into the on -site landfill (Cell #3) since October 2016. The on -site disposal of sludge is permitted under the authority of Permit No. WQ0000537. Page# 7