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HomeMy WebLinkAboutNC0069761_Annual Report_20210801 Town of Beech Mountain Wastewater Collection and Treatment System Performance Report 2021-2021 Fiscal Year This report provides information on the collection and treatment system operated by the Town of Beech Mountain Public Utilities Department. Summarized herein is general information and performance data covering the period from July 1, 2020 to June 30`h, 2021. A copy of this report is available to the public upon request. Please direct questions about this report to the Public Works and Utilities office at(828) 387-9282. Collection and Treatment System Description The Town of Beech Mountain Wastewater collection and treatment system consists of approximately 60 miles of sewer pipe, five lift/pump stations, and two treatment plants. The Town collection system is operated under Permit#WQCS00210. The Town is permitted to treat wastewater at two facilities: Pond Creek Wastewater Treatment Plant(PCWWTP) and Grassy Gap Creek Wastewater Treatment Plant(GGCWWTP). The Pond Creek WWTP operates under National Pollutant Discharge Elimination System(NPDES) Permit #NC0069761. Wastewater is collected via a gravity system with two pump stations to a 0.400 million gallons per day extended aeration treatment plant with UV disinfection. No tonnage of biosolids for FY 2020-2021 have been disposed of The Town maintains a Biosolids Disposal DCAR Residuals Management Systems Land Application Permit WQ0002523. The Grassy Gap Creek WWTP operates under NPDES Permit#NC002273. Wastewater is collected via a gravity system with two pump stations to a 0.080 million gallons per day extended aeration treatment plant with C12 disinfection. Combined,the facilities have a treatment capacity of 0.480 million gallons/day. Reference Table 1 and Table 2 for Discharge Monitoring Report Statistics. Performance Summary Between July 1st, 2020, and June 30th, 2021,the Town reported had no Sanitary Sewer Overflows(SSO). There was a total of two wastewater treatment facility permit violations at the Pond Creek WWTP, and One violation and the Grassy Gap WWTP as summarized in Table 3. During the FY 2020-2021,the utility has also begun the Water and Sewer Rehabilitation Project (H-SRP-D17-0126 &E-SRP-W-17-0104). This project focuses on the Charter Hills area including over 20,000 feet of line replacement and rehab as well as many manhole repairs in the continuing effort to reduce inflow and infiltration to our system. Project completion is expected by November 2021. The Utility continues to plan for future repairs in our system and ask for customer involvement in reducing SSO volume and the reduction of water getting into the system. Help us to keep the system free of materials that cause blockages by not dumping debris, fats, oils, or grease into the system. To report a sewer spill,please contact the Town of Beech Mountain Emergency Dispatch at 828-387-2342. For questions regarding the Town Utilities programs or additional information regarding this report,please contact Mr. Daniel Davis, Utilities Director at(828) 387-9282. Copies of this report may be obtained by calling Public Works at(828)387-3828 and requesting a copy or Town Hall at(828) 387-4236 and requesting a copy. This report is also available at the town website, TownofBeechMountain.com,https://townofbeechmountain.com/water- sewer/#water-reports. This document includes details about monitoring system discharges and overflows from our system, the preventative maintenance program the Commission has established to prevent potential problems and the degree to which we complied with State and Federal standards during the fiscal year ending June 30, 2008. Certification of Accuracy I certify under penalty of law that this report is complete and accurate to the best of my knowledge. I further certify that this report has been made available to all persons or customers of the Town of Beech Mountain Municipal water and sewer system and have been notified of the availability of this r o Date d r(7" 2D2/ Daniel Davis Public Utilities Director Town of Beech Mountain Appendices: Average Pond Creek WWTP Total (MG) Min(MGD) Max(MGD) (MGD) July `20 5.611 0.079 0.363 0.181 August `20 6.169 0.1 0.41 0.199 September `20 5.35 0.1 0.28 0.178 October `20 6.82 0.12 0.466 0.22 November `20 6.15 0.09 0.8 0.205 December '20 7.161 0.1 0.42 0.231 January '21 7.192 0.11 0.468 0.232 February `21 8.68 0.13 0.74 0.31 March `21 8.80 0.1 0.72 0.28 April '21 5.07 0.09 0.45 0.169 May '21 3.78 0.09 0.17 0.122 June '21 5.46 0.11 0.51 0.182 Table 1: Pond Creek WWTP Effluent Flow Monthly Statistics `20-'21 FY. Total effluent flow discharged from treatment plant is measured in million gallons (MG). Min,max and average daily values are represented in units of millions of gallons per day (MGD). Total flow Grassy Gap WWTP (MG) Min(MGD) Max(MGD) Average (MGD) July `20 1.705 0.024 0.153 0.055 August `20 1.209 0.21 0.12 0.039 September `20 0.77 0.013 0.041 0.025 October `20 1.178 0.014 0.0174 0.038 November `20 1.41 0.017 0.193 0.08 December `20 1.767 0.011 0.098 0.057 January `21 1.612 .09 .018 .052 February `21 1.484 .024 .1 .053 March '21 1.829 .016 .144 .059 April '21 1.14 .015 .102 .038 May '21 .762 .017 .038 .025 June `21 1.02 .015 .092 .034 Table 2: Grassy Gap WWTP Effluent Flow Monthly Statistics `20-'21 FY. Total effluent flow volume is measured in million gallons (MG). Min,max and average daily values are represented in units of millions of gallons per day(MGD). Table 3:NPDES Permit Compliance Violations Summary '20-'21 FY Grassy Gap WWTP Pond Creek WWTP September 14th,2020: Compliance September 14th,2020: Compliance Evaluation and Inspection, CONTINUING Evaluation and Inspection, CONTINUING NOTICE OF VIOLATION. NOTICE OF VIOLATION. • Influent Flow meter replacement and • Permit-Influent Flow meter inclusion inclusion into Permitted components. into Permitted components. • Previous year Annual Report Signed • Record Keeping-Previous year Copy not available. Annual Report Signed Copy not • Flow Measurement—Sampler Flow available. pacing • INF-EFF Sampling—Replacement of • INF-EFF Sampling—Replacement of sampling devices. sampling devices. • Primary Clarifier—Pin Floc • Aeration Basins—Excessive Foam • Secondary Clarifier-Pin Floc • Flow Measurement—Sampler Flow pacing • Disinfection UV—flow not clear • Aerobic Digester—Sludge Age March 25th,2021: Limit Exceedance Violation,NOTICE OF VIOLATION • Monthly Average of Nitrogen, Ammonia Total (as N)—concentration (CO610) • Limit Value of 2.6, Reported Value of 3.46