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HomeMy WebLinkAboutNC0020214_Annual Report_20220127 2021 ANNUAL PERFORMANCE REPORT for Tuckaseigee Water and Sewer Authority Wastewater Operations The Tuckaseigee Water and Sewer Authority currently owns and operates four (4) wastewater treatment facilities. The following report is a summary of the operation of the TWSA Plant # 2 (NC0020214) facility for the 2021 calendar year. TWSA Plant # 2 Location: 114 East Hometown Place Rd. Sylva, North Carolina 28779 Operator in Responsible Charge: Ben Henson, ORC 828-508-2209 or Contact: Stan Bryson Wastewater Operations Superintendent 1246 West Main St. Sylva NC 28779 ph: 828-586-9318 TWSA Plant # 2 is operated under the authority of the following permit, as issued by the North Carolina Dept. Of Environment and Natural Resources: NC0020214 NPDES Discharge Permit TWSA Plant # 2 discharges from one outfall into Scott Creek which is classified Class C-Trout waters in the Little Tennessee River Basin. The plant process is a conventional activated sludge process with a design capacity of 0.5 million gallon/day. The plant consists of the following unit processes, manually cleaned bar screen, aerated grit removal, activated sludge with secondary clarification and chlorination and dechlorination facilities. The facility is currently in the design/permitting phase to renovate the equipment. This renovation will not increase capacity but will replace outdated equipment and improve efficiency. The average daily flow at the facility during the year 2021 was 0.117 mgd. This represents 23.4% of plant capacity and was a 9.2% decrease from the avg. daily flow during 2021. The highest monthly average in 2021 occurred in March 2021 and was recorded as 0.161 mgd. This represents 32.2% of total plant capacity and was a 28.8% decrease from 2020. The highest daily recorded flow in 2021 was .316 mgd and occurred Apr 1st, 2021. There were zero days during 2021 when the daily flow exceeded plant capacity. This plant produced 254,000 gallons of waste sludge during 2021. This sludge was hauled via tank truck to TWSA Plant #1 for treatment. These residuals totaled 21.65 dry tons and represented 6% of the total residuals generated by the Authorities facilities. Overall performance of the TWSA #2 wastewater plant for the calendar year of 2021 was excellent. There were no violations of permitted monthly, weekly or daily limits during the year. On average, there was a 97.3% reduction in the amount of pollutants in the water after treatment. This facilities permit was renewed on July 1, 2018 and expires Oct 31, 2022. 2021 Monthly Performance Summary of Wastewater Plant Operations TWSA Plant # 2 (NC0020214) Flow Inf Bod Eff BOD Month mgd mg/l mg/l % (Limit, 0.500 mgd) (Limit, 30 mg/l) reduction January 0.086 216.0 11.3 94.8 February 0.146 128.0 6.9 94.6 March 0.161 149.0 4.6 96.9 April 0.153 202.0 4.3 97.9 May 0.115 351.0 7.0 98.0 June 0.095 195.0 7.9 95.9 July 0.087 231.0 9.3 99.0 August 0.131 165.0 < 5.4 96.7 September 0.122 190.0 < 3.2 98.3 October 0.125 167.0 4.4 97.4 November 0.092 241.0 < 5.1 97.9 December 0.096 206.0 7.0 96.6 avg. 0.117 203.4 < 6.4 97.0 Inf TSS Eff TSS Fecal Coliform Month mg/l mg/l % per 100 ml (Limit, 30 mg/l) reduction (Limit, 200/100 mls) January 232.0 < 9.2 96.0 < 4 February 133.0 9.8 92.6 < 4 March 186.0 < 4.8 97.4 < 4 April 159.0 < 2.7 98.3 < 4 May 499.0 < 2.9 99.4 < 4 June 289.0 < 2.5 99.1 < 4 July 292.0 < 2.9 96.0 < 4 August 176.0 < 2.7 98.5 < 4 September 244.0 < 2.5 99.0 < 4 October 142.0 < 2.5 98.2 < 13 November 227.0 < 3.4 98.5 < 4 December 314.0 9.8 96.9 < 4 avg. 241.1 < 4.6 97.5 < 5 NPDES #NC 0020214 TWSA Plant # 2 Daily Flows Yearly Monthly Avg.0.117 2021 Yearly Daily Avg.0.117 Permitted Flow- 0.500 mgd Yearly Daily Max 0.421 Date Jan '21 Feb '21 Mar '21 Apr '21 May '21 Jun '21 Jul '21 Aug '21 Sep '21 Oct '21 Nov '21 Dec '21 1 0.128 0.138 0.195 0.316 0.152 0.071 0.094 0.081 0.282 0.104 0.094 0.081 2 0.226 0.109 0.200 0.263 0.093 0.086 0.100 0.069 0.206 0.065 0.079 0.074 3 0.142 0.101 0.176 0.167 0.106 0.102 0.103 0.071 0.139 0.100 0.095 0.077 4 0.100 0.115 0.148 0.192 0.198 0.086 0.087 0.122 0.144 0.111 0.088 0.114 5 0.105 0.110 0.145 0.173 0.180 0.079 0.081 0.167 0.125 0.105 0.101 0.096 6 0.119 0.111 0.152 0.154 0.169 0.090 0.081 0.114 0.118 0.156 0.098 0.086 7 0.101 0.106 0.127 0.176 0.114 0.084 0.077 0.095 0.120 0.235 0.092 0.088 8 0.097 0.109 0.102 0.145 0.135 0.087 0.078 0.101 0.105 0.311 0.088 0.093 9 0.106 0.095 0.130 0.143 0.122 0.117 0.095 0.097 0.128 0.234 0.071 0.086 10 0.104 0.101 0.111 0.141 0.107 0.107 0.096 0.117 0.102 0.184 0.094 0.089 11 0.094 0.113 0.133 0.153 0.114 0.106 0.086 0.102 0.092 0.113 0.083 0.091 12 0.121 0.110 0.113 0.139 0.117 0.120 0.076 0.066 0.102 0.138 0.132 0.130 13 0.093 0.241 0.112 0.128 0.130 0.099 0.093 0.091 0.086 0.116 0.125 0.094 14 0.094 0.184 0.116 0.131 0.114 0.091 0.078 0.107 0.090 0.132 0.094 0.094 15 0.100 0.148 0.107 0.119 0.122 0.081 0.090 0.071 0.111 0.115 0.080 0.084 16 0.084 0.197 0.126 0.137 0.109 0.086 0.083 0.080 0.098 0.122 0.072 0.090 17 0.063 0.144 0.169 0.132 0.102 0.083 0.076 0.090 0.090 0.108 0.099 0.095 18 0.113 0.226 0.258 0.112 0.096 0.099 0.086 0.421 0.114 0.106 0.098 0.082 19 0.087 0.212 0.214 0.095 0.098 0.089 0.079 0.252 0.197 0.086 0.072 0.150 20 0.004 0.176 0.153 0.113 0.118 0.089 0.082 0.192 0.116 0.104 0.097 0.115 21 0.000 0.150 0.145 0.116 0.087 0.077 0.084 0.186 0.121 0.121 0.088 0.097 22 0.000 0.143 0.135 0.106 0.086 0.124 0.078 0.198 0.120 0.118 0.099 0.087 23 0.000 0.156 0.115 0.103 0.093 0.146 0.090 0.132 0.138 0.099 0.081 0.093 24 0.000 0.144 0.027 0.104 0.090 0.106 0.076 0.132 0.101 0.104 0.095 0.090 25 0.000 0.132 0.101 0.168 0.080 0.092 0.068 0.146 0.108 0.083 0.103 0.090 26 0.000 0.118 0.295 0.109 0.108 0.097 0.119 0.129 0.104 0.110 0.078 0.086 27 0.103 0.211 0.133 0.123 0.090 0.088 0.106 0.122 0.109 0.087 0.078 0.076 28 0.135 0.175 0.285 0.181 0.086 0.090 0.088 0.120 0.101 0.099 0.086 0.082 29 0.117 0.277 0.182 0.165 0.083 0.095 0.123 0.102 0.107 0.090 0.096 30 0.108 0.251 0.265 0.099 0.095 0.072 0.117 0.094 0.105 0.096 0.151 31 0.131 0.235 0.088 0.093 0.141 0.096 0.106 AVERAG 0.086 0.146 0.161 0.153 0.115 0.095 0.087 0.131 0.122 0.125 0.092 0.096 MAXIMU 0.226 0.241 0.295 0.316 0.198 0.146 0.119 0.421 0.282 0.311 0.132 0.151 MINIMUM 0.000 0.095 0.027 0.095 0.080 0.071 0.068 0.066 0.086 0.065 0.071 0.074 The annual report of the Tuckaseigee Water and Sewer Authority Wastewater operations is available to the public for review at the central offices located at 1246 West Main St. Sylva, NC 28779. Notification of the availability of this report has been made to the customers or users of these facilities through advertisements in the print media located in the geographic area the Authority serves. 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 the user or customers of the named system and that those users have been notified of its availability. Stan Bryson Dated: 1/27/22 Wastewater Plant Operations Supt. Tuckaseigee Water and Sewer Authority