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HomeMy WebLinkAboutNC0020214_Annual Performance_202103092020 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 facility for the 2020 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 This renovation will not increase capacity but will replace outdated equipment and improve efficiency.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 2020 was 0.163 mgd. This represents 32.6% of plant capacity and was a 4.8% decrease from the avg. daily flow during 2019. This decrease was attributed to 0 flows at the facility during the month of July. Flow during this time period was rerouted to the TWSA #1 facility while Plant #2 underwent needed repairs. The highest monthly average in 2020 occurred in February 2020 and was recorded as 0.305 mgd. This represents 61% of total plant capacity and was a 13.2% increase from 2019. The highest daily recorded flow in 2020 was .656 mgd and occurred Feb 7th, 2020. There were four days during 2020 when the daily flow exceeded plant capacity. This plant produced 162,500 gallons of waste sludge during 2020. This sludge was hauled to via tank truck to TWSA Plant #1 for treatment. These residuals totaled 11.3 dry tons and represented 3.6 % of the total residuals generated by the Authorities facilities. Overall performance of the TWSA #2 wastewater plant for the calendar year of 2019 was excellent. There were no violations of permitted monthly, weekly or daily limits during the year. On average, there was a 96.2% 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. Month Flow mgd (Limit, 0.500 mgd) 2020 Monthly Performance Summary of Wastewater Plant Operations TWSA Plant # 2 (NC0020214) Inf Bod mg/I Eff BOD mg/I (Limit, 30 mg/I) 0/0 reduction January 0.219 198.0 < 2.6 98.7 February 0.305 183.0 3.5 98.1 March 0.245 298.0 3.8 98.7 April 0.227 164.0 > 15.1 90.8 May 0.220 115.0 4.6 96.0 June 0.092 158.0 15.0 90.5 July 0.000 No Flow No Flow No Flow August 0.120 91.3 7.6 91.7 September 0.117 155.0 < 2.8 98.2 October 0.140 134.0 < 5.7 95.7 November 0.134 124.0 3.6 97.1 December 0.134 162.0 5.6 96.5 avg. 0.163 162.0 < 6.4 95.6 Month Inf TSS mg/I Eff TSS mg/I (Limit, 30 mg/I) OA reduction Fecal Coliform per 100 ml (Limit, 200/100 mis) January 184.0 < 2.5 98.6 < 4 February 154.0 < 3.0 98.1 < 4 March 291.0 < 4.0 98.6 < 4 April 230.0 10.7 95.3 < 4 May 124.0 10.0 91.9 < 4 June 250.0 9.3 96.3 < 6 July No Flow No Flow No Flow No Flow August 165.0 < 3.1 98.1 < 4 September 229.0 < 3.7 98.4 < 4 October 163.0 < 3.4 97.9 < 4 November 148.0 < 5.8 96.1 < 4 December 166.0 7.6 95.4 < 4 avg. 191.3 < 5.7 96.8 < 4 Date TWSA Plant Permitted Jan '20 Feb '20 Mar '20 NPDESt # 2 Daily 2020 Flow• 0.500 Apr '20 NC002021. Yearly Monthly Yearly Daily Yearly Daily Jun '20 Avg. Avg. Max July '20 0.163 0.162 0.656 Aug '20 Flows mgd May '20 Sep '20 Oct '20 Nov '20 Dec '20 1 0.230 0.200 0.231 0.247 0.281 0.186 0.000 0.000 0.135 0.142 0.176 0.139 2 0.132 0.176 0.211 0.208 0.244 0.162 0.000 0.000 0.125 0.130 0.146 0.121 3 0.274 0.140 0.221 0.196 0.237 0.171 0.000 0.123 0.110 0.115 0.133 0.142 4 0.328 0.158 0.337 0.241 0.229 0.164 0.000 0.000 0.100 0.119 0.142 0.128 5 0.259 0.176 0.251 0.187 0.257 0.170 0.000 0.096 0.107 0.126 0.171 0.185 6 0.232 0.397 0.224 0.155 0.297 0.190 0.000 0.109 0.101 0.117 0.130 0.150 7 0.210 0.656 0.218 0.179 0.244 0.161 0.000 0.205 0.091 0.116 0.129 0.140 8 0.223 0.444 0.207 0.193 0.219 0.133 0.000 0.218 0.101 0.114 0.123 0.150 9 0.226 0.335 0.201 0.181 0.250 0.152 0.000 0.149 0.111 0.106 0.127 0.135 10 0.184 0.283 0.210 0.168 0.202 0.164 0.000 0.107 0.090 0.156 0.097 0.131 11 0.226 0.550 0.207 0.183 0.195 0.149 0.000 0.119 0.093 0.261 0.069 0.124 12 0.281 0.237 0.213 0.163 0.200 0.092 0.000 0.152 0.106 0.073 0.232 0.143 13 0.204 0.520 0.205 0.444 0.292 0.081 0.000 0.121 0.112 0.181 0.172 0.125 14 0.214 0.366 0.248 0.341 0.082 0.081 0.000 0.127 0.102 0.153 0.136 0.190 15 0.311 0.101 0.209 0.271 0.176 0.080 0.000 0.127 0.103 0.147 0.135 0.199 16 0.263 0.392 0.166 0.230 0.182 0.078 0.000 0.139 0.114 0.134 0.136 0.155 17 0.216 0.359 0.189 0.236 0.177 0.071 0.000 0.109 0.131 0.136 0.139 0.134 18 0.195 0.308 0.240 0.214 0.158 0.069 0.000 0.105 0.079 0.125 0.120 0.122 19 0.264 0.360 0.195 0.212 0.200 0.069 0.000 0.111 0.126 0.125 0.126 0.111 20 0.217 0.278 0.209 0.236 0.255 0.072 0.000 0.115 0.113 0.121 0.116 0.105 21 0.195 0.284 0.194 0.248 0.260 0.071 0.000 0.139 0.086 0.121 0.144 0.096 22 0.205 0.304 0.187 0.205 0.260 0.117 0.000 0.114 0.095 0.123 0.121 0.096 23 0.184 0.234 0.197 0.217 0.297 0.057 0.000 0.145 0.109 0.149 0.103 0.091 24 0.202 0.218 0.315 0.289 0.236 0.004 0.000 0.154 0.111 0.120 0.126 0.113 25 0.224 0.323 0.507 0.275 0.239 0.001 0.000 0.142 0.171 0.154 0.109 0.263 26 0.188 0.284 0.451 0.214 0.213 0.000 0.000 0.126 0.126 0.130 0.167 0.131 27 0.191 0.267 0.331 0.170 0.211 0.000 0.000 0.131 0.146 0.106 0.123 0.111 28 0.179 0.238 0.280 0.188 0.196 0.000 0.000 0.124 0.139 0.123 0.109 0.104 29 0.175 0.255 0.264 0.193 0.173 0.000 0.000 0.161 0.130 0.236 0.122 0.105 30 0.191 0.256 0.339 0.173 0.000 0.000 0.132 0.239 0.189 0.148 0.110 31 0.164 0.234 0.180 0.000 0.114 0.202 0.117 AVERA ( 0.219 ' 0.305 ' 0.245 0.227 ' 0.220 ' 0.092 0.000 ' 0.120 0.117 ' 0.140 . 0.134 : 0.134 MAXIM 0.328 0.656 0.507 0.444 ' 0.297 0.190 0.000 0.218 0.239 ► 0.261 0.232 0.263 MINIMU 0.132 0.101 0.166 0.155 ' 0.082 ' 0.000 ' 0.000 ' 0.000 ' 0.079 ' 0.073 ' 0.069 ' 0.091 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 Wastewater Plant Operations Supt. Tuckaseigee Water and Sewer Authority Dated: 3/9/2021