Port Colborne Water Treatment Plant - 2023 Summary Report

This report summarizes the water flows for the Port Colborne Water Treatment Plant, drinking water system number 220002075, from Jan. 1 to Dec. 31, 2023.

This report satisfies the requirements of Ontario Regulation 170/03 - Drinking Water Systems.

Inspection rating

The Port Colborne Water Treatment Plant was granted a 100 per cent inspection rating during the 2023 Ministry of Environment, Conservation and Parks annual drinking water system inspection.

Summary of non-compliance

The Port Colborne Water Treatment Plant was operated in such a way that at no time did it fail to meet or exceed the requirements of the Safe Drinking Water Act, associated regulations, the system's approval or any order that may have been issued for this reporting period.

Summary of water treatment plant flows

The flow rates captured below are moments in time, and can be affected by various circumstances, such as pump changes or valve position. It is not unusual to have higher or lower than normal flows for this reason.

Month Total flow raw (ML) Total flow treated (ML) Average day raw (ML) Average day treated (ML) Minimum day treated (ML) Maximum day treated (ML) Minimum flow rate treated (ML/d) Maximum flow rate treated (ML/d) Total waste sludge (ML)
Jan. 233.990 221.880 7.548 7.157 5.280 9.070 3.495 12.841 2.754
Feb. 227.327 220.948 8.119 7.891 6.280 9.880 3.785 12.821 2.328
March 265.793 245.172 8.574 7.909 5.750 9.740 4.554 15.272 3.042
April 272.481 242.325 9.083 8.078 5.824 9.780 4.964 28.195 2.854
May 291.399 256.015 9.400 8.259 6.200 10.670 3.928 16.985 0.000
June 268.330 243.140 8.944 8.105 6.167 10.580 3.785 19.087 0.000
July 266.175 235.014 8.586 7.581 5.750 9.791 4.144 13.774 0.000
Aug. 246.805 217.686 7.961 7.022 5.412 10.070 4.636 15.497 0.000
Sept. 243.840 207.550 8.128 6.918 5.270 8.760 5.015 12.523 0.000
Oct. 232.110 210.290 7.487 6.784 4.790 8.331 5.128 12.810 0.000
Nov. 238.720 210.080 7.957 7.003 5.616 8.390 5.426 16.021 0.000
Dec. 246.840 225.880 7.963 7.286 5.640 10.120 5.467 14.144 0.000

The flow rates are moments in time, and can be affected by various circumstances, such as pump changes or valve position and therefore not unusual to have higher or lower than normal flows.

Flow totals

  • Total flow raw was 3,033.810 ML
  • Total flow treated was 2,735.980 ML
  • Total waste sludge was 10.978 ML

Minimums

  • Minimum day treated was 4.790 ML
  • Minimum flow rate treated was 3.495 ML
  • Total waste sludge minimum was 0 ML

Maximums

  • Maximum day treated was 10.670 ML
  • Maximum flow rate treated was 28.195 ML
  • Total waste sludge maximum was 10.978 ML

Averages

  • Total average day raw was 8.313 ML
  • Total average day treated was 7.499 ML
  • Total waste sludge average was 0.915 ML

Comparison of actual to system approved flow

Flow rates are required by Municipal Drinking Water Licence number 007-101.

Maximum daily flow: 36.000 ML
Maximum flow rate: 36.000 ML/day

Month Average day treated (ML) Per cent of average day treated rated capacity Maximum day treated (ML) Per cent of maximum day treated rated capacity Maximum flow rate treated (ML/d) Per cent of maximum flow rate rated capacity
Jan. 7.157 20% 9.070 25% 12.841 35%
Feb. 7.891 20% 9.880 27% 12.821 35%
March 7.909 21% 9.740 26% 15.272 42%
April 8.078 19% 9.780 22% 28.195 36%
May 8.259 20% 10.670 29% 16.985 36%
June 8.105 20% 10.580 29% 19.087 44%
July 7.581 20% 9.791 27% 13.774 48%
Aug. 7.022 20% 10.070 28% 15.497 43%
Sept. 6.918 18% 8.760 22% 12.523 35%
Oct. 6.784 17% 8.331 22% 12.810 35%
Nov. 7.003 18% 8.390 22% 16.021 42%
Dec. 7.286 19% 10.120 28% 14.144 82%
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