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Port Colborne Water Treatment Plant - 2021 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, 2021.

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

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. 200.240 196.800 6.459 6.348 4.110 7.430 3.969 12.564 1.930
Feb. 185.340 183.440 6.619 6.551 5.160 7.500 4.021 16.010 1.790
March 205.490 204.040 6.629 6.582 4.400 7.310 3.846 12.708 2.134
April 189.870 189.230 6.329 6.308 4.390 7.160 4.021 15.332 1.739
May 208.110 202.550 6.713 6.534 4.760 8.470 3.549 16.092 2.112
June 209.290 207.190 6.976 6.906 4.980 7.999 3.589 16.841 2.140
July 204.500 201.180 6.597 6.490 4.470 8.080 3.579 12.533 2.169
Aug. 217.860 213.350 7.028 6.882 4.980 9.570 3.590 17.200 1.750
Sept. 189.650 185.190 6.322 6.173 4.220 7.600 3.610 16.667 1.647
Oct. 184.930 180.820 5.965 5.833 4.530 6.931 3.313 27.815 1.691
Nov. 188.430 177.740 6.281 5.925 4.017 9.140 3.846 12.697 1.999
Dec. 193.710 189.290 6.249 6.106 4.310 7.190 3.559 18.718 2.031

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 2377.420 ML
  • Total flow treated was 2330.820 ML
  • Total waste sludge was 23.132 ML

Minimums

  • Minimum day treated was 4.017 ML
  • Minimum flow rate treated was 3.313 ML
  • Total waste sludge minimum was 1.647 ML

Maximums

  • Maximum day treated was 9.570 ML
  • Maximum flow rate treated was 27.815 ML
  • Total waste sludge maximum was 2.169 ML

Averages

  • Total flow treated average was 194.235 ML
  • Total average day raw was 6.514 ML
  • Total average day raw was 6.387 ML
  • Total waste sludge average was 1.928 ML

Comparison of actual to system approved flow

Flow rates are required by Municipal Drinking Water Licence number 007-202.

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. 6.348 17.6% 7.430 20.6% 12.564 34.9%
Feb. 6.551 18.2% 7.500 20.8% 16.010 44.5%
March 6.582 18.3% 7.310 20.3% 12.708 35.3%
April 6.308 17.5% 7.160 19.9% 15.332 42.6%
May 6.534 18.1% 8.470 23.5% 16.092 44.7%
June 6.906 19.2% 7.999 22.2% 16.841 46.8%
July 6.490 18.0% 8.080 22.4% 12.533 34.8%
Aug. 6.882 19.1% 9.570 26.6% 17.200 47.8%
Sept. 6.173 17.1% 7.600 21.1% 16.667 46.3%
Oct. 5.833 16.2% 6.931 19.3% 27.815 77.3%
Nov. 5.925 16.5% 9.140 25.4% 12.697 35.3%
Dec. 6.106 17.0% 7.190 20.0% 18.718 52.0%
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