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%