Port Colborne Water Treatment Plant - 2022 Summary Report

This report summarizes the water flows for the Port Colborne Water Treatment Plant, drinking water system number 220002066, from Jan. 1 to Dec. 31, 2022.

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 2022 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.	229.350	224.200	7.398	7.232	4.370	16.080	3.703	17.877	1.571
Feb.	209.250	205.130	7.473	39.047	5.800	9.550	3.467	17.703	1.594
March	238.130	233.620	7.682	39.073	5.410	9.255	3.887	15.087	1.719
April	207.590	205.000	6.920	39.06	5.830	8.030	2.854	12.851	1.701
May	229.400	220.600	7.400	43.796	5.680	8.600	3.189	12.964	1.608
June	231.980	220.620	7.733	47.41	5.680	8.730	3.631	15.846	1.604
July	232.258	226.102	7.492	52.904	5.545	9.715	3.774	17.415	1.958
Aug.	226.392	218.218	7.303	49.917	5.300	8.757	3.399	39.600	2.195
Sept.	204.100	190.900	6.803	43.352	4.360	8.070	3.703	12.615	2.265
Oct.	196.060	191.140	6.325	40.135	4.650	7.850	3.805	12.749	1.629
Nov.	197.190	193.120	6.573	37.363	4.710	8.040	4.810	15.210	1.558
Dec.	215.810	209.180	6.962	37.185	4.655	8.620	4.708	29.409	2.520

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 2617.510 ML
Total flow treated was 2537.830 ML
Total waste sludge was 21.922 ML

Minimums

Minimum day treated was 4.360 ML
Minimum flow rate treated was 2.854 ML
Total waste sludge minimum was 1.558 ML

Maximums

Maximum day treated was 16.080 ML
Maximum flow rate treated was 39.600 ML
Total waste sludge maximum was 2.520 ML

Averages

Total average day raw was 7.172 ML
Total average day treated was 6.954 ML
Total waste sludge average was 1.827 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.	7.232	20%	16.080	45%	17.877	50%
Feb.	7.326	20%	9.550	27%	17.703	49%
March	7.536	21%	9.255	26%	15.087	42%
April	6.833	19%	8.030	22%	12.851	36%
May	7.116	20%	8.600	24%	12.964	36%
June	7.354	20%	8.730	24%	15.846	44%
July	7.294	20%	9.715	27%	17.415	48%
Aug.	7.039	20%	8.757	24%	39.600	110%
Sept.	6.363	18%	8.070	22%	12.615	35%
Oct.	6.166	17%	7.850	22%	12.749	35%
Nov.	6.437	18%	8.040	22%	15.210	42%
Dec.	6.748	19%	8.620	24%	29.409	82%