Niagara Falls Water Treatment Plant - 2025 Summary Report

This report summarizes the water flows for the Niagara Falls Water Treatment Plant, drinking water system number 220002084, from Jan. 1 to Dec. 31, 2025.

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

Inspection rating

The Niagara Falls Water Treatment Plant was granted a 100 per cent inspection rating during the 2025-2026 Ministry of Environment, Conservation and Parks annual drinking water system inspection.

Summary of non-compliance

The Niagara Falls 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 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)
January	1383.553	1280.483	44.631	41.306	35.961	46.508	5.655	70.566	1.474
February	1262.604	1164.135	45.093	41.576	34.758	44.789	5.386	61.913	3.599
March	1382.250	1277.898	44.589	41.223	34.407	44.789	6.411	73.763	0.000
April	1347.836	1244.188	44.928	41.473	37.531	45.320	16.613	69.028	2.862
May	1472.734	1356.218	47.508	43.749	39.187	48.281	10.370	69.338	2.125
June	1669.938	1556.836	55.665	51.895	43.518	60.727	18.103	81.047	1.301
July	1864.140	1738.703	60.134	56.087	49.109	63.898	6.353	84.403	1.908
August	1837.406	1723.453	59.271	55.595	45.359	69.735	13.425	92.972	1.604
September	1523.985	1435.664	50.800	47.855	41.094	57.446	9.902	75.000	2.428
October	1382.508	1306.891	44.597	42.158	39.008	49.227	12.315	61.256	1.301
November	1292.500	1205.031	43.083	40.168	36.149	48.133	4.376	66.113	1.821
December	1311.468	1233.875	42.305	39.802	35.821	45.007	9.009	70.022	0.130

Flow totals

Total flow raw was 17730.922 ML
Total flow treated was 16523.375 ML
Total waste sludge was 20.553 ML

Minimums

Minimum day treated was 34.407 ML
Minimum flow rate treated was 4.376 ML/day
Total waste sludge minimum was 0.000 ML

Maximums

Maximum day treated was 69.735 ML
Maximum flow rate treated was 92.972 ML/day
Total waste sludge maximum was 3.599 ML

Averages

Total average day raw was 48.55 ML
Total average day treated was 45.24 ML
Total waste sludge average was 1.713 ML

Comparison of actual to system approved flow

Flow rates are required by Municipal Drinking Water Licence number 007-102.

Maximum daily flow: 145.500 ML
Maximum flow rate: 145.500 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
January	41.306	28%	46.508	32%	70.566	49%
February	41.576	29%	44.789	31%	61.913	43%
March	41.223	28%	44.789	31%	73.763	51%
April	41.473	29%	45.320	31%	69.028	47%
May	43.749	30%	48.281	33%	69.338	48%
June	51.895	36%	60.727	42%	81.047	56%
July	56.087	39%	63.898	44%	84.403	58%
August	55.595	38%	69.735	48%	92.972	64%
September	47.855	33%	57.446	39%	75.000	52%
October	42.158	29%	49.227	34%	61.256	42%
November	40.168	28%	48.133	33%	66.113	45%
December	39.802	27%	45.007	31%	70.022	48%