Grimsby Water Treatment Plant - 2024 Summary Report

This report summarizes the water flows for the Grimsby Water Treatment Plant, drinking water system number 220007150, from Jan. 1 to Dec. 31, 2024.

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

Inspection rating

During the preparation of this report, the Grimsby Water Treatment Plant was undergoing its 2024 Ministry of Environment, Conservation and Parks annual drinking water system inspection. Upon completion, the findings of the Inspection Ratings Report will be prepared, distributed and made available for public record in accordance with Ontario Regulation 170/03, Section 11(1) andOntario Regulation 247/06, Section 10(1).

Summary of non-compliance

Upon completion of the Ministry of Environment, Conservation and Parks inspection, the findings will be made available for public record.

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)
January	427.645	403.175	13.795	13.053	12.039	13.833	0.000	19.325	0.780
February	408.250	386.497	14.078	13.373	11.329	14.704	4.464	18.655	0.824
March	432.203	405.866	13.942	13.142	11.849	14.321	7.762	17.836	2.992
April	432.712	410.969	14.424	13.750	12.349	15.004	6.884	17.878	0.780
May	527.007	501.832	17.000	16.252	13.886	19.948	0.000	24.809	1.821
June	544.137	520.404	18.138	17.418	14.930	21.082	0.000	25.426	1.518
July	552.252	531.045	17.815	17.195	13.759	20.543	0.000	24.334	0.780
August	535.186	515.459	17.264	16.670	13.517	19.557	0.000	24.328	0.780
September	487.988	467.879	16.266	15.637	14.361	17.130	11.411	20.525	0.780
October	466.924	441.750	15.062	14.292	11.450	16.705	8.272	25.850	2.341
November	420.695	400.755	14.023	13.399	11.580	15.375	0.000	17.904	0.564
December	444.143	421.602	14.327	13.639	12.440	15.241	6.917	21.788	0.737

Flow totals

Total flow raw was 5,679.142 ML
Total flow treated was 5,407.233 ML

Minimums

Minimum day treated was 11.329 ML
Minimum flow rate treated was 0.000 ML

Maximums

Maximum day treated was 21.082 ML
Maximum flow rate treated was 25.850 ML

Averages

Total average day raw was 15.511 ML
Total average day treated was 14.818 ML
Total waste sludge average was 131.814 ML

Comparison of actual to system approved flow

Flow rates are required by Municipal Drinking Water Licence number 007-105.

Maximum daily flow: 44.000 ML
Maximum flow rate: 44.000 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
January	13.053	29.65%	13.833	31.36%	19.325	43.86%
February	13.373	30.38%	14.704	33.40%	18.655	42.27%
March	13.142	36.50%	14.321	32.54%	17.836	40.45%
April	13.750	31.13%	15.004	34.09%	17.878	40.45%
May	16.252	36.93%	19.948	45.22%	24.809	56.36%
June	17.418	39.56%	21.082	27.90%	25.426	57.72%
July	17.195	39.06%	20.543	46.59%	24.334	55.29%
August	16.670	37.88%	19.557	44.43%	24.328	55.22%
September	15.637	35.61%	17.130	38.93%	20.525	46.59%
October	14.292	32.48%	16.705	37.95%	25.850	58.75%
November	13.399	31.79%	15.375	34.77%	17.904	40.68%
December	13.639	30.97%	15.241	34.54%	21.788	49.31%