Rosehill Water Treatment Plant - 2023 Summary Report

This report summarizes the water flows for the Rosehill Water Treatment Plant, drinking water system number 220002020, from Jan. 1 to Dec. 31, 2023.

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

Inspection rating

The Rosehill Water Treatment Plant was granted a 100 per cent inspection rating during the 2022 - 2023 Ministry of Environment, Conservation and Parks annual drinking water system inspection.

Summary of non-compliance

The Rosehill 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.	402.552	373.605	12.986	12.052	10.729	18.412	6.272	27.785	13.715
Feb.	345.887	325.209	12.353	11.615	10.609	12.465	5.616	23.240	18.263
March	378.412	353.129	12.207	11.391	10.703	12.186	5.700	23.981	13.715
April	379.761	360.931	12.659	12.031	11.220	15.948	11.100	14.108	18.095
May	449.679	439.172	14.506	14.167	11.683	18.267	6.192	30.222	16.865
June	475.427	472.758	15.848	15.759	12.666	19.728	7.754	36.371	25.199
July	453.139	460.984	14.617	14.870	13.147	16.871	7.618	25.017	18.962
Aug.	424.361	428.440	13.689	13.821	12.421	15.467	1.527	25.035	19.866
Sept.	409.483	400.195	13.649	13.340	12.249	15.051	6.108	24.719	18.644
Oct.	378.817	363.317	12.220	11.720	10.647	14.317	4.370	26.691	20.626
Nov.	339.183	322.664	11.306	10.755	10.101	11.571	5.263	23.682	18.558
Dec.	348.088	337.615	11.229	10.891	9.944	11.490	5.878	22.098	18.644

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 4,784.789 ML
Total flow treated was 4,638.019 ML
Total waste sludge was 221.152 ML

Minimums

Minimum day treated was 9.944 ML
Minimum flow rate treated was 1.527 ML
Total waste sludge minimum was 13.715 ML

Maximums

Maximum day treated was 19.728 ML
Maximum flow rate treated was 36.371 ML
Total waste sludge maximum was 25.199 ML

Averages

Total average day raw was 13.106 ML
Total average day treated was 12.701 ML
Total waste sludge average was 18.429 ML

Comparison of actual to system approved flow

Flow rates are required by Municipal Drinking Water Licence number 007-103.

Maximum daily flow: 50.000 ML
Maximum flow rate: 50.000 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.	12.052	24%	18.412	37%	27.785	56%
Feb.	11.615	23%	12.465	25%	23.240	46%
March	11.391	23%	12.186	24%	23.981	48%
April	12.031	24%	15.948	32%	14.108	28%
May	14.167	28%	18.267	37%	30.222	60%
June	15.759	32%	19.728	39%	36.371	73%
July	14.870	30%	16.871	34%	25.017	50%
Aug.	13.821	28%	15.467	31%	25.035	50%
Sept.	13.340	27%	15.051	30%	24.719	49%
Oct.	11.720	23%	14.317	29%	26.691	53%
Nov.	10.755	22%	11.571	23%	23.682	47%
Dec.	10.891	22%	11.490	23%	22.098	44%