Water Quality Reports - Grimsby / West Lincoln

The Grimsby Water Treatment Plant provides water to Grimsby, West Lincoln and a portion of Lincoln.

Current Status

The values below represent the water quality leaving the water treatment plant on the date indicated with the exception of pH which is for distribution water.

These values are updated on a monthly basis and measured by a laboratory that is certified by the Ministry of Environment, Conservation and Parks.

ParameterValueSample DateRangeTarget in Range
Alkalinity85 mg/LNov. 5, 202530 - 500 mg/LTarget in range Safe and within our expected range
Hardness126 mg/LNov. 5, 2025<200 mg/LTarget in range Safe and within our expected range
pH7.24 Dec. 4, 20256.5-8.5Target in range Safe and within our expected range
E. ColiNot detectedNov. 24, 20250 counts/100 mLTarget in range Safe and within our expected range
Total ColiformsNot detectedNov. 24, 20250 counts/100 mLTarget in range Safe and within our expected range
LeadNot detectedNov. 5, 20250-0.01 mg/LTarget in range Safe and within our expected range
Chloride24.4 mg/LNov. 5, 20250 - 250 mg/LTarget in range Safe and within our expected range
Sodium15.5 mg/LNov. 5, 20250-20 mg/LTarget in range Safe and within our expected range
Sulphate30 mg/LNov. 5, 20250 - 200 mg/LTarget in range Safe and within our expected range
Fluoride0.08 mg/LNov. 5, 20250 - 1.5 mg/LTarget in range Safe and within our expected range
Vinyl ChlorideNot detectedNov. 5, 20250-0.001 mg/LTarget in range Safe and within our expected range
Calcium35.1 mg/LNov. 5, 2025 No current standards or guidelines for this parameter
Magnesium9.36 mg/LNov. 5, 2025 No current standards or guidelines for this parameter

For more information about the quality of water in your local distribution system, contact your area municipality.

Under Ontario Regulation 170/03, Niagara Region and the area municipalities are responsible for providing water quality reports.

Reports

2024

2023

2022

2021

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