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
Alkalinity88 mg/LOct. 1, 202530 - 500 mg/LTarget in range Safe and within our expected range
Hardness126 mg/LOct. 1, 2025<200 mg/LTarget in range Safe and within our expected range
pH7.35 Nov. 13, 20256.5-8.5Target in range Safe and within our expected range
E. ColiNot detectedNov. 3, 20250 counts/100 mLTarget in range Safe and within our expected range
Total ColiformsNot detectedNov. 3, 20250 counts/100 mLTarget in range Safe and within our expected range
LeadNot detectedAug. 5, 20250-0.01 mg/LTarget in range Safe and within our expected range
Chloride26.8 mg/LOct. 1, 20250 - 250 mg/LTarget in range Safe and within our expected range
Sodium16.9 mg/LAug. 5, 20250-20 mg/LTarget in range Safe and within our expected range
Sulphate31.8 mg/LOct. 1, 20250 - 200 mg/LTarget in range Safe and within our expected range
FluorideNot detectedOct. 1, 20250 - 1.5 mg/LTarget in range Safe and within our expected range
Vinyl ChlorideNot detectedAug. 5, 20250-0.001 mg/LTarget in range Safe and within our expected range
Calcium35.8 mg/LOct. 1, 2025 No current standards or guidelines for this parameter
Magnesium8.96 mg/LOct. 1, 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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