Water Quality Reports - Decew

The Decew Falls Water Treatment Plant provides water to St. Catharines and portion of Thorold, Lincoln and Niagara-on-the-Lake.

Current Status

The values below represent the water quality leaving the water treatment plant on the date indicated.

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

ParameterValueSample DateTarget in Range
Alkalinity92 mg/LMarch 6, 2019Target in range Safe and within our expected range
Hardness101 mg/LMarch 6, 2019Target in range Safe and within our expected range
pH7.64 March 6, 2019Target in range Safe and within our expected range
E. ColiNot detectedMarch 18, 2019Target in range Safe and within our expected range
Total ColiformsNot detectedMarch 18, 2019Target in range Safe and within our expected range
LeadNot detectedFeb. 12, 2019Target in range Safe and within our expected range
Chloride24.7 mg/LMarch 6, 2019Target in range Safe and within our expected range
Sodium12.4 mg/LMarch 6, 2019Target in range Safe and within our expected range
Sulphate40.3 mg/LMarch 6, 2019Target in range Safe and within our expected range
FluorideNot detectedMarch 6, 2019Target in range Safe and within our expected range
Vinyl ChlorideNot detectedFeb. 12, 2019Target in range Safe and within our expected range
Calcium28.1 mg/LMarch 6, 2019 No current standards or guidelines for this parameter
Magnesium7.52 mg/LMarch 6, 2019 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.

Reports

Under Ontario Regulation 170/03 both the Regional Municipality of Niagara and the area municipalities have the responsibility to provide Water Quality Quarterly Reports.

2018

2017

2016

Contact

Deanna Barrow, P.Eng.
Manager, Quality & Compliance (Water)
905-980-6000 ext. 3543
Email Deanna Barrow

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