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.

Parameter	Value	Sample Date	Target in Range
Alkalinity	92 mg/L	March 6, 2019	Safe and within our expected range
Hardness	101 mg/L	March 6, 2019	Safe and within our expected range
pH	7.64	March 6, 2019	Safe and within our expected range
E. Coli	Not detected	March 18, 2019	Safe and within our expected range
Total Coliforms	Not detected	March 18, 2019	Safe and within our expected range
Lead	Not detected	Feb. 12, 2019	Safe and within our expected range
Chloride	24.7 mg/L	March 6, 2019	Safe and within our expected range
Sodium	12.4 mg/L	March 6, 2019	Safe and within our expected range
Sulphate	40.3 mg/L	March 6, 2019	Safe and within our expected range
Fluoride	Not detected	March 6, 2019	Safe and within our expected range
Vinyl Chloride	Not detected	Feb. 12, 2019	Safe and within our expected range
Calcium	28.1 mg/L	March 6, 2019	No current standards or guidelines for this parameter
Magnesium	7.52 mg/L	March 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

Water

Water Quality Reports

A - Z Services Contact Us Job Opportunities Disclaimer and Privacy Accessibility News and Notices