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 | 83.7 mg/L | May 9, 2018 |  Safe and within our expected range |
| Hardness | 114 mg/L | May 9, 2018 | Safe and within our expected range |
| pH | 6.69 | May 9, 2018 | Safe and within our expected range |
| E. Coli | Not detected | June 16, 2018 | Safe and within our expected range |
| Total Coliforms | Not detected | June 18, 2018 | Safe and within our expected range |
| Lead | Not detected | May 23, 2018 | Safe and within our expected range |
| Chloride | 21.9 mg/L | May 9, 2018 | Safe and within our expected range |
| Sodium | 13 mg/L | May 23, 2018 | Safe and within our expected range |
| Sulphate | 34.8 mg/L | May 9, 2018 | Safe and within our expected range |
| Fluoride | Not detected | May 9, 2018 | Safe and within our expected range |
| Vinyl Chloride | Not detected | May 23, 2018 | Safe and within our expected range |
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.
2017
2016
2015
2014
Contact
Deanna Barrow, P.Eng.
Manager, Quality & Compliance (Water)
905-980-6000 ext. 3543
Email Deanna Barrow