Water Rates & Billing
When reading your water invoice please note there are several components that make up your invoice. Union Water Supply System Inc. is just one aspect of your invoice, we supply the Treatment and Transmission portion of your invoice. Billing for UWSS Inc. treatment and transmission is done by your municipality on behalf of UWSS Inc.
As of April 1, 2025, the new treatment and transmission Rate is $0.7967 per cubic meter. Additionally, there is a capital improvement levy of $0.01 per cubic meter to be applied to greenhouse operations customers to support the treatment plant capacity expansion infrastructure projects.
Each municipality will then add their own water charge and or additional charges, please check with your individual municipality to find more details.
Links to the partner municipalities are found below:
The Town of Essex's Water Rates
Town of Kingsville's Water Rates
Contact Us
Union Water Supply System
1615 Union Ave., Box 340
Ruthven, Ontario
N0P 2G0
Phone: 519-326-1668
Between 8:30 to 4:30 pm Monday thru Friday.
Available 24 hours a day, 7 days a week,
365 days a year to answer any questions,
Call: 519-326-4447