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unofficial consolidation, the official version is held by the municipal clerk.
Residential
2025
2026
Sanitary Sewer Rate ($/m³)
$2.84
$2.99
Storm Sewer Rate ($/month)
$13.03
$13.42
Special Sewer Rate ($/month)
$38.76*
$39.93*
*Rate used for lands not connected to municipal sanitary sewer
Commercial and Institutional
2025
2026
Sanitary Sewer Rate ($/m³)
$1.20
$1.38
Storm Sewer Rate ($/month)
$13.03
$13.42
Special Sewer Rate ($/ha/month)
$179.50*
$184.89*
* Rate used for land areas greater than 1800 m2
Industrial
2025
2026
Sanitary Sewer Rate ($/m³)
$2.31
$2.38
Storm Sewer Rate ($/ha/month)
$179.50
$184.89
The 2026 rates are based on the recommendations of the 2022 Wastewater and
Stormwater Rate Study. The rate revenue funds the operating and capital needs of the
sanitary sewage and storm drainage systems. This increase will be reflected on the
Entegrus Powerlines Inc. utility bill effective January 1, 2026. The volume of sewage
collected is based on the volume of water used.
2026 NOTICE
WATER AND SEWER
RATE CHANGES
Environmental Services Department
PO Box 520, 545 Talbot Street
St. Thomas ON N5P 3V7
(519) 631-1680
Sewer Rate Changes
Effective January 1, 2026, the St. Thomas Sanitary Sewer and Storm Drainage Sewer
Service Rates will be adjusted as follows:
Water Monthly Base Rates
Water Meter Size
2025
2026
5/8"
$17.75
$17.75
3/4"
$25.02
$25.02
1"
$35.31
$35.31
1½"
$56.46
$56.46
2"
$91.86
$91.86
3"
$148.65
$148.65
4"
$293.15
$293.15
6"
$507.75
$507.75
Water Consumption Rates
2025
2026
Water Consumption Rate
$2.2168
$2.2776
Large Food Processors
(after first 850m3)
$1.6626
$1.7082
Effective January 1, 2026, the St. Thomas
Water Distribution System consumption
rate will increase to $2.2776/m .
3
(1m = 220 imp. gallons = 1000 litres)
3
The water charges applied to your utility
bill support the operating activities and
capital needs to operate and maintain a
safe, reliable and sustainable water supply
for residents and businesses.
How are rates determined?
The City of St. Thomas Water Distribution
System is supplied with drinking water
from two sources; the Elgin Area Primary
Water Supply System (~70%), and the St.
Thomas Area Secondary Water Supply
System (~30%).
The Elgin Area Primary and St. Thomas
Area Secondary Water Supply System
advise the City of the rates they are going
to
charge
for
the
use
of
their
infrastructure, which is then added to the
rates determined by the City of St. Thomas
Rate Studies. The rate studies take into
account the costs to operate and maintain
the drinking water systems, including the
development of reserves, to be used for
system renewal and replacement projects.
The 2026 rate increases are a result of:
1) The Elgin Area Primary Water Supply
System has advised of an increase from
$1.0337/m³ to $1.0699/m³, for the bulk
supply of treated water.
2) The St. Thomas Area Secondary Water
Supply System has advised of an increase
from $0.6609/m³ to $0.6824/m³, for the
bulk supply of secondary system water.
3) The City of St. Thomas approved an
increase of the water rate from $0.9848/m³
to $1.0030/m³, for the operating and
capital
costs
of
maintaining
the
distribution system.
Water Rate Changes
WATER SUPPLY CHARGES ON YOUR UTILITY BILL CONSISTS OF TWO PARTS:
The Monthly Base Charge is the fixed cost portion of the cost of the water supply.
The charge applied is determined by the size of the property's water meter. This fixed
charge was maintained at 2025 rates for all meter sizes as shown in the table below:
The Water Consumption Charge is calculated by multiplying your metered usage
(consumption in m ) by the Water Consumption Rate.
3
The 2026 Water Consumption Rates for St. Thomas Water Distribution System
customers are as follows: