Water & sewer — St. Marys, Ontario

What are the water and sewer rules and rates?

In the Town of St. Marys, Ontario, water & sewer rules are set by 2026 Fee By-law, Schedules H and I (Water Supply & Distribution; Wastewater) and 2 other bylaws, verified 2026-10-19. Water rate: $1.72/m3 (2026). Water fixed charge: $16.22/month. Sewer rate: $1.64/m3 (2026).

2026 Fee By-law, Schedules H and I (Water Supply & Distribution; Wastewater) adopted bylaw
billing basis metered Usage Charge [Water] equals Water Quantity Used in cubic meters
water rate $1.72/m3 (2026) Schedule "H" 2026, Tier 1 Water User, Usage Rate [per cubic meter]
water fixed charge $16.22/month Schedule "H" 2026, Tier 1 Water User, Base Rate [Monthly]
sewer rate $1.64/m3 (2026) Schedule "I" 2026, Tier 1 Wastewater User, Usage Rate [per cubic meter]
billing period monthly Monthly Water Charge
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2026 rates in Schedules H and I. Water, tier 1 (0-250 m3/month): $16.22/month base + $1.72/m3; tier 2: $62.43 + $1.57/m3; tier 3: $249.67 + $1.24/m3. Wastewater tier 1: $24.64/month base + $1.64/m3; tier 2 $82.07 + $1.64; tier 3 $287.30 + $1.64. Monthly billing basis.

Sewer Requirement By-law 78-2003 adopted bylaw
connection mandatory yes s. 4
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Requires sewer connections in St. Marys.

Water Supply, Wastewater and Storm Water Collection By-law 2014-46 adopted bylaw
connection mandatory yes s. 12.1
billing basis metered s. 1.1 (Usage Charge-Water); s. 4.1
water rate Tier 1: $1.38/m3; Tier 2: $1.25/m3; Tier 3: $1.00/m3 (2014) Schedule "A", s. 1.0 (Usage Charge-Water)
water fixed charge Tier 1: $26.00; Tier 2: $100.00; Tier 3: $400.00 Bi-Monthly (2014) Schedule "A", s. 1.0 (Base Rate Charge-Water)
sewer rate Tier 1: $1.15/m3; Tier 2: $1.00/m3; Tier 3: $0.70/m3 (2014); wastewater connection only: $60.00 Bi-monthly flat Schedule "A", s. 2.0 (Usage Charge-Wastewater); s. 6.0
billing period Bi-Monthly s. 4.4
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Regulates water supply, wastewater, and storm water collection services.

Machine-readable: water-sewer.json · Official website: http://townofstmarys.com/ · Last verified 2026-10-19 · Water & sewer across Ontario · Water & sewer in other municipalities