What are the water and sewer rules and rates?
In the City of St. Thomas, Ontario, water & sewer rules are set by By-Law 44-2000 - Regulation of Water Supply (Office Consolidation) and 4 other bylaws, verified 2026-10-19. Water rate: $2.2168/m3 (2025). Water fixed charge: $17.75/month (5/8" meter, 2025). Sewer rate: $2.84/m3 (2025) sanitary; $13.03/month storm.
| billing basis | metered | s. 3.2 |
| water rate | $2.2168/m3 (2025) | Schedule "A" |
| water fixed charge | $17.75/month (5/8" meter, 2025) | Schedule "A" |
| billing period | monthly, bi-monthly or any other basis at the discretion of the City | s. 3.3 |
City of St. Thomas By-law 44-2000, a by-law to provide for the regulation of water supply, office consolidation (as amended through 129-2024). No exact original passing date stated in the consolidation, so adopted_date is null.
| billing basis | metered (sanitary, based on water supplied) plus flat storm charge | s. 5(1)(a)(i); Table 1, Line 2 |
| sewer rate | $2.84/m3 (2025) sanitary; $13.03/month storm | Table 1, Line 1; Table 1, Line 2 |
| billing period | monthly, or same interval as water rates if not monthly | s. 6(1); s. 6(4) |
Imposes the annual sewage service rate charged to St. Thomas properties for use of the municipal sanitary sewer system; office consolidation incorporating amendments through By-law 94-2025.
| billing basis | metered | s. 3.2 |
| water rate | $2.2168/m3 (2025) | Schedule "A" |
| billing period | monthly, bi-monthly or on any other basis at the discretion of the City | s. 3.3 |
Regulates the City's municipal water supply system: service connections, use restrictions, cross-connection control and related charges. Office consolidation current to September 2025.
Regulates use of the City's sanitary and storm sewer system: prohibited/controlled discharges, industrial and commercial wastewater standards, and sewer connection permits.
| billing basis | metered | calculated by multiplying your metered usage |
| water rate | $2.2776/m³ (2026) | increase to $2.2776/m . 3 |
| water fixed charge | $17.75/month (5/8" meter, 2026) | 5/8" $17.75 |
| sewer rate | $2.99/m³ (2026) | Sanitary Sewer Rate ($/m³) $2.99 |
rates page: 2026 effective Jan 1: water consumption $2.2776/m3 plus monthly base by meter ($17.75 for 5/8 in); residential sanitary sewer $2.99/m3, storm sewer $13.42/month, special sewer $39.93/month (unconnected). Billed on Entegrus utility bill.