Requires backflow-prevention devices in industrial/commercial/institutional/multi-residential buildings, annual testing, 5-year cross-connection surveys and non-potable line labelling to protect the municipal water supply.
Water & sewer — Waterloo, Ontario
What are the water and sewer rules and rates?
In the City of Waterloo, Ontario, water & sewer rules are set by Backflow Prevention Bylaw No. 2018-026 and 3 other bylaws, verified 2026-10-18. Water rate: $2.48/m3 (2025), $2.69/m3 (2026). Water fixed charge: Residential single home 15 mm: $3.80/month (2025), $4.01/month (2026). Sewer rate: Wastewater: $2.93/m3 (2025), $3.11/m3 (2026).
Water and sanitary rate per m3 and stormwater tiers in Schedule A. 2025: water $2.48, sanitary $2.93 per m3; 2026 values truncated in PDF text (see rates page). Residential stormwater monthly 2026: $13.68 small, $20.49 medium, $27.98 large.
| billing basis | metered | You pay for water by the cubic metre. |
| water rate | $2.48/m3 (2025), $2.69/m3 (2026) | Water | $2.48 | $2.69 |
| water fixed charge | Residential single home 15 mm: $3.80/month (2025), $4.01/month (2026) | Residential single home | 15 mm | $3.80 | $4.01 |
| sewer rate | Wastewater: $2.93/m3 (2025), $3.11/m3 (2026) | Wastewater | $2.93 | $3.11 |
scout note
rates page: 2026: water $2.69/m3 (2025 $2.48); wastewater $3.11/m3 (2025 $2.93), billed 1:1 with metered water; non-potable bulk $3.09/m3. Monthly stormwater fee by property size also listed. Billed per cubic metre, no fixed charge stated.
Governs water service connections, meter installation/access, shut-off for non-payment, prohibits wasting water, sets emergency-shortage restrictions and penalties for meter tampering/unauthorized hydrant use.