2025: flat water rates up 3%; billed March and August; interest 1.25%/month. Superseded by 26-06.
Water & sewer — Mattawa, Ontario
What are the water and sewer rules and rates?
Mattawa, Ontario has no water & sewer bylaw on record as of 2026-10-19. 2025: flat water rates up 3%; billed March and August; interest 1.25%/month. Superseded by 26-06.
No adopted bylaw has been confirmed — the documents below are unconfirmed leads or supporting material (checked 2026-10-19).