In the Town of Oakville, Ontario, water & sewer rules are set by Halton Region 2026 Water and Wastewater Rates and 1 other bylaw, verified 2026-10-28. Water rate: $3.3441/m3 (2026). Water fixed charge: $40.67/month. Billing period: every two months for residential; monthly for industrial, commercial and institutional.
Halton Region 2026 Water and Wastewater Rates
adopted bylaw
billing basis
metered
"consumption charge (based on your water usage)"
water rate
$3.3441/m3 (2026)
"Per cubic metre 3.3441"
water fixed charge
$40.67/month
"Fixed service charge 40.67 per month"
billing period
every two months for residential; monthly for industrial, commercial and institutional
"every two months for residential customers"
scout note
Halton Region supplies Oakville's water and wastewater (effective January 1, 2026): combined usage $3.3441 per m³ (water $1.5475 + wastewater $1.7966); fixed monthly charge $40.67 for a 20 mm or smaller meter ($18.92 water + $21.75 wastewater).
Halton Region Drinking Water System By-law 71-19
adopted bylaw
billing basis
metered
s. 39.11
scout note
Halton Region by-law (applies to Oakville, which the Region supplies): Respects supply of water, construction, maintenance, operation, improvement and extension of drinking water systems, water rates and charges, and backflow prevention in Halton Region.
rates page: Halton Region Water Bills, Rates and Fees
Halton Region bills Oakville residents (via Oakville Hydro), bi-monthly. 2026 rates effective Jan 1: residential 20 mm meter service charge $40.67/month (water $18.92 + wastewater $21.75); usage $3.3441/m3 (water $1.5475 + wastewater $1.7966).