Milton Wastewater Treatment Plant - Serving Milton, Ontario, Canada

The Milton Wastewater Treatment Plant is a municipal facility located at 245 Commercial Street in Milton, Ontario, within the Halton Region. Serving a population of about 24,119, the plant is part of the region's wastewater infrastructure supporting the growing community in the Golden Horseshoe area. The plant operates under Ontario's regulatory framework, which aligns with the Canada-wide standards for wastewater effluent quality. Facilities of this scale typically employ secondary treatment to meet provincial discharge requirements. The plant's treated effluent is discharged into the local watershed, which ultimately drains into Lake Ontario via Sixteen Mile Creek. Lake Ontario is a vital freshwater resource and part of the Great Lakes system, supporting diverse aquatic life and providing drinking water for millions.

The plant discharges into Sixteen Mile Creek, a tributary of Lake Ontario. Lake Ontario is the easternmost Great Lake and a critical freshwater ecosystem supporting fish species such as lake trout and salmon. The watershed is ecologically sensitive, with efforts to reduce nutrient loading and protect water quality for downstream communities and wildlife.