Siksika Townsite Lagoon Wastewater Treatment Plant, Wheatland County, Alberta

Siksika Townsite Lagoon is a wastewater treatment facility located in Wheatland County, Alberta, Canada. It serves a small community of 1,281 people, operating as a secondary treatment plant under the regulatory framework of Alberta Environment and Parks. The plant provides secondary treatment, which is appropriate for its population size. In Canada, wastewater treatment for small communities is typically regulated under provincial guidelines, with Alberta requiring effluent quality standards that protect receiving waters. The plant's discharge volume is 918.00 cubic meters per year. The treated effluent is released into the local watershed, which ultimately drains into the South Saskatchewan River basin. This river system supports diverse aquatic life and is an important water source for downstream communities and agriculture in the prairie region.

The plant discharges into the South Saskatchewan River basin, which flows through southern Alberta and Saskatchewan before joining the Saskatchewan River system and eventually reaching Hudson Bay. The watershed supports a variety of fish species, including walleye and northern pike, and provides irrigation water for extensive agricultural lands. The plant's secondary treatment helps reduce nutrient loading and protect downstream water quality.