Natimek Lagoon Aerated Wastewater Treatment Plant, Cross Lake, Manitoba

Natimek Lagoon Aerated is a wastewater treatment plant located in Cross Lake (ᐱᒥᒋᑲᒫᐠ), a community in the northern region of Manitoba, Canada. The plant serves a population of approximately 2,452 residents and has a designed capacity of 1.00 million liters per day, reflecting its role as a small-scale municipal facility in a remote area. As an aerated lagoon system, the plant provides secondary-level treatment, which is typical for small communities in Canada where land is available and energy costs are manageable. The facility operates under provincial regulations administered by Manitoba's Department of Environment and Climate Change, which sets effluent quality standards for wastewater discharges in the province. The plant discharges treated effluent into the local watershed, which ultimately drains into the Nelson River system and then into Hudson Bay. This remote location means the plant plays a critical role in protecting downstream aquatic ecosystems, including fish habitats and water quality in the broader Hudson Bay drainage basin.

The plant's treated effluent enters the local drainage network that flows into the Nelson River, one of Canada's major river systems, which empties into Hudson Bay. The surrounding watershed supports diverse aquatic life, including fish species such as walleye and northern pike, and is an important area for migratory birds. Protecting water quality in this remote region is essential for maintaining the ecological health of the boreal forest and subarctic ecosystems.