Overview
Gretna Lagoon is a secondary treatment plant serving 140 people in Pembina County, North Dakota, Canada. It discharges 63.00 cubic meters of treated wastewater, operating under Canadian provincial regulations.
Gretna Lagoon is a wastewater treatment facility located in Pembina County, North Dakota, Canada, serving a small population of 140 residents. The plant is situated in a rural agricultural area near the Canada-US border, reflecting the dispersed settlement pattern of the region. The plant provides secondary treatment, which is the standard level required for small communities under Canadian wastewater regulations. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. Canadian plants of this scale are often regulated by provincial authorities under the Canada Water Act and provincial environmental protection acts. The treated effluent from Gretna Lagoon likely discharges into a local watercourse that drains into the Red River Basin, ultimately reaching Lake Winnipeg. The region's flat topography and cold winters influence treatment lagoon performance. Protecting downstream water quality is important for the Red River ecosystem, which supports diverse aquatic life and is a key water source for communities in Manitoba.
Environmental context
The plant's discharge likely enters a tributary of the Red River, which flows north into Lake Winnipeg. The Red River Basin is a large, flat watershed that experiences seasonal flooding and nutrient loading. Downstream, Lake Winnipeg is ecologically sensitive due to algal blooms from agricultural runoff. The plant's secondary treatment helps reduce organic pollutants, but nutrient removal may be limited, contributing to regional water quality concerns.
Frequently asked questions
Gretna Lagoon is located at 14357 109th Street Northeast, Pembina County, North Dakota, Canada, near the US border.
The plant serves approximately 140 residents in the rural community of Gretna and surrounding areas.
The plant discharges treated effluent into a local watercourse that drains into the Red River Basin, ultimately reaching Lake Winnipeg.
Gretna Lagoon provides secondary treatment, which is the standard required for small Canadian communities under provincial regulations.
The plant operates under the Canada Water Act and provincial environmental protection acts, which set effluent standards for small systems. Secondary treatment is typical for plants serving under 500 people.