Overview
Lethbridge WWTP is an operational municipal wastewater treatment plant in Lethbridge, Alberta, Canada, serving approximately 78,000 people. It discharges into the Oldman River, part of the South Saskatchewan River Basin.
Lethbridge WWTP is an operational municipal wastewater treatment plant located in Lethbridge, Alberta, Canada. The facility serves a population of approximately 78,000, making it a medium-to-large agglomeration under Canadian wastewater management standards. The plant is situated in the River Valley - North area of Lethbridge, near the Oldman River. As a Canadian wastewater treatment facility, Lethbridge WWTP operates under the federal Wastewater Systems Effluent Regulations (WSER) and provincial Alberta Environmental Protection and Enhancement Act. These regulations require secondary treatment or equivalent for plants of this scale to protect receiving waters. The plant's treatment processes are designed to meet effluent quality standards for the protection of aquatic life and human health. The treated effluent from Lethbridge WWTP is discharged into the Oldman River, which flows into the South Saskatchewan River, ultimately reaching Hudson Bay via the Saskatchewan River system. The Oldman River supports diverse aquatic life, including several fish species, and is an important water source for irrigation and recreation in southern Alberta. The plant's operations are critical to maintaining water quality in this semi-arid region.
Environmental context
Lethbridge WWTP discharges into the Oldman River, a major tributary of the South Saskatchewan River. The river flows through a semi-arid region and supports diverse aquatic life, including rainbow trout and walleye. Downstream, the South Saskatchewan River joins the Saskatchewan River system, which drains into Hudson Bay. The plant's effluent quality is crucial for protecting downstream ecosystems and water uses such as irrigation and recreation.
Frequently asked questions
Lethbridge WWTP is located in the River Valley - North area of Lethbridge, Alberta, Canada, near the Oldman River.
Lethbridge WWTP serves approximately 78,000 people, classifying it as a medium-to-large municipal wastewater treatment facility.
Lethbridge WWTP discharges treated effluent into the Oldman River, which flows into the South Saskatchewan River and eventually into Hudson Bay. The plant helps protect these water bodies from pollution.
Lethbridge WWTP operates under Canada's Wastewater Systems Effluent Regulations (WSER) and Alberta's Environmental Protection and Enhancement Act, which mandate secondary treatment or equivalent to protect receiving waters.
For plants of this scale in Canada, secondary treatment is typically required under federal regulations, often including biological processes to remove organic matter and solids before discharge.
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