Station d epuration des eaux usees - Girardville, Quebec Wastewater Treatment Plant

Station d epuration des eaux usees is a municipal wastewater treatment plant located in Girardville, within the Maria-Chapdelaine region of Saguenay-Lac-Saint-Jean, Quebec, Canada. The plant serves a small community of 941 residents, providing essential sanitation services for this rural area. The plant operates at the secondary treatment level, which is appropriate for its scale and is consistent with Canadian federal and provincial wastewater regulations. Under the Wastewater Systems Effluent Regulations (WSER) administered by Environment and Climate Change Canada, secondary treatment is the standard requirement for municipal systems to reduce organic matter and suspended solids. The treated effluent is discharged into local waterways that ultimately drain into the Saguenay River and then into the St. Lawrence Estuary. This region is ecologically significant, supporting diverse aquatic life and serving as a migratory corridor for fish species. The plant's operation helps protect downstream water quality in this sensitive watershed.

The plant discharges into the Saguenay River watershed, which flows into the St. Lawrence Estuary, a major ecological zone supporting diverse marine life, including beluga whales and fish populations. The region's cold climate and seasonal variations influence treatment processes and effluent quality. Protecting this downstream environment is critical for maintaining biodiversity and water quality in the estuary.