Overview
MARION WWTP serves approximately 31,590 residents in Marion, Indiana. The plant operates under the US Clean Water Act's NPDES permit program for municipal wastewater treatment.
MARION WWTP is a municipal wastewater treatment facility located at 1500 North Washington Street in Marion, Indiana, serving a population of around 31,590. The plant is situated in Grant County and is part of the city's essential water infrastructure. The plant operates under the US Clean Water Act, which requires secondary treatment for municipal wastewater. Facilities of this scale typically employ activated sludge or similar biological treatment processes to meet effluent standards. The plant discharges treated wastewater into a local water body that ultimately drains into the Mississippi River Basin. Its operations help protect downstream aquatic ecosystems and maintain water quality in the region's rivers and streams.
Environmental context
The plant's treated effluent flows into local waterways that are part of the Wabash River watershed, which drains into the Ohio River and eventually the Mississippi River. This region supports diverse aquatic life and is important for recreational fishing and wildlife habitat. Proper treatment helps prevent nutrient pollution and protects downstream water quality.
Frequently asked questions
MARION WWTP is located at 1500 North Washington Street in Marion, Grant County, Indiana, United States.
MARION WWTP serves approximately 31,590 residents in the city of Marion and surrounding areas.
The plant discharges treated effluent into local waterways that are part of the Wabash River watershed, which flows into the Ohio River and ultimately the Mississippi River.
MARION WWTP operates under the US Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for municipal wastewater discharges. These permits set effluent limits to protect water quality.
Plants of this scale in the US typically use secondary treatment processes such as activated sludge or trickling filters, followed by disinfection. They must comply with EPA secondary treatment standards and state-specific nutrient limits.
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