Overview
East Helena WWTP serves approximately 2,047 residents in East Helena, Montana. The facility discharges treated wastewater into the local watershed, ultimately draining into the Missouri River basin.
East Helena WWTP is a municipal wastewater treatment facility located in East Helena, Montana, serving a population of about 2,047. The plant is situated in Lewis and Clark County and is part of the region's infrastructure for managing domestic wastewater. As a small-scale facility, East Helena WWTP operates under the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all point source discharges. The plant's capacity and discharge volume are managed to meet state and federal water quality standards. The treated effluent from East Helena WWTP is discharged into a local water body that flows into the Missouri River, a major tributary of the Mississippi River system. This watershed supports diverse aquatic life and is important for regional water resources. The plant's operations are designed to protect downstream water quality and ecological health.
Environmental context
The treated effluent from East Helena WWTP enters a local stream that flows into the Missouri River, which eventually joins the Mississippi River and drains into the Gulf of Mexico. This watershed supports a variety of fish species and provides habitat for migratory birds. Maintaining water quality in this basin is critical for both ecological integrity and downstream human uses.
Frequently asked questions
East Helena WWTP is located on East Main Street in East Helena, Lewis and Clark County, Montana, United States.
The plant serves approximately 2,047 residents in the East Helena area.
The plant discharges treated effluent into a local water body that flows into the Missouri River, part of the Mississippi River basin.
As a U.S. facility, East Helena WWTP operates under the Clean Water Act and must comply with National Pollutant Discharge Elimination System (NPDES) permit requirements set by the state of Montana.
Small municipal plants in the U.S. typically employ primary and secondary treatment processes, such as activated sludge or lagoon systems, to meet NPDES permit limits for BOD, TSS, and other pollutants.
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