Overview
HYANNIS WWTP serves 301 people in Hyannis, Nebraska, providing secondary treatment. The plant discharges 121.13 million gallons per year into the local watershed.
HYANNIS WWTP is a municipal wastewater treatment facility located in Hyannis, Nebraska, serving a small population of 301 residents. The plant is situated in Grant County, part of the rural Sandhills region of the state. The plant provides secondary treatment, which is the standard biological treatment process required by the U.S. Clean Water Act for municipal wastewater. It has a designed capacity of 121.13 million gallons per year, with a discharge volume matching that figure, indicating full utilization. As a small facility, it operates under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Nebraska Department of Environment and Energy. The treated effluent is discharged into a local water body, ultimately draining into the Niobrara River basin and then the Missouri River system. The surrounding Sandhills ecosystem is ecologically sensitive, with groundwater-fed streams and wetlands that support diverse aquatic life and migratory birds. Proper wastewater treatment is critical to protect these fragile habitats.
Environmental context
The plant discharges into a local watercourse that flows into the Niobrara River, a tributary of the Missouri River, which eventually reaches the Mississippi River and the Gulf of Mexico. The Sandhills region features shallow groundwater and numerous small streams that are highly sensitive to nutrient pollution. Effective secondary treatment helps prevent eutrophication and protects downstream aquatic ecosystems.
Frequently asked questions
HYANNIS WWTP is located in Hyannis, Grant County, Nebraska, United States, near the intersection of NE 2 and NE 61.
HYANNIS WWTP serves a population of 301 residents in the Hyannis area.
The plant discharges treated effluent into a local water body that drains into the Niobrara River basin, part of the Missouri River watershed.
As a U.S. facility, HYANNIS WWTP operates under the Clean Water Act, with an NPDES permit issued by the Nebraska Department of Environment and Energy.
Small municipal plants in Nebraska typically provide secondary treatment, which includes biological processes to reduce organic matter and suspended solids, meeting state and federal standards.
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