Overview
Rock Valley WWTP serves approximately 2,540 residents in Rock Valley, Iowa. The plant discharges treated wastewater into local waterways under the US Clean Water Act framework.
Rock Valley WWTP is a municipal wastewater treatment facility located in Rock Valley, Iowa, serving a population of about 2,540. The plant is situated in Sioux County and operates as part of the city's infrastructure to manage domestic wastewater from the community. Under the US Clean Water Act, plants of this scale are typically required to meet secondary treatment standards through the National Pollutant Discharge Elimination System (NPDES) permit program. The Iowa Department of Natural Resources oversees permitting and compliance for wastewater facilities in the state, ensuring that discharges meet water quality standards for the receiving water body. The treated effluent from Rock Valley WWTP is discharged into local streams that are part of the Missouri River watershed. The Missouri River eventually flows into the Mississippi River, which drains into the Gulf of Mexico. The plant plays a role in protecting downstream water quality and aquatic habitats in this major river system.
Environmental context
The plant discharges into local tributaries of the Missouri River basin, which flows into the Mississippi River and ultimately the Gulf of Mexico. The watershed supports diverse aquatic life and is important for regional agriculture and recreation. Protecting water quality in this system helps maintain ecological balance and downstream uses.
Frequently asked questions
Rock Valley WWTP is located on Kiwana's Trail in Rock Valley, Sioux County, Iowa, United States.
The plant serves approximately 2,540 residents in the city of Rock Valley and surrounding areas.
The treated effluent is discharged into local streams that are part of the Missouri River watershed, which flows into the Mississippi River and eventually the Gulf of Mexico.
As a US facility, Rock Valley WWTP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Iowa Department of Natural Resources.
Plants of this size typically employ secondary treatment processes such as activated sludge or lagoon systems to meet EPA standards for biological oxygen demand and total suspended solids.
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