FAIRFIELD WWTP - Jefferson County, Iowa Wastewater Treatment Plant

FAIRFIELD WWTP is a municipal wastewater treatment facility located in Jefferson County, Iowa, United States. Serving a population of around 9,768, the plant is part of the region's essential water infrastructure, managing domestic wastewater from the Fairfield area. As a US facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Iowa Department of Natural Resources. For a community of this size, secondary treatment is the standard requirement, ensuring that effluent meets federal water quality standards before discharge. The plant's treated effluent flows into local streams and rivers that are part of the Mississippi River watershed. This drainage basin supports diverse aquatic life and provides water for communities downstream. Proper treatment at FAIRFIELD WWTP helps protect water quality in the region's surface waters.

The plant discharges into tributaries of the Mississippi River, which ultimately drains into the Gulf of Mexico. The watershed supports a variety of fish and wildlife species, and maintaining water quality is critical for recreational uses and ecosystem health. The Mississippi River basin is a major migratory corridor for birds and sustains important aquatic habitats.