Hillsboro WWTP - Advanced Wastewater Treatment in Fountain County, Indiana

Hillsboro WWTP is a municipal wastewater treatment plant located in Fountain County, Indiana, United States. The facility serves a small population of 551 residents, reflecting its role in a rural or small-town community. The plant is situated at 2036 West Main Street, within the state's interior region. The plant employs advanced treatment processes, which go beyond secondary treatment to remove additional pollutants such as nutrients or pathogens. With a designed capacity of 170.34 units and a discharge volume matching that figure, the facility operates at full capacity. As a US plant, it is subject to the Clean Water Act and likely operates under an NPDES permit issued by the Indiana Department of Environmental Management, which sets effluent limits to protect water quality. The treated effluent is discharged into a local receiving water body, which ultimately drains into the Wabash River basin, a major tributary of the Ohio River. This watershed supports diverse aquatic life and provides water resources for communities downstream. The advanced treatment level helps minimize environmental impact on the receiving waters.

The plant discharges into a local waterway within the Wabash River basin, which flows into the Ohio River and eventually the Mississippi River. This watershed supports diverse aquatic habitats and is important for regional biodiversity. The advanced treatment helps protect downstream water quality, particularly in a region where agriculture and rural runoff can affect nutrient levels.