Overview
High Ridge WWTP is a secondary treatment plant serving 80 people in Dillsboro Station, Indiana. It discharges treated wastewater into the local watershed within the Ohio River basin.
High Ridge WWTP is a municipal wastewater treatment facility located near Dillsboro Station in Dearborn County, Indiana. The plant serves a small population of 80 residents, reflecting its role in a rural community. As a secondary treatment plant, it provides biological treatment to reduce organic matter and suspended solids before discharge. The plant operates under the regulatory framework of the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all wastewater discharges. For small facilities like High Ridge WWTP, secondary treatment is the standard requirement to protect water quality. The plant has a designed capacity of 75.71 volume units, matching its current discharge volume. The treated effluent from High Ridge WWTP ultimately drains into the Ohio River watershed, which flows into the Mississippi River and then to the Gulf of Mexico. The local streams and rivers in this region support diverse aquatic life and are important for recreational and ecological purposes. The plant's discharge contributes to the overall water quality management in the Ohio River basin.
Environmental context
The plant discharges into local waterways that are part of the Ohio River basin, a major tributary of the Mississippi River. The Ohio River supports diverse fish populations and provides drinking water for millions. Downstream, the Mississippi River delivers nutrients and sediments to the Gulf of Mexico, where seasonal hypoxia zones can occur. The plant's secondary treatment helps reduce nutrient loading to these sensitive waters.
Frequently asked questions
High Ridge WWTP is located near Dillsboro Station in Dearborn County, Indiana, United States. The facility is situated in a rural area along Transier Cemetery and Longbranch Road.
High Ridge WWTP serves a small population of 80 people, reflecting its role as a community wastewater treatment facility for a rural area in southeastern Indiana.
The plant discharges treated effluent into local waterways that are part of the Ohio River basin. The drainage ultimately reaches the Ohio River and then the Mississippi River.
High Ridge WWTP operates under the U.S. Clean Water Act, which requires NPDES permits for wastewater discharges. For small secondary treatment plants like this, permits set limits on pollutants such as BOD and TSS to protect water quality.
For very small populations in the U.S., secondary treatment is the standard requirement under the Clean Water Act. This typically involves biological processes like activated sludge or trickling filters to reduce organic matter and suspended solids before discharge.
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