Bullitt County Sanitation District Hillview 1 Wastewater Treatment Plant, Kentucky

Bullitt County Sanitation District Hillview 1 is a municipal wastewater treatment facility located in Hillview, Kentucky, within the Salt River watershed. The plant serves a small community of 1,634 residents, providing essential sanitation services for the area. The plant operates with secondary treatment, which is the standard level required under the U.S. Clean Water Act for municipal facilities of this scale. It has a designed capacity of 874.43 thousand gallons per day and currently processes an average daily flow of 598.10 thousand gallons per day, indicating operational headroom. Treated effluent from the plant discharges into local streams that flow into the Salt River, a tributary of the Ohio River. The Ohio River ultimately drains into the Mississippi River, making this plant part of a vast inland drainage network that supports diverse aquatic ecosystems and regional water quality.

The plant discharges into tributaries of the Salt River, which flows into the Ohio River and then the Mississippi River before reaching the Gulf of Mexico. This watershed supports diverse aquatic life, including fish and macroinvertebrates, and provides habitat for migratory birds. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, protecting downstream water quality in this ecologically important river system.