Lewisburg WWTP and Sewer System - Advanced Wastewater Treatment in Ohio

The Lewisburg WWTP and Sewer System is a municipal wastewater treatment facility located in Lewisburg, Ohio, within Preble County. Serving a population of approximately 1,798, this plant is a small-scale facility that provides essential wastewater services to the local community. The plant's advanced treatment level ensures high-quality effluent before discharge. With a designed capacity of 987.99 thousand cubic meters and an annual discharge volume of 757.08 thousand cubic meters, the plant operates under the regulatory framework of the US Clean Water Act. Facilities of this scale in the United States are typically permitted through the National Pollutant Discharge Elimination System (NPDES), which sets effluent limits to protect water quality. The advanced treatment process likely includes nutrient removal or other tertiary steps to meet permit requirements. The plant discharges into local waterways that ultimately drain into the Great Miami River watershed, part of the Ohio River basin. This region supports diverse aquatic life and provides drinking water for downstream communities. The advanced treatment helps minimize nutrient loading and protects the ecological health of the receiving waters.

The plant's discharge enters the local tributary system within the Great Miami River watershed, which flows into the Ohio River and eventually the Mississippi River. This inland basin supports a variety of fish species and is used for recreation and water supply. The advanced treatment reduces the risk of eutrophication and maintains water quality in this agriculturally influenced region.