Henderson Lagoon North Wastewater Treatment Plant, Sardis, Tennessee

Henderson Lagoon North is a wastewater treatment plant located in Sardis, Henderson County, Tennessee, United States. The facility serves a population of approximately 6,331 residents and has a designed capacity of 1.00 million gallons per day, indicating it is a small-scale municipal treatment system. As a US-based plant, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Tennessee Department of Environment and Conservation. For small communities like Sardis, lagoon-based treatment systems are common, providing secondary treatment through natural biological processes. The plant discharges treated wastewater into local waterways within the Tennessee River basin, which ultimately drains into the Mississippi River and the Gulf of Mexico. The facility plays a role in protecting downstream water quality in this ecologically significant watershed.

The plant discharges into the Tennessee River basin, which flows into the Mississippi River and then the Gulf of Mexico. This watershed supports diverse aquatic life and is an important migratory corridor for fish and birds. The facility's treatment helps reduce nutrient and pathogen loads to downstream ecosystems.