Hattiesburg North Lagoon Wastewater Treatment Plant, Hattiesburg, Mississippi

Hattiesburg North Lagoon is a municipal wastewater treatment facility located on Lakeview Road in Hattiesburg, Forrest County, Mississippi. The plant serves a population of about 5,659 people, placing it in the small-to-medium agglomeration category for US wastewater infrastructure. As a US-based plant, Hattiesburg North Lagoon operates under the Clean Water Act, administered by the Environmental Protection Agency (EPA) and likely permitted through the Mississippi Department of Environmental Quality. Facilities of this scale typically employ lagoon or pond systems for treatment, which are common in the region due to available land area and lower operational costs. The plant's treated effluent discharges into local waterways that ultimately flow into the Pascagoula River basin, which drains to the Gulf of Mexico. This watershed supports diverse aquatic life and is an important ecological corridor in southern Mississippi.

The plant discharges into tributaries of the Pascagoula River system, which flows into the Mississippi Sound and the Gulf of Mexico. This coastal watershed supports diverse estuarine habitats, including marshes and seagrass beds that are critical for fish and shellfish. The region's warm, humid climate and flat terrain influence treatment lagoon performance and seasonal nutrient dynamics.