Hanna Lagoon Wastewater Treatment Plant, Carbon County, Wyoming

Hanna Lagoon is a municipal wastewater treatment facility located in Carbon County, Wyoming, United States. The plant serves a small population of 841 residents, providing secondary treatment to meet state and federal standards for wastewater discharge. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater. With a designed capacity of 378.54 megaliters and an annual discharge volume of 317.98 megaliters, the facility operates at approximately 84% capacity, indicating consistent demand from the local community. The treated effluent is discharged into local waterways that drain into the North Platte River basin. This river system supports diverse aquatic life and provides water for agriculture and recreation in the region. Proper treatment helps protect downstream water quality and ecosystem health.

The plant discharges into the North Platte River basin, which flows through Wyoming and Nebraska before joining the Platte River and eventually the Missouri River. The watershed supports a variety of fish species and migratory birds, making effective wastewater treatment essential for maintaining water quality and ecological balance in this semi-arid region.