Altheimer WWTP - Secondary Treatment Plant in Rob Roy, Arkansas

Altheimer WWTP is a municipal wastewater treatment facility located in Rob Roy, Jefferson County, Arkansas, United States. The plant serves a small community of approximately 984 residents, providing essential sanitation services for the area. The facility operates at the secondary treatment level, which is the standard requirement under the US Clean Water Act for municipal plants of this scale. With a designed capacity of 567.81 thousand gallons per day and a current discharge volume of 53.00 thousand gallons per day, the plant has ample capacity to handle its service area's wastewater. The treated effluent is discharged into local receiving waters that ultimately drain into the Arkansas River and then the Mississippi River system. This discharge contributes to the overall water quality management in the Lower Mississippi River Basin, supporting downstream aquatic habitats and regional water resources.

The plant's discharge enters local streams that flow into the Arkansas River, a major tributary of the Mississippi River. The Arkansas River supports diverse aquatic life and is an important corridor for migratory fish species. The plant's secondary treatment helps reduce nutrient and organic loads, protecting downstream water quality in the Mississippi River Basin.