Arcadia WWTP - Wastewater Treatment in Arcadia, Wisconsin

Arcadia WWTP is a municipal wastewater treatment facility located in Arcadia, Trempealeau County, Wisconsin. The plant serves a population of about 4,883, placing it in the small-to-medium agglomeration category for US wastewater infrastructure. As a US facility, Arcadia WWTP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting. For plants of this scale, secondary treatment is typically required, with additional nutrient removal standards applicable in sensitive watersheds like the Mississippi River basin. The plant's treated effluent ultimately drains into the Mississippi River via local tributaries. The Mississippi River is a major ecological corridor supporting diverse aquatic life and migratory birds. Downstream, the river flows into the Gulf of Mexico, where nutrient loading contributes to seasonal hypoxic zones, making nutrient management a regional priority.

Arcadia WWTP discharges into the Trempealeau River watershed, a tributary of the Mississippi River. The Mississippi River basin is ecologically significant, supporting diverse fish species, mussels, and waterfowl. Downstream, the river flows into the Gulf of Mexico, where excess nutrients from the basin contribute to seasonal hypoxia. The plant's location in an agricultural region underscores the importance of managing nutrient loads to protect downstream water quality.