Ringstead WWTP - Secondary Treatment Plant in Ringsted, Iowa

Ringstead WWTP is a municipal wastewater treatment facility located in Ringsted, Emmet County, Iowa. The plant serves a small community of 481 residents, providing secondary treatment to remove organic matter and suspended solids from domestic wastewater. The plant has a designed capacity of 302.83 cubic meters per day and currently treats an average daily flow of 189.27 cubic meters. As a secondary treatment facility, it meets the standard requirements under the U.S. Clean Water Act for municipal wastewater treatment, which mandates secondary treatment for all publicly owned treatment works. The treated effluent is discharged into local surface waters that drain into the Iowa River watershed, ultimately reaching the Mississippi River. The plant plays a key role in protecting downstream water quality and aquatic habitats in the region.

The plant discharges into local streams that are part of the Iowa River basin, which flows into the Mississippi River. This watershed supports diverse aquatic life and provides habitat for fish and macroinvertebrates. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, protecting downstream water quality in the Mississippi River system.