Dakota City Wastewater Treatment Plant (WWTP) - Secondary Treatment Facility in Iowa

The Dakota City Wastewater Treatment Plant (WWTP) serves the community of Dakota City, Iowa, located in Humboldt County. This facility provides secondary treatment for a population of approximately 911 residents, operating as a key component of the city's municipal wastewater infrastructure. As a secondary treatment plant, Dakota City WWTP meets the standard requirements under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater to reduce organic pollutants and suspended solids. The plant's designed capacity is 1,135.62 volume units, with an average discharge volume of 605.67 volume units, indicating operational capacity below its design limit. The treated effluent from the plant is discharged into the local watershed, which ultimately drains into the Des Moines River basin. This river system supports diverse aquatic life and provides water resources for downstream communities. The plant's operations contribute to protecting water quality in the region's surface waters.

The Dakota City WWTP discharges into the local watershed, which flows into the Des Moines River, a major tributary of the Mississippi River. The Des Moines River basin supports diverse aquatic ecosystems and provides drinking water for downstream communities. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting the river's ecological health and recreational uses.