Overview
HILLS WWTP is a secondary treatment plant serving Hills, Iowa, with a capacity of 605.66 m³/day and a discharge volume of 378.54 m³/day.
HILLS WWTP is a municipal wastewater treatment facility located in Hills, Johnson County, Iowa, United States. The plant serves a population of 679 residents and operates with a designed capacity of 605.66 m³/day, discharging an average of 378.54 m³/day of treated effluent. As a secondary treatment plant, HILLS WWTP meets the standard requirements under the U.S. Clean Water Act, which mandates secondary treatment for municipal facilities of this scale. The plant is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Iowa Department of Natural Resources, ensuring compliance with effluent limits. The treated wastewater is discharged into a local water body that ultimately drains into the Mississippi River Basin. The plant plays a key role in protecting downstream water quality in the Iowa River watershed, which supports diverse aquatic life and recreational uses.
Environmental context
HILLS WWTP discharges into a tributary of the Iowa River, which flows southeast to join the Mississippi River. The Iowa River watershed supports a variety of fish and wildlife, including species that rely on clean water for spawning and migration. The plant's secondary treatment helps reduce nutrient and organic loads, mitigating potential impacts on downstream ecosystems.
Frequently asked questions
HILLS WWTP is located on South 3rd Street in Hills, Johnson County, Iowa, United States.
HILLS WWTP serves a population of 679 residents in the Hills area.
The plant discharges treated effluent into a local water body that is part of the Iowa River watershed, which ultimately flows into the Mississippi River.
HILLS WWTP operates under the U.S. Clean Water Act and is regulated through an NPDES permit issued by the Iowa Department of Natural Resources, which sets effluent limits for secondary treatment.
For small communities in the U.S., secondary treatment is standard under the Clean Water Act, providing biological treatment to reduce organic matter and suspended solids.
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