Hanover Park WRP - Wastewater Treatment Plant in Hanover Park, Illinois

Hanover Park WRP is a municipal wastewater treatment plant located at 1200 Sycamore Avenue in Hanover Park, Illinois, serving a population of 95,424. The plant is part of the wastewater infrastructure for the Chicago metropolitan area, discharging treated effluent into the local watershed. As a US facility, Hanover Park WRP operates under the National Pollutant Discharge Elimination System (NPDES) permit program established by the Clean Water Act. For a plant serving nearly 100,000 people, secondary treatment is the minimum standard, with additional nutrient removal likely required to protect downstream water quality. The plant's designed capacity is 1.00 million gallons per day. The treated wastewater from Hanover Park WRP ultimately drains into the Mississippi River basin via the Fox River and Illinois River systems. This watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's discharge must meet strict limits to prevent eutrophication and protect recreational uses.

The plant discharges into the Fox River watershed, which flows into the Illinois River and then the Mississippi River. This river system supports a variety of fish species and is an important migratory corridor for waterfowl. Nutrient loading from wastewater can contribute to algal blooms in the Gulf of Mexico hypoxic zone, making advanced treatment important for this inland facility.