Agencies
Services
Water Quality
Bureau of Water (main page)
Information regarding drinking water, wastewater, storm water, groundwater, and more
Compliance & Enforcement
Information regarding drinking water, wastewater, & NPDES compliance, enforcement orders, and Compliance Commitment Agreements
Forms, Permits, and Fees
information regarding Bureau of Air, Water, and Land forms, permits, and fees and associated resources
Drinking Water
Information for public water users & private well users, drinking water operator certification, and more
Statutes & Regulations
Information regarding drinking water and wastewater permitting, statutes & regulations, and more
Watershed Management
General information, reports, and associated resources
Illinois Groundwater Protection Act
General information and associated reports
Right-to-Know
Regulations & laws, notifications, and more
Concentrated Animal Feeding Operations (CAFOs)
Section 319 projects, Livestock Facility Investigation Annual Reports, and more
Harmful Algal Blooms
Information regarding Algal Blooms (HABs), reporting HABs, monitoring HABs, and the statewide HAB program
Illinois Nutrient Loss Reduction Strategy
Information regarding state efforts to improve water quality at home and downstream by reducing nitrogen and phosphorus levels in our lakes, streams, and rivers
Lake Notes Fact Sheets
Fact sheets about aquatic exotics, determining your lake's watershed, Illinois lakeshore birds, shoreline stabilization, pressure treated wood, zebra mussels, waterborne pathogens, and more
Additional Resources