TMDLs

• Upcoming public meetings and hearings
• High Priority TMDLs - Atrazine and Simazine Impairment
• What is a TMDL
• The TMDL Process
• 303d List
• Impaired and TMDL Water Maps (zoom in to see water codes)
  • Statewide
  • Chicago Area
• TMDL NPDES Wasteload Allocations (9/19/2019)
• Updated TMDL Status - Segments and Impairments
• TMDL Reports
• Implementation Projects in TMDL Watersheds
• TMDL Aerial Assessments
• TMDL Brochure
• Interactive Map (*The RMMS site is optimized for Chrome. Some features may not work in other browsers.)  
• Long-Term Vision for Assessment, Restoration, and Protection under the Clean Water Act Section 303(d) Program (The Vision)
• Contact Us
  
  

Links to More Information

• US EPA TMDL Program
• Illinois Watershed Clearinghouse
• Illinois Water Resources
• Illinois Council on Best Management Practices
• Procurement Opportunities
• Illinois 305(b) Water Quality Report/Map
• Guidance for Submittal of Surface Water Data