Illinois EPA
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Illinois EPA has been the state agency with the primary responsibility for carrying out state and federal environmental laws and regulations to protect and provide healthy air, land and water for the citizens of the state through a system of permits, inspections and compliance and enforcement, as well as having responsibility for regulating public water supplies and wastewater treatment and sewage systems.
05/28/2026
🛢️ Lake in the Hills area residents! Safely dispose of your HHW next weekend at Marlowe Middle School, 8 AM to 3 PM. Collections are open to all Illinois residents. Pre-registration is required.
Check accepted items & register here 👉 https://bit.ly/HHWCollections
05/27/2026
Public comments play an important role in Agency decision-making.
When a public comment period is open, individuals and stakeholders can share concerns, observations, and local perspectives that help inform Illinois EPA decisions.
Learn how to make an effective comment and common mistakes to avoid when submitting a public comment.
Learn more about the public comment process: https://epa.illinois.gov/topics/community-relations/public-notices/public-comment.html
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Telephone
Website
Address
2520 W Iles Avenue
Springfield, IL
62794
Opening Hours
| Monday | 8:30am - 5pm |
| Tuesday | 8:30am - 5pm |
| Wednesday | 8:30am - 5pm |
| Thursday | 8:30am - 5pm |
| Friday | 8:30am - 5pm |
