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The IDNR headquarters at 1 Natural Resources Way in Springfield has experienced a power outage and tree damage throughout the grounds as a result of severe storms in the area. The agency expects to reopen the building to the public on Monday, June 15, 2026, though this could be subject to change. Check back here for an update before planning to visit the office in person.

Governor JB Pritzker Illinois.gov Contact IDNR DNR A to Z

​Accessibility at Mermet Lake:

  • Parking - The parking lots are oil chip & gravel. There are concrete accessible parking spaces with adjacent concrete sidewalks. 

  • Trails - The Mermet Flatwoods trail is a 1-mile, wheelchair-accessible, fine-aggregate-surface trail located right behind the maintenance building. 

  • Fishing/Boating - There is a wooden accessible boat dock adjacent to the Club & Round parking areas on the northwest corner of the lake. 

  • Restrooms - The park has accessible vault toilets located near the maintenance building, southeast corner of the lake, Round Pond, Club Parking Lot, and northwest corner of the lake. 

  • Hunting - There is an ADA waterfowl blind available at the site. There is also an accessible vault toilet at the blind. 

  • Service animals are welcome, but the park does not have outdoor water fountains or hydrants.