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Little Grassy Lake Water Details - IL

Little Grassy Lake is a reservoir located in Williamson County, Illinois, offering anglers a quiet and scenic fishing experience. With two marinas nearby, including one less than a mile away, and a variety of nearby attractions such as campgrounds, boat ramps, and Devil's Kitchen Lake, it's a convenient destination for a full day of outdoor fun.

This named-water page is not a claim that fishing is legal, safe, or productive here. Check public access, local regulations, fish-consumption advisories, and posted closures before fishing.

© OpenStreetMap contributors · open Little Grassy Lake in OpenStreetMap or use coordinates 37.62929, -89.14301.

Current conditions & 3-day forecast

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Weather by Open-Meteo.

Water temperature & water-quality monitoring

Check the official EPA assessment (impaired-waters status and fish-consumption advisories) for Little Grassy Lake at How’s My Waterway (EPA).

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Monitoring summaries from the Water Quality Portal.

State fishing records

Official IL state-record fish are published by the Illinois DNR (iFishIllinois) — records there are the state's, not a MonsterRodHolders list.

Fish species

Location facts

Marinas nearby2
Nearest marina (mi)0.95
CountyWilliamson
Water typereservoir

Nearby attractions

  • Campground Boat Ramp — source
  • Marina Office — source
  • Horse Campground — source
  • Devil's Kitchen Lake — source
  • Devil's Kitchen Campground — source
  • Wesley Area Little Grassy United Methodist Camp — source
  • Camp Carew — source
  • Devil's Kitchen Lake — source

Fishing videos