Cross Slough
Mason County, Illinois2,776 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- 7 ft max depth
Cross Slough in Mason County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 7 ft. Surface area: 2776 acres.
Cross Slough is a 2,776-acre lake in Mason County, Illinois with a maximum depth of 7 feet.
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
What Cross Slough is good for
From access and monitoring records, not editorial picks.
- Big water2,776 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Cross Slough is safe to swim in today is a call for the Illinois Environmental Protection Agency and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Cross Slough
These are the measurements Illinois EPA publishes for Cross Slough, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Cross Slough
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
7 ft
Surface area
2,776 acres
Shoreline
47.7 mi
Stays via Stay22
Stays near Cross Slough
Compare lakeside cabins, hotels, and vacation rentals near Cross Slough in Mason County, Illinois — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Frequently asked questions about Cross Slough
Where is Cross Slough?
- Cross Slough is a lake in Mason County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Cross Slough?
- Cross Slough in Mason County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 7 ft. Surface area: 2776 acres.
Is Cross Slough safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Cross Slough?
- Cross Slough has a maximum depth of 7 feet. The lake covers 2776 acres.
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Where this data comes from
Measurements for Cross Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.