Where is Eldorado Reservoir?

Eldorado Reservoir is a lake in Saline County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.

How deep is Eldorado Reservoir?

Eldorado Reservoir has a maximum depth of 16 feet and an average depth of 8 feet. The lake covers 106 acres.

Eldorado Reservoir

Saline County, Illinois106 acresView map Directions

No nutrient or algae sampling on record from Illinois EPA for this lake.

Max depth

16 ft

Bathymetric survey

Area

106 acres

Surface area

Shoreline

2.7 mi

Measured length

16 ft max depth

See the measurements Directions Where to stay

Eldorado Reservoir in Saline County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 16 ft. Surface area: 106 acres.

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Eldorado Reservoir is a 106-acre lake in Saline County, Illinois with a maximum depth of 16 feet (8-foot average).

Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Eldorado Reservoir 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.

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Water quality measurements for Eldorado Reservoir

These are the measurements Illinois EPA publishes for Eldorado Reservoir, 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 Eldorado Reservoir

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

16 ft

Average depth

8 ft

Surface area

106 acres

Shoreline

2.7 mi

Stays via Stay22

Stays near Eldorado Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Eldorado Reservoir in Saline 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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Fishing Eldorado Reservoir

→ Eldorado Reservoir fishing regulations (limits, seasons, special rules)

Nearby Lakes in Saline County

Harrisburg Reservoir5.3 miView →Snockey Pond9.6 miView →Glen Jones Lake11.2 miView →Sandy Run Lake10.3 miView →L P Dolan Lake17 miView →Lake McLeansboro—View →

Frequently asked questions about Eldorado Reservoir

Where is Eldorado Reservoir?: Eldorado Reservoir is a lake in Saline County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Eldorado Reservoir?: Eldorado Reservoir in Saline County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 16 ft. Surface area: 106 acres.
Is Eldorado Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Eldorado Reservoir?: Eldorado Reservoir has a maximum depth of 16 feet and an average depth of 8 feet. The lake covers 106 acres.