Where is Lake Thunderbird?

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

How deep is Lake Thunderbird?

Lake Thunderbird has a maximum depth of 60 feet and an average depth of 35 feet. The lake covers 107 acres.

Lake Thunderbird

Putnam County, Illinois107 acresView map Directions

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

Max depth

60 ft

Bathymetric survey

Area

107 acres

Surface area

Shoreline

6.6 mi

Measured length

60 ft max depth

See the measurements Directions Where to stay

Lake Thunderbird in Putnam County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 60 ft. Surface area: 107 acres.

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Lake Thunderbird is a 107-acre lake in Putnam County, Illinois with a maximum depth of 60 feet (35-foot average).

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

What Lake Thunderbird is good for

From access and monitoring records, not editorial picks.

Deep water60 ft surveyed max depth

Swimming conditions

No reading

Not rated

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

Whether Lake Thunderbird 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 Lake Thunderbird

These are the measurements Illinois EPA publishes for Lake Thunderbird, 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 Lake Thunderbird

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

Lake Details

Max depth

60 ft

Average depth

35 ft

Surface area

107 acres

Shoreline

6.6 mi

Stays via Stay22

Stays near Lake Thunderbird

Compare lakeside cabins, hotels, and vacation rentals near Lake Thunderbird in Putnam 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.

Top-rated places to stay near Lake Thunderbird

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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Follow Lake Thunderbird’s readings

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Fishing Lake Thunderbird

→ Lake Thunderbird fishing regulations (limits, seasons, special rules)

Nearby Lakes in Putnam County

Senachwine Lake5.6 miView →Coleman Lake8.7 miView →Swan Lake8.3 miView →Sawmill Lake9.2 miView →Turner Lake—View →

Frequently asked questions about Lake Thunderbird

Where is Lake Thunderbird?: Lake Thunderbird is a lake in Putnam County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Lake Thunderbird?: Lake Thunderbird in Putnam County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 60 ft. Surface area: 107 acres.
Is Lake Thunderbird safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Thunderbird?: Lake Thunderbird has a maximum depth of 60 feet and an average depth of 35 feet. The lake covers 107 acres.