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

How deep is Pearl Lake?

Pearl Lake has a maximum depth of 31 feet. The lake covers 31 acres.

Pearl Lake

Winnebago County, Illinois31 acresView map Directions

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

Max depth

31 ft

Bathymetric survey

Area

31 acres

Surface area

Shoreline

1.1 mi

Measured length

31 ft max depth

See the measurements Directions Where to stay

Pearl Lake in Winnebago County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 31 ft. Surface area: 31 acres.

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Pearl Lake is a 31-acre lake in Winnebago County, Illinois with a maximum depth of 31 feet.

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

What Pearl Lake is good for

From access and monitoring records, not editorial picks.

Deep water31 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 Pearl Lake 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 Pearl Lake

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

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

Lake Details

Max depth

31 ft

Surface area

31 acres

Shoreline

1.1 mi

Stays via Stay22

Stays near Pearl Lake

Compare lakeside cabins, hotels, and vacation rentals near Pearl Lake in Winnebago 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 Pearl Lake

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Fishing Pearl Lake

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

Nearby Lakes in Winnebago County

Victoria Lake0.5 miView →Pierce Lake9.5 miView →Windsor Lake10.5 miView →Levings Lake16.2 miView →Baumann Park Lake10.2 ft clear · Mesotrophic17.7 miView →Lake Summerset18.9 miView →

Frequently asked questions about Pearl Lake

Where is Pearl Lake?: Pearl Lake is a lake in Winnebago County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Pearl Lake?: Pearl Lake in Winnebago County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 31 ft. Surface area: 31 acres.
Is Pearl Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Pearl Lake?: Pearl Lake has a maximum depth of 31 feet. The lake covers 31 acres.