Where is Greendale Lake?

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

Greendale Lake

Clay County, Illinois43 acresView map Directions

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

Area

43 acres

Surface area

Shoreline

1.9 mi

Measured length

See the measurements Directions Where to stay

Greendale Lake in Clay County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 43 acres.

Loading map…

Greendale Lake is a 43-acre lake in Clay County, Illinois.

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 Greendale 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.

Compare swimming lakes near St. Louis →

Get alerts for Greendale Lake →

Water quality measurements for Greendale Lake

These are the measurements Illinois EPA publishes for Greendale 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 Greendale Lake

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

Lake Details

Surface area

43 acres

Shoreline

1.9 mi

No bathymetric survey has been published for Greendale Lake, so its depth is not documented here.

Stays via Stay22

Stays near Greendale Lake

Compare lakeside cabins, hotels, and vacation rentals near Greendale Lake in Clay 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 Greendale Lake

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

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Illinois’s top lakes →

Follow Greendale Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Greendale Lake

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

Nearby Lakes in Clay County

Patterson Lake—View →Salt Pond—View →Forbes Lake1.4 ft clear · Hypereutrophic6 miView →Forbes Lake6.4 miView →Sam Dale Lake1.2 ft clear · Hypereutrophic9.9 miView →Kinmundy Old Lake1.5 ft clear · Hypereutrophic11.9 miView →

Frequently asked questions about Greendale Lake

Where is Greendale Lake?: Greendale Lake is a lake in Clay County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Greendale Lake?: Greendale Lake in Clay County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 43 acres.
Is Greendale Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.