Where is Lake of Egypt?

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

How deep is Lake of Egypt?

Lake of Egypt has a maximum depth of 45 feet and an average depth of 18.5 feet. The lake covers 2129 acres.

Are there boat ramps on Lake of Egypt?

Lake of Egypt has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake of Egypt, Lake of Egypt. Public access is listed as yes.

Can I fish at Lake of Egypt?

Lake of Egypt has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Illinois's fish and wildlife agency, so check its current regulations before you go.

Lake of Egypt

Johnson County, Illinois2,129 acresView map Directions

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

Max depth

45 ft

Bathymetric survey

Area

2,129 acres

Surface area

Shoreline

68 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)
45 ft max depth
Public access

See the measurements Directions Where to stay

Lake of Egypt in Johnson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 45 ft. Surface area: 2129 acres.

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Lake of Egypt is a 2,129-acre lake in Johnson County, Illinois with a maximum depth of 45 feet (19-foot average). Limited fish-species data available. Public access is available with 2 public boat landings.

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

What Lake of Egypt is good for

From access and monitoring records, not editorial picks.

Boat launch2 documented ramps
Deep water45 ft surveyed max depth
Big water2,129 acres

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Lake of Egypt is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), pesticides, pCBs. Check local advisories before you swim.

Whether Lake of Egypt 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 of Egypt

These are the measurements Illinois EPA publishes for Lake of Egypt, 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 of Egypt

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

Lake Details

Max depth

45 ft

Average depth

18.5 ft

Surface area

2,129 acres

Shoreline

68 mi

Public access

Yes

Listed by Illinois EPA

Recreation & Access

Boat Landings

Yes

Public Access

Lake of EgyptPublic
Lake of EgyptPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Lake of Egypt

Compare lakeside cabins, hotels, and vacation rentals near Lake of Egypt in Johnson 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 of Egypt

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Fishing Lake of Egypt

→ Lake of Egypt fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Lake of Egypt is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Nutrients (phosphorus, nitrogen)PesticidesPCBs

Designated uses not supporting: Fish consumption, Other.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit IL_RAL · Official waterbody report

Nearby Lakes in Johnson County

Dutchman Lake2.1 ft clear · Hypereutrophic7.1 miView →Tall Tree Lake8.1 miView →Vienna City Lake—View →Vienna Correctional Center Lake4.5 ft clear · Eutrophic—View →

Frequently asked questions about Lake of Egypt

Where is Lake of Egypt?: Lake of Egypt is a lake in Johnson 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 of Egypt?: Lake of Egypt in Johnson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 45 ft. Surface area: 2129 acres.
Is Lake of Egypt safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake of Egypt is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), pesticides, pCBs. Check local advisories before you swim.
How deep is Lake of Egypt?: Lake of Egypt has a maximum depth of 45 feet and an average depth of 18.5 feet. The lake covers 2129 acres.
Are there boat ramps on Lake of Egypt?: Lake of Egypt has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Lake of Egypt, Lake of Egypt. Public access is listed as yes.
Can I fish at Lake of Egypt?: Lake of Egypt has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Illinois's fish and wildlife agency, so check its current regulations before you go.