Where is Pilot Knob Lake?

Pilot Knob Lake is a lake in St. Francois County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.

How deep is Pilot Knob Lake?

Pilot Knob Lake has a maximum depth of 28.2 feet. The lake covers 163 acres.

Pilot Knob Lake

St. Francois County, Missouri163 acresView map Directions

No nutrient or algae sampling on record from Missouri DNR for this lake.

Max depth

28.2 ft

Bathymetric survey

Area

163 acres

Surface area

Shoreline

3 mi

Measured length

28 ft max depth

See the measurements Directions Where to stay

Pilot Knob Lake in St. Francois County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Maximum depth: 28.2 ft. Surface area: 163 acres.

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Pilot Knob Lake is a 163-acre lake in St. Francois County, Missouri with a maximum depth of 28 feet.

Source: EPA Water Quality Portal sampling records, Missouri DNR. 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 Pilot Knob Lake is safe to swim in today is a call for the Missouri Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Pilot Knob Lake

These are the measurements Missouri DNR publishes for Pilot Knob 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 Pilot Knob Lake

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

Lake Details

Max depth

28.2 ft

Surface area

163 acres

Shoreline

3 mi

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Stays near Pilot Knob Lake

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Fishing Pilot Knob Lake

→ Pilot Knob Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in St. Francois County

Iron Mountain Lake3.2 miView →Hemitite Lake1.1 ft clear · Hypereutrophic6.2 miView →Lake Marseilles-Terre du Lac Lakes14.1 ft clear · Mesotrophic—View →Lake Capri16.3 ft clear · Oligotrophic—View →Eugene D Nims Lake13.9 miView →Lac Carmel—View →

Frequently asked questions about Pilot Knob Lake

Where is Pilot Knob Lake?: Pilot Knob Lake is a lake in St. Francois County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Pilot Knob Lake?: Pilot Knob Lake in St. Francois County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Maximum depth: 28.2 ft. Surface area: 163 acres.
Is Pilot Knob Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Pilot Knob Lake?: Pilot Knob Lake has a maximum depth of 28.2 feet. The lake covers 163 acres.