Grass Lake is a lake in Marinette County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.

How deep is Grass Lake?

Grass Lake has a maximum depth of 4 feet. The lake covers 79 acres.

Grass Lake

Marinette County, Wisconsin79 acresView map Directions

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

Max depth

4 ft

Bathymetric survey

Area

79 acres

Surface area

Shoreline

1.5 mi

Measured length

4 ft max depth

See the measurements Directions Where to stay

Grass Lake in Marinette County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 4 ft. Surface area: 79 acres.

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Grass Lake is a 79-acre lake in Marinette County, Wisconsin with a maximum depth of 4 feet.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water. 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 Grass Lake is safe to swim in today is a call for the Wisconsin 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 Grass Lake

These are the measurements Wisconsin DNR publishes for Grass 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 Grass Lake

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

Lake Details

Max depth

4 ft

Surface area

79 acres

Shoreline

1.5 mi

Stays via Stay22

Stays near Grass Lake

Compare lakeside cabins, hotels, and vacation rentals near Grass Lake in Marinette County, Wisconsin — 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 Grass Lake

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Fishing Grass Lake

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

Nearby Lakes in Marinette County

Eagle Lake15 ft clear1.3 miView →Thunder Lake18 ft clear · Oligotrophic1.6 miView →Yankee Lake3 ft clear · Eutrophic3.5 miView →Sand Lake3 miView →High Falls Reservoir at9.5 ft clear—View →Kiss Lake—View →

Frequently asked questions about Grass Lake

Where is Grass Lake?: Grass Lake is a lake in Marinette County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Grass Lake?: Grass Lake in Marinette County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 4 ft. Surface area: 79 acres.
Is Grass Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Grass Lake?: Grass Lake has a maximum depth of 4 feet. The lake covers 79 acres.