Where is Little Falls Lake?

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

How deep is Little Falls Lake?

Little Falls Lake has a maximum depth of 18 feet. The lake covers 170 acres.

Are there boat ramps on Little Falls Lake?

Little Falls Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Little Falls Flowage. Public access is listed as yes.

Can I fish at Little Falls Lake?

Little Falls Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.

Little Falls Lake

St. Croix County, Wisconsin170 acresView map Directions

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

Max depth

18 ft

Bathymetric survey

Area

170 acres

Surface area

18 ft max depth
Public access

See the measurements Directions Where to stay

Little Falls Lake in St. Croix County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 18 ft. Surface area: 170 acres.

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Little Falls Lake is a 170-acre lake in St. Croix County, Wisconsin with a maximum depth of 18 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Little Falls Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Little Falls 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 Little Falls Lake

These are the measurements Wisconsin DNR publishes for Little Falls 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 Little Falls Lake

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

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Little Falls Lake covering fish populations, stocking, water quality, and management. 1 report on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

2025
Little Falls Lake spring shocking survey, 2025
Spring Shocking Survey · WI DNR · 2025 (PDF)

Lake Details

Max depth

18 ft

Surface area

170 acres

Public access

Yes

Listed by Wisconsin DNR

Recreation & Access

Boat Landings

Yes

Public Access

Little Falls FlowagePublic

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

Stays via Stay22

Stays near Little Falls Lake

Compare lakeside cabins, hotels, and vacation rentals near Little Falls Lake in St. Croix 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 Little Falls Lake

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Follow Little Falls Lake’s readings

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Fishing Little Falls Lake

→ Little Falls Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in St. Croix County

Perch Lake2.4 miView →Dry Dam Lake3.3 miView →Bass Lake10 ft clear · Mesotrophic4.5 miView →Lake Mallalieu2.8 ft clear · Eutrophic3.9 miView →Three Lakes—View →Twin Lakes—View →

Frequently asked questions about Little Falls Lake

Where is Little Falls Lake?: Little Falls Lake is a lake in St. Croix County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Little Falls Lake?: Little Falls Lake in St. Croix County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 18 ft. Surface area: 170 acres.
Is Little Falls Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Little Falls Lake?: Little Falls Lake has a maximum depth of 18 feet. The lake covers 170 acres.
Are there boat ramps on Little Falls Lake?: Little Falls Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Little Falls Flowage. Public access is listed as yes.
Can I fish at Little Falls Lake?: Little Falls Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.