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

How deep is Lake Delta?

Lake Delta has a maximum depth of 30 feet and an average depth of 10 feet. The lake covers 167 acres.

Are there boat ramps on Lake Delta?

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

Can I fish at Lake Delta?

Lake Delta 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.

Lake Delta

Bayfield County, Wisconsin167 acresView map Directions

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

Max depth

30 ft

Bathymetric survey

Area

167 acres

Surface area

Shoreline

2.9 mi

Measured length

30 ft max depth
Public access

See the measurements Directions Where to stay

Lake Delta in Bayfield County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 30 ft. Surface area: 167 acres.

Wisconsin DNR rates Panfish as abundant on Lake Delta. DNR survey details →

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Lake Delta is a 167-acre lake in Bayfield County, Wisconsin with a maximum depth of 30 feet (10-foot average). 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 Lake Delta is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water30 ft surveyed max depth

Swimming conditions

No reading

Not rated

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

Whether Lake Delta 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.

Compare swimming lakes near Hayward →

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Water quality measurements for Lake Delta

These are the measurements Wisconsin DNR publishes for Lake Delta, 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 Delta

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

DNR fisheries survey

Wisconsin DNR rates Panfish as abundant on Lake Delta.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Delta’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2019).

Fish Species (DNR-rated)

Panfish(Abundant)Largemouth Bass(Common)Northern Pike(Present)

Contour map (PDF) →Full WI DNR LakePage →Water quality stations →

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Lake Delta 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).

2023
Delta Lake spring shocking survey, 2023
Spring Shocking Survey · WI DNR · 2023 (PDF)

Lake Details

Max depth

30 ft

Average depth

10 ft

Surface area

167 acres

Shoreline

2.9 mi

Public access

Yes

Listed by Wisconsin DNR

Recreation & Access

Boat Landings

Yes

Public Access

Lake DeltaPublic

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 Delta

Compare lakeside cabins, hotels, and vacation rentals near Lake Delta in Bayfield 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 Lake Delta

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 Wisconsin’s top lakes →

Follow Lake Delta’s readings

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Fishing Lake Delta

Nearby Lakes in Bayfield County

Swede Lake0.5 miView →Bear Lake2 ft clear · Eutrophic0.7 miView →Spirit Lake0.6 miView →Bear Lake0.8 miView →Everett Lake0.8 miView →Phantom Lake0.9 miView →

Frequently asked questions about Lake Delta

Where is Lake Delta?: Lake Delta is a lake in Bayfield County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Lake Delta?: Lake Delta in Bayfield County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 30 ft. Surface area: 167 acres.
Is Lake Delta safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Delta?: Lake Delta has a maximum depth of 30 feet and an average depth of 10 feet. The lake covers 167 acres.
What did the DNR fisheries survey find at Lake Delta?: Wisconsin DNR rates Panfish as abundant on Lake Delta. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Lake Delta’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Lake Delta?: Lake Delta has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Delta. Public access is listed as yes.
Can I fish at Lake Delta?: Lake Delta 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.