Where is Blue Spring Lake?

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

How deep is Blue Spring Lake?

Blue Spring Lake has a maximum depth of 27 feet. The lake covers 136 acres.

What fish are in Blue Spring Lake?

Fish species found in Blue Spring Lake include Panfish, Largemouth Bass, Northern Pike. Blue Spring Lake is located in Jefferson County, Wisconsin.

Are there boat ramps on Blue Spring Lake?

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

Can I fish at Blue Spring Lake?

Blue Spring 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.

Blue Spring Lake

Jefferson County, Wisconsin136 acresView map Directions

Wisconsin DNR publishes the water-quality measurements for Blue Spring Lake. Here is what has been measured.

Clarity

6.2 ft

Typical for Wisconsin

Secchi · sampled 2026

Phosphorus

24.7 µg/L

Typical for Wisconsin

Measured by Wisconsin DNR

Max depth

27 ft

Bathymetric survey

Area

136 acres

Surface area

Type

Eutrophic

Trophic class

Trend

Worsening

7 years of samples

Eutrophic
2 aquatic invasives
27 ft max depth
Public access

See the measurements Directions Where to stay

Blue Spring Lake in Jefferson County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 6.2 ft visibility. Phosphorus: 24.7 µg/L. Maximum depth: 27 ft. Surface area: 136 acres.

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

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Blue Spring Lake is a 136-acre productive, nutrient-rich eutrophic lake in Jefferson County, Wisconsin with a maximum depth of 27 feet. Overall water quality is declining over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing. Compared to the 6 other monitored lakes in Jefferson County, Blue Spring Lake ranks #4 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-03. Methodology: how these readings are compared.

Blue Spring Lake covers about 140 acres in Jefferson County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Blue Spring Lake, and Booking.com and Expedia search hotels near the lake for your dates.

What Blue Spring Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Fishing3 species recorded

Swimming conditions

Readings only

Low algae

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

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

Whether Blue Spring 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 Blue Spring Lake

These are the measurements Wisconsin DNR publishes for Blue Spring Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Murky, only visible to about 6.2 ft. Phosphorus 24.7 µg/L. TSI 51.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	6.2ft	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	24.7µg/L	Good GoodFairPoor
Chlorophyll-a (algae)		No reading The green pigment in algae — a direct measure of how much algae is in the water.
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.	51	Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Blue Spring Lake

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

DNR fisheries survey

Wisconsin DNR rates Panfish as abundant on Blue Spring Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Blue Spring Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. 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. Monitored by volunteers since 1988. 2 stations on file (most recent sample 2025).

DNR Assessment

Good · Deep Headwater lake

Trophic State Index 52 (eutrophic) · 5-year average

Fish Species (DNR-rated)

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

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

Lake Details

Max depth

27 ft

Surface area

136 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

3 sq mi

HydroLAKES / HydroSHEDS

Shoreline

2.2 mi

HydroLAKES / HydroSHEDS

Elevation

817 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

Boat Landings

Yes

Public Access

Blue Spring LakePublic

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

Stays via Stay22

Stays near Blue Spring Lake

Compare lakeside cabins, hotels, and vacation rentals near Blue Spring Lake in Jefferson 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 Blue Spring Lake

Prices for Oct 9–11, 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 Blue Spring Lake’s readings

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Fish Species

Panfish Largemouth Bass Northern Pike

Click a species to see every lake where it is documented.

Fishing Blue Spring Lake

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Banded Mystery SnailCurly-Leaf PondweedEurasian Water-MilfoilHybrid Eurasian / Northern Water-MilfoilZebra Mussel

Water Quality Trend: Worsening

Based on 7 years of monitoring (2020–2026).

Water clarity
Stable
6 years
Phosphorus
Worsening
+0.9 µg/L/yr5 years

See year-by-year chart →

Reservoir Info (USACE NID)

Blue Spring Lake is a man-made reservoir impounded by the Blue Spring Lake (completed 1928), built primarily for recreation on the SPRING CREEK; gravity-type dam, 15 ft tall and 600 ft long.

Surface area: 136 ac
Normal storage: 500 ac-ft
Max storage: 900 ac-ft
Drainage area: 1.9 sq mi
Hazard class: High
Owner: Blue Spring Lake Management District

Source: USACE National Inventory of Dams, NID ID WI00145 · Operator website

Regulated Pollution Sources Nearby

2 EPA-permitted facilities operate within about 5 miles of Blue Spring Lake under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.

S And R Egg Farms Inc La Grange Tn
Whitewater · 2.2 mi away · NPDES WI0056537
Recent violation
Rushing Waters Fisheries, Inc
Palmyra · 2.9 mi away · NPDES WI0002488
Recent violation

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

Nearby Lakes in Jefferson County

Lower Spring Lake4 ft clear · Eutrophic—View →Green Isle Lake—View →Rome Pond—View →Cushman Pond—View →Goose Lake—View →Mud Lake—View →

Frequently asked questions about Blue Spring Lake

Where is Blue Spring Lake?: Blue Spring Lake is a lake in Jefferson County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Blue Spring Lake?: Blue Spring Lake in Jefferson County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 6.2 ft visibility. Phosphorus: 24.7 µg/L. Maximum depth: 27 ft. Surface area: 136 acres.
Is Blue Spring Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Blue Spring Lake?: Blue Spring Lake has a maximum depth of 27 feet. The lake covers 136 acres.
What fish are in Blue Spring Lake?: Fish species found in Blue Spring Lake include Panfish, Largemouth Bass, Northern Pike. Blue Spring Lake is located in Jefferson County, Wisconsin.
What did the DNR fisheries survey find at Blue Spring Lake?: Wisconsin DNR rates Panfish as abundant on Blue Spring Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Blue Spring Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on Blue Spring Lake?: Blue Spring Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Blue Spring Lake. Public access is listed as yes.
Can I fish at Blue Spring Lake?: Blue Spring 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.

Explore Blue Spring Lake across LakeQuality

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Species activity outlook by water temperature and season

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Official ratings and named-lake measurements

State Parks Near Blue Spring Lake

Aztalan State Park

State Park · 19.5 mi

Big Foot Beach State Park

State Park · 21.9 mi

Other Lakes in Wisconsin

Green Lake

Walworth County · 11 ft

Pleasant Lake

Walworth County · 12 ft

Middle Lake

Walworth County · 10 ft

Mill Lake

Walworth County · 7.5 ft

Pretty Lake

Waukesha County · 12.2 ft

Ottawa Lake

Waukesha County · 13 ft

Eutrophic Lakes in Wisconsin

Swift Lake North Lake Lake Wandawega Rice Lake

Where this data comes from

53 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

Wisconsin Department of Natural ResourcesWIDNR_WQX53 samples · 2020–2026

Analytical methods

Phosphorus by Colorimetry

Monitoring station identifiers (1)

WIDNR_WQX-283117

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.