Blue Spring Lake
Blue Spring Lake in Jefferson County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.2 ft visibility. Phosphorus: 24.7 µg/L. Maximum depth: 27 ft. Surface area: 136 acres.
- Clarity
- 6.2 ft
- Max depth
- 27 ft
- Area
- 136 acres
- Type
- Eutrophic
- Trend
- ↓ Declining
- Public access
- Yes
Next lake in Jefferson County
Blue Spring Lake is a 136-acre productive, nutrient-rich eutrophic lake in Jefferson County, Wisconsin with a maximum depth of 27 feet. Water quality is graded B based on 1 sampling years through 2026. 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. Grade methodology: LakeGrade methodology.
Watch Blue Spring Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyLow algae
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Murky, only visible to about 6.2 ft. Phosphorus level: 24.7 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.2 ft | Not graded |
| Phosphorus | 24.7 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay 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
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 →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 27 ft |
| Surface Area | 136 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Blue Spring LakePublic
Fish Species
Click a species to see every graded 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.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1988. 2 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Water Quality Trend: ↓ Declining
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.014 m/yr | 6 |
| Phosphorus | ↓ Declining | +0.9 µg/L/yr | 5 |
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 TnWhitewater · 2.2 mi away · NPDES WI0056537Recent violation
- Rushing Waters Fisheries, IncPalmyra · 2.9 mi away · NPDES WI0002488Recent 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.
County Ranking
Ranked #4 of 7 lakes in Jefferson County
Nearby Lakes in Jefferson County
Frequently asked questions about Blue Spring Lake
What is the water quality grade for Blue Spring Lake?
- Blue Spring Lake in Jefferson County, Wisconsin has a water quality grade of B (Good). 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?
- Good for swimming, clear water with low algae levels. Blue Spring Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
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.
Explore Blue Spring Lake across LakeGrade
Fish species and top-graded lakes across Wisconsin
Fish species and best lakes in Jefferson County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
Wisconsin's cleanest and most-polluted lakes, ranked
More Wisconsin Lake Rankings
State Parks Near Blue Spring Lake
Other Grade B Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
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 Resources
WIDNR_WQX53 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory