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LakeQuality

Bald Lake

Dakota County, MinnesotaView mapDirections

Minnesota PCA publishes the water-quality measurements for Bald Lake. Here is what has been measured.

Clarity
5.6 ft
Typical for Minnesota
Secchi · sampled 2025
Phosphorus
39 µg/L
Typical for Minnesota
Measured by Minnesota PCA
Chlorophyll-a
8.5 µg/L
Typical for Minnesota
Measured by Minnesota PCA
Water temp
~68°F
Typical for Sep · EPA WQP
Type
Eutrophic
Trophic class
Trend
Improving
6 years of samples
  • Eutrophic

Bald Lake in Dakota County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 39 µg/L. Chlorophyll-a (algae): 8.5 µg/L.

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Bald Lake is a productive, nutrient-rich eutrophic lake in Dakota County, Minnesota. Overall water quality is improving over recent sampling years. The lake supports 3 documented fish species including black bullhead, bluegill, and largemouth bass. No public access — the lake is private or restricted. Compared to the 44 other monitored lakes in Dakota County, Bald Lake ranks #18 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-22. Methodology: how these readings are compared.

What Bald Lake is good for

From access and monitoring records, not editorial picks.

  • Fishing3 species recorded

Swimming conditions

Readings only

Moderate 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 Bald Lake is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Bald Lake

These are the measurements Minnesota PCA publishes for Bald 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 5.6 ft. Phosphorus 39 µg/L. Chlorophyll-a 8.5 µg/L. TSI 54.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)5.6ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus39µg/LFair
GoodFairPoor
Chlorophyll-a (algae)8.5µg/LFair
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.54Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Bald Lake

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

Water Temperature

Bald Lake typically sits around 68°F at the surface in September. Summer average is about 75°F. Usually warmest in Jul (about 77°F) and coldest in May (about 60°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
60°
May
73°
Jun
77°
Jul
75°
Aug
68°
Sep
Oct
Nov
Dec

Column height runs from this lake’s coldest month (60°F) to its warmest (77°F).

Typical surface water temperature by month, from 75 field readings (2011–2025) via the EPA Water Quality Portal. See the full Bald Lake water temperature breakdown →

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Bald Lake. 1 report on file.

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

Stays via Stay22

Stays near Bald Lake

Compare lakeside cabins, hotels, and vacation rentals near Bald Lake in Dakota County, Minnesota — 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 Bald 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 Minnesota’s top lakes →

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Fish Species

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

Fishing Bald Lake

Based on 6 years of monitoring (2020–2025).

  • Water clarity

    Improving

    6 years

  • Phosphorus

    Stable

    +0.69 µg/L/yr6 years

  • Chlorophyll-a

    Stable

    -0.25 µg/L/yr6 years

See year-by-year chart →

Nearby Lakes in Dakota County

Frequently asked questions about Bald Lake

Where is Bald Lake?

Bald Lake is a lake in Dakota County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.

What is the water quality of Bald Lake?

Bald Lake in Dakota County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 39 µg/L. Chlorophyll-a (algae): 8.5 µg/L.

Measurements on this page ↑

Is Bald Lake safe to swim in?

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

Swimming on this page ↑

What is the water temperature of Bald Lake?

Bald Lake typically sits around 68°F at the surface in September, from 75 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.

Temp on this page ↑

What fish are in Bald Lake?

Fish species found in Bald Lake include black bullhead, bluegill, largemouth bass. Bald Lake is located in Dakota County, Minnesota.

Fish on this page ↑

Can I fish at Bald Lake?

Public access to Bald Lake is listed as no on the lake record, so confirm before you make the trip. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.

Where this data comes from

137 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA137 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
  • Turbidity, Nephelometric Method
Monitoring station identifiers (1)

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.