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LakeQuality

East Auburn Lake

F
Grade F — Algae-prone
Algae-prone · #21 of 38 lakes in the county · 5 ft clear · Eutrophic · from C
Eutrophic

East Auburn Lake in Carver County, Minnesota has a water quality grade of F (Algae-prone). Water clarity: 5 ft visibility. Phosphorus: 57 µg/L. Chlorophyll-a (algae): 31.8 µg/L.

Clarity
5 ft
Typical in August
67°F
Mean depth
~12 ft est.
Type
Eutrophic
Trend
Declining
Public access
Yes
Ice-out
Apr 1
Open water
235 days

Grade F measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near East Auburn Lake

Next lake in Carver County

CAuburn Lake6.4 ft clear · Carver CountyView →
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East Auburn Lake is a productive, nutrient-rich eutrophic lake in Carver County, Minnesota with an estimated average depth of about 12 feet. Water quality is graded F based on 2 sampling years through 2025. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 37 other monitored lakes in Carver County, East Auburn Lake ranks #21 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-10-13. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Algae risk

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.

Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom

Compare the safest swimming lakes near Minneapolis

Get alerts for East Auburn Lake

Water Quality Grade: F (Algae-prone)

Murky, only visible to about 5 ft. Phosphorus level: 57 µg/L. Chlorophyll-a: 31.8 µg/L. Trophic State Index: 60.

MetricValueGrade
Water Clarity (Secchi Depth)5 ftNot graded
Phosphorus57 µg/LPoor
Chlorophyll-a (Algae)31.8 µg/LPoor
Trophic State Index (TSI)60Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near East Auburn Lake

Compare lakeside cabins, hotels, and vacation rentals near East Auburn Lake in Carver 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around East Auburn Lake are listed below.

Top-rated places to stay near East Auburn 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 Minnesota’s top lakes →

Water Temperature

East Auburn Lake typically sits around 67°F at the surface in August. Summer average is about 66°F. Usually warmest in Jul (about 67°F) and coldest in Oct (about 57°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
58°
Jun
64°
Jul
67°
Aug
67°
Sep
65°
Oct
57°
Nov
Dec

Typical surface water temperature by month, from 489 field readings (20162025) via the EPA Water Quality Portal. See the full East Auburn Lake water temperature breakdown →

Blue-Green Algae (Cyanobacteria)

No current satellite reading

There’s no recent EPA CyAN cyanobacteria estimate for East Auburn Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was very high (1,106,624 cells/mL) on July 18, 2026.

Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗

Lake Details

CharacteristicValue
Average Depth~12 ft est.
Public AccessYes

Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Minnesota has not published bathymetry for East Auburn Lake.

Lake Size & Watershed

Watershed (drainage) area
7 sq mi
Surface area
262 acres
Mean depth (modeled estimate)
~12 ft est.
Shoreline
3.9 mi
Elevation
928 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.

Fishing East Auburn 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.

Eurasian watermilfoil

DNR Reports & Resources

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

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

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable-0.033 m/yr6
Phosphorus Declining+9.35 µg/L/yr5
Chlorophyll-a Declining+7.04 µg/L/yr5
See year-by-year chart →

Ice Season

Historical ice data from Minnesota DNR (32 observations).

Typical Ice-Out
Apr 1
Typical Ice-In
Nov 22

Estimated open water season: 235 days

EarliestLatest
Ice-Out2024-03-03 (2024)2018-05-01 (2018)
Ice-In2019-11-12 (2019)2011-12-02 (2011)

Most recent ice-out: 2026-03-30

EPA Impairment Status

East Auburn Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Impaired biota (cause unknown)Nutrients (phosphorus, nitrogen)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN10-0044-02 · Official waterbody report

County Ranking

Ranked #21 of 38 lakes in Carver County

Nearby Lakes With Higher Grades

East Auburn Lake holds Grade F. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

See full comparison →

Nearby Lakes in Carver County

Frequently asked questions about East Auburn Lake

What is the water quality grade for East Auburn Lake?

East Auburn Lake in Carver County, Minnesota has a water quality grade of F (Algae-prone). Water clarity: 5 ft visibility. Phosphorus: 57 µg/L. Chlorophyll-a (algae): 31.8 µg/L.

Is East Auburn Lake safe to swim in?

Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom. East Auburn Lake has a water quality grade of F (Algae-prone). Algae concentration (chlorophyll-a) is 31.8 µg/L. Always check local health department advisories before swimming.

What is the water temperature of East Auburn Lake?

East Auburn Lake typically sits around 67°F at the surface in August, from 489 EPA Water Quality Portal field readings (2016–2025). That is a typical value for the month, not a live reading.

How deep is East Auburn Lake?

No published bathymetric survey covers East Auburn Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 12 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

When does East Auburn Lake thaw?

East Auburn Lake typically has ice-out around Apr 1. Ice typically forms around Nov 22. The open water season is approximately 235 days.

Does East Auburn Lake have blue-green algae?

There is no recent EPA CyAN cyanobacteria estimate for East Auburn Lake (clouds, ice, or an off-season gap). The most recent reading was very high (1,106,624 cells/mL). Blue-green algae can appear and clear within days, so check Minnesota's current advisory before swimming.

Where this data comes from

210 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 WaterMNPCA210 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
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

Impairment status from EPA ATTAINS 303(d) database

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder

Ice data from Minnesota DNR Climate