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LakeQuality

Juergens Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #8 of 8 lakes in the county · 5.9 ft clear · Eutrophic · 117 acres
Limited DataEutrophic

Juergens Lake in Todd County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 5.9 ft visibility. Phosphorus: 78 µg/L. Chlorophyll-a (algae): 21.9 µg/L. Maximum depth: 22 ft. Surface area: 116.51 acres.

Clarity
5.9 ft
Typical in August
68°F
Max depth
22 ft
Area
117 acres
Type
Eutrophic
Public access
Yes

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

Next lake in Todd County

DLittle Sauk Lake5.1 ft clear · Todd CountyView →
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Juergens Lake is a 117-acre productive, nutrient-rich eutrophic lake in Todd County, Minnesota with a maximum depth of 22 feet. Water quality is graded D based on 2 sampling years through 2025. The lake supports 6 documented fish species including black crappie, bluegill, and hybrid sunfish. Public access is available with 1 public boat landing. Compared to the 7 other monitored lakes in Todd County, Juergens Lake ranks #8 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-10-14. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Limited data

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.

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum

Compare the safest swimming lakes near Alexandria

Get alerts for Juergens Lake

Water Quality Grade: D (Nutrient-rich)

Murky, only visible to about 5.9 ft. Phosphorus level: 78 µg/L. Chlorophyll-a: 21.9 µg/L. Trophic State Index: 60.

MetricValueGrade
Water Clarity (Secchi Depth)5.9 ftNot graded
Phosphorus78 µg/LPoor
Chlorophyll-a (Algae)21.9 µg/LPoor
Trophic State Index (TSI)60Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Juergens Lake

Compare lakeside cabins, hotels, and vacation rentals near Juergens Lake in Todd 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 Juergens Lake are listed below.

Top-rated places to stay near Juergens 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

Juergens Lake typically sits around 68°F at the surface in August. Summer average is about 65°F. Usually warmest in Aug (about 68°F) and coldest in May (about 53°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
53°
Jun
60°
Jul
67°
Aug
68°
Sep
65°
Oct
57°
Nov
Dec

Typical surface water temperature by month, from 78 field readings (20252025) via the EPA Water Quality Portal. See the full Juergens Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth22 ft
Surface Area117 acres
Shoreline Length2.3 mi
Littoral Zone77%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
142 sq mi
Elevation
1,237 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Highway 71Public

Fish Species

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

Fishing Juergens 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.

zebra mussel

EPA Impairment Status

Juergens Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)

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

Source: EPA ATTAINS assessment unit MN77-0163-00 · Official waterbody report

County Ranking

Ranked #8 of 8 lakes in Todd County

Nearby Lakes With Higher Grades

Juergens Lake holds Grade D. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.

Nearby Lakes in Todd County

Frequently asked questions about Juergens Lake

What is the water quality grade for Juergens Lake?

Juergens Lake in Todd County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 5.9 ft visibility. Phosphorus: 78 µg/L. Chlorophyll-a (algae): 21.9 µg/L. Maximum depth: 22 ft. Surface area: 116.51 acres.

Is Juergens Lake safe to swim in?

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Juergens Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 21.9 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Juergens Lake?

Juergens Lake typically sits around 68°F at the surface in August, from 78 EPA Water Quality Portal field readings (2025–2025). That is a typical value for the month, not a live reading.

How deep is Juergens Lake?

Juergens Lake has a maximum depth of 22 feet. The lake covers 116.51 acres.

What fish are in Juergens Lake?

Fish species found in Juergens Lake include black crappie, bluegill, hybrid sunfish, largemouth bass, pumpkinseed, yellow perch. Juergens Lake is located in Todd County, Minnesota.

Are there boat ramps on Juergens Lake?

Juergens Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Highway 71. Public access is listed as yes.

State Parks Near Juergens Lake

Where this data comes from

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

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA41 samples · 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

Named boat-access points from the USGS National Boat Ramps inventory