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LakeQuality

Wheeler South Lake

F
Grade F — Algae-prone
Algae-prone · #23 of 25 lakes in the county · 2 ft clear · Eutrophic
Eutrophic

Wheeler South Lake in Kandiyohi County, Minnesota has a water quality grade of F (Algae-prone). Water clarity: 2 ft visibility. Phosphorus: 128 µg/L. Chlorophyll-a (algae): 31.1 µg/L.

Clarity
2 ft
Typical in August
74°F
Mean depth
~11 ft est.
Type
Eutrophic
Trend
Improving
Public access
No

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

Next lake in Kandiyohi County

FWheeler North Lake1 ft clear · Kandiyohi CountyView →
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Wheeler South Lake is a productive, nutrient-rich eutrophic lake in Kandiyohi County, Minnesota with an estimated average depth of about 11 feet. Water quality is graded F based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. Limited fish-species data available. No public access — the lake is private or restricted. Compared to the 24 other monitored lakes in Kandiyohi County, Wheeler South Lake ranks #23 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-16. 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 Willmar

Get alerts for Wheeler South Lake

Water Quality Grade: F (Algae-prone)

Very murky, less than 2 ft of visibility. Phosphorus level: 128 µg/L. Chlorophyll-a: 31.1 µg/L. Trophic State Index: 69.

MetricValueGrade
Water Clarity (Secchi Depth)2 ftNot graded
Phosphorus128 µg/LPoor
Chlorophyll-a (Algae)31.1 µg/LPoor
Trophic State Index (TSI)69Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Wheeler South Lake

Compare lakeside cabins, hotels, and vacation rentals near Wheeler South Lake in Kandiyohi 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 Wheeler South Lake are listed below.

Top-rated places to stay near Wheeler South 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

Wheeler South Lake typically sits around 74°F at the surface in August. Summer average is about 75°F. Usually warmest in Jul (about 79°F) and coldest in May (about 65°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
65°
Jun
73°
Jul
79°
Aug
74°
Sep
67°
Oct
Nov
Dec

Typical surface water temperature by month, from 47 field readings (20112025) via the EPA Water Quality Portal. See the full Wheeler South Lake water temperature breakdown →

Lake Details

CharacteristicValue
Average Depth~11 ft est.
Public AccessNo

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

Lake Size & Watershed

Watershed (drainage) area
6 sq mi
Surface area
415 acres
Mean depth (modeled estimate)
~11 ft est.
Shoreline
6.5 mi
Elevation
1,168 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 Wheeler South Lake

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Wheeler South 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 Improving+0.065 m/yr6
Phosphorus Improving-15.67 µg/L/yr6
Chlorophyll-a Improving-2.89 µg/L/yr6
See year-by-year chart →

County Ranking

Ranked #23 of 25 lakes in Kandiyohi County

Nearby Lakes With Higher Grades

Wheeler South Lake holds Grade F. 2 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 Kandiyohi County

Frequently asked questions about Wheeler South Lake

What is the water quality grade for Wheeler South Lake?

Wheeler South Lake in Kandiyohi County, Minnesota has a water quality grade of F (Algae-prone). Water clarity: 2 ft visibility. Phosphorus: 128 µg/L. Chlorophyll-a (algae): 31.1 µg/L.

Is Wheeler South 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. Wheeler South Lake has a water quality grade of F (Algae-prone). Algae concentration (chlorophyll-a) is 31.1 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Wheeler South Lake?

Wheeler South Lake typically sits around 74°F at the surface in August, from 47 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.

How deep is Wheeler South Lake?

No published bathymetric survey covers Wheeler South Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 11 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Eutrophic Lakes in Minnesota

Where this data comes from

87 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 WaterMNPCA87 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

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder