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LakeQuality

Kennedy Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #78 of 84 lakes in the county · 7 ft clear · Eutrophic · from C
Limited DataEutrophic

Kennedy Lake in Becker County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 7 ft visibility. Phosphorus: 35 µg/L. Chlorophyll-a (algae): 16.8 µg/L.

Clarity
7 ft
Typical in August
66°F
Mean depth
~9 ft est.
Type
Eutrophic
Trend
Improving
Public access
No

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

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ATamarac Lake6.9 ft clear · Becker CountyView →
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Kennedy Lake is a productive, nutrient-rich eutrophic lake in Becker County, Minnesota with an estimated average depth of about 9 feet. Water quality is graded D based on 2 sampling years through 2022. 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 83 other monitored lakes in Becker County, Kennedy Lake ranks #78 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2022-09-22. 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 Detroit Lakes

Get alerts for Kennedy Lake

Water Quality Grade: D (Nutrient-rich)

Moderate clarity, visible to about 7 ft. Phosphorus level: 35 µg/L. Chlorophyll-a: 16.8 µg/L. Trophic State Index: 54.

MetricValueGrade
Water Clarity (Secchi Depth)7 ftNot graded
Phosphorus35 µg/LFair
Chlorophyll-a (Algae)16.8 µg/LPoor
Trophic State Index (TSI)54Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Kennedy Lake

Compare lakeside cabins, hotels, and vacation rentals near Kennedy Lake in Becker 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 Kennedy Lake are listed below.

Top-rated places to stay near Kennedy 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

Kennedy Lake typically sits around 66°F at the surface in August. Summer average is about 66°F. Usually warmest in Jul (about 67°F) and coldest in Jun (about 64°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
Jun
64°
Jul
67°
Aug
66°
Sep
66°
Oct
Nov
Dec

Typical surface water temperature by month, from 47 field readings (20222022) via the EPA Water Quality Portal. See the full Kennedy Lake water temperature breakdown →

Lake Details

CharacteristicValue
Average Depth~9 ft est.
Public AccessNo

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

Lake Size & Watershed

Watershed (drainage) area
0 sq mi
Surface area
35 acres
Mean depth (modeled estimate)
~9 ft est.
Shoreline
1 mi
Elevation
1,381 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 Kennedy Lake

Based on 2 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable-0.03 m/yr2
Phosphorus Improving-15 µg/L/yr2
Chlorophyll-a Improving-10.6 µg/L/yr2

EPA Impairment Status

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

Causes of impairment

Mercury

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

Source: EPA ATTAINS assessment unit MN03-0387-02 · Official waterbody report · Matched by proximity (2.26 km)

County Ranking

Ranked #78 of 84 lakes in Becker County

Nearby Lakes With Higher Grades

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

Nearby Lakes in Becker County

Frequently asked questions about Kennedy Lake

What is the water quality grade for Kennedy Lake?

Kennedy Lake in Becker County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 7 ft visibility. Phosphorus: 35 µg/L. Chlorophyll-a (algae): 16.8 µg/L.

Is Kennedy 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. Kennedy Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 16.8 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Kennedy Lake?

Kennedy Lake typically sits around 66°F at the surface in August, from 47 EPA Water Quality Portal field readings (2022–2022). That is a typical value for the month, not a live reading.

How deep is Kennedy Lake?

No published bathymetric survey covers Kennedy Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 9 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

State Parks Near Kennedy Lake

Eutrophic Lakes in Minnesota

Where this data comes from

23 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA23 samples · 2022

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