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LakeQuality

Many Point Lake

A
Grade A — Excellent
Excellent · #51 of 84 lakes in the county · 10.7 ft clear · Mesotrophic · 1,701 acres
Mesotrophic

Many Point Lake in Becker County, Minnesota has a water quality grade of A (Excellent). Water clarity: 10.7 ft visibility. Phosphorus: 15.5 µg/L. Chlorophyll-a (algae): 6.3 µg/L. Maximum depth: 92 ft. Surface area: 1700.9 acres.

Clarity
10.7 ft
Typical in August
64°F
Max depth
92 ft
Area
1,701 acres
Type
Mesotrophic
Trend
Stable
Public access
Yes

Next lake in Becker County

DMallard Lake3.6 ft clear · Becker CountyView →
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Free interactive depth-contour map of Many Point Lake, reaching a maximum surveyed depth of 90 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Minnesota DNR.

Many Point Lake is a 1,701-acre mesotrophic lake in Becker County, Minnesota with a maximum depth of 92 feet. Water quality is graded A based on 2 sampling years through 2025. Phosphorus level is declining over recent sampling years. The lake supports 16 documented fish species including black crappie, bluegill, and bowfin (dogfish). Public access is available. Compared to the 83 other monitored lakes in Becker County, Many Point Lake ranks #51 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-21. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Low algae

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.

Excellent for swimming, crystal clear water with minimal algae

Compare the safest swimming lakes near Detroit Lakes

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Water Quality Grade: A (Excellent)

Good clarity, visible to about 10.7 ft. Phosphorus level: 15.5 µg/L. Chlorophyll-a: 6.3 µg/L. Trophic State Index: 45.

MetricValueGrade
Water Clarity (Secchi Depth)10.7 ftNot graded
Phosphorus15.5 µg/LGood
Chlorophyll-a (Algae)6.3 µg/LGood
Trophic State Index (TSI)45Mesotrophic

Moderate nutrients, good water quality

Where to stay near Many Point Lake

Compare lakeside cabins, hotels, and vacation rentals near Many Point 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.

Top-rated places to stay near Many Point Lake

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Planning a whole trip? See where to stay at Minnesota’s top lakes →

Water Temperature

Many Point Lake typically sits around 64°F at the surface in August. Summer average is about 59°F. Usually warmest in Aug (about 64°F) and coldest in May (about 50°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
50°
Jun
55°
Jul
58°
Aug
64°
Sep
60°
Oct
Nov
Dec

Typical surface water temperature by month, from 81 field readings (20162024) via the EPA Water Quality Portal. See the full Many Point Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth92 ft
Surface Area1,701 acres
Shoreline Length12.9 mi
Littoral Zone33%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
70 sq mi
Elevation
1,493 ft

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

Fish Species

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

Fishing Many Point Lake

DNR Fisheries Survey Summary

10 surveys on file from MN DNR Fisheries. Most recent: 2023-08-02 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
MMS98.17
Bluntnose Minnow75.87
GOS51.20
BCS48.97
BNS31.84
JND21.50

CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.

From the 2023-08-02 survey

A targeted survey of nearshore fish species in Many Point Lake, which lies within the boundaries of the White Earth Reservation, was conducted on August 2-7, 2023, by Index of Biological Integrity (IBI) Program staff. Sampling sites were evenly spaced around the lake, and each was sampled by backpack electrofishing…

Source: MN DNR LakeFinder Fisheries Lake Survey

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Many Point Lake. 4 reports on file.

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

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

MetricTrendChange/YearYears
Phosphorus Declining+1.5 µg/L/yr2
Chlorophyll-a Improving-2.3 µg/L/yr2

Reservoir Info (USACE NID)

Many Point Lake is a man-made reservoir impounded by the Many Point Lake (completed 1938), built primarily for recreation on the Otter Tail River; gravity-type dam, 12 ft tall and 55 ft long.

Surface area
1,588 ac
Normal storage
3,200 ac-ft
Max storage
8,000 ac-ft
Drainage area
66 sq mi
Hazard class
Low
Owner
MNDNR

Source: USACE National Inventory of Dams, NID ID MN00023 · Operator website

County Ranking

Ranked #51 of 84 lakes in Becker County

Nearby Lakes in Becker County

Frequently asked questions about Many Point Lake

What is the water quality grade for Many Point Lake?

Many Point Lake in Becker County, Minnesota has a water quality grade of A (Excellent). Water clarity: 10.7 ft visibility. Phosphorus: 15.5 µg/L. Chlorophyll-a (algae): 6.3 µg/L. Maximum depth: 92 ft. Surface area: 1700.9 acres.

Is Many Point Lake safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Many Point Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 6.3 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Many Point Lake?

Many Point Lake typically sits around 64°F at the surface in August, from 81 EPA Water Quality Portal field readings (2016–2024). That is a typical value for the month, not a live reading.

How deep is Many Point Lake?

Many Point Lake has a maximum depth of 92 feet. The lake covers 1700.9 acres.

What fish are in Many Point Lake?

Fish species found in Many Point Lake include black crappie, bluegill, bowfin (dogfish), green sunfish, hybrid sunfish, lake sturgeon, largemouth bass, muskellunge, northern pike, pumpkinseed, rock bass, tullibee (cisco), walleye, white sucker, yellow bullhead, yellow perch. Many Point Lake is located in Becker County, Minnesota.

State Parks Near Many Point Lake

Where this data comes from

55 measurements from 3 monitoring stations, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Chippewa Tribe, Minnesota (White Earth Band) (Tribal)WEARTH_WQX45 samples · 2024
  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA10 samples · 2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
  • Turbidity by Nephelometry
Monitoring station identifiers (3)

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