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LakeQuality

Pokegama Lake

A
Grade A — Excellent
Excellent · #14 of 72 lakes in the county · 16.1 ft clear · Oligotrophic · 6,721 acres
Oligotrophic

Pokegama Lake in Itasca County, Minnesota has a water quality grade of A (Excellent). Water clarity: 16.1 ft visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 2.3 µg/L. Maximum depth: 112 ft. Surface area: 6721.3 acres.

Clarity
16.1 ft
Max depth
112 ft
Area
6,721 acres
Type
Oligotrophic
Trend
Improving
Public access
Yes
Ice-out
Apr 27

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Pokegama Lake is a 6,721-acre cold, clear oligotrophic lake in Itasca County, Minnesota with a maximum depth of 112 feet. Water quality is graded A based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. The lake supports 19 documented fish species including black crappie, bluegill, and bowfin (dogfish). Public access is available with 3 public boat landings. Compared to the 71 other monitored lakes in Itasca County, Pokegama Lake ranks #14 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-10-06. 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 Grand Rapids

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Water Quality Grade: A (Excellent)

Crystal clear, you can see 16.1 ft down. Phosphorus level: 12 µg/L. Chlorophyll-a: 2.3 µg/L. Trophic State Index: 39.

MetricValueGrade
Water Clarity (Secchi Depth)16.1 ftNot graded
Phosphorus12 µg/LGood
Chlorophyll-a (Algae)2.3 µg/LGood
Trophic State Index (TSI)39Oligotrophic

Low nutrients, clear water, excellent for swimming

Where to stay near Pokegama Lake

Compare lakeside cabins, hotels, and vacation rentals near Pokegama Lake in Itasca 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 Pokegama 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 trip? Cabins and lodging at Pokegama Lake · more Minnesota lake trips

Blue-Green Algae (Cyanobacteria)

No current satellite reading

There’s no recent EPA CyAN cyanobacteria estimate for Pokegama Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was moderate (39,084 cells/mL) on November 29, 2025.

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

Lake Details

CharacteristicValue
Maximum Depth112 ft
Surface Area6,721 acres
Shoreline Length57.2 mi
Littoral Zone29%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
73 sq mi
Elevation
1,263 ft

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

Recreation & Access

3
Boat Landings
Yes
Public Access
  • Wood TickPublic
  • LaPlant RoadPublic
  • Kings LandingPublic

Fish Species

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

Fishing Pokegama 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.

Lake Trout(since 1974)

Source: USGS Nonindigenous Aquatic Species (NAS) Database. Hover a chip to see scientific name, ecological context, status, and first-observed year.

DNR Fisheries Survey Summary

22 surveys on file from MN DNR Fisheries. Most recent: 2024-06-17 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Yellow Perch20.680.12 lb
Bluegill8.540.21 lb
CNM6.66
Largemouth Bass6.640.83 lb
RBS4.910.04 lb
Smallmouth Bass4.681.39 lb

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

Length Distributions

Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.

Yellow Perch

9 fish · 610 in · 2024-06-17
530678910

Bluegill

354 fish · 39 in · 2024-06-17
103520trophy 103456789

Largemouth Bass

1 fish · 22 in · 2023-10-09
102

RBS

106 fish · 45 in · 2023-10-09
9146045

From the 2024-06-17 survey

Pokegama Lake is in ecological lake class 22 and is located just southwest of Grand Rapids, MN, in the Mississippi River Watershed. The lake is 6,721 acres and has a maximum depth of 112 feet. Area Fisheries staff conducted a targeted survey setting 15 trap nets on 16 June, 2024 and began nearshore fish species…

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 Pokegama Lake. 5 reports on file.

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

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.159 m/yr5
Phosphorus Stable-0.15 µg/L/yr5
Chlorophyll-a Improving-0.28 µg/L/yr5
See year-by-year chart →

Ice Season

Historical ice data from Minnesota DNR (70 observations).

Typical Ice-Out
Apr 27
EarliestLatest
Ice-Out2012-03-27 (2012)2013-05-17 (2013)
Ice-In2017-12-07 (2017)2017-12-07 (2017)

Most recent ice-out: 2023-05-06

Reservoir Info (USACE NID)

Pokegama Lake is a man-made reservoir impounded by the Pokegama Dam - Dikes 4 and 5 (completed 1884), built primarily for recreation on the MISSISSIPPI; concrete-type dam, 17 ft tall and 385 ft long.

Surface area
13,000 ac
Normal storage
82,000 ac-ft
Max storage
120,000 ac-ft
Drainage area
660 sq mi
Hazard class
Significant
Owner
USACE - St. Paul District

All listed purposes: Recreation;Navigation;Fish and Wildlife Pond;Water Supply;Flood Risk Reduction.

Source: USACE National Inventory of Dams, NID ID MN00584 · Operator website

EPA Impairment Status

Pokegama 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 MN31-0532-01 · Official waterbody report · Matched by proximity (2.63 km)

County Ranking

Ranked #14 of 72 lakes in Itasca County

Nearby Lakes in Itasca County

Frequently asked questions about Pokegama Lake

What is the water quality grade for Pokegama Lake?

Pokegama Lake in Itasca County, Minnesota has a water quality grade of A (Excellent). Water clarity: 16.1 ft visibility. Phosphorus: 12 µg/L. Chlorophyll-a (algae): 2.3 µg/L. Maximum depth: 112 ft. Surface area: 6721.3 acres.

Is Pokegama Lake safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Pokegama Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 2.3 µg/L. Always check local health department advisories before swimming.

How deep is Pokegama Lake?

Pokegama Lake has a maximum depth of 112 feet. The lake covers 6721.3 acres.

What fish are in Pokegama Lake?

Fish species found in Pokegama Lake include black crappie, bluegill, bowfin (dogfish), brown bullhead, green sunfish, hybrid sunfish, largemouth bass, muskellunge, northern pike, pumpkinseed, rainbow smelt, rock bass, silver redhorse, smallmouth bass, tullibee (cisco), walleye, white sucker, yellow bullhead, yellow perch. Pokegama Lake is located in Itasca County, Minnesota.

When does Pokegama Lake thaw?

Pokegama Lake typically has ice-out around Apr 27.

Does Pokegama Lake have blue-green algae?

There is no recent EPA CyAN cyanobacteria estimate for Pokegama Lake (clouds, ice, or an off-season gap). The most recent reading was moderate (39,084 cells/mL). Blue-green algae can appear and clear within days, so check Minnesota's current advisory before swimming.

Are there boat ramps on Pokegama Lake?

Pokegama Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Wood Tick, LaPlant Road, Kings Landing. Public access is listed as yes.

Oligotrophic Lakes in Minnesota

Compare Pokegama Lake With Nearby Lakes

Where this data comes from

574 measurements from 12 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA574 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 (12)

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

Ice data from Minnesota DNR Climate