Plantagenet Lake
Plantagenet Lake in Hubbard County, Minnesota has a water quality grade of A (Excellent). Water clarity: 7 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 6.7 µg/L. Maximum depth: 65 ft. Surface area: 2530.81 acres.
- Clarity
- 7 ft
- Typical in August
- 66°F
- Max depth
- 65 ft
- Area
- 2,531 acres
- Type
- Mesotrophic
- Trend
- ↑ Improving
- Public access
- Yes
- Ice-out
- Apr 24
- Open water
- 220 days
Next lake in Hubbard County
Free interactive depth-contour map of Plantagenet Lake, reaching a maximum surveyed depth of 65 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Minnesota DNR.
Plantagenet Lake is a 2,531-acre mesotrophic lake in Hubbard County, Minnesota with a maximum depth of 65 feet (25-foot average). Water quality is graded A based on 2 sampling years through 2025. Overall water quality is improving over recent sampling years. The lake supports 20 documented fish species including black crappie, bluegill, and bowfin (dogfish). Public access is available with 2 public boat landings. Compared to the 67 other monitored lakes in Hubbard County, Plantagenet Lake ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-10-18. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLow 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
Water Quality Grade: A (Excellent)
Moderate clarity, visible to about 7 ft. Phosphorus level: 20 µg/L. Chlorophyll-a: 6.7 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7 ft | Not graded |
| Phosphorus | 20 µg/L | Good |
| Chlorophyll-a (Algae) | 6.7 µg/L | Good |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Plantagenet Lake
Compare lakeside cabins, hotels, and vacation rentals near Plantagenet Lake in Hubbard 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.
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Water Temperature
Plantagenet Lake typically sits around 66°F at the surface in August. Summer average is about 68°F. Usually warmest in Jul (about 70°F) and coldest in Oct (about 54°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 144 field readings (2010–2025) via the EPA Water Quality Portal. See the full Plantagenet Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 65 ft |
| Average Depth | 25 ft |
| Surface Area | 2,531 acres |
| Shoreline Length | 11 mi |
| Littoral Zone | 39% |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Plantagenet Lake (South)Public
- Plantagenet Lake (North)Public
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Plantagenet 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.
DNR Fisheries Survey Summary
13 surveys on file from MN DNR Fisheries. Most recent: 2024-07-31 (Targeted Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Muskellunge | 581.98 | 17.58 lb |
| MMS | 125.61 | — |
| Yellow Perch | 72.39 | 0.2 lb |
| CSH | 37.50 | — |
| BKF | 25.86 | — |
| Bluntnose Minnow | 24.91 | — |
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.
Muskellunge
Yellow Perch
From the 2024-07-31 survey
Temperature and dissolved oxygen profiles were collected in the deepest basin in Lake Plantagenet on July 31, 2024, to evaluate the quantity and quality of cold, oxygenated water (i.e., oxythermal habitat) available to Cisco, also known as Tullibee, the most sensitive coldwater species present in this lake. Cisco…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Plantagenet Lake. 4 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — PlantagenetFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Plantagenet (1252)Aquatic Plant Report · MN DNR LakeFinder
- —Fish Stocking History — PlantagenetFish Stocking History · MN DNR LakeFinder
- —Public Water Access Sites — PlantagenetPublic Water Access Sites · MN DNR LakeFinder
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.197 m/yr | 6 |
| Phosphorus | ↑ Improving | -1.07 µg/L/yr | 6 |
| Chlorophyll-a | ↓ Declining | +0.21 µg/L/yr | 6 |
Ice Season
Historical ice data from Minnesota DNR (21 observations).
Estimated open water season: 220 days
| Earliest | Latest | |
|---|---|---|
| Ice-Out | 2012-03-27 (2012) | 2008-05-08 (2008) |
| Ice-In | 2018-11-20 (2018) | 2004-12-14 (2004) |
Most recent ice-out: 2025-04-23
EPA Impairment Status
Plantagenet Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN29-0156-00 · Official waterbody report
County Ranking
Ranked #23 of 68 lakes in Hubbard County
Nearby Lakes in Hubbard County
Frequently asked questions about Plantagenet Lake
What is the water quality grade for Plantagenet Lake?
- Plantagenet Lake in Hubbard County, Minnesota has a water quality grade of A (Excellent). Water clarity: 7 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 6.7 µg/L. Maximum depth: 65 ft. Surface area: 2530.81 acres.
Is Plantagenet Lake safe to swim in?
- Excellent for swimming, crystal clear water with minimal algae. Plantagenet Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 6.7 µg/L. Always check local health department advisories before swimming.
What is the water temperature of Plantagenet Lake?
- Plantagenet Lake typically sits around 66°F at the surface in August, from 144 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
How deep is Plantagenet Lake?
- Plantagenet Lake has a maximum depth of 65 feet and an average depth of 25 feet. The lake covers 2530.81 acres.
What fish are in Plantagenet Lake?
- Fish species found in Plantagenet Lake include black crappie, bluegill, bowfin (dogfish), brown bullhead, burbot, green sunfish, hybrid sunfish, largemouth bass, muskellunge, northern pike, pumpkinseed, redhorse, rock bass, shorthead redhorse, sunfish, tullibee (cisco), walleye, white sucker, yellow bullhead, yellow perch. Plantagenet Lake is located in Hubbard County, Minnesota.
When does Plantagenet Lake thaw?
- Plantagenet Lake typically has ice-out around Apr 24. Ice typically forms around Nov 30. The open water season is approximately 220 days.
Are there boat ramps on Plantagenet Lake?
- Plantagenet Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Plantagenet Lake (South), Plantagenet Lake (North). Public access is listed as yes.
Explore Plantagenet Lake across LakeGrade
Depth, room, public access, and the state wake-sport rules
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Fish species and best lakes in Hubbard County
Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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Where this data comes from
141 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 Water
MNPCA141 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
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