Palmer Lake
Hubbard County, MinnesotaMesotrophic
On the LakeGrade scale Palmer Lake grades a B, with clarity at 9.8 ft and 11 µg/L of phosphorus placing it above the Minnesota median. Secchi readings are the weakest of the three parameters, suggesting suspended sediment or algal biomass dominates the optical signal.
The lake sits in the mesotrophic zone — the band where most well-managed Minnesota lakes fall. The lake bottoms out at 21 ft — a moderate depth that supports a warm-water fishery without the year-round cold refuge a deeper basin provides. The lake's 146 acres and 2.7 miles of shoreline put it in the mid-range bucket — large enough for varied use, small enough that watershed inputs reach the whole basin. Palmer Lake sits at rank 57 of 77 in Hubbard County, in the lower half of the local distribution.
Palmer Lake has no invasive species recorded in Minnesota state databases as of 2024, though prevention practices still apply at all access points. Walleye are documented at Palmer Lake, one of 10 fish species on record for the lake. Public access is available — the lake is on the Minnesota PCA public-access list. Ice-out has been recorded 19 times at Palmer Lake, with a median around Apr 20. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-10-19. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 9.8 ft. Phosphorus level: 11 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.8 ft | C |
| Phosphorus | 11 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 21 ft |
| Surface Area | 146.25 acres |
| Shoreline Length | 2.7 mi |
| Littoral Zone | 63% |
| Public Access | Yes |
Fish Species
Click a species to see all Minnesota and Wisconsin lakes where it is found.
→ Best fishing times for Palmer Lake (14-day solunar calendar)
→ Is it safe to eat fish from Palmer Lake? (mercury & PFAS guide)
→ Palmer Lake fishing regulations (limits, seasons, special rules)
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.065 m/yr | 5 |
| Phosphorus | ↓ Declining | +0.6 µg/L/yr | 5 |
Ice Season
Historical ice data from Minnesota DNR (33 observations).
Estimated open water season: 220 days
| Earliest | Latest | |
|---|---|---|
| Ice-Out | 2024-03-15 (2024) | 2002-05-15 (2002) |
| Ice-In | 2018-11-10 (2018) | 2001-12-08 (2001) |
Most recent ice-out: 2025-04-13
Location
County Ranking
Ranked #57 of 77 lakes in Hubbard County
Nearby Lakes in Hubbard County
More Minnesota Lake Rankings
Other Grade B Lakes in Minnesota
Mesotrophic Lakes in Minnesota
DNR Fisheries Survey Summary
12 surveys on file from MN DNR Fisheries. Most recent: 2021-08-02 (Targeted Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Bluntnose Minnow | 56.30 | — |
| Bluegill | 28.90 | 0.17 lb |
| IOD | 23.63 | — |
| Yellow Perch | 17.22 | 0.18 lb |
| Largemouth Bass | 13.33 | 0.8 lb |
| JND | 9.54 | — |
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.
Bluegill
Yellow Perch
Largemouth Bass
From the 2021-08-02 survey
A targeted survey of nearshore fish species in Palmer Lake was conducted on August 2, 2021, by Index of Biological Integrity (IBI) Program staff. Sampling sites were evenly spaced around the lake, and each was sampled by backpack electrofishing and seining with a 50-foot or 15-foot seine, where possible. Backpack…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Palmer Lake. 4 reports on file.
- —Fisheries Lake Survey — PalmerFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Palmer (1274)Aquatic Plant Report · MN DNR LakeFinder
- —Fish Stocking History — PalmerFish Stocking History · MN DNR LakeFinder
- —Public Water Access Sites — PalmerPublic Water Access Sites · MN DNR LakeFinder
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Lake details from Minnesota DNR LakeFinder
Ice data from Minnesota DNR Climate
Most recent sample: 2024-10-19
Monitoring stations: 1