Hubbard County Lake Quality
Minnesota, 76 lakes, average grade B (Good)
Hubbard County in Minnesota carries 76 graded lakes — one of the lake-richer counties in our dataset. Coverage that dense usually reflects active lake-association sampling alongside state-agency monitoring. The county-wide average lands at B — solid water quality with most lakes carrying clear summer transparency and low-to-moderate phosphorus.
Many of the county's lakes are deep glacial basins — over 50 feet at their deepest point — which gives them thermal stratification and a buffer against summer warming. Dead Lake (grade A) is the cleanest in the county.
Quick Answers for Hubbard County
Planning a trip? Check special fishing regulations for Dead Lake, whether the fish are safe to eat, and the best times to fish — or browse the full Minnesota regulations index.
DNR Reports (214)
Minnesota DNR LakeFinder resources for lakes in Hubbard County. Showing 12 most recent — browse all reports →
- —Fisheries Lake Survey — WabooseFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Upper TwinFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Upper BottleFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Twenty-OneFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Third Crow WingFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Tenth Crow WingFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — StockingFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — SwampFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — SpiderFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — SpearheadFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — SkunkFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Sixth Crow WingFisheries Lake Survey · MN DNR LakeFinder
All Lakes in Hubbard County
| Rank | Lake | Grade | Clarity | Max Depth | Phosphorus |
|---|---|---|---|---|---|
| 1 | Dead Lake | A | 16 ft | 34 ft | 10 µg/L |
| 2 | Blue Lake | A | 17.4 ft | 84 ft | 7 µg/L |
| 3 | Spearhead Lake | A | 15 ft | 81 ft | - |
| 4 | Island Lake | A | 16.4 ft | 32 ft | 10 µg/L |
| 5 | Crooked Lake | A | 19.2 ft | - | 8 µg/L |
| 6 | Lower Bottle Lake | A | 15 ft | 110 ft | 10 µg/L |
| 7 | Upper Bottle Lake | A | 16 ft | 55 ft | 11 µg/L |
| 8 | Little Mantrap Lake | A | 17 ft | 54 ft | 8 µg/L |
| 9 | Mary Lake | A | 19.5 ft | 48 ft | - |
| 10 | Emma Lake | A | 19.5 ft | 50 ft | 10.5 µg/L |
| 11 | Skunk Lake | A | 17 ft | 55 ft | 11.5 µg/L |
| 12 | Spider (Ne Lake | A | 17.1 ft | 96 ft | 11 µg/L |
| 13 | Gilmore Lake | A | 20.5 ft | 54 ft | 9 µg/L |
| 14 | Owl Lake | A | 15 ft | 26 ft | - |
| 15 | Big Sand Lake | A | 23 ft | 135 ft | 7 µg/L |
| 16 | Little Sand Lake | A | 20 ft | 80 ft | 7 µg/L |
| 17 | Beauty Lake | A | 21 ft | 53 ft | - |
| 18 | Big Bass Lake | A | 19.4 ft | 60 ft | 5 µg/L |
| 19 | Bad Axe Lake | A | 15.4 ft | 39 ft | 14 µg/L |
| 20 | Ojibway Lake | A | 15.8 ft | 22 ft | 10 µg/L |
| 21 | Peysenske Lake | A | 15 ft | - | - |
| 22 | Belle Taine Lake | A | 22.8 ft | 56 ft | 7 µg/L |
| 23 | Waboose Lake | A | 16.8 ft | 32 ft | 10 µg/L |
| 24 | Twenty-One Lake | A | 17 ft | 51.5 ft | 10 µg/L |
| 25 | Gillett Lake | A | 19 ft | 49 ft | 8 µg/L |
| 26 | Long Lake | A | 11.2 ft | 135 ft | 10 µg/L |
| 27 | Deer Lake | A | 12.8 ft | 9 ft | 12 µg/L |
| 28 | Eagle Lake | A | 11.3 ft | 77 ft | 15 µg/L |
| 29 | Mantrap Lake | A | 12 ft | - | 17 µg/L |
| 30 | Benedict Lake | A | 11 ft | 91 ft | 8.5 µg/L |
| 31 | Mow Lake | A | 14.5 ft | 34 ft | 8 µg/L |
| 32 | Island Lake | A | 10.5 ft | 65 ft | 17 µg/L |
| 33 | Pickerel Lake | A | 11.2 ft | 26 ft | 14 µg/L |
| 34 | George Lake | A | 12.6 ft | 29 ft | 12 µg/L |
| 35 | Potato Lake | A | 12 ft | 87 ft | 11 µg/L |
| 36 | Duck Lake | A | 10.2 ft | 23 ft | 16 µg/L |
| 37 | Midge Lake | A | 18 ft | 24 ft | 20 µg/L |
| 38 | Hattie Lake | A | 13.1 ft | 39 ft | 18 µg/L |
| 39 | Moran Lake | A | 11.8 ft | 32 ft | 16 µg/L |
| 40 | Kabekona Lake | A | 11.8 ft | 133 ft | 11 µg/L |
| 41 | Nelson Lake | A | 14.5 ft | 19.5 ft | 12 µg/L |
| 42 | Hinds Lake | A | 13.8 ft | 36 ft | 11 µg/L |
| 43 | Fish Hook Lake | A | 10 ft | 76 ft | 13 µg/L |
| 44 | Boulder Lake | A | 10.8 ft | 28 ft | 16.5 µg/L |
| 45 | Tenth Crow Wing Lake | A | 10.5 ft | 40 ft | 13 µg/L |
| 46 | Big Stony Lake | A | 10.3 ft | 24 ft | 11 µg/L |
| 47 | Hennepin Lake | A | 10 ft | 14 ft | 16 µg/L |
| 48 | Shallow Lake | B | 8.2 ft | 10 ft | 11 µg/L |
| 49 | Ninth Crow Wing Lake | B | 9.5 ft | 65 ft | 15.5 µg/L |
| 50 | Ham Lake | B | 9.7 ft | 22 ft | 15 µg/L |
| 51 | Stocking Lake | B | 11.5 ft | 25 ft | 22 µg/L |
| 52 | Garfield Lake | B | 9.5 ft | 32 ft | 17.5 µg/L |
| 53 | Palmer Lake | B | 9.8 ft | 21 ft | 11 µg/L |
| 54 | Frielund Lake | B | 9.5 ft | - | 10 µg/L |
| 55 | Halverson Lake | B | 8.9 ft | 32 ft | 18 µg/L |
| 56 | Mccarty Lake | B | 9 ft | - | 14 µg/L |
| 57 | Lasalle Lake | B | 6.9 ft | 213 ft | 8 µg/L |
| 58 | Big Wolf Lake | B | 11.5 ft | 57 ft | - |
| 59 | Alice Lake | B | 7.2 ft | 21 ft | 21 µg/L |
| 60 | Upper Twin Lake | B | 6.9 ft | 12 ft | 26 µg/L |
| 61 | Plantagenet Lake | B | 6.7 ft | 65 ft | 20.5 µg/L |
| 62 | Fifth Crow Wing Lake | B | 9.5 ft | 35 ft | 20 µg/L |
| 63 | Fourth Crow Wing Lake | B | 8 ft | 10 ft | 22 µg/L |
| 64 | Sixth Crow Wing Lake | B | 8.9 ft | 40 ft | 21 µg/L |
| 65 | Schoolcraft Lake | B | 8.4 ft | 37 ft | 29 µg/L |
| 66 | Paine Lake | B | 4.9 ft | 6 ft | 15 µg/L |
| 67 | Portage Lake | C | 5.7 ft | 17 ft | 28 µg/L |
| 68 | Lost Lake | C | 8 ft | - | - |
| 69 | Seventh Crow Wing Lake | C | 6.6 ft | 42 ft | 25 µg/L |
| 70 | Eighth Crow Wing Lake | C | 5.7 ft | 30 ft | 28 µg/L |
| 71 | Potato Lake | C | 7 ft | 76 ft | - |
| 72 | Third Crow Wing Lake | C | 2.5 ft | 35 ft | 21 µg/L |
| 73 | Hart Lake | C | 4.5 ft | 13 ft | 46 µg/L |
| 74 | First Crow Wing Lake | C | 5.9 ft | 15 ft | 30 µg/L |
Source: EPA National Aquatic Resource Surveys, 2026.