Douglas County Lake Quality
Minnesota, 52 lakes, average grade B (Good)
Douglas County in Minnesota carries 52 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.
A meaningful share of Douglas's lakes break 50 feet of depth, which matters because deep lakes hold cooler water all summer and resist the resuspended-sediment problems that plague shallow basins. The county's best-graded lake is Lobster Lake (A).
Where to stay near Douglas County
Top-rated places to stay near Douglas County
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 to Douglas County?
Get lake water-quality report cards plus the best cabin & lodging deals near Douglas County — straight to your inbox. No spam, unsubscribe anytime.
Quick Answers for Douglas County
Planning a trip? Check special fishing regulations for Lobster Lake, whether the fish are safe to eat, and the best times to fish — or browse the full Minnesota regulations index.
Fishing in Douglas County
DNR Reports (40)
Minnesota DNR LakeFinder resources for lakes in Douglas County. browse all reports →
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — BlackwellFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — WinonaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — WhiskeyFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — VictoriaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — VermontFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — TurtleFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — StoweFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — StonyFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — SmithFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Red RockFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — RachelFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — PocketFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — North UnionFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — NelsonFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — MosesFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — MoonFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — MinaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — MiltonaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — MillFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — MaryFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — MapleFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — LouiseFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — LottieFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — LobsterFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Little ChippewaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — Le Homme DieuFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — LatokaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — JessieFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — IreneFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — IdaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — HenryFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — GenevaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — FreebornFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — DarlingFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — CrookedFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — CowdryFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — ChippewaFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — CarlosFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — BurgenFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — BrophyFisheries Lake Survey · MN DNR LakeFinder
All Lakes in Douglas County
52 lakes · 37 graded, 15 not rated37 graded lakes · 15 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Max Depth | Access |
|---|---|---|---|---|---|---|---|---|
| 1 | ALobster LakeDouglas | A | 13 ft | 20.5 µg/L | 3.6 µg/L | No recent samples | 65 ft | ✓ Public |
| 2 | ALatoka LakeDouglas | A | 19 ft | 11 µg/L | 2.2 µg/L | No recent samples | 108 ft | ✓ Public |
| 3 | AMaple LakeDouglas | A | 14.1 ft | 15 µg/L | 3.1 µg/L | No recent samples | 78 ft | ✓ Public |
| 4 | AChippewa LakeDouglas | A | 14.8 ft | 14 µg/L | 3.5 µg/L | No recent samples | 95 ft | ✓ Public |
| 5 | ACowdry LakeDouglas | A | 17.1 ft | 15 µg/L | 2.4 µg/L | No recent samples | 52 ft | ✓ Public |
| 6 | AVermont LakeDouglas | A | 14.1 ft | 12.5 µg/L | 4 µg/L | No recent samples | 59 ft | ✓ Public |
| 7 | ADarling LakeDouglas | A | 14 ft | 19 µg/L | 3.7 µg/L | No recent samples | 62 ft | Carry-in |
| 8 | AIda LakeDouglas | A | 16.4 ft | 14 µg/L | 3 µg/L | No recent samples | 106 ft | ✓ Public |
| 9 | ACrooked LakeDouglas | A | 14 ft | 20 µg/L | 6.6 µg/L | No recent samples | 35 ft | ✓ Public |
| 10 | AMiltona LakeDouglas | A | 18.7 ft | 18 µg/L | 2.9 µg/L | No recent samples | 105 ft | ✓ Public |
| 11 | AMary LakeDouglas | A | 10.5 ft | 20 µg/L | 5.5 µg/L | No recent samples | 40 ft | ✓ Public |
| 12 | ALe Homme Dieu LakeDouglas | A | 13.1 ft | 21 µg/L | 3.7 µg/L | No recent samples | 85 ft | ✓ Public |
| 13 | AGeneva LakeDouglas | A | 14.1 ft | 21.5 µg/L | 4.9 µg/L | No recent samples | 63 ft | ✓ Public |
| 14 | ARachel LakeDouglas | A | 7.9 ft | 22.5 µg/L | 3.9 µg/L | No recent samples | 65 ft | ✓ Public |
| 15 | AAndrew LakeDouglas | A | 13.9 ft | 17 µg/L | 4 µg/L | No recent samples | 83 ft | ✓ Public |
| 16 | AMoon LakeDouglas | A | 21 ft | 11 µg/L | 1.8 µg/L | No recent samples | 38 ft | ✓ Public |
| 17 | ALottie LakeDouglas | A | 16.1 ft | 15.5 µg/L | 2.2 µg/L | No recent samples | 31 ft | ✓ Public |
| 18 | ACarlos LakeDouglas | A | 18 ft | 13.5 µg/L | 2.1 µg/L | No recent samples | 163 ft | ✓ Public |
| 19 | ABrophy LakeDouglas | A | 15.4 ft | 21 µg/L | 2.7 µg/L | No recent samples | 44 ft | ✓ Public |
| 20 | ABurgen LakeDouglas | A | 12 ft | 14.5 µg/L | 4.3 µg/L | No recent samples | 43 ft | ✓ Public |
| 21 | ASouth Oscar LakeDouglas | A | 16.7 ft | 20 µg/L | 2.9 µg/L | No recent samples | No recent samples | ✓ Public |
| 22 | AStoney LakeDouglas | A | 19 ft | 13 µg/L | 2.8 µg/L | No recent samples | 58 ft | Carry-in |
| 23 | ALouise LakeDouglas | A | 14.5 ft | 16 µg/L | 5.4 µg/L | No recent samples | 33 ft | ✓ Public |
| 24 | ANorth Union LakeDouglas | A | 20.3 ft | 13.5 µg/L | 2.4 µg/L | No recent samples | 42 ft | Carry-in |
| 25 | ABlackwell LakeDouglas | A | 11.5 ft | 14.5 µg/L | 5.8 µg/L | No recent samples | 42 ft | ✓ Public |
| 26 | BIrene LakeDouglas | B | 9.8 ft | 24 µg/L | 7.4 µg/L | No recent samples | 44 ft | ✓ Public |
| 27 | CMill LakeDouglas | C | 11 ft | 23 µg/L | 9 µg/L | No recent samples | 40 ft | ✓ Public |
| 28 | CVictoria LakeDouglas | C | 10.2 ft | 21 µg/L | 7.5 µg/L | No recent samples | 60 ft | ✓ Public |
| 29 | CPocket LakeDouglas | C | 8.5 ft | 25 µg/L | 7.1 µg/L | No recent samples | 40 ft | ✓ Public |
| 30 | CHenry LakeDouglas | C | 5.9 ft | 25 µg/L | 12.5 µg/L | No recent samples | 32 ft | Carry-in |
| 31 | DAgnes LakeDouglas | D | 5.4 ft | 37.5 µg/L | 15 µg/L | No recent samples | 31 ft | ✓ Public |
| 32 | DJessie LakeDouglas | D | 6.8 ft | 51.5 µg/L | 27.1 µg/L | No recent samples | 26 ft | Carry-in |
| 33 | DFreeborn LakeDouglas | D | 4.6 ft | 35 µg/L | 16.9 µg/L | No recent samples | 18 ft | ✓ Public |
| 34 | FRed Rock LakeDouglas | F | 3.6 ft | 55 µg/L | 33.7 µg/L | No recent samples | 22 ft | ✓ Public |
| 35 | FStowe LakeDouglas | F | 2.6 ft | 94 µg/L | 70.3 µg/L | No recent samples | 14 ft | ✓ Public |
| 36 | FSmith LakeDouglas | F | 3.6 ft | 58 µg/L | 36 µg/L | No recent samples | 30 ft | ✓ Public |
| 37 | FWinona LakeDouglas | F | 2 ft | 88 µg/L | 48.5 µg/L | No recent samples | 9 ft | ✓ Public |
| NRUnnamed LakeDouglas | NR | 3.3 ft | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| NRVenus LakeDouglas | NR | 3 ft | No recent samples | No recent samples | No recent samples | No recent samples | Carry-in | |
| NRTurtle LakeDouglas | NR | 10.5 ft | No recent samples | No recent samples | No recent samples | 21 ft | ✓ Public | |
| NRMina LakeDouglas | NR | 16 ft | No recent samples | No recent samples | No recent samples | 123 ft | ✓ Public | |
| NRWolf LakeDouglas | NR | 3.6 ft | 44 µg/L | 17 µg/L | No recent samples | 42 ft | ✓ Public | |
| NRWhiskey LakeDouglas | NR | 18.8 ft | No recent samples | No recent samples | No recent samples | 46 ft | ✓ Public | |
| NRStony LakeDouglas | NR | No recent samples | No recent samples | No recent samples | No recent samples | 58 ft | Carry-in | |
| NRNelson LakeDouglas | NR | 11 ft | No recent samples | No recent samples | No recent samples | 52 ft | ✓ Public | |
| NRStockhaven LakeDouglas | NR | 3.3 ft | No recent samples | No recent samples | No recent samples | No recent samples | Carry-in | |
| NRMoses LakeDouglas | NR | 16.5 ft | No recent samples | No recent samples | No recent samples | 32 ft | ✓ Public | |
| NRAaron LakeDouglas | NR | 7 ft | No recent samples | No recent samples | No recent samples | 16 ft | ✓ Public | |
| NRLittle Chippewa LakeDouglas | NR | 9.3 ft | No recent samples | No recent samples | No recent samples | 24 ft | ✓ Public | |
| NRAlvin LakeDouglas | NR | 10.2 ft | No recent samples | No recent samples | No recent samples | 163 ft | ✓ Public | |
| NRKensington Rearing PondDouglas | NR | 1.3 ft | 42 µg/L | 22.5 µg/L | No recent samples | No recent samples | Not recorded | |
| NRSt. Louis Bay LakeDouglas | NR | 1.3 ft | 70.5 µg/L | 1.8 µg/L | No recent samples | No recent samples | ✓ Public |
NR = not rated: the monitoring record does not meet the evidence bar for a grade. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
Lake Match
Which lake suits how you actually use one?
Six questions — swimming, fishing, quiet, cabins, drive time — and a shortlist of graded lakes that fit, with the water quality behind each one.
Other Counties in Minnesota
See how Douglas County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 39 states and 2 Canadian provinces.
Source: EPA National Aquatic Resource Surveys, 2026.