Chisago County Lake Quality
Minnesota, 31 lakes, average grade C (Fair)
There are 31 graded lakes in Chisago County. The mix is varied enough that the county-level average tells you the broad strokes, not the choose-this-cabin specifics. Chisago County averages to a C. The distribution behind that average matters more than the letter: a few stressed lakes versus many decent ones can produce the same average as the inverse.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Stauffer Lake (A); the most-stressed is Pioneer Lake (F).
Quick Answers for Chisago County
Planning a trip? Check special fishing regulations for Stauffer Lake, whether the fish are safe to eat, and the best times to fish — or browse the full Minnesota regulations index.
DNR Reports (50)
Minnesota DNR LakeFinder resources for lakes in Chisago County. Showing 12 most recent — browse all reports →
- —Fisheries Lake Survey — SunriseFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — SpiderFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — South LindstromFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — South CenterFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — East RushFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — RabourFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — PioneerFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — OgrensFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — North LindstromFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — North Center LakeFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — MandallFisheries Lake Survey · MN DNR LakeFinder
- —Fisheries Lake Survey — LittleFisheries Lake Survey · MN DNR LakeFinder
All Lakes in Chisago County
| Rank | Lake | Grade | Clarity | Max Depth | Phosphorus |
|---|---|---|---|---|---|
| 1 | Stauffer Lake | A | 14.1 ft | - | 11.5 µg/L |
| 2 | Fish Lake | B | 9.7 ft | 57 ft | 15 µg/L |
| 3 | Blooms Lake | B | 6.9 ft | 41 ft | 19 µg/L |
| 4 | North Lindstrom Lake | B | 7.2 ft | 29 ft | 18 µg/L |
| 5 | Sunrise Lake | B | 7.7 ft | 21 ft | 14.7 µg/L |
| 6 | School Lake | B | 7.9 ft | - | 20 µg/L |
| 7 | Little Horseshoe Lake | B | 7.9 ft | 43 ft | 16 µg/L |
| 8 | Chain Lake | B | 5.9 ft | - | 16 µg/L |
| 9 | Spider Lake | B | 6.5 ft | 9 ft | 23.5 µg/L |
| 10 | South Lindstrom Lake | B | 5.2 ft | 34 ft | 28 µg/L |
| 11 | Mattson Lake | B | 3.9 ft | - | 16 µg/L |
| 12 | Comfort Lake | B | 7 ft | 47 ft | 28.5 µg/L |
| 13 | Horseshoe Lake | C | 4.6 ft | 53 ft | 28.5 µg/L |
| 14 | Green Lake | C | 6 ft | 32 ft | 26 µg/L |
| 15 | Kroon Lake | C | 5.9 ft | 30 ft | 23 µg/L |
| 16 | Goose Lake | C | 4.5 ft | 55 ft | 33 µg/L |
| 17 | South Center Lake | C | 4.9 ft | 109 ft | 29 µg/L |
| 18 | Chisago Lake | C | 4 ft | 34 ft | 32 µg/L |
| 19 | North Center Lake | C | 3.5 ft | 46 ft | 40 µg/L |
| 20 | Swamp Lake | D | 1.6 ft | - | 41 µg/L |
| 21 | Mandall Lake | D | 3 ft | 26 ft | 57.5 µg/L |
| 22 | Ogrens Lake | D | 2.6 ft | 41 ft | 61.5 µg/L |
| 23 | Rabour Lake | D | 3 ft | 43 ft | 54 µg/L |
| 24 | Third Lake | D | 5.5 ft | - | - |
| 25 | Little Lake | D | 3 ft | 23 ft | 68 µg/L |
| 26 | Rush Lake | D | 3 ft | 24 ft | 61 µg/L |
| 27 | Linn Lake | D | 1.6 ft | 15 ft | 78.5 µg/L |
| 28 | Emily Lake | F | 1.6 ft | - | 155 µg/L |
| 29 | Wallmark Lake | F | 1.6 ft | - | 115 µg/L |
| 30 | Pioneer Lake | F | 2 ft | 8 ft | 110 µg/L |
| 31 | Fourth Lake | F | - | - | 120 µg/L |
Source: EPA National Aquatic Resource Surveys, 2026.