1
BFish Lake
Chisago County, Minnesota · 1.6 mi from Horseshoe Lake
- +Higher grade (C → B)
- ++5.1 ft water clarity
- +Lower phosphorus (15 vs 28.5 µg/L)
Cleaner Lakes Than Horseshoe Lake
3 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Horseshoe Lake carries a Grade C (Fair) water quality score. Within 30 miles, 3 lakes hold a higher grade. Fish Lake (Chisago County, Grade B, 1.6 mi away) is the closest meaningful upgrade.
2
BLittle Horseshoe Lake
Chisago County, Minnesota · 0.3 mi from Horseshoe Lake
- +Higher grade (C → B)
- ++3.3 ft water clarity
- +Lower phosphorus (16 vs 28.5 µg/L)
3
BChain Lake
Chisago County, Minnesota · 4.1 mi from Horseshoe Lake
- +Higher grade (C → B)
- ++1.3 ft water clarity
- +Lower phosphorus (16 vs 28.5 µg/L)
How this list is built
Every lake on LakeQuality has a calculated grade from EPA Water Quality Portal samples — secchi depth, total phosphorus, and chlorophyll-a measured against Metropolitan Council thresholds. To suggest cleaner alternatives, we filter lakes within 30 miles to those with a strictly higher numeric score, then rank by grade improvement with a small proximity tiebreak. Cross-state and limited-data lakes are excluded so the list stays locally relevant.