Cleaner Lakes Than Five Island Lake
4 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Five Island Lake carries a Grade F (Very Poor) water quality score. Within 30 miles, 4 lakes hold a higher grade. Lost Island Lake (Palo Alto County, Grade D, 12.4 mi away) is the closest meaningful upgrade.
2
DStolley Pit Lake
Clay County, Wisconsin · 26.7 mi from Five Island Lake
- +Higher grade (F → D)
- ++1.1 ft water clarity
3
DLake Minnewashta
Dickinson County, Wisconsin · 27.8 mi from Five Island Lake
- +Higher grade (F → D)
- ++1.2 ft water clarity
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.