1
DUnnamed Lake
Big Stone County, Minnesota · 5.6 mi from East Toqua Lake
- +Higher grade (F → D)
- ++5.3 ft water clarity
- +Lower phosphorus (167.5 vs 720 µg/L)
Cleaner Lakes Than East Toqua Lake
2 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
East Toqua Lake carries a Grade F (Very Poor) water quality score. Within 30 miles, 2 lakes hold a higher grade. Unnamed Lake (Big Stone County, Grade D, 5.6 mi away) is the closest meaningful upgrade.
2
DBig Stone Lake
Big Stone County, Minnesota · 14.3 mi from East Toqua Lake
- +Higher grade (F → D)
- ++2.3 ft water clarity
- +Lower phosphorus (217 vs 720 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.