1
AWelsh Lake
Cass County, Minnesota · 7.7 mi from Lower Sucker Lake
- +Higher grade (B → A)
- ++5.2 ft water clarity
Cleaner Lakes Than Lower Sucker Lake
4 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Lower Sucker Lake carries a Grade B (Good) water quality score. Within 30 miles, 4 lakes hold a higher grade. Welsh Lake (Cass County, Grade A, 7.7 mi away) is the closest meaningful upgrade.
2
AWelch Lake
Cass County, Minnesota · 7.7 mi from Lower Sucker Lake
- +Higher grade (B → A)
- ++4.2 ft water clarity
- +Lower phosphorus (11 vs 22 µg/L)
3
BUpper Sucker Lake
Cass County, Minnesota · 2.7 mi from Lower Sucker Lake
- +Higher overall water quality score
- ++2.5 ft water clarity
4
BSucker Bay Lake
Cass County, Minnesota · 8.1 mi from Lower Sucker Lake
- +Higher overall water quality score
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.