1
ALong Lake
Becker County, Minnesota · 0.9 mi from St. Clair Lake
- +Two grade letters higher (C → A)
- ++15.4 ft water clarity
- +Lower phosphorus (8 vs 50 µg/L)
Cleaner Lakes Than St. Clair Lake
5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
St. Clair Lake carries a Grade C (Fair) water quality score. Within 30 miles, 5 lakes hold a higher grade. Long Lake (Becker County, Grade A, 0.9 mi away) is the closest meaningful upgrade.
2
ADetroit Lake
Becker County, Minnesota · 2.1 mi from St. Clair Lake
- +Two grade letters higher (C → A)
- ++9.4 ft water clarity
- +Lower phosphorus (17 vs 50 µg/L)
3
AFox Lake
Becker County, Minnesota · 2.2 mi from St. Clair Lake
- +Two grade letters higher (C → A)
- ++8.9 ft water clarity
- +Lower phosphorus (14.5 vs 50 µg/L)
4
BMuskrat Lake
Becker County, Minnesota · 1.4 mi from St. Clair Lake
- +Higher grade (C → B)
- ++6.9 ft water clarity
- +Lower phosphorus (25.5 vs 50 µg/L)
5
BSallie Lake
Becker County, Minnesota · 2.1 mi from St. Clair Lake
- +Higher grade (C → B)
- ++7.6 ft water clarity
- +Lower phosphorus (21 vs 50 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.