1
BLake 37
St. Charles County, Wisconsin · 3.5 mi from Lake 35
- +Two grade letters higher (D → B)
- ++1.3 ft water clarity
Cleaner Lakes Than Lake 35
5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Lake 35 carries a Grade D (Poor) water quality score. Within 30 miles, 5 lakes hold a higher grade. Lake 37 (St. Charles County, Grade B, 3.5 mi away) is the closest meaningful upgrade.
2
DL. Ste. Louise Lake
St. Charles County, Wisconsin · 6.6 mi from Lake 35
- +Higher overall water quality score
3
DL. Ste. Louise Lake
St. Charles County, Wisconsin · 6.8 mi from Lake 35
- +Higher overall water quality score
4
DCallaway Fork Lake
St. Charles County, Wisconsin · 6.9 mi from Lake 35
- +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.