1
AWem-08 Lake
Washington County, Wisconsin · 28.5 mi from Wem-07 Lake
- +Two grade letters higher (F → A)
- ++7.2 ft water clarity
Cleaner Lakes Than Wem-07 Lake
5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Wem-07 Lake carries a Grade F (Very Poor) water quality score. Within 30 miles, 5 lakes hold a higher grade. Wem-08 Lake (Washington County, Grade A, 28.5 mi away) is the closest meaningful upgrade.
2
AWem-09 Lake
Washington County, Wisconsin · 29.1 mi from Wem-07 Lake
- +Two grade letters higher (F → A)
- ++10.2 ft water clarity
3
BWem-09 Lake
Jackson County, Wisconsin · 23 mi from Wem-07 Lake
- +Two grade letters higher (F → B)
- ++3.6 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.