1
DSpringbrook Lake
Guthrie County, Wisconsin · 21.7 mi from Spring Lake Max Depth
- +Higher grade (F → D)
- ++2.3 ft water clarity
Cleaner Lakes Than Spring Lake Max Depth
1 higher-graded lake within 30 miles, ranked by grade improvement and proximity.
Spring Lake Max Depth carries a Grade F (Very Poor) water quality score. Within 30 miles, 1 lake holds a higher grade. Springbrook Lake (Guthrie County, Grade D, 21.7 mi away) is the closest meaningful upgrade.
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.