1
CFtrlk0968dw Lake
Brule County, Wisconsin · 18.4 mi from Ftrlk0940dw Lake
- +Higher overall water quality score
- +Lower phosphorus (10 vs 25 µg/L)
Cleaner Lakes Than Ftrlk0940dw Lake
2 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Ftrlk0940dw Lake carries a Grade C (Fair) water quality score. Within 30 miles, 2 lakes hold a higher grade. Ftrlk0968dw Lake (Brule County, Grade C, 18.4 mi away) is the closest meaningful upgrade.
2
CFtrlk0911dw Lake
Gregory County, Wisconsin · 25.3 mi from Ftrlk0940dw Lake
- +Higher overall water quality score
- ++3.1 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.