1
AFish Lake
Le Sueur County, Minnesota · 4 mi from German Lake
- +Two grade letters higher (D → A)
- ++8.6 ft water clarity
- +Lower phosphorus (18 vs 84 µg/L)
Cleaner Lakes Than German Lake
4 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
German Lake carries a Grade D (Poor) water quality score. Within 30 miles, 4 lakes hold a higher grade. Fish Lake (Le Sueur County, Grade A, 4 mi away) is the closest meaningful upgrade.
2
BRoemhildts Lake
Le Sueur County, Minnesota · 1.1 mi from German Lake
- +Two grade letters higher (D → B)
- ++7 ft water clarity
- +Lower phosphorus (21 vs 84 µg/L)
3
CFrances Lake
Le Sueur County, Minnesota · 4.3 mi from German Lake
- +Higher grade (D → C)
- ++2.8 ft water clarity
- +Lower phosphorus (25 vs 84 µg/L)
4
DHow 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.