1
ACrooked Lake
Stearns County, Minnesota · 2.4 mi from Warner Lake
- +Two grade letters higher (C → A)
- ++11 ft water clarity
- +Lower phosphorus (14 vs 23 µg/L)
Cleaner Lakes Than Warner Lake
5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Warner Lake carries a Grade C (Fair) water quality score. Within 30 miles, 5 lakes hold a higher grade. Crooked Lake (Stearns County, Grade A, 2.4 mi away) is the closest meaningful upgrade.
2
ANixon Lake
Wright County, Minnesota · 4.1 mi from Warner Lake
- +Two grade letters higher (C → A)
- ++9.1 ft water clarity
- +Lower phosphorus (11 vs 23 µg/L)
3
BLong Lake
Stearns County, Minnesota · 1.1 mi from Warner Lake
- +Higher grade (C → B)
- ++9 ft water clarity
- +Lower phosphorus (17 vs 23 µg/L)
4
BUnnamed Lake
Sherburne County, Minnesota · 4.2 mi from Warner Lake
- +Higher grade (C → B)
- ++9.5 ft water clarity
5
BPickerel Lake
Sherburne County, Minnesota · 3.7 mi from Warner Lake
- +Higher grade (C → B)
- ++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.