1
AWhite Bear Lake
Washington County, Minnesota · 2.7 mi from Unnamed Lake
- +Two grade letters higher (F → A)
- ++14 ft water clarity
- +Lower phosphorus (15 vs 172.5 µg/L)
Cleaner Lakes Than Unnamed Lake
5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Unnamed Lake carries a Grade F (Very Poor) water quality score. Within 30 miles, 5 lakes hold a higher grade. White Bear Lake (Washington County, Grade A, 2.7 mi away) is the closest meaningful upgrade.
2
CGem Lake
Ramsey County, Minnesota · 0.4 mi from Unnamed Lake
- +Two grade letters higher (F → C)
- ++5.9 ft water clarity
- +Lower phosphorus (36 vs 172.5 µg/L)
3
CBirch Lake
Ramsey County, Minnesota · 1.2 mi from Unnamed Lake
- +Two grade letters higher (F → C)
- ++4.9 ft water clarity
- +Lower phosphorus (21 vs 172.5 µg/L)
4
CBlack Lake
Ramsey County, Minnesota · 2.7 mi from Unnamed Lake
- +Two grade letters higher (F → C)
- ++5.9 ft water clarity
- +Lower phosphorus (36 vs 172.5 µg/L)
5
DGilfillan Lake
Ramsey County, Minnesota · 2.5 mi from Unnamed Lake
- +Higher grade (F → D)
- ++2 ft water clarity
- +Lower phosphorus (48 vs 172.5 µg/L)
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.