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LakeQuality

Cleaner Lakes Than Red Sand Lake

5 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.

Red Sand Lake carries a Grade B (Good) water quality score. Within 30 miles, 5 lakes hold a higher grade. Sylvan Lake (Cass County, Grade A, 5.5 mi away) is the closest meaningful upgrade.

1
A

Sylvan Lake

Cass County, Minnesota · 5.5 mi from Red Sand Lake
  • +Higher grade (B → A)
  • ++10.8 ft water clarity
  • +Lower phosphorus (7 vs 23 µg/L)
2
A

Middle Whipple Lake

Crow Wing County, Minnesota · 1.2 mi from Red Sand Lake
  • +Higher grade (B → A)
  • +Lower phosphorus (9 vs 23 µg/L)
3
A

White Sand Lake

Crow Wing County, Minnesota · 1.8 mi from Red Sand Lake
  • +Higher grade (B → A)
  • ++3.5 ft water clarity
  • +Lower phosphorus (17 vs 23 µg/L)
4
A

Gilbert Lake

Crow Wing County, Minnesota · 4.6 mi from Red Sand Lake
  • +Higher grade (B → A)
  • ++5.4 ft water clarity
  • +Lower phosphorus (11 vs 23 µg/L)
5
A

Gull Lake

Cass County, Minnesota · 5 mi from Red Sand Lake
  • +Higher grade (B → A)
  • ++5.5 ft water clarity
  • +Lower phosphorus (14 vs 23 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.

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