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LakeQuality

Cleaner Lakes Than Cedar Lake

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

Cedar Lake carries a Grade F (Very Poor) water quality score. Within 30 miles, 4 lakes hold a higher grade. Kent Park Lake (Johnson County, Grade C, 18.8 mi away) is the closest meaningful upgrade.

1
C

Kent Park Lake

Johnson County, Wisconsin · 18.8 mi from Cedar Lake
  • +Two grade letters higher (F → C)
  • ++3.9 ft water clarity
2
D

Pleasant Creek Lake

Linn County, Wisconsin · 11.9 mi from Cedar Lake
  • +Higher grade (F → D)
  • ++2.7 ft water clarity
3
D

Lake Macbride

Johnson County, Wisconsin · 14.4 mi from Cedar Lake
  • +Higher grade (F → D)
  • ++2 ft water clarity
4
D

Central Park Lake

Jones County, Wisconsin · 28.4 mi from Cedar Lake
  • +Higher grade (F → D)
  • ++2.4 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.