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LakeQuality

Cleaner Lakes Than South Golden Lake

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

South Golden Lake carries a Grade C (Fair) water quality score. Within 30 miles, 2 lakes hold a higher grade. Lake Ashtabula (Barnes County, Grade B, 29.7 mi away) is the closest meaningful upgrade.

1
B

Lake Ashtabula

Barnes County, Wisconsin · 29.7 mi from South Golden Lake
  • +Higher grade (C → B)
2
C

Carlson-Tande Dam Lake

Griggs County, Wisconsin · 22.2 mi from South Golden Lake
  • +Higher overall water quality score

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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