1
AMarion-Mill Dam Lake
Marion County, Florida · 5.7 mi from Lake Eaton Center
- +Two grade letters higher (D → A)
- ++8.2 ft water clarity
- +Lower phosphorus (9 vs 34.5 µg/L)
Cleaner Lakes Than Lake Eaton Center
3 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.
Lake Eaton Center carries a Grade D (Poor) water quality score. Within 30 miles, 3 lakes hold a higher grade. Marion-Mill Dam Lake (Marion County, Grade A, 5.7 mi away) is the closest meaningful upgrade.
Reviewed by LakeQuality Editorial Team · Updated
2
BMarion-Halfmoon Lake
Marion County, Florida · 7.6 mi from Lake Eaton Center
- +Two grade letters higher (D → B)
- ++1.7 ft water clarity
- +Lower phosphorus (14 vs 34.5 µg/L)
3
CMarion-Lou Lake
Marion County, Florida · 2 mi from Lake Eaton Center
- +Higher grade (D → C)
- +Lower phosphorus (18.5 vs 34.5 µg/L)
Reading the cohort
Within 30 miles of Lake Eaton Center, 3 lakes score higher on EPA water-quality metrics than its Grade D. The short list means the alternatives are real upgrades but not interchangeable — each carries its own access, size, and species mix worth checking before substituting it into a weekend plan.
Marion-Mill Dam Lake (Marion County, Grade A) is the closest cleaner option at 5.7 miles from Lake Eaton Center — close enough to be a genuine substitute for most users, far enough that it isn't the same neighborhood lake. Worth the trip if water quality is the primary driver; less obvious if Lake Eaton Center is on the way to other plans.
The EPA water-quality grading combines clarity (Secchi depth), phosphorus, and chlorophyll-a measurements from state environmental sampling. A higher letter grade reflects measurably cleaner water on those indicators, not subjective beauty or access quality — a Grade A lake might have worse boat-launch facilities or shoreline access than a Grade C neighbor, so the ranking is one input alongside the rest of trip planning. See the methodology page for the full grading formula.
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.