Indian River County Lake Quality
Florida, 9 lakes, average grade C (Fair)
Only 9 lakes in Indian River County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. The county average is C — the middle of the rubric, with one or two lakes pulling the average up or down depending on year.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Snkcen Lake (B); the most-stressed is Bcl Lake (D).
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Quick Answers for Indian River County
Planning a trip? Check special fishing regulations for Snkcen Lake — or check the official Florida fishing regulations.
All Lakes in Indian River County
9 lakes · 7 graded, 2 not rated7 graded lakes · 2 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | BSnkcen LakeIndian River | B | 2.3 ft | 22.7 µg/L | No recent samples | No recent samples | ✓ Public |
| 2 | BLmr LakeIndian River | B | 3 ft | 38.3 µg/L | No recent samples | No recent samples | ✓ Public |
| 3 | CFtt LakeIndian River | C | 2.3 ft | 44.9 µg/L | No recent samples | No recent samples | Not recorded |
| 4 | CStkm LakeIndian River | C | 2.3 ft | 51.5 µg/L | No recent samples | No recent samples | Not recorded |
| 5 | DBcl LakeIndian River | D | 2 ft | 193.4 µg/L | No recent samples | No recent samples | Not recorded |
| 6 | DIndian River-Blue Cypress LakeIndian River | D | 2 ft | 184.5 µg/L | No recent samples | No recent samples | ✓ Public |
| 7 | DKenansvill LakeIndian River | D | 2 ft | 70 µg/L | No recent samples | No recent samples | ✓ Public |
| NRFellsmere Headwaters Kayak Launch LakeIndian River | NR | 1 ft | 38 µg/L | No recent samples | No recent samples | ✓ Public | |
| NRBlucyprlke LakeIndian River | NR | No recent samples | No recent samples | No recent samples | No recent samples | Not recorded |
NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
Lake Match
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Other Counties in Florida
See how Indian River County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 49 states and 2 Canadian provinces.
Source: EPA National Aquatic Resource Surveys, 2026.