Wilcox County Lake Quality
Alabama, 5 lakes, average grade B (Good)
Wilcox County holds 5 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. 3 of those lakes carry an A–F grade. The county-level summary describes that subset, not every water body listed. The county-wide average lands at B — solid water quality with most lakes carrying clear summer transparency and low-to-moderate phosphorus.
Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Clam Lake (A) is the cleanest in the county.
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Quick Answers for Wilcox County
Planning a trip? Check special fishing regulations for Clam Lake — or check the official Alabama fishing regulations.
All Lakes in Wilcox County
5 lakes · 3 graded, 2 not rated3 graded lakes · 2 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | AClam LakeWilcox | A | 3 ft | 26 µg/L | 6.1 µg/L | No recent samples | ✓ Public |
| 2 | BDanw LakeWilcox | B | 2.9 ft | 23 µg/L | 7.5 µg/L | No recent samples | ✓ Public |
| 3 | BDanw LakeWilcox | B | 2.9 ft | 27 µg/L | 8.7 µg/L | No recent samples | ✓ Public |
| NRWilliam 'Bill' Dannelly ReservoirWilcox | NR | No recent samples | No recent samples | No recent samples | No recent samples | ✓ Public | |
| NRMacMillan Bloedel Incorporated Waste PondWilcox | 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.
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Other Counties in Alabama
See how Wilcox County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..
Source: EPA National Aquatic Resource Surveys, 2026.