Lincoln County Lake Quality
Georgia, 2 lakes, average grade C (Fair)
Lincoln County has 2 monitored lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. Every one of those lakes carries an A–F grade, so the county-level summary covers the full set rather than a monitored subset. The county average is C — the middle of the rubric, with one or two lakes pulling the average up or down depending on year.
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. Clarks Hill Lake (C) is the cleanest in the county.
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Quick Answers for Lincoln County
Planning a trip? Check special fishing regulations for Clarks Hill Lake — or check the official Georgia fishing regulations.
All Lakes in Lincoln County
2 lakes2 graded lakes
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | CClarks Hill LakeLincoln | C | 6.7 ft | 20 µg/L | 7.2 µg/L | No recent samples | ✓ Public |
| 2 | CClarks Hill LakeLincoln | C | 6.1 ft | 20 µg/L | 11 µg/L | No recent samples | ✓ Public |
Lake Match
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Six questions — swimming, fishing, quiet, cabins, drive time — and a shortlist of graded lakes that fit, with the water quality behind each one.
Other Counties in Georgia
See how Lincoln 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.