Adams County Lake Quality
Mississippi, 1 lake, average grade C (Fair)
Adams County has 1 graded 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. Adams County averages to a C. The distribution behind that average matters more than the letter: a few stressed lakes versus many decent ones can produce the same average as the inverse.
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 Natchez State Park Lake (C); the most-stressed is Natchez State Park Lake (C).
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Quick Answers for Adams County
Planning a trip? Check special fishing regulations for Natchez State Park Lake — or check the official Mississippi fishing regulations.
All Lakes in Adams County
1 lake1 graded lake
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | CNatchez State Park LakeAdams | C | 3.3 ft | 30 µg/L | 24.9 µg/L | No recent samples | Not recorded |
Lake Match
Which lake suits how you actually use one?
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 Mississippi
See how Adams 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.