Covington County Lake Quality
Mississippi, 1 lake, average grade C (Fair)
Covington 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. Covington 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 Lake Mike Connor (C); the most-stressed is Lake Mike Connor (C).
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Quick Answers for Covington County
Planning a trip? Check special fishing regulations for Lake Mike Connor — or check the official Mississippi fishing regulations.
All Lakes in Covington County
1 lake1 graded lake
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | CLake Mike ConnorCovington | C | 3.9 ft | 55 µg/L | 27.2 µg/L | No recent samples | Not recorded |
Lake Match
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Other Counties in Mississippi
See how Covington 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.