Marshall County Lake Quality
Mississippi, 2 lakes, measured by MDEQ
Marshall 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. 1 of those lake carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. The county-wide picture is low-to-moderate phosphorus with clear summer transparency across most monitored lakes.
The county's lakes lean shallow, which makes the readings sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest measured lake is Chewalla Lake.
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Quick Answers for Marshall County
Planning a trip? Check special fishing regulations for Chewalla Lake — or check the official Mississippi fishing regulations.
All Lakes in Marshall County
2 lakes · 1 ranked on readings, 1 without enough sampling1 lake ranked on readings · 1 without enough sampling, hidden
| # | Lake | Clarity | Phosphorus | Algae | Trophic | Max Depth | Access |
|---|---|---|---|---|---|---|---|
| 1 | Chewalla LakeMarshall | 2.5 ft | 20 µg/L | 11.4 µg/L | No recent samples | No recent samples | ✓ Public |
| Spring LakeMarshall | No recent samples | No recent samples | No recent samples | No recent samples | 10 ft | ✓ Public |
NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.
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Source: the Mississippi Department of Environmental Quality. See data sources.