Barry County Lake Quality
Missouri, 5 lakes, average grade C (Fair)
Barry County has 5 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. Table Rock L. Ab. Carter Br. Lake (A) is the cleanest in the county.
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Quick Answers for Barry County
Planning a trip? Check special fishing regulations for Table Rock L. Ab. Carter Br. Lake — or check the official Missouri fishing regulations.
All Lakes in Barry County
5 lakes5 graded lakes
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| 1 | ATable Rock L. Ab. Carter Br. LakeBarry | A | 6.8 ft | 8.5 µg/L | 4.3 µg/L | No recent samples | ✓ Public |
| 2 | CTable Rock L. LakeBarry | C | 5.5 ft | 10.3 µg/L | 6.1 µg/L | No recent samples | ✓ Public |
| 3 | CTable Rock LakeBarry | C | 3.3 ft | 30.5 µg/L | 6.5 µg/L | No recent samples | Not recorded |
| 4 | CTable Rock L. LakeBarry | C | 2.6 ft | 30.3 µg/L | 8.2 µg/L | No recent samples | Not recorded |
| 5 | DTable Rock LakeBarry | D | 2.3 ft | 67 µg/L | 21 µg/L | No recent samples | Not recorded |
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Other Counties in Missouri
See how Barry 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.