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LakeQuality
Late afternoon sun over Slim Lake, scattering a bright path across wind-textured water
C

Bradley County Lake Quality

Tennessee, 2 lakes, average grade C (Fair)

Bradley 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 an A–F grade. The county-level summary describes that subset, not every water body listed. The county average is C — the middle of the rubric, with one or two lakes pulling the average up or down depending on year.

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 Hiwassee River Lake (C); the most-stressed is Hiwassee River Lake (C).

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All Lakes in Bradley County

2 lakes · 1 graded, 1 not rated1 graded lake · 1 not rated, hidden

#LakeGradeClarityPhosphorusAlgaeTrophicAccess
1CHiwassee River LakeBradleyC4.1 ft29.3 µg/LNo recent samplesNo recent samples✓ Public
NRCandies Creek LakeBradleyNRNo recent samples64 µg/LNo recent samplesNo recent samples✓ Public

NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.

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See how Bradley 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.