Duck River Lake is a highly nutrient-loaded hypereutrophic lake in Humphreys County, Tennessee. Water quality is graded F based on 1 sampling years through 2024.
Source: EPA Water Quality Portal sampling records, Tennessee DNR, last sampled 2024-06-06. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
No clarity data. Phosphorus level: 200 µg/L. Trophic State Index: 81.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 200 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 81 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing Duck River Lake
Location
County Ranking
Ranked #1 of 1 lakes in Humphreys County
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Explore Duck River Lake across LakeGrade
More Tennessee Lake Rankings
Other Grade F Lakes in Tennessee
Maury County · Clarity: 1.5 ft
Maury County · Very Poor
Davidson County · Very Poor
Marshall County · Clarity: 2.1 ft
Sumner County · Very Poor
Obion County · Very Poor
Hypereutrophic Lakes in Tennessee
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-06-06
Monitoring stations: 2