Nla Lake is a productive, nutrient-rich eutrophic lake in Stewart County, Tennessee. Water quality is graded C based on 2 sampling years through 2017. Compared to the 3 other monitored lakes in Stewart County, Nla Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Tennessee DNR, last sampled 2017-08-28. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 4.1 ft. Phosphorus level: 39.8 µg/L. Chlorophyll-a: 13.8 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.1 ft | D |
| Phosphorus | 39.8 µg/L | C |
| Chlorophyll-a (Algae) | 13.8 µg/L | C |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Nla Lake
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Fishing Nla Lake
Location
County Ranking
Ranked #1 of 4 lakes in Stewart County
Nearby Lakes in Stewart County
Explore Nla Lake across LakeGrade
More Tennessee Lake Rankings
Other Grade C Lakes in Tennessee
Eutrophic 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: 2017-08-28
Monitoring stations: 1