Nla Lake is a productive, nutrient-rich eutrophic lake in Pulaski County, Virginia. Water quality is graded C based on 2 sampling years through 2017. Compared to the 9 other monitored lakes in Pulaski County, Nla Lake ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, Virginia DNR, last sampled 2017-06-15. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Good clarity, visible to about 12.5 ft. Phosphorus level: 4504.9 µg/L. Chlorophyll-a: 2 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.5 ft | B |
| Phosphorus | 4504.9 µg/L | F |
| Chlorophyll-a (Algae) | 2 µg/L | A |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Nla Lake
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Fishing Nla Lake
Location
County Ranking
Ranked #9 of 10 lakes in Pulaski County
Cleaner Lakes Within 30 Miles
Nla Lake holds Grade C. 5 nearby lakes hold higher grades.
- AWest Arm LakePulaski County · 0.3 mi · Two grade letters higher (C → A)
- AAbove Dam LakePulaski County · 0.4 mi · Two grade letters higher (C → A)
- BPeak Creek LakePulaski County · 8.7 mi · Higher grade (C → B)
- BLowmans Ferry Rd Br. LakePulaski County · 10.6 mi · Higher grade (C → B)
- BMouth Peak Cr. LakePulaski County · 10.7 mi · Higher grade (C → B)
Nearby Lakes in Pulaski County
Explore Nla Lake across LakeGrade
More Virginia Lake Rankings
Other Grade C Lakes in Virginia
Eutrophic Lakes in Virginia
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: 2017-06-15
Monitoring stations: 1