Nla Lake is a mesotrophic lake in Howard County, Arkansas. Water quality is graded C based on 3 sampling years through 2017. Compared to the 2 other monitored lakes in Howard County, Nla Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2017-07-20. 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 6.4 ft. Phosphorus level: 21 µg/L. Chlorophyll-a: 7.1 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.4 ft | D |
| Phosphorus | 21 µg/L | B |
| Chlorophyll-a (Algae) | 7.1 µg/L | B |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Nla Lake
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Fishing Nla Lake
Location
County Ranking
Ranked #1 of 3 lakes in Howard County
Nearby Lakes in Howard County
Explore Nla Lake across LakeGrade
More Arkansas Lake Rankings
Other Grade C Lakes in Arkansas
Mesotrophic Lakes in Arkansas
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: 2017-07-20
Monitoring stations: 1