Nla Lake is a productive, nutrient-rich eutrophic lake in Yuma County, Arizona. Water quality is graded C based on 2 sampling years through 2017. Compared to the 3 other monitored lakes in Yuma County, Nla Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Arizona DNR, last sampled 2017-05-02. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Very murky, less than 1.5 ft of visibility. Phosphorus level: 39.4 µg/L. Chlorophyll-a: 7.9 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.5 ft | F |
| Phosphorus | 39.4 µg/L | C |
| Chlorophyll-a (Algae) | 7.9 µg/L | C |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #2 of 4 lakes in Yuma County
Nearby Lakes in Yuma County
Explore Nla Lake across LakeGrade
More Arizona Lake Rankings
Other Grade C Lakes in Arizona
Eutrophic Lakes in Arizona
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: 2017-05-02
Monitoring stations: 1