Nla Lake is a highly nutrient-loaded hypereutrophic lake in Yuma County, Arizona. Water quality is graded F based on 2 sampling years through 2012. Compared to the 3 other monitored lakes in Yuma County, Nla Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Arizona DNR, last sampled 2012-08-24. 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
Very murky, less than 0.1 ft of visibility. Phosphorus level: 392000 µg/L. Chlorophyll-a: 232.2 µg/L. Trophic State Index: 128.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.1 ft | F |
| Phosphorus | 392000 µg/L | F |
| Chlorophyll-a (Algae) | 232.2 µg/L | F |
| Trophic State Index (TSI) | 128 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #4 of 4 lakes in Yuma County
Cleaner Lakes Within 30 Miles
Nla Lake holds Grade F. 2 nearby lakes hold higher grades.
- CNla LakeYuma County · 14.6 mi · Two grade letters higher (F → C)
- DNla LakeLa Paz County · 28.3 mi · Higher grade (F → D)
Nearby Lakes in Yuma County
Explore Nla Lake across LakeGrade
More Arizona Lake Rankings
Other Grade F Lakes in Arizona
Hypereutrophic 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: 2012-08-24
Monitoring stations: 1