Nla Lake is a productive, nutrient-rich eutrophic lake in Yakima County, Washington. Water quality is graded C based on 3 sampling years through 2017. Compared to the 3 other monitored lakes in Yakima County, Nla Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Washington DNR, last sampled 2017-09-13. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 9.4 ft. Phosphorus level: 34.8 µg/L. Chlorophyll-a: 7.8 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.4 ft | C |
| Phosphorus | 34.8 µg/L | C |
| Chlorophyll-a (Algae) | 7.8 µg/L | B |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #4 of 4 lakes in Yakima County
Cleaner Lakes Within 30 Miles
Nla Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Yakima County
Explore Nla Lake across LakeGrade
More Washington Lake Rankings
Other Grade C Lakes in Washington
Eutrophic Lakes in Washington
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: 2017-09-13
Monitoring stations: 1