Nla Lake is a highly nutrient-loaded hypereutrophic lake in Valley County, Idaho. Water quality is graded C based on 3 sampling years through 2012. Compared to the 14 other monitored lakes in Valley County, Nla Lake ranks #14 for water quality.
Source: EPA Water Quality Portal sampling records, Idaho DNR, last sampled 2012-08-21. 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 4.4 ft. Phosphorus level: 75000 µg/L. Chlorophyll-a: 3.8 µg/L. Trophic State Index: 88.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.4 ft | D |
| Phosphorus | 75000 µg/L | F |
| Chlorophyll-a (Algae) | 3.8 µg/L | A |
| Trophic State Index (TSI) | 88 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #14 of 15 lakes in Valley County
Cleaner Lakes Within 30 Miles
Nla Lake holds Grade C. 5 nearby lakes hold higher grades.
- ANla LakeValley County · 10.9 mi · Two grade letters higher (C → A)
- BNla LakeAdams County · 22.6 mi · Higher grade (C → B)
- BCascade ReservoirValley County · 21 mi · Higher grade (C → B)
- BNla LakeIdaho County · 22.9 mi · Higher grade (C → B)
- CCascade Reservoir InletValley County · 20 mi · Higher overall water quality score
Nearby Lakes in Valley County
Explore Nla Lake across LakeGrade
More Idaho Lake Rankings
Other Grade C Lakes in Idaho
Hypereutrophic Lakes in Idaho
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: 2012-08-21
Monitoring stations: 1