Nla Lake is a highly nutrient-loaded hypereutrophic lake in Bonner County, Idaho. Water quality is graded C based on 2 sampling years through 2012. Compared to the 6 other monitored lakes in Bonner County, Nla Lake ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, Idaho DNR, last sampled 2012-07-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
No clarity data. Phosphorus level: 65000 µg/L. Chlorophyll-a: 1.6 µg/L. Trophic State Index: 100.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 65000 µg/L | F |
| Chlorophyll-a (Algae) | 1.6 µg/L | A |
| Trophic State Index (TSI) | 100 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #6 of 7 lakes in Bonner County
Cleaner Lakes Within 30 Miles
Nla Lake holds Grade C. 2 nearby lakes hold higher grades.
- ANla LakeKootenai County · 10.4 mi · Two grade letters higher (C → A)
- AIdeq LakeKootenai County · 25 mi · Two grade letters higher (C → A)
Nearby Lakes in Bonner County
Explore Nla Lake across LakeGrade
More Idaho Lake Rankings
Other Grade C 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: 2012-07-14
Monitoring stations: 1