Nla Lake is a highly nutrient-loaded hypereutrophic lake in Sherman County, Nebraska. Water quality is graded C based on 2 sampling years through 2017. Compared to the 1 other monitored lakes in Sherman County, Nla Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Nebraska DNR, last sampled 2017-07-26. 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 1.4 ft of visibility. Phosphorus level: 120521.2 µg/L. Chlorophyll-a: 6.5 µg/L. Trophic State Index: 98.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.4 ft | F |
| Phosphorus | 120521.2 µg/L | F |
| Chlorophyll-a (Algae) | 6.5 µg/L | B |
| Trophic State Index (TSI) | 98 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #1 of 2 lakes in Sherman County
Nearby Lakes in Sherman County
Explore Nla Lake across LakeGrade
More Nebraska Lake Rankings
Other Grade C Lakes in Nebraska
Hypereutrophic Lakes in Nebraska
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: 2017-07-26
Monitoring stations: 1