Nla Lake is a productive, nutrient-rich eutrophic lake in Logan County, Oklahoma. Water quality is graded B based on 2 sampling years through 2017.
Source: EPA Water Quality Portal sampling records, Oklahoma DNR, last sampled 2017-09-13. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Very murky, less than 2.8 ft of visibility. Phosphorus level: 42 µg/L. Chlorophyll-a: 6.4 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.8 ft | F |
| Phosphorus | 42 µg/L | C |
| Chlorophyll-a (Algae) | 6.4 µg/L | B |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #1 of 1 lakes in Logan County
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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