Nla Lake is a productive, nutrient-rich eutrophic lake in Payne County, Oklahoma. Water quality is graded C based on 2 sampling years through 2017. Compared to the 1 other monitored lakes in Payne County, Nla Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Oklahoma DNR, last sampled 2017-07-18. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Very murky, less than 3 ft of visibility. Phosphorus level: 49.2 µg/L. Chlorophyll-a: 25.1 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | D |
| Phosphorus | 49.2 µg/L | C |
| Chlorophyll-a (Algae) | 25.1 µg/L | D |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #1 of 2 lakes in Payne County
Cleaner Lakes Within 30 Miles
Nla Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Payne County
Explore Nla Lake across LakeGrade
More Oklahoma Lake Rankings
Other Grade C Lakes in Oklahoma
Eutrophic Lakes in Oklahoma
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: 2017-07-18
Monitoring stations: 1