Nla Lake is a highly nutrient-loaded hypereutrophic lake in Sedgwick County, Kansas. Water quality is graded F based on 2 sampling years through 2017. Compared to the 8 other monitored lakes in Sedgwick County, Nla Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2017-06-16. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 0.2 ft of visibility. Phosphorus level: 429.6 µg/L. Chlorophyll-a: 230.8 µg/L. Trophic State Index: 91.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.2 ft | F |
| Phosphorus | 429.6 µg/L | F |
| Chlorophyll-a (Algae) | 230.8 µg/L | F |
| Trophic State Index (TSI) | 91 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing Nla Lake
Location
County Ranking
Ranked #5 of 9 lakes in Sedgwick County
Cleaner Lakes Within 30 Miles
Nla Lake holds Grade F. 2 nearby lakes hold higher grades.
- CCheney LakeSedgwick County · 6.8 mi · Two grade letters higher (F → C)
- DLake AftonSedgwick County · 6.5 mi · Higher grade (F → D)
Nearby Lakes in Sedgwick County
Explore Nla Lake across LakeGrade
More Kansas Lake Rankings
Other Grade F Lakes in Kansas
Reno County · Clarity: 1.3 ft
Harvey County · Clarity: 1.3 ft
Kingman County · Clarity: 0.6 ft
Kingman County · Clarity: 0.6 ft
Harvey County · Clarity: 1.2 ft
Harvey County · Clarity: 1 ft
Hypereutrophic Lakes in Kansas
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: 2017-06-16
Monitoring stations: 1