Pierson Lake is a productive, nutrient-rich eutrophic lake in Wyandotte County, Kansas. Water quality is graded D based on 2 sampling years through 2024. Compared to the 5 other monitored lakes in Wyandotte County, Pierson Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2024-09-05. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 87.7 µg/L. Chlorophyll-a: 36.6 µg/L. Trophic State Index: 67.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 87.7 µg/L | D |
| Chlorophyll-a (Algae) | 36.6 µg/L | D |
| Trophic State Index (TSI) | 67 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Pierson Lake
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Fishing Pierson Lake
Location
County Ranking
Ranked #4 of 6 lakes in Wyandotte County
Cleaner Lakes Within 30 Miles
Pierson Lake holds Grade D. 2 nearby lakes hold higher grades.
- ANla LakeWyandotte County · 7.8 mi · Two grade letters higher (D → A)
- BNla LakeJohnson County · 7.5 mi · Two grade letters higher (D → B)
Nearby Lakes in Wyandotte County
Explore Pierson Lake across LakeGrade
More Kansas Lake Rankings
Other Grade D Lakes in Kansas
Eutrophic 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: 2024-09-05
Monitoring stations: 1