Tomahawk Creek Park Lake is a highly nutrient-loaded hypereutrophic lake in Johnson County, Kansas. Water quality is graded F based on 2 sampling years through 2021. Compared to the 18 other monitored lakes in Johnson County, Tomahawk Creek Park Lake ranks #15 for water quality.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2021-06-03. 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
No clarity data. Phosphorus level: 162.1 µg/L. Chlorophyll-a: 44.2 µg/L. Trophic State Index: 73.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 162.1 µg/L | F |
| Chlorophyll-a (Algae) | 44.2 µg/L | F |
| Trophic State Index (TSI) | 73 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Tomahawk Creek Park Lake
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Fishing Tomahawk Creek Park Lake
Location
County Ranking
Ranked #15 of 19 lakes in Johnson County
Cleaner Lakes Within 30 Miles
Tomahawk Creek Park Lake holds Grade F. 4 nearby lakes hold higher grades.
- BNla LakeJohnson County · 10.3 mi · Two grade letters higher (F → B)
- DStoll Park LakeJohnson County · 5.4 mi · Higher grade (F → D)
- DLeawood Park LakeJohnson County · 0.9 mi · Higher grade (F → D)
- DSar Ko Park LakeJohnson County · 7.7 mi · Higher grade (F → D)
Nearby Lakes in Johnson County
Explore Tomahawk Creek Park Lake across LakeGrade
More Kansas Lake Rankings
Other Grade F Lakes in Kansas
Wyandotte County · Very Poor
Wyandotte County · Clarity: 2.8 ft
Douglas County · Clarity: 1 ft
Linn County · Clarity: 0.6 ft
Atchison County · Clarity: 1.7 ft
Shawnee County · Clarity: 1.2 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: 2021-06-03
Monitoring stations: 3