Garnett Lake is a highly nutrient-loaded hypereutrophic lake in Anderson County, Kansas. Water quality is graded D based on 2 sampling years through 2017. Compared to the 2 other monitored lakes in Anderson County, Garnett Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2017-08-14. 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
Very murky, less than 2.4 ft of visibility. Phosphorus level: 69.5 µg/L. Chlorophyll-a: 160 µg/L. Trophic State Index: 70.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.4 ft | F |
| Phosphorus | 69.5 µg/L | D |
| Chlorophyll-a (Algae) | 160 µg/L | F |
| Trophic State Index (TSI) | 70 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Garnett Lake
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Fishing Garnett Lake
Location
County Ranking
Ranked #3 of 3 lakes in Anderson County
Cleaner Lakes Within 30 Miles
Garnett Lake holds Grade D. 4 nearby lakes hold higher grades.
- CRichmond City LakeFranklin County · 6.2 mi · Higher grade (D → C)
- CBlue Mound City LakeLinn County · 18.2 mi · Higher grade (D → C)
- CMound City LakeLinn County · 22.7 mi · Higher grade (D → C)
- DNla LakeLinn County · 22.8 mi · Higher overall water quality score
Nearby Lakes in Anderson County
Explore Garnett Lake across LakeGrade
More Kansas Lake Rankings
Other Grade D Lakes in Kansas
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: 2017-08-14
Monitoring stations: 1