What is the water quality grade for Herington Reservoir?

Herington Reservoir in Dickinson County, Kansas received a water quality grade of D (Poor). Water clarity: 2.2 ft visibility. Phosphorus: 240 µg/L. Chlorophyll-a (algae): 11.5 µg/L.

Is Herington Reservoir safe to swim in?

Swimming not recommended, poor water quality with high algae risk. Herington Reservoir has an overall water quality grade of D. Algae concentration (chlorophyll-a) is 11.5 µg/L. Always check local health department advisories before swimming.

Dickinson County, Kansas

Herington Reservoir

Grade DPoor · 2.2 ft clarity

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Eutrophic

Herington Reservoir is a productive, nutrient-rich eutrophic lake in Dickinson County, Kansas. Water quality is graded D based on 2 sampling years through 2017. Compared to the 1 other monitored lakes in Dickinson County, Herington Reservoir ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2017-08-01. 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 2.2 ft of visibility. Phosphorus level: 240 µg/L. Chlorophyll-a: 11.5 µg/L. Trophic State Index: 68.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.2 ft	F
Phosphorus	240 µg/L	F
Chlorophyll-a (Algae)	11.5 µg/L	C
Trophic State Index (TSI)	68	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Herington Reservoir

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