What is the water quality grade for Madison City Lake?

Madison City Lake in Greenwood County, Kansas received a water quality grade of B (Good). Water clarity: 4.1 ft visibility. Phosphorus: 0 µg/L. Chlorophyll-a (algae): 7.5 µg/L.

Is Madison City Lake safe to swim in?

Good for swimming, clear water with low algae levels. Madison City Lake has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 7.5 µg/L. Always check local health department advisories before swimming.

Greenwood County, Kansas

Madison City Lake

Grade BGood · 4.1 ft clarity

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Oligotrophic

Madison City Lake is a cold, clear oligotrophic lake in Greenwood County, Kansas. Water quality is graded B based on 2 sampling years through 2018. Compared to the 5 other monitored lakes in Greenwood County, Madison City Lake ranks #1 for water quality.

Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2018-06-04. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

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Water Quality Grade: B, Good

Murky, only visible to about 4.1 ft. Phosphorus level: 0 µg/L. Chlorophyll-a: 7.5 µg/L. Trophic State Index: 20.

Metric	Value	Grade
Water Clarity (Secchi Depth)	4.1 ft	D
Phosphorus	0 µg/L	A
Chlorophyll-a (Algae)	7.5 µg/L	C
Trophic State Index (TSI)	20	Oligotrophic

Low nutrients, clear water, excellent for swimming

Where to stay near Madison City Lake

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