What is the water quality grade for Mound City Lake?

Mound City Lake in Linn County, Kansas received a water quality grade of C (Fair). Water clarity: 3.6 ft visibility. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 24 µg/L.

Is Mound City Lake safe to swim in?

Swim with caution, moderate algae may be present. Mound City Lake has an overall water quality grade of C. Algae concentration (chlorophyll-a) is 24 µg/L. Always check local health department advisories before swimming.

Linn County, Kansas

Mound City Lake

Grade CFair · 3.6 ft clarity

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Eutrophic

Mound City Lake is a productive, nutrient-rich eutrophic lake in Linn County, Kansas. Water quality is graded C based on 2 sampling years through 2017. Compared to the 9 other monitored lakes in Linn County, Mound City Lake ranks #7 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

Swim with caution, moderate algae may be present

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Water Quality Grade: C, Fair

Murky, only visible to about 3.6 ft. Phosphorus level: 50 µg/L. Chlorophyll-a: 24 µg/L. Trophic State Index: 60.

Metric	Value	Grade
Water Clarity (Secchi Depth)	3.6 ft	D
Phosphorus	50 µg/L	C
Chlorophyll-a (Algae)	24 µg/L	D
Trophic State Index (TSI)	60	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Mound City Lake

Compare lakeside cabins, hotels, and vacation rentals near Mound City Lake in Linn County, Kansas — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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