Question 1

How clean is Umk-01 Lake?

Accepted Answer

Umk-01 Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 2.1 ft. Chlorophyll-a (algae): 10.4 µg/L. Trophic State Index: 60.

Question 2

What is the water clarity of Umk-01 Lake?

Accepted Answer

Umk-01 Lake has a Secchi depth (water clarity) of 2.1 feet. That is poor clarity, indicating heavy algae or sediment.

Question 3

Does Umk-01 Lake have an algae problem?

Accepted Answer

Umk-01 Lake has a chlorophyll-a (algae) level of 10.4 µg/L. That is moderate — visible algae is possible but bloom risk is limited.

Question 4

Is Umk-01 Lake polluted?

Accepted Answer

Umk-01 Lake shows pollution indicators consistent with nutrient over-enrichment (typically phosphorus from agricultural runoff, fertilizer, or failing septic systems). Its grade of D reflects elevated nutrient and algae levels.

Metric	Umk-01 Lake	Wisconsin avg
Overall Grade	D	D
Water Clarity (Secchi)	2.1 ft	—
Chlorophyll-a (Algae)	10.4 µg/L	<10 = clean
Trophic State Index	60	<50 = clean

How Clean Is Umk-01 Lake?

Cleanliness Snapshot

How does Umk-01 Lake compare?

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