What is the water clarity of Unnamed Lake?

Unnamed Lake has a Secchi depth (water clarity) of 3 feet. That is moderate clarity, typical of lakes with some nutrient enrichment.

Does Unnamed Lake have an algae problem?

Unnamed Lake has a chlorophyll-a (algae) level of 28.5 µg/L. That is elevated — visible blooms are possible during warm, calm weather.

Is Unnamed Lake polluted?

Unnamed Lake shows pollution indicators consistent with nutrient over-enrichment (typically phosphorus from agricultural runoff, fertilizer, or failing septic systems). Its has nutrient and algae measurements on record from state and federal monitoring, reflecting elevated nutrient and algae levels.

How Clean Is Unnamed Lake?

Unnamed Lake is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 3 ft. Phosphorus: 77 µg/L. Chlorophyll-a (algae): 28.5 µg/L. Trophic State Index: 64.

Cleanliness Snapshot

Metric	Unnamed Lake	Minnesota avg
Water Clarity (Secchi)	3 ft	—
Phosphorus	77 µg/L	<30 = clean
Chlorophyll-a (Algae)	28.5 µg/L	<10 = clean
Trophic State Index	64	<50 = clean

How does Unnamed Lake compare?

Unnamed Lake's readings run above the Minnesota state average. It ranks #48 of 75 lakes in Washington County by water quality score.

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More on Unnamed Lake

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