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 a water quality grade of D (Poor), reflecting elevated nutrient and algae levels.

LakeQuality

How Clean Is Unnamed Lake?

Unnamed 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): 3 ft. Phosphorus: 77 µg/L. Chlorophyll-a (algae): 28.5 µg/L. Trophic State Index: 64.

Cleanliness Snapshot

Metric	Unnamed Lake	Minnesota avg
Overall Grade	D	C
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 grade of D falls below the Minnesota state average of C. It ranks #48 of 75 lakes in Washington County by water quality score.

More on Unnamed Lake

Is Unnamed Lake safe for swimming? →What fish are in Unnamed Lake? →When Does Unnamed Lake Freeze? Typical Ice-In Dec 5, Ice-Out Apr 8 →Full water quality report →Washington County lakes →Cleanest lakes in Washington County →Cleanest lakes in Minnesota →