What is the water clarity of Lake Chetac?

Secchi depth (water clarity) data is not available for Lake Chetac.

Does Lake Chetac have an algae problem?

Chlorophyll-a (algae) data is not available for Lake Chetac. Phosphorus and Secchi readings can still indicate bloom risk indirectly.

How Clean Is Lake Chetac?

Q: Is Lake Chetac polluted?

Lake Chetac 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.

Lake Chetac is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from EPA monitoring data. Phosphorus: 56.3 µg/L. Trophic State Index: 62.

Cleanliness Snapshot

Metric	Lake Chetac	Wisconsin avg
Phosphorus	56.3 µg/L	<30 = clean
Trophic State Index	62	<50 = clean

How does Lake Chetac compare?

Lake Chetac's readings run above the Wisconsin state average. It ranks #43 of 45 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is improving based on 6 years of records.

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More on Lake Chetac

Is Lake Chetac safe for swimming? →What fish are in Lake Chetac? →Is Lake Chetac polluted? →Full water quality report →Sawyer County lakes →Cleanest lakes in Sawyer County →Cleanest lakes in Wisconsin →