What is the water clarity of Shields Lake?

Shields Lake has a Secchi depth (water clarity) of 2.5 feet. That is poor clarity, indicating heavy algae or sediment.

Does Shields Lake have an algae problem?

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

How Clean Is Shields Lake?

Q: Is Shields Lake polluted?

Shields Lake does not show severe pollution. It has limited nutrient and algae sampling on record, and nutrient and algae levels are within or below typical regional ranges.

Shields Lake does not have enough monitoring data to describe. It does not have enough recent summer sampling for a nutrient or algae figure. That means the measurements are missing, not that the water is poor. Everything the monitoring record does contain is below. Water clarity (Secchi depth): 2.5 ft. Trophic State Index: 64.

Cleanliness Snapshot

Metric	Shields Lake	Minnesota avg
Water Clarity (Secchi)	2.5 ft	—
Trophic State Index	64	<50 = clean

How does Shields Lake compare?

Shields Lake has too little recent summer sampling to compare, so it is not compared with the Minnesota state average. Multi-year monitoring data shows water quality is improving based on 5 years of records.

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More on Shields Lake

Is Shields Lake safe for swimming? →What fish are in Shields Lake? →Is Shields Lake polluted? →When Does Shields Lake Freeze? Typical Ice-In Dec 1, Ice-Out Apr 5 →Full water quality report →Rice County lakes →Cleanest lakes in Rice County →Cleanest lakes in Minnesota →