Question 1

How clean is Briggs Woods Lake?

Accepted Answer

Briggs Woods Lake has very poor water quality and a high algae bloom risk. It received a water quality grade of F (Very Poor) based on EPA monitoring data. Water clarity (Secchi depth): 1.5 ft. Chlorophyll-a (algae): 59.1 µg/L. Trophic State Index: 71.

Question 2

What is the water clarity of Briggs Woods Lake?

Accepted Answer

Briggs Woods Lake has a Secchi depth (water clarity) of 1.5 feet. That is poor clarity, indicating heavy algae or sediment.

Question 3

Does Briggs Woods Lake have an algae problem?

Accepted Answer

Briggs Woods Lake has a chlorophyll-a (algae) level of 59.1 µg/L. That is high — the lake is at meaningful risk of harmful algal bloom advisories in summer.

Question 4

Is Briggs Woods Lake polluted?

Accepted Answer

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

Metric	Briggs Woods Lake	Wisconsin avg
Overall Grade	F	D
Water Clarity (Secchi)	1.5 ft	—
Chlorophyll-a (Algae)	59.1 µg/L	<10 = clean
Trophic State Index	71	<50 = clean

How Clean Is Briggs Woods Lake?

Cleanliness Snapshot

How does Briggs Woods Lake compare?

More on Briggs Woods Lake