The alum will draw phosphorus out of the water column and also seal sediment on the lake bottom so that the nutrient can no longer feed algae.Read More
Usually, algae and aquatic plants are merely a nuisance, but sometimes a form of cyanobacteria known as blue-green algae can bloom and release toxins that make humans and animals sick.Read More
Three variables – water clarity, total phosphorus, and chlorophyll – are combined to create a metric known as a trophic state index.
A few years back, Jerry Spetzman began noticing that the color of the algae samples on a white filter corresponded almost perfectly with the lakes’ overall water quality.Read More
Algae blooms in Carver Lake and other urban lakes are usually caused by too much phosphorus flowing into the water from sidewalks, streets, and parking lots.
Help to keep our lakes blue by sweeping dirt and yard waste off of your sidewalk, driveway and curb-line throughout the year and adopting your local storm drain: http://www.adopt-a-drain.org.Read More
Explanations for recent phenomena observed in Forest Lake In recent weeks, several people have contacted the Comfort Lake-Forest Lake Watershed District (CLFLWD) to report fish kills and algal growth observed in Forest Lake. Read on to learn what’s behind these recent phenomena. Fish Kill: After conversation with the Minnesota DNR, watershed district staff have concluded…Read More
We’ve achieved a 35% reduction in phosphorus concentrations in the metro Mississippi River, mostly due to improvements at wastewater treatment plants, but that improvement is somewhat counteracted by the increase in flow coming from upstream.Read More
Interested in whipping up a batch of blue-green algae for your next family gathering? Here’s what you’ll need.Read More
Consider the contrast between what happens to fallen leaves in a forest, versus those in a city neighborhood.Read More
If you don’t like the idea of bass a la glyphosate, then sweep up any spilled herbicide, pesticide, or fertilizer, repair engine leaks on your car, and dispose of used engine oil properly.Read More
Elsewhere across the east metro, homeowners wielding shovels and pitchforks laid traps, disguised as ornamental landscaping, to keep nutrients and other pollutants out of local waterways.Read More