Tag Archives: aluminum sulfate

Study Finds Aluminum Sulfate (Alum) Applications to Control Eutrophication of Lakes May Have Unintended and Untargeted Effects on Ecological Processes

Aluminum sulfate (alum) has been applied to hundreds of eutrophic (nutrient rich) lakes and storm water detention ponds worldwide for over 40 years in a popular remediation practice to control harmful algal blooms by removing excess phosphorous.  The City of … Continue reading

Posted in Alum application trial, Aluminum sulfate, Phosphorus, Phosphorus in storm water | Tagged , | Leave a comment

Madison Engineering Division Considering Additional Sites for Aluminum Sulfate Application

Watershed planners are recommending that either the Odana Golf Course Pond or the Secret Pond storm water pond in the UW-Madison Arboretum be considered as potential sites for the addition of alum to capture phosphorous in storm water runoff.  This … Continue reading

Posted in Alum application trial, City of Madison Engineering Division, Friends of Lake Wingra, Lake Wingra, Lake Wingra Watershed, Lake Wingra Watershed management plan, Lake Wingra Watershed management planning, Madison/Nakoma Road storm water pond, Marion Dunn Pond, Phosphorus, Phosphorus in storm water | Tagged , , , , , , , , , , , , | 4 Comments

Update on Alum Application to Arboretum’s Marion Dunn Pond

As you recall this blog has reported on the proposal from City of Madison Engineering Division to add aluminum sulfate (alum) to the Arboretum’s Marion Dunn storm water pond on Monroe Street.   Now, we have learned that the City has … Continue reading

Posted in Alum application trial, Lake Wingra Watershed management planning, Marion Dunn Pond, Soil destruction, Soil erosion, Soil loss, Storm water | Tagged , , , , , , , | 2 Comments