Category Archives: Duck Pond Springs

Gorham Springs (aka Duck Pond Springs) on Nakoma Road: a review of “invasive species impacts”

Nakoma Road and  Monroe Street are two of the busiest thoroughfares in Madison.  But just a few feet away from where these two traffic arteries intersect, is one of the few remaining natural springs in the Lake Wingra Watershed. Just … Continue reading

Posted in Council Spring, Duck Pond Springs, Groundwater, Lake Wingra, Lake Wingra Watershed | Tagged , , , , , | 2 Comments

Road Salt Use in Madison and Chloride Concentrations in its Lakes

The City of Madison, Wisconsin began spreading road salt on its streets in 1959. In the next 15 years ( by 1974), the chloride concentration in Lake Wingra tripled, and by 2014 had increased nearly seven fold from 18mg/L in … Continue reading

Posted in Chloride concentrations, Duck Pond Springs, Groundwater, Lake Wingra Watershed, Road salt, Road salt use | Tagged , , , | 1 Comment

Observations Made on Visit to Duck Pond Springs

During a routine observational visit to the Duck Pond Springs today I was surprised to find  the area overgrown with the aquatic weed, watercress (Nasturtium officinale) and a variety of other non-native pest plants that are well-established in the surrounding … Continue reading

Posted in Duck Pond Springs, Duck Pond wall, invasive plants, Invasive species, Springs | Tagged , , , , , , , , , | 2 Comments