Southwest Wisconsin has fractured bedrock beneath generally thin soils, putting groundwater at risk for contamination. The purpose of this study was to improve our understanding of groundwater quality in southwest Wisconsin and to better understand how local hydrogeology …
WGNHS blog
2022 Year in Review
Director’s Message The Wisconsin Geological and Natural History Survey (WGNHS) had an exceedingly busy and successful year in 2022. We progressed to a fully hybrid work model as the University of Wisconsin continues to emerge …
Central Sands Nitrate and Neonicotinoid Study
In 2021-2022, the Central Sands Nitrate and Neonicotinoid Study performed a data-gap analysis and compiled an exhaustive database of over 100,000 historical groundwater nitrate and neonicotinoid concentrations for wells across Adams, Juneau, Marquette, Portage, Waushara, …
WGNHS publication receives John C. Frye Memorial Award
WGNHS alumnus Anna Fehling (now a hydrogeologist at the Wisconsin DNR) and WGNHS hydrogeologist David Hart received the 2022 John C. Frye Memorial Award in Environmental Geology for their report Potential Effects of Climate Change on Stream Temperature …
Interim Director and State Geologist announced
We are pleased to announce that Dr. Eric Carson has been appointed Interim Director and State Geologist at WGNHS following the retirement of Dr. Ken Bradbury in July 2022. Eric begins his role as our …
2021 Year in Review
Director’s Message The Wisconsin Geological and Natural History Survey (WGNHS) had another successful year in 2021. We began the year working remotely due to the Covid-19 pandemic, but restrictions started to ease during the spring …
Wisconsin Rocks and Minerals (story map)
Ever wonder what Wisconsin’s most important rocks and minerals are? We’ve created a story map that will help satisfy that curiosity! Adapted from the WGNHS Rock Kit, this interactive story map takes viewers on a …
2020 Year in Review
Director’s Message 2020 was one of the most unusual years in the long history of the Wisconsin Geological and Natural History Survey. January began normally, with WGNHS staff involved primarily in office projects and participating …
Wisconsin’s Karst Aquifers
On February 19, 2020, WGNHS hydrogeologist Maureen Muldoon gave a talk for Wednesday Nite @ The Lab (WN@TL) entitled “Why Are Wisconsin’s Karst Aquifers So Susceptible to Groundwater Contamination?” This talk focused on the hydrogeology …
Streams of Data from Streams of Wisconsin
In this August 2019 talk for Wednesday Nite @ The Lab (WN@TL), WGNHS hydrogeologist Dave Hart explained how he and his team used canoes outfitted with an array of sensors to record vast amounts of …