Andrew Hahn

Investigative Reporter and Data Visualization Developer

Portfolio

Wisconsin PFAS Explorer

View the latest DNR test results for per- and polyfluorylalkyl substances in Wisconsin municipal water systems.

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Mapping Student Movement Across Campus

A project to use GIS analytical techniques to identify ideal student engagement opportunities at the University of Wisconsin-Madison.

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Mapping Water Woes in the Dairy State

Using agriculture and water data from the DNR, I explored the risk of water contamination in rural Wisconsin.

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Trichloroethylene (TCE) Cleanup Sites in Milwaukee County

A Milwaukee Journal Sentinel investigation into sites contaminated by a carcinogen linked to health issues in Milwaukee homes and workplaces.

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Bringing Wisconsin State Parks to Life

I used John Nelson's excellent hillshade tutorial to bring a favorite childhood hangout to life with texture and shadow.

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