Allan Ruddy


B.S., Geology, Northern Arizona University, 1999




2000 to 2001-USGS, Malvern, PA: Member of Pennsylvania Bridge Scour Assessment team; completed groundwater map of North Penn Area 7 Superfund site.

2001 to 2003- USGS, Dover, DE: Operated 13 stream gages, oversaw field component of salt-water intrusion monitoring for a coastal county, assisted with contaminate hydrogeology studies at a military facility, took lead role in data collection for nutrient-load study to a coastal bay.

2003-2008- USGS, Malvern, PA/Exton, PA:

2008-Present- USGS, Pittsburgh, PA:



Senior, Lisa A.; Ruddy, Allan J., 2004. Altitude and Configuration of the Water-Level Surface in Mesozoic Sedimentary Rocks at and Near the North Penn Area 7 Superfund Site, Upper Gwynedd Township, Montgomery County, Pennsylvania, December 4-6, 2000. U.S. Geological Survey Open-File Report 2004-1006, 1 sheet, 24 by 20 inches