| NEWSLETTERS |
| Issue | Features |
| May 2004 | Extreme Flood Events in Model Verification and Flow Estimation; Methyl Tert-Butyl Ether (MTBE) and other Volatile Organic Compounds in Community Drinking-Water Supplies in the U.S.; Highlights of the Upper Illinois Basin NAWQA, 1999-2001 |
| November 2003 | Chicago Surface Soils; Dam Removal Analysis Results on Brewster Creek; Irrigation Discharge in the Imperial Valley |
| May 2003 | 10th Anniversary of Mississippi River Flooding of 1993; Hydrogeologic Assessment of Campton Township; When is the Next Earthquake in Illinois; Flooding in Illinois During Spring 2002 |
| November 2002 | Long-Term Documentation of Stream Restoration; Judy's Branch Sediment and Geomorphic Study Update |
| May 2002 | Geoprobe; Agricultural Chemicals in Illinois Ground-Water--Recent Studies |
| November 2001 | Chicago Underflow Plan (The Deep Tunnel); Metro East Sediment and Geomorphic Study; Adventures in Collecting Aquatic Macroinvertebrates |
| May 2001 | Lower Illinois River Basin NAWQA Summary; Frequency Analysis for Peak Streamflows of Rural Watersheds; Lake Michigan Diversion |
| November 2000 | Suspended Sediment Budget and Yields for the LaGrange Pool of the Illinois River; Hydrogeology and Simulation of Ground-Water Flow in the Aquifers Underlying Belvidere, Illinois; The Necessity for Real-Time Streamflow Data; Source Water Assessment Program in Illinois |
| March 2000 | Are We Drinking Too Much Arsenic?; Upper Illinois River Basin NAWQA |
