What is NAWQA? Bob Hirsch, the Chief Hydrologist of the USGS, describes the purpose of the NAWQA program.

National progress to-date --  objectives, approaches and selected accomplishments of the USGS National Water-Quality Assessment (NAWQA) Program since its inception in 1991 are summarized, setting the foundation as the Program plans for its third cycle of national assessment, which will begin in 2012

Project Description Fact Sheet An overview of the NAWQA program in Iowa, the study area, and major water-quality issues, by Stephen Kalkhoff, the Study Unit Chief.

Official EIWA Project Description The "Official" project description, detailing the project's Need for Study, Objectives, and Progress.

Study Unit Publications A comprehensive list of reports, factsheets, and abstracts produced from the Eastern Iowa Basins study unit.

NAWQA Program Homepage. This is the national NAWQA Program Homepage, with more information about the NAWQA program and links to all national NAWQA sites.