Ask WATERS answers multi-program questions that draw on information from the databases linked through WATERS. This tool generates cross-program calculations, examines spatial relationships between programs, performs nationwide analyses, produces multi-program inventory reports for a given geographic area, and investigates interstate water quality issues.

The Simple Query answers frequently asked questions about WATERS data. Its easy-to-use interface returns summary, detailed, and graphical results in an easy-to-read format.

The Expert Query is a powerful tool consisting of fully interactive database views for users requiring more specific data analyses.

AskWATERS is one of several tools that are derived from the WATERS database.