Users can find a list of primacy agencies' publicly maintained drinking water databases, whose data may be more-up-to date and detailed than at the EPA. This system offers the capability to query the ...

A database is one or more sets of data, for example numbers, characters and images, bundled together with software that enables data to be added, removed or retrieved. Databases can be used to store ...

Get ready for improvements to one of our most popular web applications! The EPA and USGS are partnering to modernize the vital Water Quality Portal (WQP) and advance a shared vision to deliver ...