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USGS Groundwater Watch *
In order to continue Groundwater Watch operations after September 30, 2019, USGS Water Resources Mission Area migrated Groundwater Watch off of non-compliant servers. Because of limitations of the software components and the underlying hardware, the migration to the new infrastructure required a reduction in the number of networks served. The Groundwater Watch team, working with Water Science Centers, identified the networks that will be maintained on GWW during this transition.
We recognize that the reduction in available networks will impact USGS partners and other GWW users. In the future, the resources available for development of groundwater network delivery will focus on evaluating and re-designing map-based displays of groundwater data into contemporary products for serving value-added groundwater data.
The USGS has a distributed water database that is locally managed. Surface water, groundwater, and water quality data are compiled from these local, distributed databases into a national information system. The groundwater database contains records from about 850,000 wells that have been compiled during the course of groundwater hydrology studies over the past 100 years. Information from these wells is served via the Internet through NWISWeb, the National Water Information System Web Interface. NWISWeb provides all USGS groundwater data that are approved for public release. This large number of sites is excellent for some uses, but complicates retrievals when the user is interested in specific networks, or wells in an active water-level measurement program.