Featured Project
USGS Provides Water-Quality Information in a Format Compatible with EPA
The USGS water-quality web services produce data formatted according to the Water Quality Exchange (WQX) Outbound XML schema, which has been developed collaboratively by EPA and USGS.
The USGS Water-quality Web Service qwwebservices.usgs.gov is an automated data access method for retrieving recent and historical USGS water-quality data collected by both EPA and USGS investigations around the country.
Both the USGS and EPA source database systems contain vast amounts of information making the data merging process often cost prohibitive in data interpretations.
A web service was developed as a computer-to-computer protocol that allows for the direct sharing of information. The services provide the foundation to combine data from USGS's NWIS and EPA's STORET systems using a common data format.
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