This blog describes a mapping file available to users to ease the transition to the WQX version 3.0 format. The spreadsheet provides high-level mapping of data fields in the legacy NWIS format to WQX fields.
Keywords: water quality portal
WQX3.0 data are available through the Water Quality Portal. This updated version of the schema includes new elements and new profiles with updated column names.
The USGS just released new ways to access water quality and sample data in a recently expanded WQX data format.
The USGS is expanding its implementation of the Water Quality Exchange (WQX) standard for delivering water quality and sample data.
USGS is improving the way that sample data are stored and served to the public. These changes will affect our back-end data management systems, web services, application programming interfaces (APIs), computational tools, and user interfaces for accessing data.
A pipeline-based approach for making large data pulls from Water Quality Portal