Official websites use .gov
A .gov website belongs to an official government organization in the
United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share
sensitive information only on official, secure websites.
Due to a lapse in government funding, this website is not currently being updated. For more information please visit: www.doi.gov/shutdown
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.
A pipeline-based approach for making large data pulls from Water Quality Portal
