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.

New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here.

This legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Upload Data

Help desk image Your organization can participate in the Water Quality Portal (WQP).

The WQX (EPA) has a spreadsheet template to help data owners organize their data and generate a file compatible with the WQP.

For information on how to prepare your data using WQX Web including an overview, demos, tutorials, and templates for Physical/Chemical, Biological, Habitat, and Indices data visit WQX Web Resources and Downloads.

For information on how to submit your data using WQX Web visit Getting started with WQX Web.

For questions about WQX Web, contact WQX (EPA)’s Help Desk Help desk image at wqx@epa.gov or 1-800-424-9067.