Water Quality Data Download

• Main Water Quality Data (WQX) Page

  

  This returns users to the Water Quality Data (WQX) landing page.

  Water Quality Data

• Water Quality Data Upload with WQX

  

  The Water Quality eXchange (WQX) is a universal format for sharing water quality data. Users can prepare their data for upload using spreadsheet Templates, develop custom imports in WQXWeb, or submit WQX-ready data via the Exchange Network.

  Water Quality Data Upload with WQX

• Learn More about Water Quality Data

  

  General Information, Data Assistance, Tools, Training Videos, User Community, and Funding.  Learn how to get "1 on 1" data assistance with WQX .

  Learn More about Water Quality Data

Water quality data submitted from over 900 federal, state and tribal agencies, watershed organizations and other groups are available to support your water quality analyses. Water quality data includes physical, chemical, biological, habitat, metrics and indexes data. Data can be retrieved from the following sources:

• Water Quality Portal
• Legacy Data

Water Quality Portal

The Water Quality Portal (WQP) is a cooperative service sponsored by the United States Geological Survey (USGS), the Environmental Protection Agency (EPA) and the National Water Quality Monitoring Council (NWQMC). It serves over 430 million water result records from EPA STORET/WQX, the USGS National Water Information System (NWIS) and the U.S. Department of Agriculture Sustaining the Earth's Watersheds, Agricultural Research Data System (STEWARDS).

• Water Quality Portal Quick Reference Guide 
• Visit the Water Quality Portal 
• Tools for Automated Data Analysis (TADA) - A series of R tools designed to help Tribes, Tribal Nations, Pueblos, States and stakeholders more efficiently compile and evaluate Water Quality Portal (WQP) data collected from water monitoring sites.
• Water Quality Portal MOU between the U.S. Geological Survey and U.S. Environmental Protection Agency.

Legacy Data

The LDC (Legacy Data Center) contains historical water quality data dating back to the early part of the 20th century and collected up to the end of 1998. Data is no longer being placed in the Legacy Data Center, but the public can still access data from the ftp site:  https://gaftp.epa.gov/storet/exports/