Skip to main content

An official website of the United States government

Here’s how you know

Here’s how you know

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.

NATIONAL WATER QUALITY MONITORING COUNCIL

Home
- NWIS
- WQX

WQP Home > Providers > STORET > USGS-AR

Water Quality Portal Data Sites for USGS-AR

This organization has 0 sites. Click on a grouped icon to zoom and expand

What is the WQP?
Contributing orgs
Apps using the WQP
Other Water Quality Portals
Explore WQP sites

USGS Science for a changing world

EPA

NWIS (USGS) Last Content Change: 2024-03-11

WQX (EPA) Last Content Change: 2025-03-30

Agency Contact Center

1-800-424-9067

WQX@epa.gov