USGS Water Services

Water Quality Portal (WQP) API

A cooperative service sponsored by USGS and EPA providing access to water quality data from over 400 agencies including USGS NWIS and EPA WQX. Endpoints cover monitoring sites, chemistry results, biological metrics, activity data, and detection limits. Supports spatial, temporal, characteristic, and organizational filters. Output formats include CSV, TSV, XLSX, XML, GeoJSON, KML, and KMZ.

GitHub

Documentation

📖
Documentation
https://www.waterqualitydata.us/webservices_documentation/

Other Resources

🔗
Website
https://www.waterqualitydata.us/

API entry from apis.yml

apis.yml Raw ↑ 
aid: usgs-water:water-quality-portal
name: Water Quality Portal (WQP) API
description: A cooperative service sponsored by USGS and EPA providing access to water quality data from
  over 400 agencies including USGS NWIS and EPA WQX. Endpoints cover monitoring sites, chemistry results,
  biological metrics, activity data, and detection limits. Supports spatial, temporal, characteristic,
  and organizational filters. Output formats include CSV, TSV, XLSX, XML, GeoJSON, KML, and KMZ.
humanURL: https://www.waterqualitydata.us/webservices_documentation/
baseURL: https://www.waterqualitydata.us/data/
tags:
- Water Quality
- EPA
- Chemistry
- Biology
- Monitoring
- Multi-Agency
properties:
- type: Documentation
  url: https://www.waterqualitydata.us/webservices_documentation/
- type: Website
  url: https://www.waterqualitydata.us/