U.S. Geological Survey

USGS Water Services (Legacy)

The original USGS NWIS water services API providing streamflow, groundwater, water quality, and site information via REST protocol in XML and other media types. High availability and fault-tolerant design.

GitHub

Documentation

📖
Documentation
https://nwis.waterservices.usgs.gov/

API entry from apis.yml

apis.yml Raw ↑ 
aid: u-s-geological-survey:usgs-water-services
name: USGS Water Services (Legacy)
tags:
- Water
- Hydrology
- Legacy
humanURL: https://www.usgs.gov/tools/usgs-water-services
properties:
- url: https://nwis.waterservices.usgs.gov/
  type: Documentation
description: The original USGS NWIS water services API providing streamflow, groundwater, water quality,
  and site information via REST protocol in XML and other media types. High availability and fault-tolerant
  design.