// SCIENCE & MATH
USGS Water Services
Water quality and level info for rivers and lakes
USGS Water Services is a free public Science & Math API with no authentication required. It supports HTTPS and does not enable CORS.
// FACTS
- Category
- Science & Math
- Authentication
- none
- HTTPS
- yes
- CORS
- no
- Endpoint
- waterservices.usgs.gov
- Cost
- Free
// FREQUENTLY ASKED
What is USGS Water Services?
USGS Water Services is a free public API in the Science & Math category. Water quality and level info for rivers and lakes
Does USGS Water Services require authentication?
No — USGS Water Services can be used immediately without any API keys or authentication.
Is USGS Water Services free?
Yes. USGS Water Services is listed in our directory of free public APIs and is free to use. Check the official site for any rate limits or paid tier limitations.
Does USGS Water Services support HTTPS?
Yes, USGS Water Services supports HTTPS encrypted requests.