Flood Monitoring API (Environment Agency)
by environment.data.gov.uk
Energy and environment
Added on November 7th, 2026
Checked and working on November 7th, 2026
Visit environment.data.gov.uk →
What it does
The Flood Monitoring API from England's Environment Agency gives current flood warnings and alerts, and near real-time river levels, flows and rainfall from thousands of measuring stations, for example to warn users about floods near an address. Responses are JSON (or CSV). Free, no key needed.
At a glance
- API key
- Not needed · More APIs with no key
- Pricing
- Free, no key needed.
- From the browser
- Yes (CORS)
- Formats
- JSON
- Interface
- REST, HTTP-GET
- Provider
- environment.data.gov.uk
- Last checked
- Working on November 7th, 2026
More information: https://environment.data.gov.uk/flood-monitoring/doc/reference
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Example request
curl
curl 'https://environment.data.gov.uk/flood-monitoring/id/floods?_limit=1'
JavaScript
const response = await fetch("https://environment.data.gov.uk/flood-monitoring/id/floods?_limit=1");
const data = await response.json();
console.log(data);
Python
import requests
response = requests.get(
"https://environment.data.gov.uk/flood-monitoring/id/floods?_limit=1",
timeout=30,
)
print(response.json())
The JavaScript works in a web page as well as in Node.js 18 or newer.