Water

Government

• River and sea levels – https://flood-warning-information.service.gov.uk/river-and-sea-levels

CEH

• UK Lake Ecological Observatory – https://www.ceh.ac.uk/our-science/projects/uk-lake-ecological-observatory-network-ukleon
• National River Flow Archive – https://nrfa.ceh.ac.uk/data/search

NRW

• River levels – https://naturalresources.wales/evidence-and-data/maps/check-river-levels/?lang=en

Dwr Cymru

• Combined Sewer Overflow – https://www.dwrcymru.com/en/devmap/CSO-Monitoring.aspx

GaugeMap

• River gauges – https://www.gaugemap.co.uk/