Is the sea safe to swim today?
Check any Cornwall beach for sewage spills, water-quality risk, rainfall, official samples and community reports — then report pollution or illness yourself.
No account needed — guidance only, not medical advice. Risk updated 3 min ago.
Today's Cornwall water-risk summary
All 90 beaches →Last updated 3 min ago · refreshed continuously from public sources
Cornwall water map
Open full map →Highest concern right now
One picture, many sources
Official data
Environment Agency bathing-water samples & classifications, plus South West Water storm-overflow monitoring (EDM).
Conditions
Rainfall and tide data put each spill and sample in context — heavy rain drives overflows.
Independent samples
Community and citizen-scientist water tests, where available.
Your reports
Pollution sightings and post-swim illness reports from people on the ground.
Got ill after swimming?
Build a timestamped evidence pack linking your swim to nearby spills, rainfall, tides and official samples around that date. Useful for complaints — correlation, not proof of causation.
Build an evidence reportSee something? Report pollution
Scum, sewage smell, wet wipes, discoloured water, dead fish or foam — add a photo, time and place to put it on the map.
Report pollutionLatest spill events (7 days)
All spill locations →- TRIB OF THE RIVER PLYM3 min ago
- TRIB OF ST LAWRENCE STREAM3 min ago
- CHOLWELL BROOK3 min ago
- STONEHOUSE CREEK (E)3 min ago
- RIVER TAMAR ESTUARY(E)3 min ago
- ST MELLION STREAM(S)3 min ago
- TRIBUTARY OF THE RIVER OTTERY3 min ago
- ST LAWRENCE STREAM3 min ago
Why you can trust this
Glanmor is independent and community-run. Every rating links to its underlying records, sources are named on each page, and the risk model is documented and versioned.