Is It Safe To Swim?
E-Coli is measured in CFU/100ml. The UK safe bathing level is 1000 CFU/100ml.
- 🟢 Excellent — below 250
- 🟡 Good — below 500
- 🟠 Sufficient — below 1000
- 🔴 Poor — above 1000 (bathing not recommended)
Sample age (value in brackets)
- None — sample taken today
- 1D — sample taken yesterday
- 2D — sample taken 2 days ago
- 1W — sample taken 1 week ago
- 2W — sample taken 2 weeks ago