England · City and County of the City of London
Sunday 19 July
Hampstead Heath (Ladies Pond)
Caution. Sewage discharge 9.6km away 3 hours ago.
Updated just now
This is a water-quality verdict only. It does not account for tides, rip currents, cold water or lifeguard cover. Always check local signs before you enter the water. What we cannot tell you.
Why this verdict
- Discharge nearby
- 9.6km 3 hours ago (negative factor)
- Annual classification
- Good (positive factor)
- Pollution risk forecast
- Normal (positive factor)
- Rainfall (24h)
- 0mm (positive factor)
- Latest E. coli
- 120 cfu/100ml (positive factor)
- Latest intestinal enterococci
- 27 cfu/100ml (positive factor)
Recent sewage discharges nearby
Storm overflows operated by Thames Water Utilities Limited within ten kilometres in the last 48 hours.
- Ended 3 hours agoLytton Road SSO · into Pymmes Brook9.6km from the bathing water
Latest bacteria reading
Latest sample · 9 July 2026 · 9 days ago
- E. coli
- 120cfu/100ml
- Intestinal enterococci
- 27cfu/100ml
The regulator samples weekly during the bathing season. E. coli and intestinal enterococci are the indicator organisms used in the official classification.
Where this data comes from
- Contains Environment Agency information © Environment Agency and database right
- Contains Thames Water storm overflow data © Thames Water Utilities Limited
- View the regulator's full profile