Can you swim at Ham and Kingston, River Thames?

Caution. No verified classification for this site yet. Ham and Kingston, River Thames is a designated bathing water, so it is sampled and rated every season. This answer covers water quality only, not tides, currents or lifeguard cover.

What is the water quality like at Ham and Kingston, River Thames?

We hold no annual classification for Ham and Kingston, River Thames. The most recent sample, taken 15 September 2026, showed 770 cfu/100ml of E. coli and 120 cfu/100ml of intestinal enterococci.

Has there been sewage at Ham and Kingston, River Thames recently?

No. No storm overflow within ten kilometres of Ham and Kingston, River Thames has discharged in the last 48 hours.

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England · Kingston upon Thames

Friday 2 October

Ham and Kingston, River Thames

Caution. No verified classification for this site yet.

Water quality only This says nothing about tides, rip currents, cold water shock or lifeguard cover. Cold water and currents are dangerous even when the water is clean. Read the local signs before you go in. What we cannot tell you.

Checked 06:09 UK time

Why this verdict

Bathing season: Closed until 15 May (neutral factor)
Annual classification: Unknown (neutral factor)
Pollution risk forecast: Normal (positive factor)
Latest E. coli: 770 cfu/100ml (positive factor)
Latest intestinal enterococci: 120 cfu/100ml (positive factor)

Out of season

Weekly sampling and the daily pollution-risk forecast pause on 30 September and resume on 15 May. This verdict rests on the annual classification, live storm-overflow data and rainfall in the last 24 hours.

Storm overflows are driven by rain, so they spill more in autumn and winter than in summer. See every spill happening now across the UK.

Latest bacteria reading

Latest sample · 15 September 2026 · 2 weeks ago

E. coli: 770cfu/100ml
Intestinal enterococci: 120cfu/100ml

This is the most recent reading. Sampling resumes on 15 May. E. coli and intestinal enterococci are the indicator organisms used in the official classification.

Storm overflows nearby

The Environment Agency does not link any storm overflow directly to Ham and Kingston, River Thames, so there is no spill record for it. There were 47 monitored overflows within ten kilometres in 2025, whether or not they drain here.

See the worst beaches for sewage in England →

Common questions

Can you swim at Ham and Kingston, River Thames?: Caution. No verified classification for this site yet. Ham and Kingston, River Thames is a designated bathing water, so it is sampled and rated every season. This answer covers water quality only, not tides, currents or lifeguard cover.
What is the water quality like at Ham and Kingston, River Thames?: We hold no annual classification for Ham and Kingston, River Thames. The most recent sample, taken 15 September 2026, showed 770 cfu/100ml of E. coli and 120 cfu/100ml of intestinal enterococci.
Has there been sewage at Ham and Kingston, River Thames recently?: No. No storm overflow within ten kilometres of Ham and Kingston, River Thames has discharged in the last 48 hours.

Where this data comes from

Spill counts from the Environment Agency EDM Storm Overflow Annual Returns, 2021 to 2025, published annually.
View the regulator's full profile

Other beaches nearby

Rated Good The Serpentine - Hyde Park City of Westminster Rated Excellent Hampstead Heath (Mixed Pond) City and County of the City of London Rated Excellent Hampstead Heath (Mens Pond) City and County of the City of London Rated Good Hampstead Heath (Ladies Pond) City and County of the City of London

Cleanest beaches in England →

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Gareth Clubb