England · Oxford
Wolvercote Mill Stream
No. Annual classification is Poor and bathing is advised against.
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 UK time
Why this verdict
- Annual classification
- Poor (negative factor)
- Pollution risk forecast
- Normal (positive factor)
- Rainfall (24h)
- 0mm (positive factor)
- Latest E. coli
- 330 cfu/100ml (positive factor)
- Latest intestinal enterococci
- 130 cfu/100ml (positive factor)
Latest bacteria reading
Latest sample · 17 August 2026 · 2 weeks ago
- E. coli
- 330cfu/100ml
- Intestinal enterococci
- 130cfu/100ml
The regulator samples weekly during the bathing season. E. coli and intestinal enterococci are the indicator organisms used in the official classification.
Sewage spills, 2022 to 2025
The Environment Agency links 1 storm overflow to Wolvercote Mill Stream. It did not discharge at all in 2025.
Down 100% since 2022, from 274 spills to 0.
Counting every monitored overflow within ten kilometres instead, whether or not it drains here, gives 375 spills across 14 overflows in 2025.
Common questions
- Can you swim at Wolvercote Mill Stream?
- No. Annual classification is Poor and bathing is advised against. Wolvercote Mill Stream 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 Wolvercote Mill Stream?
- Wolvercote Mill Stream is rated Poor in the regulator's latest annual classification, a percentile taken over readings from up to four bathing seasons. The most recent sample, taken 17 August 2026, showed 330 cfu/100ml of E. coli and 130 cfu/100ml of intestinal enterococci.
- Has there been sewage at Wolvercote Mill Stream recently?
- No. No storm overflow within ten kilometres of Wolvercote Mill Stream has discharged in the last 48 hours.
Where this data comes from
- Contains Environment Agency information © Environment Agency and database right
- Spill counts from the Environment Agency EDM Storm Overflow Annual Returns, 2021 to 2025, published annually.
- View the regulator's full profile
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