Wolvercote Mill Stream water quality history
Explore historical Environment Agency samples and annual bathing water classifications for Wolvercote Mill Stream in Oxford.
Wolvercote Mill Stream is a branch of the River Thames that runs between King's Lock and Godstow Lock at North Oxford. The bathing water site is located in the northeast corner of Port Meadow, immediately downstream of Wolvercote Bridge. Access to the swimming area is via the Wolvercote car park. The site is around 1 mile north of Oxford City Centre and can be easily accessed by foot or bicycle.
- Available sample history
- 2022 to 2026
- Samples
- 100
- Latest official classification
- Poor (2025)
Interactive charts are loading. The classification history is available below.
Annual classification history
Official assessments and historical estimates are labelled separately. Missing years are not filled in.
| Year | Classification | Assessment source |
|---|---|---|
| 2025 | Poor | Official Environment Agency assessment |
| 2024 | Poor | Official Environment Agency assessment |
| 2023 | Poor | Official Environment Agency assessment |
| 2022 | Poor | Official Environment Agency assessment |
Source: Environment Agency / Swimfo. Data retrieved 16 October 2026. Historical trends do not describe conditions today; check Swimfo and local notices for current advice.
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- Sheep's Green, River CamCambridge