4,223
Residents (2021)
3
Testing sites
2
Sewage assets
0
Treatment works
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Water-quality sites
| Site | Water | Classification | Samples |
|---|---|---|---|
| Ashburn | Freshwater | Insufficient data | 15 |
| Ashburn (SWW) | Freshwater | Insufficient data | 12 |
| Holne Weir | Freshwater | Good | 89 |
Classification uses the EA bathing-water method (log-normal percentiles, ≥10 samples) applied across all available data, not an official seasonal assessment.