Sewage spills in Sheffield
Includes overflow assets operated by Yorkshire Water within 5 km of the town centre.
Total spills
1,979
Duration
5,350hrs
Infrastructure
86
Based on the latest Environment Agency storm overflow data
What does 5,350 hours mean?
Combined across all 86 sites in Sheffield, that is equivalent to sewage being discharged continuously for 222.9 days non-stop into local waterways (if all reported hours ran back-to-back). In practice, spills are separate events spread across the year.
Top 10 sites by spill count
Sites by severity
86sites
- Critical (>100 spills)1
- High (50–100 spills)10
- Moderate (10–49 spills)45
- Low (<10 spills)30
Site details
Counts use the EA 12–24 hour reporting method for the most recent year with spills, per site. Environment Agency EDM dataset.
| Site name | Water company | Spill count | Duration (hours) |
|---|---|---|---|
| High Bridge Hillsborough CSO | Yorkshire Water | 106 | 706 |
| Herries Road No 2 CSO | Yorkshire Water | 79 | 225 |
| Herries Road CSO | Yorkshire Water | 75 | 170 |
| Vickers Road CSO | Yorkshire Water | 71 | 163 |
| Hangingwater Road CSO | Yorkshire Water | 65 | 228 |
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