What the water company itself reported to the Environment Agency's annual returns for this overflow, year by year. Spills are counted on the regulator's 12/24-hour counting rule; hours are the total reported discharge duration; monitor working is the share of the year the event monitor was operating. These figures are the operator's own reporting, not our measurement, and our live record above begins on 6 May 2026.
2024, the operator's stated reason: "High spill threshold not met"
2025, the operator's stated reason: "High spill threshold not met"
Source: Environment Agency, Event Duration Monitoring storm overflow annual returns, all years. Matched to this overflow by hub id. How we keep the record.