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Pollution incidents
Although we strive to protect the environment, sewage can be released accidentally into the environment as a result of an incident such as a sewer collapse or a failure at a sewage treatment works.
We are committed to measuring our performance against varying levels of pollution, for example, a category one pollution incident would be classed as significant and a category three incident as minor.
This measure will identify how many times the water environment has been polluted as a result of our activities or assets.
Unit of measurement |
Current performance (21/22) |
2025 target |
|
Incidents per 10,000km sewers |
✔ 20.6 |
19.5 |