Event Duration Monitoring

Download our full Event Duration Monitor reports for 2020.

This data was shared with the Environment Agency for our 2020 submission.

Figures for 2021 will be released in 2022.

This Event Duration Monitor report covers the monitors at storm overflow locations.

Each line covers a single storm overflow. It shows:

• spill frequency
• duration of spill
• percentage of reporting period the EDM was operational

Comments have been added to highlight key information regarding the data supplied.

Where the first reporting year is indicated as 2020, the period of reporting starts from the 1st April 2020 to align with the updated Environment Agency permit.