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  3. Event Duration Monitoring - Storm Overflows - Annual Returns

Event Duration Monitoring - Storm Overflows - Annual Returns

Summary

This Event Duration Monitoring (EDM) dataset relates to the performance of storm overflows in England. Data are provided by Water and Sewerage Companies (WaSCs) to the Environment Agency each year as part of their regulatory Annual Return, to fulfil their permitted conditions to discharge from these storm overflows under the Environmental Permitting Regulations.

Data files are provided by year (2024, 2023, 2022, 2021 & 2020) and include a sheet for each of the 10 WaSCs with storm overflows...

Categories

Use limitation statement

There are no public access constraints to this data. Use of this data is subject to the licence identified.

Attribution statement

© Environment Agency copyright and/or database right 2025. All rights reserved.

Technical information

Update frequency

annually

Lineage

This annual summary Event Duration Monitoring (EDM) dataset relates to the performance of storm overflows. Data are provided by Water and Sewerage Companies (WaSCs) each year as part of their regulatory EDM Storm Overflow Annual Return. Summary data and long-term trends are produced from these returns by the Environment Agency.

Spatial information

Geographic extent

© OpenStreetMap contributors
  • Latitude from: 49.943 to 55.816
  • Longitude from: -6.236 to 2.072
Metadata information

Language

English

Metadata identifier

21e15f12-0df8-4bfc-b763-45226c16a8ac


Published by

Environment Agency

Contact publisher

Defra Data Services Forum

Dataset reference dates

Creation date

30 March 2021

Revision date

27 March 2025

Publication date

N/A

Period

  • From: 01 January 2020
  • To: 31 December 2024

Related datasets

N/A

Search

Data and Supporting Information
Data services and download by area of interestLinkAction
The Event Duration Monitoring - Storm Overflows - Annual Returns dataset in spatial form.Open link
Full downloads and supporting documentationFormatAction
EDM_2020_Storm_Overflow_Annual_Return.zipZIPDownload
EDM_2021_Storm_Overflow_Annual_Return.zipZIPDownload
EDM_2022_Storm_Overflow_Annual_Return.zipZIPDownload
EDM_2023_Storm_Overflow_Annual_Return.zipZIPDownload
EDM_2024_Storm_Overflow_Annual_Return.zipZIPDownload
EDM_Long-term_Trends_Storm_Overflow_Annual_Return.zipZIPDownload