Orkney and Shetland was polluted by sewage 1,347 times in 2023
lasting 4,557 hours
- but monitoring was disabled in some locations, so could be more

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for Orkney and Shetland in 2023
3 Sites polluted by Scottish Water
1,347 sewage dumps
4,557 h duration
That's 6.33 months. On average 3.7 times a day
Change Over Time
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Constituencies near Orkney and Shetland

Pollution Summary 2023

Here are all the reported sewage overflow totals for Orkney and Shetland in 2023. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency 7 of the total 10 CSO locations had reporting enabled for less than half the year, of which 7 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Scottish Water Bay of Firth FINSTOWN HEDDLE ROAD PS CSO 1,053 2,480 100
Scottish Water The String KIRKWALL(HEAD OF WORK) STW 2003 HY475137 KIRKWALL WWTW 2003 HY475137 253 1,762 100
Scottish Water Lerwick Harbour LERWICK ROVAHEAD WWTW 2000 HU469448 41 314 100
Scottish Water Hamnavoe STROMNESS GARSON SPS CSO 0 0 0
Scottish Water Stromness Harbour STROMNESS GRAHAM PLACE SPS CSO 0 0 0
Scottish Water Stromness Harbour STROMNESS SOUTH END CSO 0 0 0
Scottish Water Stromness Harbour STROMNESS FISHERMANS SOCIETY SPS CSO 0 0 0
Scottish Water Stromness Harbour STROMNESS NAVIGATION SCHOOL SPS CSO 0 0 0
Scottish Water St Margaret's Hope Bay ST MARGARETS HOPE WWTW ND451938 0 0 0
Scottish Water Stromness Harbour STROMNESS FERRY ROAD CSO 0 0 0

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. This uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.