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Godalming and Ash was polluted by sewage 215 times in 2023
lasting 1,381 hours
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
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 Godalming and Ash in 2023
11 Sites polluted by Southern Water, Thames Water
215 sewage dumps
1,381 h duration
That's 1.92 months. 4.1 times a week, on average
Change Over Time
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Daily Data Since 2023
     Monitoring Online      Monitoring Offline      Polluting      Potentially Polluting      Unknown
Daily data is experimental and data is not guaranteed to be accurate. Please inform us of any issue, we will fix.

Pollution Summary 2023

Here are all the reported sewage overflow totals for Godalming and Ash 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 1 of the total 15 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Thames Water Cranleigh Waters LITTLEMEAD INDUSTRIAL ESTATE CSO 56 421 100
Southern Water Chiddingfold Stream CHIDDINGFOLD WWTW 28 199 99.6
Southern Water Freshwater River TURNERS MEAD P.S. 28 178 81.1
Thames Water Cranleigh Waters CRANLEIGH STW, CRANLEIGH, SURREY 27 164 93.7
Thames Water Blackwater Ash Vale 15 137 99.8
Thames Water Cranleigh Waters/Littlemead CSO AT KNOWLE LANE 22 95 100
Thames Water River Wey GODALMING WASTEWATER TREATMENT WORK 14 83 99.6
Thames Water Hascombe Stream Bramley 16 59 99.3
Southern Water Un River Arun HAMBLEDON PUMPING STATION 4 30 99.9
Thames Water Cranleigh Waters Taylors Crescent, Cranleigh 3 8 98
Southern Water Un River Arun NORTHBRIDGE WASTEWATER PUMPING STN 2 2 99.6
Thames Water Rowly Brook Rowly Drive 0 0 0
Southern Water Un River Arun COOPERS PLACE WORMLEY CEO 0 0 99.7
Thames Water Cranleigh Waters SHAMLEY GREEN (WONERSH) WWTW 0 0 100
Thames Water Littlemead Brook EWHURST ROAD, CRANLEIGH, SURREY 0 0 92.6

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.