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Here are all the reported sewage overflow totals for Harpenden and Berkhamsted 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 7 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 | Grand Union Canal | BERKHAMSTED SEWAGE TREATMENT WORKS | 33 | 227 | 99.8 |
| Thames Water | Lee | Harpenden | 4 | 35 | 99.8 |
| Thames Water | Gw Via Boreholes | CADDINGTON WWTW | 3 | 14 | 100 |
| Thames Water | River Ver | MARKYATE WASTEWATER TREATMENT WORKS | 4 | 10 | 93.5 |
| Thames Water | Into Guc/Reservoir | Tring (2m - Main Outfall) | 1 | 1 | 93.1 |
| Thames Water | River Bulborne | Trumps Green | 0 | 0 | 100 |
| Thames Water | River Lee | WHEATHAMPSTEAD PUMPING STATION , HE | 0 | 0 | 0 |
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.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org