Here are all the reported sewage overflow totals for Henley 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 3 of the total 28 CSO locations had reporting enabled for less than half the year, of which 3 had zero reporting.
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Thames Water | Warpsgrave Ditch | CHALGROVE STW, CHALGROVE, OXON | 132 | 2,201 | 99.8 |
| Thames Water | Wheatley Ditch | WHEATLEY STW, WHEATLEY, OXON | 124 | 2,077 | 99.8 |
| Thames Water | Bletchingdon Brook | BLETCHINGDON WWTW | 120 | 1,554 | 99.1 |
| Thames Water | Gainsbridge Brook | LITTLE MILTON WWTW | 68 | 1,258 | 97.8 |
| Thames Water | Oxon River Ray | ISLIP STW, ISLIP, OXON | 70 | 1,202 | 100 |
| Thames Water | Gallos Brook | WESTON-ON-THE-GREEN WWTW | 63 | 1,065 | 98.1 |
| Thames Water | Oxon Ray | CHARLTON-ON-OTMOOR WWTW | 77 | 792 | 98.1 |
| Thames Water | Danes Brook | HORTON-CUM-STUDLEY WWTW | 55 | 670 | 99.8 |
| Thames Water | Henton Stream | CHINNOR STW, CHINNOR, OXON | 89 | 558 | 99.5 |
| Thames Water | Clifton Hampden Ditch | CULHAM WASTEWATER TREATMENT WORKS | 32 | 509 | 99.7 |
| Thames Water | Lashlake Stream | THAME WASTEWATER TREATMENT WORKS | 38 | 438 | 99.8 |
| Thames Water | Latchford Brook | TETSWORTH WWTW | 36 | 305 | 94 |
| Thames Water | Howbery Ditch | BENSON STW, HENLEY ROAD, BENSON, OX | 12 | 164 | 99.6 |
| Thames Water | Otmoor Lane Ditch | CONSTABLE'S PIECE WWTW | 22 | 141 | 81.6 |
| Thames Water | Pyrton Stream | Watlington | 8 | 17 | 99.9 |
| Thames Water | Thames | Littlemore Low Level | 5 | 17 | 99.5 |
| Thames Water | Thame | DORCHESTER WWTW | 4 | 17 | 99.5 |
| Thames Water | Thames | Friday Street, Henley | 14 | 11 | 87.8 |
| Thames Water | Polecat End Ditch | Forest Hill | 3 | 6 | 99.9 |
| Thames Water | Into Land | Sonning Common | 1 | 4 | 99.3 |
| Thames Water | Fawley Court Stream | HENLEY WASTEWATER TREATMENT WORKS | 1 | 3 | 99.3 |
| Thames Water | Sydenham Stream | Manor Farm | 1 | 1 | 99.6 |
| Thames Water | Thames | Reading, Caversham | 0 | 0 | 98.7 |
| Thames Water | Cherwell | Woodeaton STW Pumping Station | 0 | 0 | 0 |
| Thames Water | Stanton Stream | Stanton St. John STW Pumping Statio | 0 | 0 | 0 |
| Thames Water | River Thames | GORING WASTEWATER TREATMENT WORKS | 0 | 0 | 98.9 |
| Thames Water | Gallos Brook | Weston-on-the-green STW Pumping Sta | 0 | 0 | 93.2 |
| Thames Water | Moorbridge Brook | Stanton St John | 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.
