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Polluted by sewage 200 times in 2025 lasting 514 hours
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Donate NowHere are all the reported sewage overflow totals for Y Fflint in 2025. 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 place all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Dwr Cymru Welsh Water | Pandy Brook,Tidal Dee | FLINT WWTW | 21 | 168 | 99.9 |
| Dwr Cymru Welsh Water | Dee Estuary | FLINT BARDYN PS , , | 77 | 153 | 99.9 |
| Dwr Cymru Welsh Water | Unnamed W/C | FLINT IN GARDEN 102 MAES GWYN | 69 | 135 | 96.6 |
| Dwr Cymru Welsh Water | Dee | FLINT DEE COTTAGES PS | 19 | 36 | 99.8 |
| Dwr Cymru Welsh Water | Pentre Ffwrndan Drain | Oakenholt Main SPS | 2 | 15 | 99.9 |
| Dwr Cymru Welsh Water | Unnamed W/C | BAGILLT GREENACRE DRIVE - SSO | 9 | 5 | 98 |
| Dwr Cymru Welsh Water | Unnamed Watercourse | Bagillt verge off Manor Drive CSO | 3 | 0 | 99.3 |
| Dwr Cymru Welsh Water | Unnamed W/C | BAGILLT TYDDYN MESHAM LANE - SSO | 0 | 0 | 78.7 |
| Dwr Cymru Welsh Water | Swinchiard Brook | FLINT STW (THE MEADOWS) , , | 0 | 0 | 99.9 |
| Dwr Cymru Welsh Water | Not Permitted | Flint Castle No1 SPS | 0 | 0 | 99.9 |
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. Live sewage data from Stream Water API
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.
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Get in touch if you have queries or want to discuss our data.
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