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Polluted by sewage 2,720 hours in 2025
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We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for New Forest West, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
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Donate Now| Company | Site Name | Receiving Waterway | Overflow Days | Total Duration (hours) | Total Duration (days) |
|---|---|---|---|---|---|
| Southern Water | MILFORD ROAD PENNINGTON SSO - 115419 | Solent | 53 | 901 h 24m | 37.54 |
| Southern Water | MILFORD ROAD PENNINGTON SSO - 115419 | Solent | 24 | 442 h 11m | 18.42 |
| Wessex Water | FORDINGBRIDGE SALISBURY STREET | River Avon | 24 | 414 h 40m | 17.25 |
| Southern Water | SOUTHERN ROAD PENNINGTON CSO - 108483 | Buckland Stream | 22 | 217 h 44m | 9.04 |
| Wessex Water | RINGWOOD HAMPSHIRE HATCHES LANE STORM TANK | Hampshire Avon River | 9 | 146 h 50m | 6.08 |
| Wessex Water | RINGWOOD HAMPSHIRE HATCHES LANE STORM TANK | Hampshire Avon River | 9 | 145 h 30m | 6.04 |
| Wessex Water | FORDINGBRIDGE FROG LANE STORM TANK | Hampshire Avon | 8 | 128 h 10m | 5.33 |
| Wessex Water | FORDINGBRIDGE SALISBURY STREET | River Avon | 7 | 81 h 54m | 3.38 |
| Southern Water | LYMORE CSO - 108463 | Lymore Stream | 20 | 69 h 24m | 2.88 |
| Southern Water | LYMINGTON SLIPWAY PENNINGTON CSO - 108453 | Lymington River Estuary | 6 | 62 h 6m | 2.58 |
| Wessex Water | FORDINGBRIDGE FROG LANE STORM TANK | Hampshire Avon | 3 | 29 h 24m | 1.21 |
| Wessex Water | VERWOOD EBBLAKE | Unknown | 2 | 18 h 20m | 0.75 |
| Wessex Water | VERWOOD EBBLAKE | Unknown | 4 | 14 h 12m | 0.58 |
| Southern Water | BECTON LANE BARTON ON SEA CEO - 108766 | English Channel | 2 | 14 h 2m | 0.58 |
| Southern Water | MILFORD ROAD PENNINGTON CEO - 116102 | Solent | 1 | 10 h 44m | 0.42 |
| Southern Water | HIGH STREET LYMINGTON CSO - 101701 | Lymington River | 8 | 7 h 23m | 0.29 |
| Southern Water | MILFORD ROAD PENNINGTON CEO - 116102 | Solent | 1 | 6 h 30m | 0.25 |
| Southern Water | LYMORE CSO - 108463 | Lymore Stream | 1 | 4 h 42m | 0.17 |
| Southern Water | BECTON LANE BARTON ON SEA CEO - 108766 | English Channel | 1 | 3 h 25m | 0.12 |
| Southern Water | STATION STREET LYMINGTON NO 1 CSO - 102640 | Lymington River | 2 | 1 h 8m | 0.04 |
| Southern Water | BRIDGE ROAD SCREEN LYMINGTON CSO - 101813 | Lymington River | 1 | 0 h 31m | 0 |
| Southern Water | SKY END LANE HORDLE CSO - 110232 | Lymore Stream | 1 | 0 h 18m | 0 |
| Southern Water | HIGH STREET LYMINGTON CSO - 101701 | Lymington River | 0 | 0 h | 0 |
| Southern Water | BRIDGE ROAD SCREEN LYMINGTON CSO - 101813 | Lymington River | 0 | 0 h | 0 |
| Southern Water | LYMINGTON SLIPWAY PENNINGTON CSO - 108453 | Lymington River Estuary | 0 | 0 h | 0 |
| Southern Water | SKY END LANE HORDLE CSO - 110232 | Lymore Stream | 0 | 0 h | 0 |
| Southern Water | SOUTHERN ROAD PENNINGTON CSO - 108483 | Buckland Stream | 0 | 0 h | 0 |
| Southern Water | STATION STREET LYMINGTON NO 1 CSO - 102640 | Lymington River | 0 | 0 h | 0 |
| Southern Water | FRIARS WALK BARTON ON SEA CSO - 108432 | Becton Bunny | 0 | 0 h | 0 |
| Southern Water | SUNNYFIELD ROAD BARTON ON SEA CSO - 108490 | Beckton Bunny | 0 | 0 h | 0 |
| Southern Water | SUNNYFIELD ROAD BARTON ON SEA CSO - 108490 | Beckton Bunny | 0 | 0 h | 0 |
| Southern Water | FRIARS WALK BARTON ON SEA CSO - 108432 | Becton Bunny | 0 | 0 h | 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. 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.
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