Blyth and Ashington was polluted by sewage 1,551 times in 2024
lasting 11,207 hours - that's 1.3 years!

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Contains OS Data © Crown copyright & database right 2021-2024
© Top of the Poops 2021-2024
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✔ means we have experimental daily data since 2023
Live data for Blyth and Ashington in 2025
So far this year (as of Apr 16, 2025, 5:30 PM) there has been 1,088 hours of sewage overflows - that's 0.13 years!
Totals for Blyth and Ashington in 2024
41 Sites polluted by Northumbrian Water
1,551 sewage dumps
11,207 h duration
That's 1.3 years! On average 4.2 times a day
Change Over Time
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Daily Data
We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Blyth and Ashington, 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.
     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 2024

Here are all the reported sewage overflow totals for Blyth and Ashington in 2024. 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 0 of the total 43 CSO locations had reporting enabled for less than half the year, of which 0 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Northumbrian Water Blyth Saline Estuary NORTH BLYTH PUMPING STATION 105 1,777 100
Northumbrian Water River Blyth BLYTH NO5 SPS 118 1,612 100
Northumbrian Water Blyth Estuary JOHN STREET CSO 114 942 99.8
Northumbrian Water River Blyth BLYTH (NEW) SEWAGE TREATMENT WORKS 59 875 73.6
Northumbrian Water North Sea NORTH CAMBOIS PUMPING STATION 37 722 50.1
Northumbrian Water North Sea NEWBIGGIN SEWAGE TREATMENT WORKS 96 713 74.8
Northumbrian Water North Sea CAMBOIS SEWAGE TREATMENT WORKS 102 672 100
Northumbrian Water River Blyth BATES COLLIERY SPS 65 638 99.9
Northumbrian Water Sleek Burn WEST SLEEKBURN FARM CSO 50 468 100
Northumbrian Water River Blyth SOUTH BLYTH HARBOUR CSO 47 342 89.4
Northumbrian Water Horton Burn EAST HARTFORD PS 33 238 100
Northumbrian Water Rowlington Burn SEATON NORTH HOTEL CSO (WK013) 57 216 99.2
Northumbrian Water Blackclose Burn ASHINGTON CSO PARK ROAD WK 006 30 209 98
Northumbrian Water River Wansbeck NORTH SEATON LEVEL CROSSING CSO 39 200 100
Northumbrian Water Wansbeck CLEASEWELL HILL SPS 43 165 99.9
Northumbrian Water Blyth Estuary BRIARDALE ROAD CSO 42 158 98.2
Northumbrian Water River Blyth FRONT STREET CSO CH68 46 155 99.7
Northumbrian Water Blyth BEDSIDE CSO 37 133 100
Northumbrian Water Sleek Burn WILLOW BRIDGE CSO 36 108 99.6
Northumbrian Water North Sea NEWBIGGIN SSO (WILKIE TERRACE) 13 103 97.6
Northumbrian Water River Blyth BANK TOP CSO 41 95 93
Northumbrian Water Blyth Estuary BRIARDALE ROAD CSO 39 79 100
Northumbrian Water Blyth Estuary BEVAN HOUSE 11 75 81.7
Northumbrian Water Sleekburn WELWYN FACTORY CSO 25 64 96.2
Northumbrian Water River Wansbeck GLAXO WEST CSO 27 54 99.9
Northumbrian Water Wansbeck, GREEN LANE CSO 9(WK 008) 19 49 99.8
Northumbrian Water River Blyth BLYTH NO6 SPS 65 46 97.7
Northumbrian Water Green Letch NEDDERTON CSO 26 46 99.6
Northumbrian Water Wansbeck Estuary EAST FORD ROAD PS EMERGENCY OVERFLO 12 39 100
Northumbrian Water Sleek Burn GRANGE PARK CSO (WK016) 23 37 83.6
Northumbrian Water River Wansbeck LYNDHURST ROAD CSO 24 31 100
Northumbrian Water Blyth Saline Estuary WARSDELL STREET PUMPING STATION 12 31 99.7
Northumbrian Water River Blyth RIDLEY STREET SPS 7 19 100
Northumbrian Water Blyth, MILLFIELD CSO 15 17 98.3
Northumbrian Water River Blyth SOLINGEN ESTATE CSO 5 16 96.4
Northumbrian Water River Blyth COWPEN ROAD CSO 5 11 100
Northumbrian Water Wansbeck Estuary ASHINGTON DRIVE CSO HLF MOON RNDBWT 8 11 98
Northumbrian Water Blackclose Dene SOUTH GREEN LANE CSO 3 8 100
Northumbrian Water Unnamed Sleek Burn BRIARDALE CSO 5 5 100
Northumbrian Water Wansbeck, PARK ROAD & GREEN LANE CSO 6 4 100
Northumbrian Water R Wansbeck BOTHAL COTTAGES 4 3 100
Northumbrian Water Wansbeck Estuary 20 WANSBECK STREET 0 0 99.9
Northumbrian Water Sleek Burn SLEEKBURN EAST CSO 0 0 100

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.