Polluted by sewage 7,067 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 Blaydon and Consett, 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) |
|---|---|---|---|---|---|
| Northumbrian Water | Unknown | Unknown | 73 | 1,369 h 53m | 57.04 |
| Northumbrian Water | Unknown | Unknown | 56 | 817 h 18m | 34.04 |
| Northumbrian Water | Unknown | Unknown | 23 | 496 h 5m | 20.67 |
| Northumbrian Water | Unknown | Unknown | 33 | 373 h 11m | 15.54 |
| Northumbrian Water | Unknown | Unknown | 17 | 328 h 43m | 13.67 |
| Northumbrian Water | Unknown | Unknown | 19 | 256 h 23m | 10.67 |
| Northumbrian Water | Unknown | Unknown | 15 | 190 h 12m | 7.92 |
| Northumbrian Water | CROOKHALL STW | Stockerley Burn, | 20 | 150 h 26m | 6.25 |
| Northumbrian Water | CONSETT STW | River Derwent | 20 | 149 h 20m | 6.21 |
| Northumbrian Water | HIGH SPEN CSO ROWLANDS GILL 6 | Spen Burn | 7 | 149 h 18m | 6.21 |
| Northumbrian Water | Unknown | Unknown | 9 | 145 h 28m | 6.04 |
| Northumbrian Water | Unknown | Unknown | 30 | 140 h 57m | 5.83 |
| Northumbrian Water | Unknown | Unknown | 32 | 139 h 11m | 5.79 |
| Northumbrian Water | Unknown | Unknown | 22 | 103 h 32m | 4.29 |
| Northumbrian Water | BLAYDON METALS NO 1 CSO | Tyne Saline Estuary | 20 | 98 h 50m | 4.08 |
| Northumbrian Water | Unknown | Unknown | 13 | 91 h 36m | 3.79 |
| Northumbrian Water | CROOKHALL STW | Stockerley Burn, | 20 | 88 h | 3.67 |
| Northumbrian Water | RIVERSIDEWAY CSO | River Derwent | 15 | 83 h 43m | 3.46 |
| Northumbrian Water | BURNOPFIELD CSO | Leapmill Burn | 17 | 83 h 12m | 3.46 |
| Northumbrian Water | Unknown | Unknown | 38 | 76 h 7m | 3.17 |
| Northumbrian Water | Unknown | Unknown | 12 | 74 h 53m | 3.08 |
| Northumbrian Water | Unknown | Unknown | 12 | 68 h 51m | 2.83 |
| Northumbrian Water | HAMSTERLEY MILL PUMPING STATION | Pont Burn | 19 | 68 h 26m | 2.83 |
| Northumbrian Water | Unknown | Unknown | 19 | 61 h 26m | 2.54 |
| Northumbrian Water | Unknown | Unknown | 38 | 59 h 2m | 2.46 |
| Northumbrian Water | Unknown | Unknown | 19 | 57 h 52m | 2.38 |
| Northumbrian Water | Unknown | Unknown | 20 | 56 h 39m | 2.33 |
| Northumbrian Water | EBCHESTER SPS | River Derwent | 15 | 54 h 28m | 2.25 |
| Northumbrian Water | Unknown | Unknown | 13 | 53 h 21m | 2.21 |
| Northumbrian Water | Unknown | Unknown | 13 | 52 h 24m | 2.17 |
| Northumbrian Water | Unknown | Unknown | 27 | 48 h 52m | 2 |
| Northumbrian Water | ARMONSIDE RD CONNOLLY TERRACE CSO | River Derwent | 13 | 44 h 54m | 1.83 |
| Northumbrian Water | LOCKHAUGH STW | River Derwent | 3 | 44 h 4m | 1.83 |
| Northumbrian Water | Unknown | Unknown | 7 | 42 h 30m | 1.75 |
| Northumbrian Water | Unknown | Unknown | 17 | 41 h 53m | 1.71 |
| Northumbrian Water | Unknown | Unknown | 20 | 40 h 22m | 1.67 |
| Northumbrian Water | DIPTON STW | Dipton Burn | 16 | 37 h 50m | 1.54 |
| Northumbrian Water | CLARA VALE SPS | River Tyne | 15 | 36 h 22m | 1.5 |
| Northumbrian Water | BLAYDON METALS NO 2 CSO | Tyne | 9 | 36 h 10m | 1.5 |
| Northumbrian Water | Unknown | Unknown | 14 | 34 h 9m | 1.42 |
| Northumbrian Water | SMAILES LANE CSO G15 | Low Spen Burn | 12 | 33 h 42m | 1.38 |
| Northumbrian Water | Unknown | Unknown | 6 | 33 h 25m | 1.38 |
| Northumbrian Water | CUTLERS HALL ROAD (NO. 29) STORM | Backstone Beck River Derwe | 6 | 33 h 2m | 1.38 |
| Northumbrian Water | Unknown | Unknown | 20 | 31 h 54m | 1.29 |
| Northumbrian Water | Unknown | Unknown | 25 | 30 h 28m | 1.25 |
| Northumbrian Water | Unknown | Unknown | 9 | 28 h 51m | 1.17 |
| Northumbrian Water | Unknown | Unknown | 10 | 28 h 48m | 1.17 |
| Northumbrian Water | BLAYDON BANK CSO | Tyne Estuary | 12 | 28 h 48m | 1.17 |
| Northumbrian Water | Unknown | Unknown | 8 | 26 h 59m | 1.08 |
| Northumbrian Water | BUTSFIELD LANE CSO DER092 | Smallhope Burn | 13 | 26 h 58m | 1.08 |
| Northumbrian Water | HAMSTERLEY COLLIERY PS | Derwent | 11 | 26 h 18m | 1.08 |
| Northumbrian Water | SOUTH WYLAM PUMPING STATION | Stanley Burn | 16 | 21 h 48m | 0.88 |
| Northumbrian Water | STATION BANK CSO | River Tyne Estuarine Waters | 11 | 21 h 38m | 0.88 |
| Northumbrian Water | LOCKHAUGH STW | River Derwent | 14 | 20 h 50m | 0.83 |
| Northumbrian Water | Unknown | Unknown | 10 | 20 h 22m | 0.83 |
| Northumbrian Water | Unknown | Unknown | 9 | 19 h 38m | 0.79 |
| Northumbrian Water | GREEN BRIDGE CSO (DER 137) | Derwent | 5 | 19 h 31m | 0.79 |
| Northumbrian Water | BUSTY BANK CSO | Leapmill Burn | 13 | 18 h 1m | 0.75 |
| Northumbrian Water | Unknown | Unknown | 6 | 16 h 48m | 0.67 |
| Northumbrian Water | PONT LANE A CSO | Pont Burn | 2 | 13 h 26m | 0.54 |
| Northumbrian Water | PENNINE VIEW CSO | River Derwent | 4 | 13 h 19m | 0.54 |
| Northumbrian Water | FACTORY ROAD CSO | Tyne | 2 | 12 h 4m | 0.5 |
| Northumbrian Water | Unknown | Unknown | 9 | 11 h 44m | 0.46 |
| Northumbrian Water | Unknown | Unknown | 2 | 10 h 38m | 0.42 |
| Northumbrian Water | HAUGH LANE CSO | River Tyne | 2 | 10 h 36m | 0.42 |
| Northumbrian Water | Unknown | Unknown | 8 | 10 h 30m | 0.42 |
| Northumbrian Water | CONSETT ACADEMY SOUTH CSO DER090 | Dene Burn | 3 | 10 h 26m | 0.42 |
| Northumbrian Water | Unknown | Unknown | 14 | 9 h 31m | 0.38 |
| Northumbrian Water | Unknown | Unknown | 7 | 9 h 27m | 0.38 |
| Northumbrian Water | RGIL LOCKHAUGH RD & SHRBURN PRK CSO | River Derwent | 7 | 9 h 14m | 0.38 |
| Northumbrian Water | DIPTON STW | Dipton Burn | 3 | 8 h 48m | 0.33 |
| Northumbrian Water | CHURCH ROAD CSO | Backstone Burn | 5 | 7 h 54m | 0.29 |
| Northumbrian Water | Unknown | Unknown | 6 | 7 h 37m | 0.29 |
| Northumbrian Water | Unknown | Unknown | 7 | 7 h 36m | 0.29 |
| Northumbrian Water | HIGH SPEN SPS | Barlow Burn | 12 | 7 h 32m | 0.29 |
| Northumbrian Water | EAST OF KNITSLEY GRANGE FARM CSO | Smallhope Burn | 4 | 7 h 14m | 0.29 |
| Northumbrian Water | FELLSIDE CSO (DER 174) | Backgill Burn | 3 | 7 h 10m | 0.29 |
| Northumbrian Water | Unknown | Unknown | 9 | 7 h 1m | 0.29 |
| Northumbrian Water | PONT B CSO | Pont Burn | 2 | 6 h 48m | 0.25 |
| Northumbrian Water | DIPWOOD ROAD CSO GO16 | Derwent, | 7 | 5 h 12m | 0.21 |
| Northumbrian Water | BERRY EDGE ROAD CSO DER096 | Dene Burn | 5 | 4 h 6m | 0.17 |
| Northumbrian Water | A692 CSO | Dene Burn | 2 | 2 h 30m | 0.08 |
| Northumbrian Water | Unknown | Unknown | 4 | 2 h 28m | 0.08 |
| Northumbrian Water | Unknown | Unknown | 5 | 2 h 24m | 0.08 |
| Northumbrian Water | Unknown | Unknown | 2 | 2 h 19m | 0.08 |
| Northumbrian Water | Unknown | Unknown | 2 | 2 h 19m | 0.08 |
| Northumbrian Water | Unknown | Unknown | 3 | 2 h 14m | 0.08 |
| Northumbrian Water | Unknown | Unknown | 6 | 2 h 12m | 0.08 |
| Northumbrian Water | STATION ROAD CSO G020 | Derwent | 3 | 1 h 35m | 0.04 |
| Northumbrian Water | CROFTDALE ROAD CSO | Tyne Estuary | 3 | 1 h 30m | 0.04 |
| Northumbrian Water | SHOTLEY BRIDGE CSO DER0004 | River Derwent | 4 | 1 h 30m | 0.04 |
| Northumbrian Water | ASH TREE LANE CSO | Spen Burn | 3 | 1 h 12m | 0.04 |
| Northumbrian Water | Unknown | Unknown | 7 | 0 h 52m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 50m | 0 |
| Northumbrian Water | MOORSIDE CSO DER002 | Dene Burn | 1 | 0 h 50m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 48m | 0 |
| Northumbrian Water | DERWENTHAUGH ROAD CSO | River Derwent | 2 | 0 h 48m | 0 |
| Northumbrian Water | Unknown | Unknown | 3 | 0 h 44m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 44m | 0 |
| Northumbrian Water | HIGH FRIARSIDE CSO | Derwent, | 2 | 0 h 44m | 0 |
| Northumbrian Water | Unknown | Unknown | 4 | 0 h 40m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 38m | 0 |
| Northumbrian Water | CASTLESIDE | Dene Burn | 1 | 0 h 36m | 0 |
| Northumbrian Water | Unknown | Unknown | 3 | 0 h 36m | 0 |
| Northumbrian Water | VINDOMORA VILLAS CSO | Blackstone Burn River Derwent | 2 | 0 h 34m | 0 |
| Northumbrian Water | DERWENT CARAVAN PARK PUMPING STN | Derwent | 2 | 0 h 28m | 0 |
| Northumbrian Water | Unknown | Unknown | 6 | 0 h 28m | 0 |
| Northumbrian Water | CRAWCROOK LANE CSO | Tyne | 1 | 0 h 24m | 0 |
| Northumbrian Water | ADDISON VILLAGE CSO UNIT 3 | Tyne | 1 | 0 h 24m | 0 |
| Northumbrian Water | BRIARDENE | Derwent, | 1 | 0 h 20m | 0 |
| Northumbrian Water | Unknown | Unknown | 3 | 0 h 15m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 12m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 12m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 10m | 0 |
| Northumbrian Water | Unknown | Unknown | 4 | 0 h 10m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 4m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 4m | 0 |
| Northumbrian Water | Unknown | Unknown | 2 | 0 h 4m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 2m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 2m | 0 |
| Northumbrian Water | 85 SNOWS GREEN ROAD | Snows Green Burn | 1 | 0 h 2m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 2m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 2m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 2m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 2m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h 1m | 0 |
| Northumbrian Water | Unknown | Unknown | 1 | 0 h | 0 |
| Northumbrian Water | IVESTON LANE CSO | Iveston Burn | 0 | 0 h | 0 |
| Northumbrian Water | SUMMERHILL CSO | River Tyne Saline Estuary | 0 | 0 h | 0 |
| Northumbrian Water | BUSTY BANK STORM SEWAGE OVERFLOW | Leapmill Burn | 0 | 0 h | 0 |
| Northumbrian Water | GAS LANE CSO | River Tyne Saline Estuary | 0 | 0 h | 0 |
| Northumbrian Water | SHIBDON ROAD CSO | Derwent Estuary | 0 | 0 h | 0 |
| Northumbrian Water | CONSETT IRON WORKS | Howden Burn | 0 | 0 h | 0 |
| Northumbrian Water | DURHAM ROAD REF NO 36 | Tinkerhill Gill, | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | DENECREST CSO | Ebchester Burn | 0 | 0 h | 0 |
| Northumbrian Water | STELLA ROAD CSO | Clvrt Watercrse River Tyne | 0 | 0 h | 0 |
| Northumbrian Water | ST MARYS PRIMARY SCHOOL CSO | Backstone Burn | 0 | 0 h | 0 |
| Northumbrian Water | BUSTY BANK CSO | Leapmill Burn | 0 | 0 h | 0 |
| Northumbrian Water | BLAYDON BURN WAGONWAY CSO | River Tyne Saline Estuary | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | CSO AT CHURCH DENE | River Tyne Estuary | 0 | 0 h | 0 |
| Northumbrian Water | ST IVES ROAD CSO | Pont Burn | 0 | 0 h | 0 |
| Northumbrian Water | QUEENSWAY CSO | Backstone Burn | 0 | 0 h | 0 |
| Northumbrian Water | WHISKEY JACKS SPS | River Derwent | 0 | 0 h | 0 |
| Northumbrian Water | BLACKHALL MILL PUMPING STATION | Tongue Burn | 0 | 0 h | 0 |
| Northumbrian Water | SOUTH TERRACE CSO (G003) | Tongue Burn | 0 | 0 h | 0 |
| Northumbrian Water | PONT BUNGALOWS | Pont Burn | 0 | 0 h | 0 |
| Northumbrian Water | SIXTH ST SSO | Stockerley Burn, | 0 | 0 h | 0 |
| Northumbrian Water | CONSETT OAP HALL CSO | Backstone Burn | 0 | 0 h | 0 |
| Northumbrian Water | CONSETT CSO DERWENTDALE INDUSTRIAL ESTATE DER 168 (OOS) - NWL name | Culverted Section Of Howden Burn | 0 | 0 h | 0 |
| Northumbrian Water | SHOTLEY BRIDGE HOSPITAL CSO | Tinkerhill Gill | 0 | 0 h | 0 |
| Northumbrian Water | SOUTH STREET STORM SEWAGE OVERFLOW | Stockerley Burn, | 0 | 0 h | 0 |
| Northumbrian Water | GREENSIDE CSO | River Tyne | 0 | 0 h | 0 |
| Northumbrian Water | CHOPWELL PARK FOOTPATH CSO | Tongue Burn | 0 | 0 h | 0 |
| Northumbrian Water | Holburn Lane CSO, Ryton - NWL name | River Tyne Estuary | 0 | 0 h | 0 |
| Northumbrian Water | TAY STREET CSO | River Derwent | 0 | 0 h | 0 |
| Northumbrian Water | COCHRANE STREET CSO | Tyne | 0 | 0 h | 0 |
| Northumbrian Water | REAR 39 CUTLERS HALL ROAD | Backstone Burn | 0 | 0 h | 0 |
| Northumbrian Water | CSO 28 BEWESHILL CRESCENT | Blaydon Burn | 0 | 0 h | 0 |
| Northumbrian Water | WEST LANE SCHOOL CSO | River Derwent | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | Dunelm Road Combined Sewer Overflow | Dene Burn | 0 | 0 h | 0 |
| Northumbrian Water | CHOPWELL ROAD CSO | River Derwent | 0 | 0 h | 0 |
| Northumbrian Water | STELLA ROAD CSO | Clvrt Watercrse River Tyne | 0 | 0 h | 0 |
| Northumbrian Water | Unknown | Unknown | 0 | 0 h | 0 |
| Northumbrian Water | 5 SOUTH STREET CSO, CROOKHALL | Stockerley Burn | 0 | 0 h | 0 |
| Northumbrian Water | EAST FARM CSO | Barlow Burn | 0 | 0 h | 0 |
| Northumbrian Water | SNOWS GREEN ROAD CSO (DER010) | Derwent | 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.
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