North West Durham was polluted by sewage 4,328 times in 2023
lasting 30,829 hours - that's 3.57 years!
- but monitoring was disabled in some locations, so could be more

© OpenStreetMap contributors
Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
✔ means we have experimental daily data since 2023
Totals for North West Durham in 2023
107 Sites polluted by Northumbrian Water
4,328 sewage dumps
30,829 h duration
That's 3.57 years! On average 11.9 times a day
Change Over Time
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Constituencies near North West Durham
Waterways in North West Durham

Pollution Summary 2023

Here are all the reported sewage overflow totals for North West Durham 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 1 of the total 114 CSO locations had reporting enabled for less than half the year, of which 1 had zero reporting.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Northumbrian Water Wear LOW WADSWORTH STW 147 2,562 100
Northumbrian Water Rookhope Burn ROOKHOPE STW 136 1,760 99.6
Northumbrian Water Smallhope Burn LANCHESTER STW 90 1,322 99.6
Northumbrian Water River Wear LOW WADSWORTH PS 85 1,318 99.5
Northumbrian Water Wadley Burn FIR TREE STW 118 1,241 92.3
Northumbrian Water Wear WESTERN AREA STW 109 1,209 100
Northumbrian Water Steeley Burn SATLEY STW 114 1,137 79.4
Northumbrian Water Wear WILLINGTON STW 68 1,105 93.7
Northumbrian Water River Wear WOLSINGHAM STW 84 1,064 100
Northumbrian Water River Wear WITTON-LE-WEAR PS 68 991 90
Northumbrian Water River Derwent CONSETT STW 74 826 97.8
Northumbrian Water Wear STANHOPE STW 69 810 100
Northumbrian Water Holy Well Burn SUNNYBROW SEWAGE PUMPING STATION 82 798 94.6
Northumbrian Water Wear CSO WV80 DISUSED STW HUNWICK 115 692 99.9
Northumbrian Water Crook Beck BLADESIDE CSO 83 679 99.9
Northumbrian Water Hamsteels Beck QUEBEC PUMPING STATION 62 653 99.4
Northumbrian Water Dipton Burn DIPTON STW 65 651 95.5
Northumbrian Water Wear BURNISTON DRIVE PS 63 611 98.7
Northumbrian Water Crook Beck PEASES WEST CSO 61 603 85.3
Northumbrian Water Derwent HAMSTERLEY COLLIERY PS 68 583 99.5
Northumbrian Water Stockerley Burn, CROOKHALL STW 130 536 99.85
Northumbrian Water Wear FROSTERLEY SEWAGE TREATMENT WORKS 95 528 99.9
Northumbrian Water Smallhope Burn CSO MANOR COURT 75 511 100
Northumbrian Water Smallhope Burn LYNWOOD HOUSE CSO DER44 78 502 99.8
Northumbrian Water Smallhope Burn KNITSLEY SEWAGE TREATMENT WORKS 57 465 99.5
Northumbrian Water Houselop Beck, TOW LAW STW 87 407 64
Northumbrian Water River Browney FRONT STREET CSO 85 403 99.9
Northumbrian Water Leapmill Burn BURNOPFIELD CSO 56 377 83.7
Northumbrian Water Pont Burn PONT B CSO 52 352 99.7
Northumbrian Water Pont Burn HAMSTERLEY MILL PUMPING STATION 68 329 90.7
Northumbrian Water Crook Beck, WEST ROAD CSO 55 317 99.9
Northumbrian Water Beechburn Beck THE HOLLOWS CSO WV50 54 307 98.8
Northumbrian Water River Derwent EBCHESTER SPS 62 275 100
Northumbrian Water Rookhope Burn STOTSFIELD BURN CSO 31 273 45
Northumbrian Water River Wear STANHOPE SWIMMING POOL CSO 55 262 99.7
Northumbrian Water Dipton Burn DIPTON STW 56 257 43.9
Northumbrian Water Derwent GREEN BRIDGE CSO (DER 137) 33 256 100
Northumbrian Water Backstone Beck River Derwe CUTLERS HALL ROAD (NO. 29) STORM 24 204 99.4
Northumbrian Water Smallhope Burn BUTSFIELD LANE CSO DER092 69 204 99.9
Northumbrian Water Leapmill Burn BUSTY BANK CSO 72 202 99.6
Northumbrian Water Beechburn Beck VALLEY TERRACE CSO 29 193 99.8
Northumbrian Water Pont Burn PONT LANE A CSO 36 188 99.9
Northumbrian Water River Wear HUNTSHIELD FORD CSO 41 187 88.8
Northumbrian Water Smallhope Burn EAST OF KNITSLEY GRANGE FARM CSO 51 187 100
Northumbrian Water River Wear LOW WILLINGTON PARK CSO 45 162 98.8
Northumbrian Water Browney LANGLEY PARK SEWAGE PS 31 157 100
Northumbrian Water Smallhope Burn RAILWAY SREET CSO 47 140 100
Northumbrian Water Beechburn Beck MILL FARM COMBINED SEWER OVERFLOW 20 139 100
Northumbrian Water Wear RUSSEL PLACE CSO 36 133 99.9
Northumbrian Water River Wear RIVERSIDE (BUTTS CRESCENT) CSO 49 131 99.5
Northumbrian Water Beechburn Beck THE HOLLOWS CSO WV49 42 120 98.9
Northumbrian Water Dene Burn CONSETT ACADEMY SOUTH CSO DER090 35 98 99.8
Northumbrian Water River Derwent WEST LANE SCHOOL CSO 24 96 82.1
Northumbrian Water Crook Beck ULSWATER CRESCENT CSO 31 93 97.9
Northumbrian Water Backstone Burn CHURCH ROAD CSO 57 91 98.9
Northumbrian Water Beechburn Beck GRANGE BANK CSO 23 84 98.7
Northumbrian Water River Browney OPPOSITE 16 FRONT STREET CSO 44 83 91.6
Northumbrian Water River Derwent CHARE BANK CSO 37 82 99.9
Northumbrian Water River Wear SCOTCH ISLE FARM CSO 27 78 99.8
Northumbrian Water Smallhope Burn MOUNT PLEASANT CSO DER41 33 76 95.7
Northumbrian Water River Wear WESTGATE CSO 30 74 93.2
Northumbrian Water Wear, WILLINGTON SYSTEM CSO 33 70 79.5
Northumbrian Water Waskerley Beck EAST END CSO 37 57 92.2
Northumbrian Water Backgill Burn FELLSIDE CSO (DER 174) 31 54 99.4
Northumbrian Water Ibbetsons' Sike BURNHOPE P.S. CSO & CER 33 49 99.3
Northumbrian Water River Derwent CHOPWELL ROAD CSO 18 48 94.8
Northumbrian Water Derwent SNOWS GREEN ROAD CSO (DER010) 13 44 99.4
Northumbrian Water Deerness CHURCH LANE CSO 24 39 99.9
Northumbrian Water Blackstone Burn River Derwent VINDOMORA VILLAS CSO 23 34 100
Northumbrian Water River Browney BACK ELM STREET CSO 21 28 100
Northumbrian Water River Wear BONDISLE WAY CSO 23 25 80.8
Northumbrian Water Willington Burn GARDNER AVENUE CSO 11 21 96.5
Northumbrian Water Steeley Burn MILLHOUSE FARM CSO 14 17 100
Northumbrian Water Unnamed Beck Rvr Wear CSO WV79 ROUGH LEA LANE 18 16 100
Northumbrian Water River Wear ROSE TERRACE CSO 18 14 99.9
Northumbrian Water Derwent, HIGH FRIARSIDE CSO 19 13 69.6
Northumbrian Water Dene Burn A692 CSO 16 13 98.1
Northumbrian Water Dene Burn MOORSIDE CSO DER002 11 10 88
Northumbrian Water Dene Burn BERRY EDGE ROAD CSO DER096 13 7 99.8
Northumbrian Water Backstone Burn ST MARYS PRIMARY SCHOOL CSO 11 7 95
Northumbrian Water Wharnley Burn OPP OLD CASTLESIDE STW CSO 11 6 98.6
Northumbrian Water Stockerley Burn, SIXTH ST SSO 12 6 99.9
Northumbrian Water Dene Burn CASTLESIDE 7 5 99.9
Northumbrian Water Stockerley Burn, SOUTH STREET STORM SEWAGE OVERFLOW 12 4 99.2
Northumbrian Water Wear MILL COTTAGES CSO 7 4 100
Northumbrian Water Tinkerhill Gill, DURHAM ROAD REF NO 36 5 3 80.7
Northumbrian Water River Derwent SHOTLEY BRIDGE CSO DER0004 3 3 87.4
Northumbrian Water Ravensbush Burn SOUTH FARM CSO 4 2 99
Northumbrian Water Leapmill Burn BUSTY BANK STORM SEWAGE OVERFLOW 6 2 100
Northumbrian Water Park House Gill OAKENSHAW CSO 6 2 100
Northumbrian Water Backstone Burn REAR 39 CUTLERS HALL ROAD 5 2 99.2
Northumbrian Water Wear VEDRA CLOSE SSO 3 2 100
Northumbrian Water Culverted Beechburn Beck WOODFIELD HILL CROOK CSO 4 1 96.7
Northumbrian Water Leapmill Burn BUSTY BANK CSO 5 1 96
Northumbrian Water Iddeston'S Sike CRICKET GROUND HOLMSIDE LANE CSO 3 1 98.4
Northumbrian Water Willington Burn HUNWICK LANE CSO 4 1 100
Northumbrian Water Derwent DERWENTSIDE HOUSE CSO 2 1 100
Northumbrian Water Pont Burn ST IVES ROAD CSO 4 1 99.9
Northumbrian Water Backstone Burn CONSETT OAP HALL CSO 1 1 92.9
Northumbrian Water Snows Green Burn 85 SNOWS GREEN ROAD 3 0 100
Northumbrian Water Waskerley Beck ANGATE STREET CSO 3 0 100
Northumbrian Water Stockerley Burn 5 SOUTH STREET CSO, CROOKHALL 2 0 97.6
Northumbrian Water Hedleyhope Burn CORNSAY COLLIERY STORM SEWAGE OVERF 1 0 98.9
Northumbrian Water Pont Burn PONT BUNGALOWS 1 0 100
Northumbrian Water Howden Burn CONSETT IRON WORKS 1 0 100
Northumbrian Water River Derwent 20 DERWENT DALE CUTLERS RD CSO 1 0 87.6
Northumbrian Water Browney, HOLLINSIDE STW 2 0 100
Northumbrian Water Iveston Burn IVESTON LANE CSO 0 0 100
Northumbrian Water Hamsteels Beck REAR AGED MINERS HOMES CSO 0 0 94.9
Northumbrian Water River Browney FRONT STREET CSO 0 0 100
Northumbrian Water Backstone Burn QUEENSWAY CSO 0 0 99.9
Northumbrian Water Ebchester Burn DENECREST CSO 0 0 98.5
Northumbrian Water Tinkerhill Gill SHOTLEY BRIDGE HOSPITAL CSO 0 0 100
Northumbrian Water Wear WESTGATE CARAVAN SITE CSO 0 0 0

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.

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