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River Irwell polluted by sewage 3,457 times in 2023 - lasting 20,904 hours

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Contains OS Data © Crown copyright & database right 2021-2023
© Top of the Poops 2021-2023
Totals for River Irwell in 2023
64 Sites polluted by United Utilities
3,457 sewage dumps
20,904 h duration
That's 2.42 years! On average 9.5 times a day

Pollution Summary 2023

Here are all the reported sewage overflow totals for River Irwell in 2023. Sometimes sewage can be being dumped for months at a time.

These numbers are very slightly different from the Rivers page. We're working on it.

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
United Utilities River Irwell SION STREET CSO 09026 125 2,188 82.6
United Utilities River Irwell BOLTON WASTEWATER TREATMENT WORKS 233 2,145 100
United Utilities River Irwell ROSSENDALE WWTW 118 1,900 61.7
United Utilities River Irwell THE GLEN COMBINED SEWER OVERFLOW 179 1,842 95.3
United Utilities River Irwell BURY WASTEWATER TREATMENT WORKS 116 1,678 99.1
United Utilities River Irwell BOLTON RD CANUTE STREET CSO 158 1,331 99.9
United Utilities River Irwell BACUP ROAD/FALBARN FOLD CSO 118 964 100
United Utilities River Irwell STAND LANE CSO 09058 145 904 97.6
United Utilities River Irwell JULIA SREETT CSO 104 696 100
United Utilities River Irwell PRESTWICH PS 131 691 100
United Utilities River Irwell PEEL HALL CSO (BRY0140) 154 667 100
United Utilities River Irwell NEWCHURCH ROAD/BROOKS STREET CSO 108 556 98.4
United Utilities River Irwell NUTTALL HALL ROAD CSO 101 481 96.1
United Utilities River Irwell CLIFTON PUMPING STATION 88 459 100
United Utilities River Irwell NEWCHURCH ROAD CSO (36013) 51 457 100
United Utilities River Irwell 295 BACUP ROAD CSO 68 407 96.8
United Utilities River Irwell KEARSLEY PS 88 396 90.3
United Utilities River Irwell CHURCH STREET EAST 09003 43 369 99.9
United Utilities River Irwell BURY NEW ROAD/WATERLOO ROAD CSO 17 328 72.6
United Utilities River Irwell AGECROFT POWER STATION CSO 116 277 100
United Utilities River Irwell RAINSOUGH BROW CSO 116 268 100
United Utilities River Irwell LOMAX STREET CSO 46 256 100
United Utilities River Irwell TANPITS ROAD CSO 72 243 100
United Utilities River Irwell BUCKLEY WELLS CSO 091DG 68 229 100
United Utilities River Irwell PEEL HALL DRIVE CSO 72 143 100
United Utilities River Irwell LANGLEY ROAD CSO 60 136 100
United Utilities River Irwell RADCLIFFE CENTRAL CSO 65 115 76.5
United Utilities River Irwell NEWCHURCH ROAD/WESLEY PLACE CSO 59 113 100
United Utilities River Irwell HIGHFIELD ROAD CSO 24 82 100
United Utilities River Irwell GREAT CLOWES CSO 37048 SAL0080 95 80 98.7
United Utilities River Irwell BEAUMONT BUILDING CSO 28049 45 73 100
United Utilities River Irwell FREDERICK ROAD CSO (371UV) 29 42 100
United Utilities River Irwell SHERBORNE STREET CSO 36 40 93.5
United Utilities River Irwell WATERBARN LANE CSO 15 37 99.7
United Utilities River Irwell LITTLETON ROAD CSO 29 37 95.3
United Utilities River Irwell NEW HALL HEY ROAD CSO 19 34 100
United Utilities River Irwell HAMMERTONSTREET/STANLEY STREET CSO 71 34 95.7
United Utilities River Irwell WATER STREET/LIVERPOOL ROAD CSO 16 28 100
United Utilities River Irwell VICTORIA BRIDGE STREET CSO (282WL) 43 26 98.2
United Utilities River Irwell COTTENHAM LANE CSO 372RZ 16 26 100
United Utilities River Irwell RADCLIFFE CENTRAL CSO 19 18 100
United Utilities River Irwell WATER ST/NEW QUAY ST CSO 22 17 100
United Utilities River Irwell NEW HALL HEY BRIDGE CSO 14 16 100
United Utilities River Irwell SEEDFIELD SECONDARY MODERN SCHL CSO 38 13 97.5
United Utilities River Irwell 709 BACUP ROAD CSO 7 10 100
United Utilities River Irwell WATERSIDE MILL CSO 5 7 100
United Utilities River Irwell CARR STREET CSO 099BP 14 3 100
United Utilities River Irwell BRIDGE ST WEST CSO (281F9) 11 3 100
United Utilities River Irwell NEWCHURCH ROAD BACUP CSO 10 2 100
United Utilities River Irwell BURNLEY ROAD BACUP CSO 2 2 100
United Utilities River Irwell CROMWELL ROAD/LICHFIELD STREET CSO 14 2 100
United Utilities River Irwell CHURCH STREET WEST CSO 091KB 4 1 97.5
United Utilities River Irwell WATER STREET CSO (284TV) 9 1 100
United Utilities River Irwell DUMERS LANE PUMPING STATION 2 1 100
United Utilities River Irwell AGECROFT COMMERCE PARK PUMPING STN 3 0 100
United Utilities River Irwell CLIFTON HOUSE ROAD PUMPING STATION 2 0 100
United Utilities River Irwell BRIDGE STREET CSO 4 0 100
United Utilities River Irwell SOUTH STREET/PICKUP STREET CSO 6 0 100
United Utilities River Irwell BLACKFRIARS STREET CSO 283J1 5 0 90.3
United Utilities River Irwell FAIRY LANE CSO 281T3 2 0 100
United Utilities River Irwell ROCKLIFFE ROAD/RIVER STREET CSO 2 0 100
United Utilities River Irwell LEE ROAD CSO (369BA) 2 0 99.5
United Utilities River Irwell BLACKWOOD ROAD CSO 2 0 99.3
United Utilities River Irwell MORRIS STREET CSO (BRY0137) 1 0 97.2
United Utilities River Irwell RIVERSIDE CSO BOLTO BOL0058 0 0 99.9
United Utilities River Irwell RAILWAY STREET CSO 0 0 100
United Utilities River Irwell MOUNT SION ROAD CSO 0 0 0
United Utilities River Irwell LANGLEY RD NORTH 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.