| 91 Manchester Road CSO 072go | Croal Minor | Not Discharging | 10:26 Jan 27 | 14:03 Jan 28 |
| Adelaide Street CSO | Tanner Hole Brook | Not Discharging | 06:56 Jan 11 | 14:03 Jan 28 |
| Bolton Wastewater Treatment Works | River Irwell | Not Discharging | 05:04 Jan 07 | 14:03 Jan 28 |
| Bolton Wastewater Treatment Works | River Irwell | Not Discharging | 05:53 Jan 07 | 14:03 Jan 28 |
| Bridge Street Bow Street CSO | A culverted section of Middle Brook, a tributary of the River Croal | Not Discharging | 09:46 Jan 27 | 14:03 Jan 28 |
| Bridgeman Park CSO | River Croal | Not Discharging | 05:18 Dec 01 2025 | 14:03 Jan 28 |
| Bridgeman St Higher Swan Lane CSO | Jenny Beck | Not Discharging | 23:56 Jul 24 2025 | 14:03 Jan 28 |
| Caledonia St Hibernia St CSO 071ib | Middle Brook via a surface water sewer | Not Discharging | 11:58 Jun 04 2025 | 14:03 Jan 28 |
| Cammerclough Road CSO | River Croal | Not Discharging | 04:02 Jan 28 | 14:03 Jan 28 |
| Church Bank (Side Of Viaduct) CSO | Croal Minor | Not Discharging | 14:52 Jan 15 | 14:03 Jan 28 |
| Church Bank Railway Viaduct CSO | Croal Minor | Not Discharging | 14:52 Dec 01 2025 | 14:03 Jan 28 |
| Church Wharfe CSO 073bw | A culverted section of the River Croal Minor | Not Discharging | 21:26 Jan 06 | 14:03 Jan 28 |
| Clifton House Road Pumping Station | River Irwell | Not Discharging | 13:18 Jan 24 | 14:03 Jan 28 |
| Croft Ln Manchester Rd CSO Bol0206 | River Croal via a surface water sewer | Not Discharging | 09:56 Jan 27 | 14:03 Jan 28 |
| Croft Ln Manchester Rd CSO Bol0206 | Jenny Beck Culvert, River Croal | Not Discharging | 19:40 Nov 11 2025 | 14:03 Jan 28 |
| Crown Street CSO 071qi | Croal Minor | Not Discharging | 04:24 Jan 25 | 14:03 Jan 28 |
| CSO South Of Ashawe Grove | Tributary (culverted section) of Honksford Brook via surface water sewer | Not Discharging | 21:58 Dec 17 2025 | 14:03 Jan 28 |
| CSO South Of Ashawe Grove | Tributary (culverted section) of Honksford Brook via surface water sewer | Not Discharging | 17:20 Jul 20 2025 | 14:03 Jan 28 |
| Darcy Lever Old Hall CSO | Blackshaw Brook | Not Discharging | 13:02 Dec 15 2025 | 14:03 Jan 28 |
| Dragons Tooth CSO | River Croal | Not Discharging | 14:17 Jan 22 | 14:03 Jan 28 |
| Edith Street CSO 078nl | River Croal | Not Discharging | 13:54 Apr 09 2025 | 14:03 Jan 28 |
| Fern Street CSO (078j3) | River Croal | Not Discharging | 12:08 Nov 28 2025 | 14:03 Jan 28 |
| Ginger Fold CSO Bol0144 | River Croal | Not Discharging | 13:14 Jan 28 | 14:03 Jan 28 |
| Hacken Works CSO | River Croal | Not Discharging | 11:02 Jan 27 | 14:03 Jan 28 |
| Hag End Brow CSO | River Tonge a tributary of the River Croal | Not Discharging | 21:32 Jan 06 | 14:03 Jan 28 |
| Hall Lane | River Croal | Not Discharging | 08:12 Nov 01 2025 | 14:03 Jan 28 |
| Hind Street CSO | Bradshaw Brook | Not Discharging | 10:04 Aug 11 2025 | 14:03 Jan 28 |
| Hulton Lane Ends STW | Cutacre Brook | Not Discharging | 04:26 Jan 25 | 14:03 Jan 28 |
| Kearsley Ps | River Irwell | Not Discharging | 22:52 Jan 06 | 14:03 Jan 28 |
| King Street CSO 072bv | River Croal | Not Discharging | 17:42 Dec 15 2025 | 14:03 Jan 28 |
| Lever Street No 3 CSO | Jenny Beck via a surface water sewer | Not Discharging | 15:40 Jan 12 | 14:03 Jan 28 |
| Lever Street No 5 CSO 078cd | A culverted section of Jenny Beck, a tributary of River Croal | Not Discharging | 19:44 Nov 11 2025 | 14:03 Jan 28 |
| Lever Street No1 CSO | A culverted section of Jenny Beck | Not Discharging | 18:14 Sep 20 2025 | 14:03 Jan 28 |
| Little Hulton CSO | Astley Brook | Not Discharging | 23:18 Dec 28 2025 | 14:03 Jan 28 |
| Manor Street Bow Street CSO 072es | Croal Minor | Not Discharging | 19:44 Nov 11 2025 | 14:03 Jan 28 |
| Mount Sion Road CSO | River Irwell | Not Discharging | 06:56 Sep 18 2025 | 14:03 Jan 28 |
| Oakenbottom Road CSO 072is | Bradshaw Brook | Not Discharging | 20:52 Jan 13 | 14:03 Jan 28 |
| Orlando Street CSO 078j3 | Croal Minor | Not Discharging | 13:26 Jan 26 | 14:03 Jan 28 |
| Rishton Lane/Weston Street CSO | Culverted section of Jenny Beck, a tributary of the River Croal | Not Discharging | 09:36 Jan 27 | 14:03 Jan 28 |
| Riverside CSO Bolto Bol0058 | River Irwell | Not Discharging | 24:00 Jan 01 1970 | 14:03 Jan 28 |
| Singing Clough CSO 071q8 | Culverted tributary of the River Irwell | Not Discharging | 10:10 Dec 15 2025 | 14:03 Jan 28 |
| Singing Clough CSO 071q8 | Culverted section of Singing Clough Brook (tributary of the River Irwell) | Not Discharging | 04:21 Jan 25 | 14:03 Jan 28 |
| Spa Road CSO 07017 | River Croal | Not Discharging | 01:42 Dec 19 2025 | 14:03 Jan 28 |
| Springfield Tank CSO | Culverted Section of River Croal | Not Discharging | 23:40 Jan 09 | 14:03 Jan 28 |
| Stonehill Road CSO 07049 | Culverted section of Singing Clough Brook, a tributary of the River Irwell | Not Discharging | 11:06 Jan 28 | 14:03 Jan 28 |
| Stonehill Road CSO 072tv | A culverted section of Singing Clough Brook (a tributary of the River Irwell) | Not Discharging | 22:18 Jan 06 | 14:03 Jan 28 |
| Stonehill Trading Estate CSO | Culverted section of Singing Clough Brook, a tributary of the River Irwell | Not Discharging | 11:18 Dec 15 2025 | 14:03 Jan 28 |
| Stpeters Way/Springfield Ind Es CSO | River Croal | Not Discharging | 19:32 Jan 08 | 14:03 Jan 28 |
| TBC | Unity Brook via a surface water sewer | Not Discharging | 12:18 Dec 23 2025 | 14:03 Jan 28 |
| TBC | River Croal | Not Discharging | 24:00 Jan 01 1970 | 14:03 Jan 28 |
| Tynesbank | Ellen Brook via a surface water sewer | Not Discharging | 22:04 Jan 06 | 14:03 Jan 28 |
| Walkden Rd Holyoake Rd CSO 37045 | Worsley Brook | Not Discharging | 10:56 Jan 27 | 14:03 Jan 28 |
| Walker Street CSO | River Croal | Not Discharging | 13:30 Jan 28 | 14:03 Jan 28 |
| Water Street CSO 07020 | River Croal | Not Discharging | 09:45 Mar 12 2025 | 14:03 Jan 28 |
| Weston St Viking St CSO Bol0115 | Jenny Beck (tributary of River Croal) | Not Discharging | 09:50 Jan 27 | 14:03 Jan 28 |
| White Lion Brow CSO | Croal Minor | Not Discharging | 06:58 Nov 01 2025 | 14:03 Jan 28 |
| Worsley STW | Little Hulton Stream | Not Discharging | 10:26 Jan 27 | 14:03 Jan 28 |
| Worsley STW | Little Hulton Stream | Not Discharging | 11:43 Jan 12 | 14:03 Jan 28 |
| Worsley STW | Little Hulton Stream | Not Discharging | 11:43 Jan 12 | 14:03 Jan 28 |
| Zulu Sreet CSO 07032 | River Tonge | Not Discharging | 23:39 Jan 20 | 14:03 Jan 28 |