| 91 Manchester Road CSO 072go | Croal Minor | Not Discharging | 14:40 Apr 17 | 04:01 Apr 29 |
| Adelaide Street CSO | Tanner Hole Brook | Not Discharging | 03:36 Apr 29 | 04:01 Apr 29 |
| Bolton Wastewater Treatment Works | River Irwell | Not Discharging | 15:00 Apr 07 | 04:01 Apr 29 |
| Bolton Wastewater Treatment Works | River Irwell | Not Discharging | 03:03 Mar 30 | 04:01 Apr 29 |
| Bridge Street Bow Street CSO | A culverted section of Middle Brook, a tributary of the River Croal | Not Discharging | 01:30 Apr 16 | 04:01 Apr 29 |
| Bridgeman Park CSO | River Croal | Not Discharging | 14:32 Apr 19 | 04:01 Apr 29 |
| Bridgeman St Higher Swan Lane CSO | Jenny Beck | Not Discharging | 23:56 Jul 24 2025 | 04:01 Apr 29 |
| Caledonia St Hibernia St CSO 071ib | Middle Brook via a surface water sewer | Not Discharging | 11:58 Jun 04 2025 | 04:01 Apr 29 |
| Cammerclough Road CSO | River Croal | Not Discharging | 14:48 Apr 17 | 04:01 Apr 29 |
| Church Bank (Side Of Viaduct) CSO | Croal Minor | Not Discharging | 17:02 Apr 15 | 04:01 Apr 29 |
| Church Bank Railway Viaduct CSO | Croal Minor | Not Discharging | 15:44 Feb 20 | 04:01 Apr 29 |
| Church Wharfe CSO 073bw | A culverted section of the River Croal Minor | Not Discharging | 13:48 Apr 17 | 04:01 Apr 29 |
| Clifton House Road Pumping Station | River Irwell | Not Discharging | 09:14 Apr 28 | 04:01 Apr 29 |
| Croft Ln Manchester Rd CSO Bol0206 | River Croal via a surface water sewer | Not Discharging | 14:16 Apr 17 | 04:01 Apr 29 |
| Croft Ln Manchester Rd CSO Bol0206 | Jenny Beck Culvert, River Croal | Not Discharging | 19:40 Nov 11 2025 | 04:01 Apr 29 |
| Crown Street CSO 071qi | Croal Minor | Not Discharging | 14:12 Apr 17 | 04:01 Apr 29 |
| CSO South Of Ashawe Grove | Tributary (culverted section) of Honksford Brook via surface water sewer | Not Discharging | 14:16 Apr 17 | 04:01 Apr 29 |
| CSO South Of Ashawe Grove | Tributary (culverted section) of Honksford Brook via surface water sewer | Not Discharging | 17:20 Jul 20 2025 | 04:01 Apr 29 |
| Darcy Lever Old Hall CSO | Blackshaw Brook | Not Discharging | 15:50 Apr 15 | 04:01 Apr 29 |
| Dragons Tooth CSO | River Croal | Not Discharging | 02:44 Apr 16 | 04:01 Apr 29 |
| Edith Street CSO 078nl | River Croal | Not Discharging | 13:54 Apr 09 2025 | 04:01 Apr 29 |
| Fern Street CSO (078j3) | River Croal | Not Discharging | 15:30 Apr 15 | 04:01 Apr 29 |
| Ginger Fold CSO Bol0144 | River Croal | Not Discharging | 02:06 Apr 16 | 04:01 Apr 29 |
| Hacken Works CSO | River Croal | Not Discharging | 15:12 Apr 17 | 04:01 Apr 29 |
| Hag End Brow CSO | River Tonge a tributary of the River Croal | Not Discharging | 06:50 Apr 22 | 04:01 Apr 29 |
| Hall Lane | River Croal | Not Discharging | 14:00 Apr 17 | 04:01 Apr 29 |
| Hind Street CSO | Bradshaw Brook | Not Discharging | 10:04 Aug 11 2025 | 04:01 Apr 29 |
| Hulton Lane Ends STW | Cutacre Brook | Not Discharging | 01:34 Apr 16 | 04:01 Apr 29 |
| Kearsley Ps | River Irwell | Not Discharging | 16:00 Apr 15 | 04:01 Apr 29 |
| King Street CSO 072bv | River Croal | Not Discharging | 15:52 Feb 06 | 04:01 Apr 29 |
| Lever Street No 3 CSO | Jenny Beck via a surface water sewer | Not Discharging | 13:50 Apr 17 | 04:01 Apr 29 |
| Lever Street No 5 CSO 078cd | A culverted section of Jenny Beck, a tributary of River Croal | Not Discharging | 19:44 Nov 11 2025 | 04:01 Apr 29 |
| Lever Street No1 CSO | A culverted section of Jenny Beck | Not Discharging | 18:14 Sep 20 2025 | 04:01 Apr 29 |
| Little Hulton CSO | Astley Brook | Not Discharging | 16:18 Mar 09 | 04:01 Apr 29 |
| Manor Street Bow Street CSO 072es | Croal Minor | Not Discharging | 19:44 Nov 11 2025 | 04:01 Apr 29 |
| Mount Sion Road CSO | River Irwell | Not Discharging | 04:32 Feb 25 | 04:01 Apr 29 |
| Oakenbottom Road CSO 072is | Bradshaw Brook | Not Discharging | 07:26 Apr 28 | 04:01 Apr 29 |
| Orlando Street CSO 078j3 | Croal Minor | Not Discharging | 02:36 Feb 20 | 04:01 Apr 29 |
| Rishton Lane/Weston Street CSO | Culverted section of Jenny Beck, a tributary of the River Croal | Not Discharging | 01:28 Apr 16 | 04:01 Apr 29 |
| Riverside CSO Bolto Bol0058 | River Irwell | Not Discharging | 21:46 Mar 31 | 04:01 Apr 29 |
| Singing Clough CSO 071q8 | River Irwell | Not Discharging | 17:13 Apr 15 | 04:01 Apr 29 |
| Singing Clough CSO 071q8 | Culverted tributary of the River Irwell | Not Discharging | 17:06 Apr 15 | 04:01 Apr 29 |
| Singing Clough CSO 071q8 | Culverted section of Singing Clough Brook (tributary of the River Irwell) | Not Discharging | 14:32 Apr 17 | 04:01 Apr 29 |
| Spa Road CSO 07017 | River Croal | Not Discharging | 03:34 Apr 29 | 04:01 Apr 29 |
| Springfield Tank CSO | Culverted Section of River Croal | Not Discharging | 03:30 Apr 29 | 04:01 Apr 29 |
| Stonehill Road CSO 07049 | Culverted section of Singing Clough Brook, a tributary of the River Irwell | Not Discharging | 15:33 Apr 15 | 04:01 Apr 29 |
| Stonehill Road CSO 072tv | A culverted section of Singing Clough Brook (a tributary of the River Irwell) | Not Discharging | 17:38 Apr 15 | 04:01 Apr 29 |
| Stonehill Trading Estate CSO | Culverted section of Singing Clough Brook, a tributary of the River Irwell | Not Discharging | 18:38 Feb 11 | 04:01 Apr 29 |
| Stpeters Way/Springfield Ind Es CSO | River Croal | Not Discharging | 13:40 Apr 03 | 04:01 Apr 29 |
| TBC | Unity Brook via a surface water sewer | Not Discharging | 17:04 Apr 15 | 04:01 Apr 29 |
| TBC | River Tonge | Not Discharging | 02:30 Apr 27 | 04:01 Apr 29 |
| TBC | River Croal | Not Discharging | 19:40 Apr 22 | 04:01 Apr 29 |
| Tynesbank | Ellen Brook via a surface water sewer | Not Discharging | 14:22 Apr 17 | 04:01 Apr 29 |
| Walkden Rd Holyoake Rd CSO 37045 | Worsley Brook | Not Discharging | 18:18 Feb 11 | 04:01 Apr 29 |
| Walker Street CSO | River Croal | Not Discharging | 23:00 Apr 28 | 04:01 Apr 29 |
| Water Street CSO 07020 | River Croal | Not Discharging | 09:45 Mar 12 2025 | 04:01 Apr 29 |
| Weston St Viking St CSO Bol0115 | Jenny Beck (tributary of River Croal) | Not Discharging | 14:08 Apr 17 | 04:01 Apr 29 |
| White Lion Brow CSO | Croal Minor | Not Discharging | 16:26 Feb 15 | 04:01 Apr 29 |
| Worsley STW | Little Hulton Stream | Not Discharging | 15:05 Apr 17 | 04:01 Apr 29 |
| Worsley STW | Little Hulton Stream | Not Discharging | 16:24 Mar 29 | 04:01 Apr 29 |
| Worsley STW | Little Hulton Stream | Not Discharging | 15:43 Apr 15 | 04:01 Apr 29 |
| Zulu Sreet CSO 07032 | River Tonge | Not Discharging | 13:46 Apr 17 | 04:01 Apr 29 |