| 674 Ripponden Road CSO | Culverted section of Hodge Clough (tributary of the River Beal) | Not Discharging | 17:44 Dec 15 2025 | 16:37 Mar 14 |
| Belfield Road/Beswicke Royds St CSO | Sanney Brook via surface water sewer | Not Discharging | 06:38 Mar 06 | 16:37 Mar 14 |
| Castleton South Junction CSO | Culverted tributary of Trub Brook | Not Discharging | 22:34 Mar 12 | 16:37 Mar 14 |
| Cowlishaw CSO | Luzley Brook | Not Discharging | 10:46 Dec 15 2025 | 16:37 Mar 14 |
| Drake Street CSO (35038) | Culverted section of River Roch via surface water sewer | Not Discharging | 06:41 Mar 06 | 16:37 Mar 14 |
| Fir Lane Combined Sewer Overflow | Unnamed Tributary of River irk | Not Discharging | 09:24 May 19 2025 | 16:37 Mar 14 |
| Hartley Lane CSO | Tributary of Suddon Brook | Not Discharging | 14:04 Mar 13 | 16:37 Mar 14 |
| Holden Fold Lane CSO | Luzley Brook | Not Discharging | 12:38 Nov 28 2025 | 16:37 Mar 14 |
| Manchester Rd CSO (351tt) | River Roch via surface water sewer | Not Discharging | 06:40 Mar 06 | 16:37 Mar 14 |
| Marland Hill Sso | River Roch | Not Discharging | 15:06 Sep 12 2025 | 16:37 Mar 14 |
| Mellor Street CSO | River Spodden | Not Discharging | 20:20 Sep 20 2025 | 16:37 Mar 14 |
| Milnrow Road/Fishwick Street CSO | Culverted section of Moss Brook a tributary of River Roch | Not Discharging | 08:30 Mar 12 | 16:37 Mar 14 |
| Milnrow Road/Fishwick Street CSO | River Roch | Not Discharging | 20:30 Mar 13 | 16:37 Mar 14 |
| Milnrow Road/Pine Street CSO | River Roch via surface water sewer | Not Discharging | 20:18 Nov 11 2025 | 16:37 Mar 14 |
| Newbold Street CSO | Stanney Brook | Not Discharging | 18:22 Mar 12 | 16:37 Mar 14 |
| Oakenrod Combined Sewer Overflow | River Roch | Not Discharging | 22:01 Mar 13 | 16:37 Mar 14 |
| Oldham Road CSO 35027 | culverted section of Sudden Brook | Not Discharging | 21:18 Mar 13 | 16:37 Mar 14 |
| Peppermint Bridge CSO | Peithorne Brook, tributary River Beal | Not Discharging | 10:58 Mar 14 | 16:37 Mar 14 |
| Rochdale WWTW | River Roch | Not Discharging | 09:29 Mar 14 | 16:37 Mar 14 |
| Royton Settled Storm Overflow | River Irk | Not Discharging | 01:32 Mar 14 | 16:37 Mar 14 |
| Shaw Main Outfall | River Beal | Not Discharging | 22:56 Dec 18 2025 | 16:37 Mar 14 |
| Shaw Road CSO | River Beal | Not Discharging | 12:10 Sep 11 2025 | 16:37 Mar 14 |
| Smith St And John St CSO 35021 | River Roch | Not Discharging | 06:46 Mar 06 | 16:37 Mar 14 |
| Spotland Bridge CSO 35035 | River Spodden | Not Discharging | 07:00 Mar 06 | 16:37 Mar 14 |
| St Marys Gate/Cheetham Street CSO | Culverted section of River Roch | Not Discharging | 05:51 Oct 12 2025 | 16:37 Mar 14 |
| St Marys Gate/Cheetham Street CSO | Culverted section of River Roch | Not Discharging | 12:14 Mar 10 | 16:37 Mar 14 |
| St Marys Gate/Cheetham Street CSO | Culverted section of Lord Burn a tributary of River Roch | Not Discharging | 21:00 Mar 11 | 16:37 Mar 14 |
| Stanney Road CSO | Stanney Brook | Not Discharging | 24:34 Nov 15 2025 | 16:37 Mar 14 |
| Sudden Valley Sewer | River Roch | Not Discharging | 21:36 Mar 13 | 16:37 Mar 14 |
| Toad Lane - High Street CSO | River Roch via surface water sewer | Not Discharging | 06:40 Mar 06 | 16:37 Mar 14 |
| Trafalgar Street /Ramsey Street CSO | River Roch via SWS | Not Discharging | 12:14 Mar 14 | 16:37 Mar 14 |
| Water Street CSO | River Roch | Not Discharging | 11:34 Sep 11 2025 | 16:37 Mar 14 |
| Yorkshire St Oswald St CSO 35024 | Hey Brook a trib of the River Roch | Not Discharging | 06:56 Mar 06 | 16:37 Mar 14 |
| Yorkshire Street CSO 35022 | River Roch | Not Discharging | 01:14 Dec 01 2025 | 16:37 Mar 14 |