| 674 Ripponden Road CSO | Culverted section of Hodge Clough (tributary of the River Beal) | Not Discharging | 04:02 Jun 10 | 15:16 Jun 13 |
| Belfield Road/Beswicke Royds St CSO | Sanney Brook via surface water sewer | Not Discharging | 05:54 Jun 08 | 15:16 Jun 13 |
| Castleton South Junction CSO | Culverted tributary of Trub Brook | Not Discharging | 10:58 Jun 12 | 15:16 Jun 13 |
| Cowlishaw CSO | Luzley Brook | Not Discharging | 10:46 Dec 15 2025 | 15:16 Jun 13 |
| Drake Street CSO (35038) | Culverted section of River Roch via surface water sewer | Not Discharging | 06:05 Jun 08 | 15:16 Jun 13 |
| Fir Lane Combined Sewer Overflow | Unnamed Tributary of River irk | Not Discharging | 09:24 May 19 2025 | 15:16 Jun 13 |
| Hartley Lane CSO | Tributary of Suddon Brook | Not Discharging | 06:40 Jun 08 | 15:16 Jun 13 |
| Holden Fold Lane CSO | Luzley Brook | Not Discharging | 12:38 Nov 28 2025 | 15:16 Jun 13 |
| Manchester Rd CSO (351tt) | River Roch via surface water sewer | Not Discharging | 05:48 Jun 08 | 15:16 Jun 13 |
| Marland Hill Sso | River Roch | Not Discharging | 15:06 Sep 12 2025 | 15:16 Jun 13 |
| Mellor Street CSO | River Spodden | Not Discharging | 20:20 Sep 20 2025 | 15:16 Jun 13 |
| Milnrow Road/Fishwick Street CSO | Culverted section of Moss Brook a tributary of River Roch | Not Discharging | 07:10 Jun 09 | 15:16 Jun 13 |
| Milnrow Road/Fishwick Street CSO | River Roch | Not Discharging | 14:42 Jun 12 | 15:16 Jun 13 |
| Milnrow Road/Pine Street CSO | River Roch via surface water sewer | Not Discharging | 14:14 May 19 | 15:16 Jun 13 |
| Newbold Street CSO | Stanney Brook | Not Discharging | 05:08 Jun 10 | 15:16 Jun 13 |
| Oakenrod Combined Sewer Overflow | River Roch | Not Discharging | 13:03 Jun 12 | 15:16 Jun 13 |
| Oldham Road CSO 35027 | culverted section of Sudden Brook | Not Discharging | 11:22 Jun 12 | 15:16 Jun 13 |
| Peppermint Bridge CSO | Peithorne Brook, tributary River Beal | Not Discharging | 15:44 Jun 06 | 15:16 Jun 13 |
| Rochdale WWTW | River Roch | Not Discharging | 23:26 Jun 12 | 15:16 Jun 13 |
| Royton Settled Storm Overflow | River Irk | Not Discharging | 14:57 Jun 12 | 15:16 Jun 13 |
| Shaw Main Outfall | River Beal | Not Discharging | 21:20 Jun 07 | 15:16 Jun 13 |
| Shaw Road CSO | River Beal | Not Discharging | 12:10 Sep 11 2025 | 15:16 Jun 13 |
| Smith St And John St CSO 35021 | River Roch | Not Discharging | 05:04 Jun 10 | 15:16 Jun 13 |
| Spotland Bridge CSO 35035 | River Spodden | Not Discharging | 10:26 Jun 12 | 15:16 Jun 13 |
| St Marys Gate/Cheetham Street CSO | Culverted section of River Roch | Not Discharging | 23:46 Mar 29 | 15:16 Jun 13 |
| St Marys Gate/Cheetham Street CSO | Culverted section of River Roch | Not Discharging | 14:28 May 17 | 01:36 Jun 03 |
| St Marys Gate/Cheetham Street CSO | Culverted section of Lord Burn a tributary of River Roch | Not Discharging | 05:54 Jun 08 | 15:16 Jun 13 |
| Stanney Road CSO | Stanney Brook | Not Discharging | 17:42 May 13 | 15:16 Jun 13 |
| Sudden Valley Sewer | River Roch | Not Discharging | 11:23 Jun 12 | 15:16 Jun 13 |
| Toad Lane - High Street CSO | River Roch via surface water sewer | Not Discharging | 05:52 Jun 08 | 15:16 Jun 13 |
| Trafalgar Street /Ramsey Street CSO | River Roch via SWS | Not Discharging | 14:44 Jun 13 | 15:16 Jun 13 |
| Water Street CSO | River Roch | Not Discharging | 14:10 May 19 | 15:16 Jun 13 |
| Yorkshire St Oswald St CSO 35024 | Hey Brook a trib of the River Roch | Not Discharging | 11:52 Jun 11 | 15:16 Jun 13 |
| Yorkshire Street CSO 35022 | River Roch | Not Discharging | 18:58 May 13 | 15:16 Jun 13 |