| 674 Ripponden Road CSO | Culverted section of Hodge Clough (tributary of the River Beal) | Not Discharging | 22:24 Sep 07 | 20:16 Sep 11 |
| Ashes Lane CSO | River Beal | Not Discharging | 11:39 Sep 08 | 20:16 Sep 11 |
| Belfield Road/Beswicke Royds St CSO | Sanney Brook via surface water sewer | Not Discharging | 22:36 Sep 07 | 20:16 Sep 11 |
| Castleton South Junction CSO | Culverted tributary of Trub Brook | Not Discharging | 17:32 Sep 08 | 20:16 Sep 11 |
| Cowlishaw CSO | Luzley Brook | Not Discharging | 23:28 Sep 07 | 20:16 Sep 11 |
| Drake Street CSO (35038) | Culverted section of River Roch via surface water sewer | Not Discharging | 17:08 Sep 08 | 20:16 Sep 11 |
| Fir Lane Combined Sewer Overflow | Unnamed Tributary of River irk | Not Discharging | 09:24 May 19 2025 | 20:16 Sep 11 |
| Hartley Lane CSO | Tributary of Suddon Brook | Not Discharging | 17:20 Sep 08 | 20:16 Sep 11 |
| Holden Fold Lane CSO | Luzley Brook | Not Discharging | 16:06 Sep 08 | 20:16 Sep 11 |
| Manchester Rd CSO (351tt) | River Roch via surface water sewer | Not Discharging | 17:02 Sep 08 | 20:16 Sep 11 |
| Marland Hill Sso | River Roch | Not Discharging | 21:36 Aug 27 | 20:16 Sep 11 |
| Mellor Street CSO | River Spodden | Not Discharging | 20:20 Sep 20 2025 | 20:16 Sep 11 |
| Milnrow Road/Fishwick Street CSO | Culverted section of Moss Brook a tributary of River Roch | Not Discharging | 21:58 Sep 07 | 20:16 Sep 11 |
| Milnrow Road/Fishwick Street CSO | River Roch | Not Discharging | 17:12 Sep 08 | 20:16 Sep 11 |
| Milnrow Road/Pine Street CSO | River Roch via surface water sewer | Not Discharging | 14:14 May 19 | 20:16 Sep 11 |
| Newbold Street CSO | Stanney Brook | Not Discharging | 17:04 Sep 08 | 20:16 Sep 11 |
| Oakenrod Combined Sewer Overflow | River Roch | Not Discharging | 18:16 Sep 08 | 20:16 Sep 11 |
| Oldham Road CSO 35027 | culverted section of Sudden Brook | Not Discharging | 17:34 Sep 08 | 20:16 Sep 11 |
| Peppermint Bridge CSO | Peithorne Brook, tributary River Beal | Not Discharging | 19:44 Sep 11 | 20:16 Sep 11 |
| Rochdale WWTW | River Roch | Not Discharging | 02:28 Sep 09 | 20:16 Sep 11 |
| Royton Settled Storm Overflow | River Irk | Not Discharging | 21:01 Sep 08 | 20:16 Sep 11 |
| Shaw Main Outfall | River Beal | Not Discharging | 03:30 Sep 08 | 20:16 Sep 11 |
| Shaw Road CSO | River Beal | Not Discharging | 12:10 Sep 11 2025 | 20:16 Sep 11 |
| Smith St And John St CSO 35021 | River Roch | Not Discharging | 22:46 Sep 07 | 20:16 Sep 11 |
| Spotland Bridge CSO 35035 | River Spodden | Not Discharging | 17:06 Sep 08 | 20:16 Sep 11 |
| St Marys Gate/Cheetham Street CSO | Culverted section of River Roch | Not Discharging | 12:10 Aug 28 | 20:16 Sep 11 |
| St Marys Gate/Cheetham Street CSO | Culverted tributary to River Roch | Not Discharging | 14:20 Aug 10 | 20:16 Sep 11 |
| St Marys Gate/Cheetham Street CSO | Culverted section of Lord Burn a tributary of River Roch | Not Discharging | 22:40 Sep 07 | 20:16 Sep 11 |
| Stanney Road CSO | Stanney Brook | Not Discharging | 22:06 Sep 07 | 20:16 Sep 11 |
| Sudden Valley Sewer | River Roch | Not Discharging | 17:50 Sep 08 | 20:16 Sep 11 |
| Toad Lane - High Street CSO | River Roch via surface water sewer | Not Discharging | 22:40 Sep 07 | 20:16 Sep 11 |
| Trafalgar Street /Ramsey Street CSO | River Roch via SWS | Not Discharging | 10:34 Sep 11 | 20:16 Sep 11 |
| Water Street CSO | River Roch | Not Discharging | 17:44 Aug 30 | 20:16 Sep 11 |
| Yorkshire St Oswald St CSO 35024 | Hey Brook a trib of the River Roch | Not Discharging | 22:52 Sep 07 | 20:16 Sep 11 |
| Yorkshire Street CSO 35022 | River Roch | Not Discharging | 21:58 Sep 07 | 20:16 Sep 11 |