| Alford Street Pumping Station | A culverted section of Moston Brook | Not Discharging | 01:30 Feb 12 | 01:16 Apr 29 |
| Boardshaw Road CSO | Whit Brook a tributary of River Irk | Not Discharging | 17:54 Apr 21 | 01:16 Apr 29 |
| Boarshaw Road CSO | Whit Brook | Not Discharging | 17:20 Apr 15 | 01:16 Apr 29 |
| Boundary Park Road CSO | Plumpton Clough | Not Discharging | 12:48 Nov 28 2025 | 01:16 Apr 29 |
| Chuddleigh Road CSO | River Irk via surface water sewer | Not Discharging | 19:08 Mar 24 | 01:16 Apr 29 |
| Cleveland Rd Delaunay Rd CSO 288nj | River Irk | Not Discharging | 17:22 Apr 15 | 01:16 Apr 29 |
| Cleveland Rd Delauneys Rd CSO 281kk | River Irk | Not Discharging | 15:58 Apr 15 | 01:16 Apr 29 |
| Dexter Rd Heaton Park Rd CSO | River Irk | Not Discharging | 16:22 Jul 22 2025 | 01:16 Apr 29 |
| Ferneyfield Road CSO Old0104 | Spring Brook via SWS | Not Discharging | 01:18 Apr 28 | 01:16 Apr 29 |
| Fielding Street CSO (Roc0193) | Culverted tributary of Whit Brook | Not Discharging | 01:48 Apr 23 | 01:16 Apr 29 |
| Foxdenton Lane CSO | Culverted section of Wince Brook | Not Discharging | 13:36 Apr 17 | 01:16 Apr 29 |
| Glenbrook Rd Exter Rd CSO 281vu | River Irk | Not Discharging | 15:52 Apr 15 | 01:16 Apr 29 |
| Greengate Combined Sewer Overflow | Wince Brook | Not Discharging | 19:12 Mar 24 | 01:16 Apr 29 |
| Hunt Lane Combined Sewer Overflow | Stock Brook Culvert via surface water sewer | Not Discharging | 13:46 Dec 29 2025 | 01:16 Apr 29 |
| John Lee Fold CSO | Whit Brook | Not Discharging | 13:02 Apr 04 2025 | 01:16 Apr 29 |
| Kendall Road Blackley CSO | River Irk via Birch Brook Culvert | Not Discharging | 15:46 Jan 06 | 01:16 Apr 29 |
| Kirkway Combined Sewer Overflow | Wince Brook a tributary of the River Irk | Not Discharging | 17:46 Apr 15 | 01:16 Apr 29 |
| Long Street Combined Sewer Overflow | Culverted section of River Irk via Surface Water Sewer | Not Discharging | 15:50 Apr 15 | 01:16 Apr 29 |
| Mainway/Worcester Road CSO | Boardman Brook | Not Discharging | 17:58 Apr 15 | 01:16 Apr 29 |
| Mainwayeast/Lincoln Road CSO | Wince Brook via surface water sewer | Not Discharging | 15:58 Apr 15 | 01:16 Apr 29 |
| Manchester New Road CSO | Boardman Brook | Not Discharging | 15:46 Apr 15 | 01:16 Apr 29 |
| Manchester Old Road CSO | Tributary of River Irk | Not Discharging | 16:00 Apr 15 | 01:16 Apr 29 |
| Middleton Main Outfall | River Irk | Not Discharging | 14:36 Apr 17 | 01:16 Apr 29 |
| Middleton Rd Ps | Whittle Brook via a surface water sewer | Not Discharging | 20:09 Jan 25 | 01:16 Apr 29 |
| Middleton Road CSO | Whittle Brook via a Surface Water Sewer | Not Discharging | 15:58 Apr 15 | 01:16 Apr 29 |
| Middleton Road/Victoria Avenue CSO | River Irk | Not Discharging | 21:18 Jul 29 2025 | 01:16 Apr 29 |
| Mill Brow/Blackley New Road CSO | Culverted tributary of River Irk | Not Discharging | 17:20 Apr 15 | 01:16 Apr 29 |
| Mill Brow/Blackley New Road CSO | Culverted section of River Irk | Not Discharging | 17:12 Apr 15 | 01:16 Apr 29 |
| Mossway CSO | Boardman Brook via surface water sewer | Not Discharging | 09:24 Mar 27 2025 | 01:16 Apr 29 |
| Moston Rd/ Chadderton Low Level Ps | Wince Brook | Not Discharging | 13:54 Dec 15 2025 | 01:16 Apr 29 |
| Oldham WWTW | Wince Brook | Not Discharging | 18:24 Dec 26 2025 | 01:16 Apr 29 |
| Oldham WWTW | Wince Brook | Not Discharging | 18:37 Mar 25 | 01:16 Apr 29 |
| Oldham WWTW | Wince Brook | Not Discharging | 12:38 Oct 14 2025 | 01:16 Apr 29 |
| Oldham WWTW | Wince Brook | Not Discharging | 18:24 Dec 26 2025 | 01:16 Apr 29 |
| S. Chadderton/ | Wince Brook | Not Discharging | 15:26 Apr 17 | 01:16 Apr 29 |
| Sheepfoot Lane CSO | Plumpton Clough | Not Discharging | 13:34 Apr 17 | 01:16 Apr 29 |
| South Of Blackley New Road CSO | River Irk | Not Discharging | 17:12 Apr 15 | 01:16 Apr 29 |
| South Of Blackley New Road CSO | River Irk | Not Discharging | 15:58 Apr 15 | 01:16 Apr 29 |
| South Of Blackley New Road CSO | River Irk | Not Discharging | 19:32 Dec 05 2025 | 01:16 Apr 29 |
| Spring Vale Combined Sewer Overflow | River Irk | Not Discharging | 02:06 Feb 01 | 01:16 Apr 29 |
| Swan Mill/Drummer Mill CSO | Springs Brook | Not Discharging | 04:54 Nov 22 2025 | 01:16 Apr 29 |
| TBC | Tributary of Wince Brook | Not Discharging | 13:36 Apr 17 | 01:16 Apr 29 |
| The Causeway Chadderton Wwnps | Wince Brook | Not Discharging | 09:00 Apr 18 | 01:16 Apr 29 |
| Tintern Road (Off The Land) CSO | Tributary of Trub Brook via surface water sewer | Not Discharging | 13:23 Jul 23 2025 | 01:16 Apr 29 |
| Victoria Avenue/Glenbrook CSO | River Irk via Surface Water Sewer | Not Discharging | 15:56 Apr 15 | 01:16 Apr 29 |
| Victoria Avenue/River Irk CSO | River Irk | Not Discharging | 16:08 Apr 15 | 01:16 Apr 29 |
| Waverley Rd CSO 352w4 | Trub Brook tributary of River Irk | Not Discharging | 16:06 Apr 15 | 01:16 Apr 29 |
| Westhulme Hospital CSO | Plumpton Clough | Not Discharging | 24:44 Apr 29 | 01:16 Apr 29 |
| Whitley Drive CSO | Wince Brook | Not Discharging | 17:32 Apr 15 | 01:16 Apr 29 |
| Wood Street CSO | Wood Brook a culverted tributary of the River Irk | Not Discharging | 17:38 Apr 15 | 01:16 Apr 29 |