| 18 Deepdale Road | River Ribble via a surface water sewer | Not Discharging | 02:44 Jul 26 | 03:22 Jul 26 |
| 2 Mill Lane Combined Sewer Overflow | Savick Brook via surface water sewer | Not Discharging | 01:34 Jun 14 | 03:22 Jul 26 |
| 208 Deepdale Road CSO | Moor Brook Culvert | Not Discharging | 23:54 Jul 01 | 03:22 Jul 26 |
| 75 Lower Bank Road CSO | Eaves Brook | Not Discharging | 08:00 Apr 22 | 03:22 Jul 26 |
| Albyn Street East CSO 33102 | Swill Brook Culvert, a tributary of River Ribble | Not Discharging | 07:00 Jun 10 | 03:22 Jul 26 |
| Bank Parade CSO | River Ribble Estuarine Waters | Not Discharging | 11:07 Jul 24 | 03:22 Jul 26 |
| Banksfield Avenue CSO 33027 | Savick Brook a tributary of the River Ribble Estuary | Not Discharging | 17:56 Jul 20 | 03:22 Jul 26 |
| Brownedge Lane CSO 401gr | Cockshott Brook a tributary of the River Darwen | Not Discharging | 04:02 Jan 01 | 03:22 Jul 26 |
| Cann Bridge Street CSO 40042 | River Darwen | Not Discharging | 18:50 Jul 17 | 03:22 Jul 26 |
| Cattle Market CSO | Eaves Brook, a tributary of Savick Brook, a tributary of the River Ribble | Not Discharging | 09:03 Jun 10 | 03:22 Jul 26 |
| Causey Way Combined Sewer Overflow | Boundary Brook (tributary of the River Ribble) | Not Discharging | 01:47 Jul 02 | 03:22 Jul 26 |
| Cop Lane CSO | Tributary of the River Ribble, via a surface water sewer | Not Discharging | 07:55 Jul 25 | 03:22 Jul 26 |
| Cuerdale Lane CSO 401qm | River Ribble | Not Discharging | 24:00 Jan 01 1970 | 03:22 Jul 26 |
| Dale Street CSO 331r7 | River Ribble (Tidal) | Not Discharging | 15:18 Jun 25 | 03:22 Jul 26 |
| Duddle Lane CSO | Hennel Brook, A Tributary of the River Darwin | Not Discharging | 02:10 Jun 10 | 03:22 Jul 26 |
| Factory Lane CSO | Boundary Brook, a tributary of the River Ribble | Not Discharging | 09:35 Jun 10 | 03:22 Jul 26 |
| Field East Of River Darwin CSO | River Darwin | Not Discharging | 20:28 Jul 20 | 03:22 Jul 26 |
| Fishergate Hill CSO (Chamber C9) | River Ribble | Not Discharging | 21:14 Jul 25 | 03:22 Jul 26 |
| Fishergate Hill CSO Chamber C8 | River Ribble via Chain Caul culvert | Not Discharging | 09:02 Jul 25 | 03:22 Jul 26 |
| Frenchwood Knoll CSO 331ux | Swillbrook Culvert a tributary of the River Ribble (Tidal) | Not Discharging | 15:32 Jul 15 | 03:22 Jul 26 |
| Garstang Road Bridge CSO 333eh | Savick Brook | Not Discharging | 02:18 Jun 14 | 03:22 Jul 26 |
| George Street CSO 331vj | An unnamed culverted tributary of River Ribble | Not Discharging | 16:02 Jul 15 | 03:22 Jul 26 |
| Halsbury Street CSO 331xr | Swill Brook Culvert, a tributary of the River Ribble | Not Discharging | 23:42 Jul 01 | 03:22 Jul 26 |
| Haslam Park North And South Combined Sewer Overflow (Site Id 33026) (Pre0090) | Savick Brook | Not Discharging | 24:00 Jan 01 1970 | 03:22 Jul 26 |
| Haslam Park North And South Combined Sewer Overflow (Site Id 33026) (Pre0090) | Savick Brook | Not Discharging | 10:00 Feb 15 | 03:22 Jul 26 |
| Hennel Lane CSO | River Darwen | Not Discharging | 04:06 Jul 02 | 03:22 Jul 26 |
| Holme Road Combined Sewer Overflow | River Ribble | Not Discharging | 17:02 Jul 04 | 03:22 Jul 26 |
| London Road | River Ribble via surface water sewer | Not Discharging | 24:00 Jan 01 1970 | 03:22 Jul 26 |
| Manchester Rd/Selbourne Rd CSO | River Ribble via Swillbrook Culvert | Not Discharging | 04:44 Jul 25 | 03:22 Jul 26 |
| Manor House Lane CSO 33037 | Eaves Brook, a tributary of Savick Brook, a tributary of the River Ribble | Not Discharging | 14:02 Jun 10 | 03:22 Jul 26 |
| Moorbrook Street CSO 332f2 | Culverted section of Moor Brook a tributary of the River Ribble Estuary | Not Discharging | 11:32 Jul 08 | 03:22 Jul 26 |
| Percy Street CSO | Storm Culvert, a tributary of the River Ribble | Not Discharging | 18:20 Jun 30 | 03:22 Jul 26 |
| Powis Road CSO 332mg Pre0025 | Chain Caul Culvert | Not Discharging | 18:59 Dec 31 2024 | 03:22 Jul 26 |
| Ribbleton Lane CSO 33103 | River Ribble (Tidal) via a surface water sewer | Not Discharging | 02:33 Jun 10 | 03:22 Jul 26 |
| Riverside Road CSO | River Ribble (Tidal) | Not Discharging | 03:26 Jun 06 | 03:22 Jul 26 |
| Sharoe Green Hospital CSO 333jk | Savick Brook | Not Discharging | 08:56 Jul 22 | 03:22 Jul 26 |
| Sharoe Green Lane CSO 33034 | Savick Brook | Not Discharging | 02:38 Jun 14 | 03:22 Jul 26 |
| St Georges Road CSO | Moore Brook Culvert, a tributary of River Ribble via a surface water sewer | Not Discharging | 19:12 Jul 20 | 03:22 Jul 26 |
| St Pauls Road CSO | Mersey Estuary | Not Discharging | 04:14 Jul 06 | 03:22 Jul 26 |
| TBC | River Ribble via a surface water sewer | Not Discharging | 01:34 Jun 14 | 03:22 Jul 26 |
| TBC | Savick Brook | Not Discharging | 24:00 Jan 01 1970 | 03:22 Jul 26 |
| Valley Road Pumping Station | River Ribble Estuarine Waters | Not Discharging | 11:22 Apr 24 | 03:22 Jul 26 |
| Victoria Rd CSO 33023 | Eaves Brook | Not Discharging | 19:38 Jul 20 | 03:22 Jul 26 |
| Walton-Le-Dale STW | Tidal Ribble River | Not Discharging | 17:36 Jul 17 | 03:22 Jul 26 |
| Watery Lane CSO | Sutton Mill Brook | Not Discharging | 24:42 Jul 26 | 03:22 Jul 26 |
| Watery Lane CSO Pre0108 | Chain Caul Culvert | Not Discharging | 24:00 Jan 01 1970 | 03:22 Jul 26 |
| Watery Lane Douglas St CSO Pre0110 | River Ribble via Chain Caul Culvert and/or Wards Storm Culvert | Not Discharging | 09:19 Mar 31 | 03:22 Jul 26 |
| Watling Street Road CSO 33024 | Eaves Brook a tributary of Savick Brook | Not Discharging | 11:25 Apr 16 | 03:22 Jul 26 |
| West Strand CSO Chamber C10 Pre0071 | Chain Caul Culvert | Not Discharging | 17:54 Jul 20 | 03:22 Jul 26 |
| Wolseley Road CSO | River Ribble Estuarine Waters | Not Discharging | 09:35 Feb 18 | 03:22 Jul 26 |