Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin) sewage map and spill data
4 storm overflows listed in the 2025 annual return name this water. All are operated by United Utilities. Check the latest company report for each outlet below.
- 4
- Outlet records
- 286
- Spills in 2025
- 1,702
- Recorded hours
- 4
- Linked to a live feed
Annual figures describe the whole of 2025, not today.
Outlets on Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin)
Filter by the latest company report. The map follows the filters.
Filters apply to the map and list. Recent stops need a current report and a recorded stop time. They do not show whether water is safe.
Showing 4 of 4 outlets
Open full map- Birch Road CSOCurrent status unknown
United Utilities · Manchester Ship Canal via SWS
2025 annual record:37spills87.8hours - Lock Lane CSOCurrent status unknown
United Utilities · Manchester Ship Canal
2025 annual record:217spills1,573.9hours - Lords Street / Liverpool Road CSOCurrent status unknown
United Utilities · Manchester Ship Canal
2025 annual record:10spills16.5hours - Parkgate Farm Warburton CSOCurrent status unknown
United Utilities · Manchester Ship Canal
2025 annual record:22spills23.9hours
No outlets match these filters.
Most recorded spills in 2025
The highest 2025 counts among these outlets. A count is events, not volume or harm. Equal counts share a rank.
- 1Lock Lane CSO217spills
United Utilities
- 2Birch Road CSO37spills
United Utilities
- 3Parkgate Farm Warburton CSO22spills
United Utilities
- 4Lords Street / Liverpool Road CSO10spills
United Utilities
Spills over time
The median outlet on Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin) recorded 29.5 spills in 2025, against 11 across England.
4 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 2 recorded more spills, 2 fewer and 0 the same. Together they went from 307 to 286 spills, a fall of 7%.
Largest rises from 2024 to 2025
- Lock Lane CSO175 → 217
- Lords Street / Liverpool Road CSO7 → 10
| Year | Outlets with a count | Total spills | Median per outlet | England median |
|---|---|---|---|---|
| 2025 | 4 | 286 | 29.5 | 11 |
| 2024 | 4 | 307 | 62.5 | 19 |
Earlier returns list fewer of these outlets, so totals are not comparable between years. The median per outlet and the like-for-like change are fairer comparisons. Counts are events, not volume.
All outlet records on Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin)
4 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- Birch Road CSOManchester Ship Canal via SWS · 37 spills in 2025
- Lock Lane CSOManchester Ship Canal · 217 spills in 2025
- Lords Street / Liverpool Road CSOManchester Ship Canal · 10 spills in 2025
- Parkgate Farm Warburton CSOManchester Ship Canal · 22 spills in 2025
Sources and dates
Outlet locations, waterbody links and spill figures come from the Environment Agency 2025 event duration monitoring annual return. The latest company reports come from each operator’s live feed and carry their own dates. Waterbody ID: GB112069061011. The official waterbody record is a source lookup; its classification is not imported here.
Questions about Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin)
- Which outlets are linked to Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin)?
- The source links 4 outlet records to waterbody GB112069061011. The link comes from the annual return; it does not model where a discharge travelled.
- How many spills were recorded for Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin)?
- 4 records report 286 spills in 2025 and 1,702 recorded hours. All listed records have a usable count. Outlets can discharge at the same time, so the hours are not the time the whole water was affected.
- Who is responsible for the outlets on Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin)?
- United Utilities operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
- Which outlets on Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin) are linked to a live feed?
- 4 of the 4 records are matched to a monitor in a company live feed. A link does not mean the monitor is working now. Use the status filters above to see the latest report for each outlet, with its date. The rest show annual figures only.
- How complete is the monitoring for Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin)?
- Every record with a monitor operation figure shows 90% or more for 2025.
- Does this show if Mersey/ Manchester Ship Canal (Irwell/Manchester Ship Canal to Bollin) is safe?
- No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.