Sewage Map

Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey) sewage map and spill data

47 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.

47
Outlet records
574
Spills in 2025
1,577
Recorded hours
45
Linked to a live feed

4 records show monitor operation below 90%. Annual figures describe the whole of 2025, not today.

Official waterbody record ↗How spills are countedSearch the national map

Outlets on Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey)

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 10 of 47 outlets

Open full map
  • 3 Wood Road CSO

    United Utilities · Ouel Brook

    Current status unknown
    2025 annual record:0spills0hours
  • Ashburton Road/Central Park CSO

    United Utilities · Manchester Ship Canal via SWS

    Current status unknown
    2025 annual record:3spills2.6hours
  • Barton Lane/Fountain Street CSO

    United Utilities · Manchester Ship Canal via SWS

    Current status unknown
    2025 annual record:8spills15hours
  • Barton Road CSO

    United Utilities · Bent Lanes Brook/LONGFORD Broo

    Current status unknown
    2025 annual record:19spills15.3hours
  • Bennett Street CSO

    United Utilities · Clvrt Section of Corn Brook

    Current status unknown
    2025 annual record:1spill4.3hours
  • Bentcliffe Way / Wood Street CSO

    United Utilities · Gilda Brook

    Current status unknown
    2025 annual record:0spills0hours
  • Blackfriars Street CSO

    United Utilities · River Irwell

    Current status unknown
    2025 annual record:20spills3.3hours
  • Bradwell Avenue CSO (451HA) (TRA0068)

    United Utilities · Longford Brook Tributary Ship Canal

    Current status unknown
    2025 annual record:4spills4.3hours
  • Bridge Street CSO

    United Utilities · River Irwell

    Current status unknown
    2025 annual record:10spills6.9hours
  • Bridge Street West CSO

    United Utilities · The River Irwell

    Current status unknown
    2025 annual record:4spills2.3hours

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.

  1. 1
    SALFORD WwTW

    United Utilities

    64spills
  2. 2
    Lostock Road CSO

    United Utilities

    54spills
  3. 3
    Lancaster/Radcliffe Road

    United Utilities

    50spills
  4. 4
    Clowes Street/Daniel Adamson Road CSO

    United Utilities

    37spills
  5. 5
    Woodhouse Road CSO

    United Utilities

    36spills

Spills over time

The median outlet on Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey) recorded 7 spills in 2025, against 11 across England.

39 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 8 recorded more spills, 28 fewer and 3 the same. Together they went from 790 to 557 spills, a fall of 29%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
202547574711
202447811919

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 Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey)

47 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.

A1 outlet
B9 outlets
C4 outlets
D3 outlets
F2 outlets
G1 outlet
H1 outlet
J1 outlet
L5 outlets
N1 outlet
P2 outlets
R3 outlets
S3 outlets
T2 outlets
U1 outlet
V3 outlets
W5 outlets

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: GB112069061452. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey)

Which outlets are linked to Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey)?
The source links 47 outlet records to waterbody GB112069061452. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey)?
47 records report 574 spills in 2025 and 1,577 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 Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey)?
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 Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey) are linked to a live feed?
45 of the 47 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 Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey)?
4 of the listed records have monitor operation below 90% for 2025. Events can be missed when a monitor is not working, so low counts from those outlets may understate activity.
Does this show if Irwell / Manchester Ship Canal (Irk to confluence with Upper Mersey) is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.