Sewage Map

Irk (Wince to Irwell) sewage map and spill data

53 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.

53
Outlet records
747
Spills in 2025
1,809
Recorded hours
52
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 Irk (Wince to Irwell)

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 53 outlets

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  • Alford Street PS

    United Utilities · Moston Brook

    Current status unknown
    2025 annual record:28spills218.2hours
  • Aspin Lane CSO

    United Utilities · River Irk

    Current status unknown
    2025 annual record:50spills35.1hours
  • Blackley New Road CSO

    United Utilities · River Irk

    Current status unknown
    2025 annual record:17spills15hours
  • Blackley New Road CSO

    United Utilities · River Irk

    Current status unknown
    2025 annual record:3spills1.3hours
  • Boothroyden Road CSO

    United Utilities · The River Irk

    Current status unknown
    2025 annual record:90spills279.2hours
  • Brentford Street CSO

    United Utilities · Unnamed Watercourse

    Current status unknown
    2025 annual record:0spills0hours
  • Bromley Street Nr Railway Arch CSO

    United Utilities · River Irk

    Current status unknown
    2025 annual record:0spills0hours
  • Burton Street near Dalton Street CSO

    United Utilities · River Irk

    Current status unknown
    2025 annual record:2spills0.4hours
  • Central Avenue CSO

    United Utilities · River Irk

    Current status unknown
    2025 annual record:2spills0.5hours
  • Chudleigh Road CSO

    United Utilities · The River Irk via SWS

    Current status unknown
    2025 annual record:13spills7.3hours

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
    Rochdale Road/Collyhurst CSO

    United Utilities

    92spills
  2. 2
    Boothroyden Road CSO

    United Utilities

    90spills
  3. 3
    Middleton Main Outfall CSO

    United Utilities

    67spills
  4. 4
    Moston Lane/Rochdale Road CSO

    United Utilities

    59spills
  5. 5
    Aspin Lane CSO

    United Utilities

    50spills

Spills over time

The median outlet on Irk (Wince to Irwell) recorded 5 spills in 2025, against 11 across England.

48 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 10 recorded more spills, 28 fewer and 10 the same. Together they went from 900 to 726 spills, a fall of 19%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
202553747511
202453937819

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 Irk (Wince to Irwell)

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

A2 outlets
B6 outlets
C4 outlets
D3 outlets
G1 outlet
H2 outlets
K3 outlets
L4 outlets
M12 outlets
P1 outlet
Q3 outlets
R4 outlets
S3 outlets
V3 outlets
W2 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: GB112069061131. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Irk (Wince to Irwell)

Which outlets are linked to Irk (Wince to Irwell)?
The source links 53 outlet records to waterbody GB112069061131. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Irk (Wince to Irwell)?
53 records report 747 spills in 2025 and 1,809 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 Irk (Wince to Irwell)?
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 Irk (Wince to Irwell) are linked to a live feed?
52 of the 53 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 Irk (Wince to Irwell)?
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 Irk (Wince to Irwell) is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.