Sewage Map

Astley Brook (Mersey) sewage map and spill data

10 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.

10
Outlet records
232
Spills in 2025
1,267
Recorded hours
9
Linked to a live feed

1 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 Astley Brook (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 10 outlets

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  • Beech Grove CSO

    United Utilities · Tributary Honksford Brook via SWS

    Current status unknown
    2025 annual record:2spills1hours
  • East Lancs Road Pumping Station (EASTL) (WIG0179)

    United Utilities · Astley Brook

    Current status unknown
    2025 annual record:17spills31hours
  • Little Hulton CSO

    United Utilities · Astley Brook

    Current status unknown
    2025 annual record:0spills0hours
  • Parr Bridge/Mosley Common Road CSO

    United Utilities · Honksford Brook

    Current status unknown
    2025 annual record:8spills14.2hours
  • South of Ashawe Grove CSO

    United Utilities · Tributary of Honksford Brook

    Current status unknown
    2025 annual record:38spills115.1hours
  • South of Ashawe Grove CSO

    United Utilities · Tributary of Honksford Brook

    Current status unknown
    2025 annual record:2spills4.8hours
  • TYLDESLEY WwTW

    United Utilities · Moss Brook

    Current status unknown
    2025 annual record:50spills605.3hours
  • WORSLEY WwTW

    United Utilities · Little Hulton Stream

    Current status unknown
    2025 annual record:72spills248.8hours
  • WORSLEY WwTW

    United Utilities · Little Hulton Stream

    Current status unknown
    2025 annual record:31spills244.2hours
  • WORSLEY WwTW

    United Utilities · Little Hulton Stream

    Current status unknown
    2025 annual record:12spills2.8hours

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
    WORSLEY WwTW

    United Utilities

    72spills
  2. 2
    TYLDESLEY WwTW

    United Utilities

    50spills
  3. 3
    South of Ashawe Grove CSO

    United Utilities

    38spills
  4. 4
    WORSLEY WwTW

    United Utilities

    31spills
  5. 5
    East Lancs Road Pumping Station (EASTL) (WIG0179)

    United Utilities

    17spills

Spills over time

The median outlet on Astley Brook (Mersey) recorded 14.5 spills in 2025, against 11 across England.

7 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 1 recorded more spills, 6 fewer and 0 the same. Together they went from 266 to 186 spills, a fall of 30%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20251023214.511
20241030516.519

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 Astley Brook (Mersey)

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

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: GB112069061100. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Astley Brook (Mersey)

Which outlets are linked to Astley Brook (Mersey)?
The source links 10 outlet records to waterbody GB112069061100. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Astley Brook (Mersey)?
10 records report 232 spills in 2025 and 1,267 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 Astley Brook (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 Astley Brook (Mersey) are linked to a live feed?
9 of the 10 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 Astley Brook (Mersey)?
1 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 Astley Brook (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.