Sewage Map

Chorlton Brook (Princess Parkway to Mersey) sewage map and spill data

7 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.

7
Outlet records
91
Spills in 2025
173
Recorded hours
7
Linked to a live feed

Annual figures describe the whole of 2025, not today.

Official waterbody record ↗How spills are countedSearch the national map

Outlets on Chorlton Brook (Princess Parkway to 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 7 of 7 outlets

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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
    Mauldeth Road CSO

    United Utilities

    31spills
  2. 2
    Mauldeth Road West CSO

    United Utilities

    26spills
  3. 3
    Edge Lane/Wilbraham Road CSO

    United Utilities

    25spills
  4. 4
    Beech Road/Claude Road CSO

    United Utilities

    5spills
  5. 5
    Great Stone Road CSO (459KP)

    United Utilities

    4spills

Spills over time

The median outlet on Chorlton Brook (Princess Parkway to Mersey) recorded 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. 4 recorded more spills, 1 fewer and 2 the same. Together they went from 76 to 91 spills, a rise of 20%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
2025791511
2024776919

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 Chorlton Brook (Princess Parkway to Mersey)

7 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: GB112069061040. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Chorlton Brook (Princess Parkway to Mersey)

Which outlets are linked to Chorlton Brook (Princess Parkway to Mersey)?
The source links 7 outlet records to waterbody GB112069061040. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Chorlton Brook (Princess Parkway to Mersey)?
7 records report 91 spills in 2025 and 173 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 Chorlton Brook (Princess Parkway to 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 Chorlton Brook (Princess Parkway to Mersey) are linked to a live feed?
7 of the 7 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 Chorlton Brook (Princess Parkway to Mersey)?
Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Chorlton Brook (Princess Parkway to 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.