Sewage Map

Manchester sewage map and spill data

336 storm overflows listed in the 2025 annual return sit within 10 km of the official Manchester reference point. All are operated by United Utilities. Check the latest company report for each outlet below.

336
Outlets within 10 km
6,084
Spills in 2025
18,930
Recorded hours
328
Linked to a live feed

33 records show monitor operation below 90%. This is a straight-line distance search, not a drainage or boundary join. Annual figures describe the whole of 2025, not today.

Rivers and waters these outlets name

Receiving waters named in the annual return for outlets on this page, with the number of outlets for each.

Official place reference ↗How spills are countedSearch by postcode

Outlets near Manchester

Filter by the latest company report or search within this area. 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 336 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
    Rochdale Road/Collyhurst CSO

    United Utilities · The River Irk

    92spills
  2. 2
    Boothroyden Road CSO

    United Utilities · The River Irk

    90spills
  3. 3
    Hope Street CSO

    United Utilities · River Mersey

    84spills
  4. 4
    Rear of Kennedy Way CSO

    United Utilities · Denton Brook via SWS

    83spills
  5. 5
    STOCKPORT WwTW

    United Utilities · River Mersey

    82spills

Spills over time

The median outlet near Manchester recorded 8 spills in 2025, against 11 across England.

275 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 69 recorded more spills, 158 fewer and 48 the same. Together they went from 6,009 to 5,108 spills, a fall of 15%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20253366,084811
20243347,2271019

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 near Manchester

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

A17 outlets
B42 outlets
C34 outlets
D11 outlets
E4 outlets
F10 outlets
G10 outlets
H18 outlets
I1 outlet
J7 outlets
K5 outlets
L23 outlets
M32 outlets
N6 outlets
O9 outlets
P16 outlets
Q3 outlets
R18 outlets
S30 outlets
T13 outlets
V7 outlets
W19 outlets
Y1 outlet

Sources and dates

Outlet locations and spill figures come from the Environment Agency 2025 event duration monitoring annual return. The place reference point is the ONS built-up area point (ID E63001295). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Manchester

What area does this Manchester page cover?
It shows outlets within 10 km of the official place reference point. It does not follow council, town or postcode boundaries. Use the postcode search on the map for a search around your own location.
How many spills were recorded near Manchester?
336 outlet records report 6,084 spills in 2025. Every record on this page has a usable count.
Which water companies operate outlets near Manchester?
United Utilities operates every outlet listed on this page. Open a company page to see its full outlet list and annual totals.
Which outlets near Manchester are linked to a live feed?
328 of the 336 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 check the latest report and its date. The other 8 show annual figures only.
Did any outlet near Manchester record zero spills in 2025?
59 records report zero counted spills in 2025. 33 records on this page have monitor operation below 90%, so check coverage before treating a low count as reliable.
Does nearby mean an outlet affected Manchester?
No. This is a straight-line location search. The map does not model drainage, river flow or pollution travel, and a nearby outlet can discharge into a different watercourse.