Sewage Map

Gatley sewage map and spill data

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

182
Outlets within 10 km
4,345
Spills in 2025
20,080
Recorded hours
178
Linked to a live feed

20 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 Gatley

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 182 outlets

Open full map
  • Abney Hall CSO

    United Utilities · Micker Brook

    Current status unknown
    2025 annual record:12spills10.5hours
  • ALDERLEY EDGE WwTW

    United Utilities · Whitehall Brook

    Current status unknown
    2025 annual record:91spills908.2hours
  • Alderley Edge WwTW CSO MAC0174

    United Utilities · Carr Brook

    Current status unknown
    2025 annual record:60spills479.2hours
  • Altrincham Road / West End Avenue CSO

    United Utilities · Gatley Brook via SWS

    Current status unknown
    2025 annual record:3spills1.1hours
  • Barrow Lane CSO

    United Utilities · Tributary of River Bollin

    Current status unknown
    2025 annual record:52spills70.5hours
  • BOWDON WwTW

    United Utilities · River Bollin

    Current status unknown
    2025 annual record:61spills604.8hours
  • Cecil Road/Ashley Road CSO

    United Utilities · Tributary of River Bollin via SWS

    Current status unknown
    2025 annual record:1spill0.3hours
  • Chancel Lane CSO

    United Utilities · River Bollin

    Current status unknown
    2025 annual record:45spills94.2hours
  • Chapel Lane CSO

    United Utilities · River Bollin

    Current status unknown
    2025 annual record:2spills0.7hours
  • Cheadle Golf Course CSO

    United Utilities · Micker Brook

    Current status unknown
    2025 annual record:36spills121.8hours

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
    Otterspool Road Combined Sewer Overflow

    United Utilities · The River Goyt

    117spills
  2. 2
    Town Lane CSO

    United Utilities · Mobberley Brook Tributary Rv Bollin · monitor coverage 89.6%, below 90%

    101spills
  3. 3
    ALDERLEY EDGE WwTW

    United Utilities · Whitehall Brook

    91spills
  4. 4
    SALE WwTW

    United Utilities · Stromford Brook

    89spills
  5. 5
    Hope Street CSO

    United Utilities · River Mersey

    84spills

Spills over time

The median outlet near Gatley recorded 10 spills in 2025, against 11 across England.

144 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 59 recorded more spills, 69 fewer and 16 the same. Together they went from 3,952 to 3,629 spills, a fall of 8%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20251824,3451011
20241814,7691319

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 Gatley

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

A8 outlets
B27 outlets
C21 outlets
D4 outlets
E3 outlets
F3 outlets
G5 outlets
H11 outlets
J3 outlets
K1 outlet
L6 outlets
M16 outlets
N5 outlets
O7 outlets
P9 outlets
Q1 outlet
R6 outlets
S20 outlets
T10 outlets
V2 outlets
W13 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 E63001402). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Gatley

What area does this Gatley 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 Gatley?
182 outlet records report 4,345 spills in 2025. Every record on this page has a usable count.
Which water companies operate outlets near Gatley?
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 Gatley are linked to a live feed?
178 of the 182 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 4 show annual figures only.
Did any outlet near Gatley record zero spills in 2025?
22 records report zero counted spills in 2025. 20 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 Gatley?
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.