Sewage Map

Heywood sewage map and spill data

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

202
Outlets within 10 km
4,309
Spills in 2025
14,037
Recorded hours
199
Linked to a live feed

18 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 Heywood

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 202 outlets

Open full map
  • 106 Water Street CSO (099KN)

    United Utilities · Manchester, Bolton & Bury Canal

    Current status unknown
    2025 annual record:7spills12.1hours
  • Agecroft Power Station

    United Utilities · The River Irwell

    Current status unknown
    2025 annual record:73spills124.6hours
  • Agecroft Road East CSO

    United Utilities · River Irwell via Culvert

    Current status unknown
    2025 annual record:0spills0hours
  • Ainsworth Road CSO (091LY)

    United Utilities · River Irwell via a surface water sewer

    Current status unknown
    2025 annual record:6spills10.6hours
  • 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
  • Bolton Road/Canute Street CSO

    United Utilities · River Irwell

    Current status unknown
    2025 annual record:72spills170.4hours
  • 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
  • Bridge Hall Lane CSO

    United Utilities · River Roch

    Current status unknown
    2025 annual record:0spills0hours

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 WwTW

    United Utilities · River Roch

    104spills
  2. 2
    Rochdale Road/Collyhurst CSO

    United Utilities · The River Irk

    92spills
  3. 3
    Boothroyden Road CSO

    United Utilities · The River Irk

    90spills
  4. 3
    Lomax Street combined sewer overflow (099AA) (BRY0033)

    United Utilities · The River Irwell

    90spills
  5. 5
    Peel Hall Drive CSO

    United Utilities · River Irwell

    88spills

Spills over time

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

170 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 35 recorded more spills, 111 fewer and 24 the same. Together they went from 4,762 to 3,802 spills, a fall of 20%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20252024,3091011
20242015,6301419

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 Heywood

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

A8 outlets
B18 outlets
C16 outlets
D4 outlets
E2 outlets
F6 outlets
G3 outlets
H8 outlets
J4 outlets
K5 outlets
L7 outlets
M29 outlets
N5 outlets
O12 outlets
P14 outlets
Q3 outlets
R13 outlets
S20 outlets
T7 outlets
U1 outlet
V2 outlets
W13 outlets
Y2 outlets

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 E63001118). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Heywood

What area does this Heywood 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 Heywood?
202 outlet records report 4,309 spills in 2025. Every record on this page has a usable count.
Which water companies operate outlets near Heywood?
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 Heywood are linked to a live feed?
199 of the 202 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 3 show annual figures only.
Did any outlet near Heywood record zero spills in 2025?
31 records report zero counted spills in 2025. 18 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 Heywood?
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.