Sewage Map

Horwich sewage map and spill data

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

181
Outlets within 10 km
4,112
Spills in 2025
14,158
Recorded hours
176
Linked to a live feed

17 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 Horwich

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 181 outlets

Open full map
  • 184 Warrington Road CSO

    United Utilities · Tributary of River Douglas via SWS

    Current status unknown
    2025 annual record:0spills0hours
  • Arbour Lane Pumping Station (50033) (WIG0029 )

    United Utilities · Mill Brook

    Current status unknown
    2025 annual record:14spills45.8hours
  • Beech Hill Lane CSO

    United Utilities · Billy Pit Brook Lpool Canal

    Current status unknown
    2025 annual record:2spills9.1hours
  • Bradley Lane CSO

    United Utilities · Bradley Brook (tributary of River Douglas)

    Current status unknown
    2025 annual record:51spills80.5hours
  • Bradshaw Street CSO

    United Utilities · River Douglas via SWS

    Current status unknown
    2025 annual record:27spills21.9hours
  • Central Park CSO

    United Utilities · River Douglas

    Current status unknown
    2025 annual record:91spills226.6hours
  • Chestnut Road CSO

    United Utilities · River Douglas via SWS

    Current status unknown
    2025 annual record:14spills13.6hours
  • Chorley Road M.H E36 Standish

    United Utilities · River Douglas

    Current status unknown
    2025 annual record:65spills117.3hours
  • Close Brook CSO

    United Utilities · Close Brook Tributary of River Douglas

    Current status unknown
    2025 annual record:4spills23.3hours
  • Gower Street CSO

    United Utilities · River Douglas

    Current status unknown
    2025 annual record:38spills117.8hours

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
    91 Manchester Road CSO

    United Utilities · Croal Minor

    114spills
  2. 2
    West of Hacken Works (Syphon) CSO

    United Utilities · River Croal

    100spills
  3. 3
    O/S 8 Hardy Drive CSO

    United Utilities · Tributary River Chor

    99spills
  4. 4
    Birtenshaw Farm CSO (BOL0151)

    United Utilities · Eagley Brook

    98spills
  5. 5
    No 76 Middle Brook CSO

    United Utilities · Middle Brook

    94spills

Spills over time

The median outlet near Horwich recorded 12 spills in 2025, against 11 across England.

154 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 25 recorded more spills, 107 fewer and 22 the same. Together they went from 5,394 to 3,581 spills, a fall of 34%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20251814,1121211
20241795,7712019

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 Horwich

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

A10 outlets
B16 outlets
C26 outlets
D6 outlets
E5 outlets
F3 outlets
G6 outlets
H17 outlets
I1 outlet
J2 outlets
K3 outlets
L16 outlets
M8 outlets
N3 outlets
O6 outlets
P6 outlets
R5 outlets
S13 outlets
T8 outlets
V1 outlet
W17 outlets
Y2 outlets
Z1 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 E63001095). The latest company reports come from each operator’s live feed and carry their own dates.

All sourcesHow the data worksReport pollution

Questions about Horwich

What area does this Horwich 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 Horwich?
181 outlet records report 4,112 spills in 2025. Every record on this page has a usable count.
Which water companies operate outlets near Horwich?
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 Horwich are linked to a live feed?
176 of the 181 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 5 show annual figures only.
Did any outlet near Horwich record zero spills in 2025?
27 records report zero counted spills in 2025. 17 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 Horwich?
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.