Sewage Map

Filton sewage map and spill data

261 storm overflows listed in the 2025 annual return sit within 10 km of the official Filton reference point. All are operated by Wessex Water. Check the latest company report for each outlet below.

261
Outlets within 10 km
3,461
Spills in 2025
10,540
Recorded hours
250
Linked to a live feed

1 records have no usable spill count. 10 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.

Outlets near Filton

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 261 outlets

Open full map

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. 198spills
  2. 2
    Bristol Filton Avenue Outside No 230

    Wessex Water · Horfield Brook via SWS

    80spills
  3. 3
    Avonmouth Kingsweston Lane Storm Tank

    Wessex Water · Severn Estuary(E)

    67spills
  4. 460spills
  5. 5
    Bristol Wordsworth Road Attenuation Tank

    Wessex Water · Horfield Brook

    59spills

Spills over time

The median outlet near Filton recorded 6 spills in 2025, against 11 across England.

230 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 18 recorded more spills, 174 fewer and 38 the same. Together they went from 5,488 to 3,342 spills, a fall of 39%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
20252603,461611
20242515,7561519
20232455,6791120
20222123,272813
20211939319
2020113113118

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 Filton

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

A6 outlets
B227 outlets
F8 outlets
H2 outlets
I1 outlet
K2 outlets
O2 outlets
P3 outlets
R2 outlets
S3 outlets
T3 outlets
W2 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 E63004935). The latest company reports come from each operator’s live feed and carry their own dates.

Questions about Filton

What area does this Filton 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 Filton?
260 outlet records report 3,461 spills in 2025. 1 records have no usable count and are not treated as zero.
Which water companies operate outlets near Filton?
Wessex Water operates every outlet listed on this page. Open a company page to see its full outlet list and annual totals.
Which outlets near Filton are linked to a live feed?
250 of the 261 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 11 show annual figures only.
Did any outlet near Filton record zero spills in 2025?
69 records report zero counted spills in 2025. 10 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 Filton?
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.