Sewage Map

Siston Bk - source to conf R Avon (Brist) sewage map and spill data

19 storm overflows listed in the 2025 annual return name this water. All are operated by Wessex Water. Check the latest company report for each outlet below.

19
Outlet records
251
Spills in 2025
246
Recorded hours
19
Linked to a live feed

Annual figures describe the whole of 2025, not today.

Official waterbody record ↗How spills are countedSearch the national map

Outlets on Siston Bk - source to conf R Avon (Brist)

Filter by the latest company report. 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 19 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
    Bristol Kingswood New Cheltenham Road O/S 43

    Wessex Water

    50spills
  2. 2
    Bristol Irving Close Seymour Road

    Wessex Water

    46spills
  3. 3
    Bristol Kingswood Alma Road / New Cheltenham Road Junction

    Wessex Water

    38spills
  4. 4
    Bristol Kingswood Orchard Vale New O/S 42

    Wessex Water

    30spills
  5. 5
    Bristol Kingswood New Cheltenham Road O/S 23 / 25

    Wessex Water

    16spills

Spills over time

The median outlet on Siston Bk - source to conf R Avon (Brist) recorded 6 spills in 2025, against 11 across England.

19 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 1 recorded more spills, 18 fewer and 0 the same. Together they went from 448 to 251 spills, a fall of 44%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
202519251611
2024194482319
202319541920
202215246513

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 on Siston Bk - source to conf R Avon (Brist)

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

Sources and dates

Outlet locations, waterbody links and spill figures come from the Environment Agency 2025 event duration monitoring annual return. The latest company reports come from each operator’s live feed and carry their own dates. Waterbody ID: GB109053027450. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Siston Bk - source to conf R Avon (Brist)

Which outlets are linked to Siston Bk - source to conf R Avon (Brist)?
The source links 19 outlet records to waterbody GB109053027450. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Siston Bk - source to conf R Avon (Brist)?
19 records report 251 spills in 2025 and 246 recorded hours. All listed records have a usable count. Outlets can discharge at the same time, so the hours are not the time the whole water was affected.
Who is responsible for the outlets on Siston Bk - source to conf R Avon (Brist)?
Wessex Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
Which outlets on Siston Bk - source to conf R Avon (Brist) are linked to a live feed?
19 of the 19 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 see the latest report for each outlet, with its date. The rest show annual figures only.
How complete is the monitoring for Siston Bk - source to conf R Avon (Brist)?
Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Siston Bk - source to conf R Avon (Brist) is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.