Sewage Map

By Bk - conf Doncombe Bk to conf R Avon (Brist) sewage map and spill data

5 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.

5
Outlet records
161
Spills in 2025
670
Recorded hours
5
Linked to a live feed

Annual figures describe the whole of 2025, not today.

Outlets on By Bk - conf Doncombe Bk 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 5 of 5 outlets

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  • Box Mill Lane

    Wessex Water · By Brook

    Current status unknown
    2025 annual record:40spills165.1hours
  • Box Mill Lane Storm Tank

    Wessex Water · By Brook (S)

    Current status unknown
    2025 annual record:45spills413.9hours
  • Box Recreation Ground (Adj To)

    Wessex Water · By Brook

    Current status unknown
    2025 annual record:43spills25.2hours
  • Box Valens Terrace

    Wessex Water · By Brook

    Current status unknown
    2025 annual record:29spills50.8hours
  • Colerne Storm Tank

    Wessex Water · By Brook

    Current status unknown
    2025 annual record:4spills15.2hours

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. 145spills
  2. 243spills
  3. 3
    Box Mill Lane

    Wessex Water

    40spills
  4. 4
    Box Valens Terrace

    Wessex Water

    29spills
  5. 5
    Colerne Storm Tank

    Wessex Water

    4spills

Spills over time

The median outlet on By Bk - conf Doncombe Bk to conf R Avon (Brist) recorded 40 spills in 2025, against 11 across England.

5 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 5 fewer and 0 the same. Together they went from 274 to 161 spills, a fall of 41%.

YearOutlets with a countTotal spillsMedian per outletEngland median
202551614011
202452745919
202352725520
202251583713
202112219
202025326.518

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 By Bk - conf Doncombe Bk to conf R Avon (Brist)

5 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: GB109053027380. The official waterbody record is a source lookup; its classification is not imported here.

Questions about By Bk - conf Doncombe Bk to conf R Avon (Brist)

Which outlets are linked to By Bk - conf Doncombe Bk to conf R Avon (Brist)?
The source links 5 outlet records to waterbody GB109053027380. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for By Bk - conf Doncombe Bk to conf R Avon (Brist)?
5 records report 161 spills in 2025 and 670 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 By Bk - conf Doncombe Bk 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 By Bk - conf Doncombe Bk to conf R Avon (Brist) are linked to a live feed?
5 of the 5 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 By Bk - conf Doncombe Bk to conf R Avon (Brist)?
Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if By Bk - conf Doncombe Bk 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.