Sewage Map

Biss (Bitham Bk to Bristol Avon) sewage map and spill data

7 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.

7
Outlet records
34
Spills in 2025
278
Recorded hours
5
Linked to a live feed

1 records have no usable spill count. Annual figures describe the whole of 2025, not today.

Official waterbody record ↗How spills are countedSearch the national map

Outlets on Biss (Bitham Bk to Bristol Avon)

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 7 of 7 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
    Trowbridge Canal Road

    Wessex Water

    21spills
  2. 2
    Trowbridge Bradford Road Inlet

    Wessex Water

    11spills
  3. 3
    Trowbridge Stallard Street O/S 58

    Wessex Water

    2spills
  4. 4
    TROWBRIDGE - TOWN BRIDGE - Combined Sewer Overflow

    Wessex Water

    0spills
  5. 4
    Trowbridge The Shires Multi-Storey Car Park/Basement

    Wessex Water

    0spills

Spills over time

The median outlet on Biss (Bitham Bk to Bristol Avon) recorded 1 spill 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, 4 fewer and 1 the same. Together they went from 77 to 34 spills, a fall of 56%.

YearOutlets with a countTotal spillsMedian per outletEngland median
2025634111
2024577419
2023551120
2022533013
20211101019
20201212118

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 Biss (Bitham Bk to Bristol Avon)

7 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: GB109053021791. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Biss (Bitham Bk to Bristol Avon)

Which outlets are linked to Biss (Bitham Bk to Bristol Avon)?
The source links 7 outlet records to waterbody GB109053021791. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Biss (Bitham Bk to Bristol Avon)?
6 records report 34 spills in 2025 and 278 recorded hours. 1 records have no 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 Biss (Bitham Bk to Bristol Avon)?
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 Biss (Bitham Bk to Bristol Avon) are linked to a live feed?
5 of the 7 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 Biss (Bitham Bk to Bristol Avon)?
Every record with a monitor operation figure shows 90% or more for 2025. 1 records have no operation figure.
Does this show if Biss (Bitham Bk to Bristol Avon) is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.