Sewage Map

Cannop Bk - source to R Severn Estuary sewage map and spill data

8 storm overflows listed in the 2025 annual return name this water. 2 companies operate them. Check the latest company report for each outlet below.

8
Outlet records
162
Spills in 2025
1,321
Recorded hours
6
Linked to a live feed

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

Water companies on this water

Official waterbody record ↗How spills are countedSearch the national map

Outlets on Cannop Bk - source to R Severn Estuary

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 8 of 8 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
    Lydney - Church Road (CSO)

    Severn Trent Water

    57spills
  2. 2
    Lydney - East Marsh (SSO)

    Severn Trent Water

    48spills
  3. 3
    Oldcroft - Old Dam Road (CSO)

    Severn Trent Water

    30spills
  4. 4
    Lydney - Tutnalls St/Hams Rd (CSO)

    Severn Trent Water

    20spills
  5. 5
    Cannop Road (Nr Forest Of Dean)

    Dŵr Cymru Welsh Water

    7spills

Spills over time

The median outlet on Cannop Bk - source to R Severn Estuary recorded 20 spills in 2025, against 11 across England.

6 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 1 the same. Together they went from 277 to 155 spills, a fall of 44%.

YearOutlets with a countTotal spillsMedian per outletEngland median
202571622011
2024834932.519
202321628120
20222743713
202121628119
202010018

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 Cannop Bk - source to R Severn Estuary

8 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: GB109054032640. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Cannop Bk - source to R Severn Estuary

Which outlets are linked to Cannop Bk - source to R Severn Estuary?
The source links 8 outlet records to waterbody GB109054032640. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Cannop Bk - source to R Severn Estuary?
7 records report 162 spills in 2025 and 1,321 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 Cannop Bk - source to R Severn Estuary?
2 companies operate listed outlets: Severn Trent Water, Dŵr Cymru Welsh Water. Each outlet page names its operator and permit reference.
Which outlets on Cannop Bk - source to R Severn Estuary are linked to a live feed?
6 of the 8 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 Cannop Bk - source to R Severn Estuary?
Every record with a monitor operation figure shows 90% or more for 2025. 1 records have no operation figure.
Does this show if Cannop Bk - source to R Severn Estuary is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.