Sewage Map

Severn River and Trib Estuary sewage map and spill data

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

15
Outlet records
466
Spills in 2025
3,964
Recorded hours
15
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 Severn River and Trib 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 10 of 15 outlets

Open full map
  • Blakeney (STW)

    Severn Trent Water · River Severn

    Current status unknown
    2025 annual record:153spills1,579.4hours
  • Blakeney STW Stage 1 SPS (CSO)

    Severn Trent Water · River Severn

    Current status unknown
    2025 annual record:3spills11.4hours
  • Blakeney STW Stage 2 SPS (CSO)

    Severn Trent Water · River Severn

    Current status unknown
    2025 annual record:77spills451.7hours
  • Broadoak (CSO)

    Severn Trent Water · River Severn

    Current status unknown
    2025 annual record:13spills94.3hours
  • Broadoak STW (CSO)

    Severn Trent Water · River Severn

    Current status unknown
    2025 annual record:87spills1,127.4hours
  • Hempsted - Sudmeadow Road (SSO)

    Severn Trent Water · Burton Stather Drain

    Current status unknown
    2025 annual record:8spills8.2hours
  • Littledean STW (SSTO)

    Severn Trent Water · Tributary of Westbury Brook

    Current status unknown
    2025 annual record:0spills0hours
  • Maisemore - Gloucester Road (CSO)

    Severn Trent Water · Ullesthorpe Brook

    Current status unknown
    2025 annual record:0spills0hours
  • Netheridge STW (CSO)

    Severn Trent Water · River Severn

    Current status unknown
    2025 annual record:8spills29.9hours
  • Netheridge STW (SSTO)

    Severn Trent Water · River Severn

    Current status unknown
    2025 annual record:57spills392.4hours

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
    Blakeney (STW)

    Severn Trent Water

    153spills
  2. 2
    Broadoak STW (CSO)

    Severn Trent Water

    87spills
  3. 3
    Blakeney STW Stage 2 SPS (CSO)

    Severn Trent Water

    77spills
  4. 4
    Netheridge STW (SSTO)

    Severn Trent Water

    57spills
  5. 5
    Newnham - Lower High Street PS (CSO)

    Severn Trent Water

    26spills

Spills over time

The median outlet on Severn River and Trib Estuary recorded 10 spills in 2025, against 11 across England.

11 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 2 recorded more spills, 8 fewer and 1 the same. Together they went from 461 to 303 spills, a fall of 34%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
2025154661011
2024156801919
202363546020
202273574313
202153487319
2020624534.518

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 Severn River and Trib Estuary

15 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: GB530905415403. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Severn River and Trib Estuary

Which outlets are linked to Severn River and Trib Estuary?
The source links 15 outlet records to waterbody GB530905415403. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Severn River and Trib Estuary?
15 records report 466 spills in 2025 and 3,964 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 Severn River and Trib Estuary?
Severn Trent Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
Which outlets on Severn River and Trib Estuary are linked to a live feed?
15 of the 15 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 Severn River and Trib Estuary?
Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Severn River and Trib 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.