Sewage Map

Derwent from Amber to Bottle Brook sewage map and spill data

33 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.

33
Outlet records
475
Spills in 2025
1,846
Recorded hours
32
Linked to a live feed

1 records show monitor operation below 90%. Annual figures describe the whole of 2025, not today.

Official waterbody record ↗How spills are countedSearch the national map

Outlets on Derwent from Amber to Bottle Brook

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 33 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
    Duffield STW (SSTO)

    Severn Trent Water

    57spills
  2. 2
    Belper - Bridge Hill/Belper Lane (CSO)

    Severn Trent Water

    46spills
  3. 3
    Belper STW (SSTO)

    Severn Trent Water

    44spills
  4. 4
    Belper - Bridge Street 122/130 (CSO)

    Severn Trent Water

    35spills
  5. 5
    Belper - Babbington Hospital (SSO)

    Severn Trent Water

    32spills

Spills over time

The median outlet on Derwent from Amber to Bottle Brook recorded 8 spills in 2025, against 11 across England.

30 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 4 recorded more spills, 19 fewer and 7 the same. Together they went from 691 to 411 spills, a fall of 41%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
202533475811
2024337671119
202352101820
202261318.513
202161762719
202054873418

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 Derwent from Amber to Bottle Brook

33 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: GB104028052310. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Derwent from Amber to Bottle Brook

Which outlets are linked to Derwent from Amber to Bottle Brook?
The source links 33 outlet records to waterbody GB104028052310. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Derwent from Amber to Bottle Brook?
33 records report 475 spills in 2025 and 1,846 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 Derwent from Amber to Bottle Brook?
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 Derwent from Amber to Bottle Brook are linked to a live feed?
32 of the 33 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 Derwent from Amber to Bottle Brook?
1 of the listed records have monitor operation below 90% for 2025. Events can be missed when a monitor is not working, so low counts from those outlets may understate activity.
Does this show if Derwent from Amber to Bottle Brook is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.