Sewage Map

Colne sewage map and spill data

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

21
Outlet records
179
Spills in 2025
217
Recorded hours
21
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 Colne

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 21 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
    Colchester-Bourne Mill Ov

    Anglian Water

    21spills
  2. 2
    Brightlingsea Overflow Lower Park Road

    Anglian Water

    20spills
  3. 2
    Colchester Water Recycling Centre

    Anglian Water

    20spills
  4. 4
    Brightlingsea Overflow (Bellfld 35)

    Anglian Water

    16spills
  5. 5
    Brightlingsea - Spring Road Combined Sewer Overflow

    Anglian Water

    15spills

Spills over time

The median outlet on Colne recorded 8 spills in 2025, against 11 across England.

21 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 4 recorded more spills, 13 fewer and 4 the same. Together they went from 365 to 179 spills, a fall of 51%.

Largest rises from 2024 to 2025

YearOutlets with a countTotal spillsMedian per outletEngland median
202521179811
2024213651619
20231624513.520
2022141054.513
202113376719

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 Colne

21 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: GB520503713800. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Colne

Which outlets are linked to Colne?
The source links 21 outlet records to waterbody GB520503713800. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Colne?
21 records report 179 spills in 2025 and 217 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 Colne?
Anglian Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
Which outlets on Colne are linked to a live feed?
21 of the 21 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 Colne?
Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Colne is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.