Sewage Map

Blackwater (Combined Essex) sewage map and spill data

13 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.

13
Outlet records
47
Spills in 2025
301
Recorded hours
13
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 Blackwater (Combined Essex)

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 13 outlets

Open full map
  • Bocking STW

    Anglian Water · River Blackwater NT

    Current status unknown
    2025 annual record:8spills127.8hours
  • Bocking-Bradford Brg (New) Tps

    Anglian Water · Trib River Blackwater

    Current status unknown
    2025 annual record:0spills0hours
  • Bocking-Church Street SSO

    Anglian Water · River Pant

    Current status unknown
    2025 annual record:0spills0hours
  • Coggeshall STW

    Anglian Water · The River Blackwater NT

    Current status unknown
    2025 annual record:2spills1.2hours
  • Coggeshall-East St R O #18 Ov

    Anglian Water · Trib River Blackwater

    Current status unknown
    2025 annual record:0spills0hours
  • Coggeshall-East St So

    Anglian Water · Trib of the River Blackwater

    Current status unknown
    2025 annual record:4spills12.5hours
  • Kelvedon-Easterford Rd So

    Anglian Water · Blackwater (Combined Essex)

    Current status unknown
    2025 annual record:1spill0.3hours
  • Kelvedon-Greys Mill So

    Anglian Water · River Blackwater

    Current status unknown
    2025 annual record:11spills8.5hours
  • Kelvedon-Station Rd So

    Anglian Water · Blackwater (Combined Essex)

    Current status unknown
    2025 annual record:4spills1.3hours
  • Purleigh STW

    Anglian Water · Trib of Mundon Wash NT River

    Current status unknown
    2025 annual record:10spills79.5hours

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
    Kelvedon-Greys Mill So

    Anglian Water

    11spills
  2. 2
    Purleigh STW

    Anglian Water

    10spills
  3. 3
    Bocking STW

    Anglian Water

    8spills
  4. 4
    Coggeshall-East St So

    Anglian Water

    4spills
  5. 4
    Kelvedon-Station Rd So

    Anglian Water

    4spills

Spills over time

The median outlet on Blackwater (Combined Essex) recorded 3 spills in 2025, against 11 across England.

12 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 10 fewer and 2 the same. Together they went from 199 to 46 spills, a fall of 77%.

YearOutlets with a countTotal spillsMedian per outletEngland median
20251347311
202413203919
202312120020
2022762113
2021536119

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 Blackwater (Combined Essex)

13 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: GB105037041160. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Blackwater (Combined Essex)

Which outlets are linked to Blackwater (Combined Essex)?
The source links 13 outlet records to waterbody GB105037041160. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Blackwater (Combined Essex)?
13 records report 47 spills in 2025 and 301 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 Blackwater (Combined Essex)?
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 Blackwater (Combined Essex) are linked to a live feed?
13 of the 13 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 Blackwater (Combined Essex)?
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 Blackwater (Combined Essex) is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.