Ant (Dilham to R. Bure) sewage map and spill data

3 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.

3
Outlet records: 18
Spills in 2025: 214
Recorded hours: 3
Linked to a live feed

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

Official waterbody record ↗How spills are counted Search the national map

Outlets on Ant (Dilham to R. Bure)

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 3 of 3 outlets

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Horning-Knackers Wood STW
Anglian Water · The River Ant
Current status unknown
2025 annual record:13spills204hours

Stalham STW
Anglian Water · The River Ant & Tributary
Current status unknown
2025 annual record:2spills7.2hours
Stalham-Mill Road Tps
Anglian Water · Stalham Dyke
Current status unknown
2025 annual record:3spills2.8hours

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
Horning-Knackers Wood STW
Anglian Water
13spills
2
Stalham-Mill Road Tps
Anglian Water · monitor coverage 47.6%, below 90%
3spills
3
Stalham STW
Anglian Water · monitor coverage 86.3%, below 90%
2spills

Spills over time

The median outlet on Ant (Dilham to R. Bure) recorded 3 spills in 2025, against 11 across England.

1 outlet has a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 1 fewer and 0 the same. Together it went from 203 to 13 spills, a fall of 94%.

Year	Outlets with a count	Total spills	Median per outlet	England median
2025	3	18	3	11
2024	3	242	34	19
2023	3	118	20	20
2022	3	147	21	13
2021	2	176	88	19

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 Ant (Dilham to R. Bure)

3 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.

Horning-Knackers Wood STWThe River Ant · 13 spills in 2025
Stalham STWThe River Ant & Tributary · 2 spills in 2025
Stalham-Mill Road TpsStalham Dyke · 3 spills in 2025

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: GB105034051330. The official waterbody record is a source lookup; its classification is not imported here.

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Questions about Ant (Dilham to R. Bure)

Which outlets are linked to Ant (Dilham to R. Bure)?: The source links 3 outlet records to waterbody GB105034051330. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Ant (Dilham to R. Bure)?: 3 records report 18 spills in 2025 and 214 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 Ant (Dilham to R. Bure)?: 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 Ant (Dilham to R. Bure) are linked to a live feed?: 3 of the 3 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 Ant (Dilham to R. Bure)?: 2 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 Ant (Dilham to R. Bure) is safe?: No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.