Semington Bk-Milebourne Str to conf R Avon (Brist) sewage map and spill data

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

3
Outlet records: 19
Spills in 2025: 232
Recorded hours: 3
Linked to a live feed

Annual figures describe the whole of 2025, not today.

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

Outlets on Semington Bk-Milebourne Str to conf R Avon (Brist)

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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Great Hinton
Wessex Water · Tributary of Semington Brook
Current status unknown
2025 annual record:6spills48.1hours

Seend Bell Inn / Bell Hill
Wessex Water · Summerham Brook(S)
Current status unknown
2025 annual record:0spills0hours
Semington Semington Brook
Wessex Water · Semington Brook (S)
Current status unknown
2025 annual record:13spills183.6hours

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
Semington Semington Brook
Wessex Water
13spills
2
Great Hinton
Wessex Water
6spills
3
Seend Bell Inn / Bell Hill
Wessex Water
0spills

Spills over time

The median outlet on Semington Bk-Milebourne Str to conf R Avon (Brist) recorded 6 spills in 2025, against 11 across England.

3 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 2 fewer and 1 the same. Together they went from 61 to 19 spills, a fall of 69%.

Year	Outlets with a count	Total spills	Median per outlet	England median
2025	3	19	6	11
2024	3	61	26	19
2023	3	36	13	20
2022	3	21	3	13

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 Semington Bk-Milebourne Str to conf R Avon (Brist)

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

Great HintonTributary of Semington Brook · 6 spills in 2025
Seend Bell Inn / Bell HillSummerham Brook(S) · 0 spills in 2025
Semington Semington BrookSemington Brook (S) · 13 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: GB109053022200. The official waterbody record is a source lookup; its classification is not imported here.

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Questions about Semington Bk-Milebourne Str to conf R Avon (Brist)

Which outlets are linked to Semington Bk-Milebourne Str to conf R Avon (Brist)?: The source links 3 outlet records to waterbody GB109053022200. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Semington Bk-Milebourne Str to conf R Avon (Brist)?: 3 records report 19 spills in 2025 and 232 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 Semington Bk-Milebourne Str to conf R Avon (Brist)?: Wessex Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
Which outlets on Semington Bk-Milebourne Str to conf R Avon (Brist) 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 Semington Bk-Milebourne Str to conf R Avon (Brist)?: Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Semington Bk-Milebourne Str to conf R Avon (Brist) is safe?: No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.