Preston Bk - source to conf R Wye sewage map and spill data

1 storm overflow listed in the 2025 annual return name this water. All are operated by Dŵr Cymru Welsh Water. Check the latest company report for each outlet below.

1
Outlet records: 21
Spills in 2025: 301
Recorded hours: 0
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 Preston Bk - source to conf R Wye

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.

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Moccas WwTW
Dŵr Cymru Welsh Water · Tributary of Preston Brook
Current status unknown
2025 annual record:21spills300.8hours

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
Moccas WwTW
Dŵr Cymru Welsh Water
21spills

Spills over time

The median outlet on Preston Bk - source to conf R Wye recorded 21 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 115 to 21 spills, a fall of 82%.

Year	Outlets with a count	Total spills	Median per outlet	England median
2025	1	21	21	11
2024	1	115	115	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 Preston Bk - source to conf R Wye

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

Moccas WwTWTributary of Preston Brook · 21 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: GB109055037000. The official waterbody record is a source lookup; its classification is not imported here.

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Questions about Preston Bk - source to conf R Wye

Which outlets are linked to Preston Bk - source to conf R Wye?: The source links 1 outlet record to waterbody GB109055037000. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Preston Bk - source to conf R Wye?: 1 record report 21 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 Preston Bk - source to conf R Wye?: Dŵr Cymru Welsh Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
Which outlets on Preston Bk - source to conf R Wye are linked to a live feed?: None of these records is matched to a company live feed, so only annual figures are available for this water.
How complete is the monitoring for Preston Bk - source to conf R Wye?: Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Preston Bk - source to conf R Wye is safe?: No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.