Waver sewage map and spill data

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

7
Outlet records: 351
Spills in 2025: 3,377
Recorded hours: 7
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 counted Search the national map

Outlets on Waver

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 7 of 7 outlets

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Abbeytown Pumping Station (Site ID ABETW) (ALL0104)
United Utilities · Stank Beck
Current status unknown
2025 annual record:31spills268.2hours

Blencogo WwPS
United Utilities · Tributary River Waver
Current status unknown
2025 annual record:19spills61.4hours
Bolton Low Houses CSO
United Utilities · River Waver
Current status unknown
2025 annual record:0spills0hours
BOLTON LOW HOUSES WwTW
United Utilities · River Waver
Current status unknown
2025 annual record:135spills1,379.4hours
Opp West View CSO
United Utilities · Stank Beck
Current status unknown
2025 annual record:16spills48.1hours
Oulton WwTW
United Utilities · Colmire Sough
Current status unknown
2025 annual record:66spills306hours
Waverton PS
United Utilities · River Waver
Current status unknown
2025 annual record:84spills1,313.6hours

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
BOLTON LOW HOUSES WwTW
United Utilities
135spills
2
Waverton PS
United Utilities
84spills
3
Oulton WwTW
United Utilities · monitor coverage 82%, below 90%
66spills
4
Abbeytown Pumping Station (Site ID ABETW) (ALL0104)
United Utilities
31spills
5
Blencogo WwPS
United Utilities
19spills

Spills over time

The median outlet on Waver recorded 31 spills in 2025, against 11 across England.

6 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 2 recorded more spills, 3 fewer and 1 the same. Together they went from 305 to 285 spills, a fall of 7%.

Largest rises from 2024 to 2025

Opp West View CSO12 → 16
Blencogo WwPS17 → 19

Year	Outlets with a count	Total spills	Median per outlet	England median
2025	7	351	31	11
2024	7	360	33	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 Waver

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

Abbeytown Pumping Station (Site ID ABETW) (ALL0104)Stank Beck · 31 spills in 2025
Blencogo WwPSTributary River Waver · 19 spills in 2025
Bolton Low Houses CSORiver Waver · 0 spills in 2025
BOLTON LOW HOUSES WwTWRiver Waver · 135 spills in 2025
Opp West View CSOStank Beck · 16 spills in 2025
Oulton WwTWColmire Sough · 66 spills in 2025
Waverton PSRiver Waver · 84 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: GB102075073440. The official waterbody record is a source lookup; its classification is not imported here.

All sources How the data works Report pollution

Questions about Waver

Which outlets are linked to Waver?: The source links 7 outlet records to waterbody GB102075073440. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Waver?: 7 records report 351 spills in 2025 and 3,377 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 Waver?: United Utilities operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
Which outlets on Waver are linked to a live feed?: 7 of the 7 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 Waver?: 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 Waver is safe?: No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.