Derwent - conf Cocker to tidal sewage map and spill data
14 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.
- 14
- Outlet records
- 984
- Spills in 2025
- 8,166
- Recorded hours
- 13
- Linked to a live feed
1 records show monitor operation below 90%. Annual figures describe the whole of 2025, not today.
Outlets on Derwent - conf Cocker to tidal
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 14 outlets
Open full map- Belle Vue (Cockermouth) PSCurrent status unknown
United Utilities · River Derwent
2025 annual record:39spills121.5hours - Brigham Pumping StationCurrent status unknown
United Utilities · Stony Beck
2025 annual record:35spills87.3hours - Camerton Ww PSCurrent status unknown
United Utilities · River Derwent
2025 annual record:3spills5.9hours - CAMERTON WwTWCurrent status unknown
United Utilities · River Derwent
2025 annual record:0spills0hours - COCKERMOUTH WwTWCurrent status unknown
United Utilities · River Derwent
2025 annual record:133spills2,354.1hours - Fitz Bridge (Low Road) CSOCurrent status unknown
United Utilities · River Derwent
2025 annual record:106spills1,177.7hours - GREAT BROUGHTON WwTWCurrent status unknown
United Utilities · River Derwent
2025 annual record:161spills1,427.4hours - GREAT BROUGHTON WwTWCurrent status unknown
United Utilities · River Derwent
2025 annual record:85spills416.6hours - Great CliftonCurrent status unknown
United Utilities · River Derwent
2025 annual record:16spills162.2hours - GREYSOUTHEN WwTWCurrent status unknown
United Utilities · Tributary River Derwent
2025 annual record:97spills563.5hours
No outlets match these filters.
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.
- 1GREAT BROUGHTON WwTW161spills
United Utilities
- 2COCKERMOUTH WwTW133spills
United Utilities
- 3Fitz Bridge (Low Road) CSO106spills
United Utilities
- 4Northside Sewerage System100spills
United Utilities
- 5GREYSOUTHEN WwTW97spills
United Utilities
Spills over time
The median outlet on Derwent - conf Cocker to tidal recorded 79.5 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. 6 recorded more spills, 4 fewer and 2 the same. Together they went from 973 to 965 spills, a fall of 1%.
Largest rises from 2024 to 2025
- Northside Sewerage System80 → 100
- The Burroughs CSO41 → 50
- Fitz Bridge (Low Road) CSO99 → 106
| Year | Outlets with a count | Total spills | Median per outlet | England median |
|---|---|---|---|---|
| 2025 | 14 | 984 | 79.5 | 11 |
| 2024 | 14 | 1,149 | 79 | 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 Derwent - conf Cocker to tidal
14 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- Belle Vue (Cockermouth) PSRiver Derwent · 39 spills in 2025
- Brigham Pumping StationStony Beck · 35 spills in 2025
- Camerton Ww PSRiver Derwent · 3 spills in 2025
- CAMERTON WwTWRiver Derwent · 0 spills in 2025
- COCKERMOUTH WwTWRiver Derwent · 133 spills in 2025
- Fitz Bridge (Low Road) CSORiver Derwent · 106 spills in 2025
- GREAT BROUGHTON WwTWRiver Derwent · 161 spills in 2025
- GREAT BROUGHTON WwTWRiver Derwent · 85 spills in 2025
- Great CliftonRiver Derwent · 16 spills in 2025
- GREYSOUTHEN WwTWTributary River Derwent · 97 spills in 2025
- High Street (Workington) Combined Sewer Overflow (Site ID 02633) (ALL0006)Stan Beck · 74 spills in 2025
- Northside Sewerage SystemRiver Derwent · 100 spills in 2025
- Papcastle Pumping StationRiver Derwent · 85 spills in 2025
- The Burroughs CSORiver Derwent · 50 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: GB112075070520. The official waterbody record is a source lookup; its classification is not imported here.
Questions about Derwent - conf Cocker to tidal
- Which outlets are linked to Derwent - conf Cocker to tidal?
- The source links 14 outlet records to waterbody GB112075070520. The link comes from the annual return; it does not model where a discharge travelled.
- How many spills were recorded for Derwent - conf Cocker to tidal?
- 14 records report 984 spills in 2025 and 8,166 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 Derwent - conf Cocker to tidal?
- 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 Derwent - conf Cocker to tidal are linked to a live feed?
- 13 of the 14 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 Derwent - conf Cocker to tidal?
- 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 Derwent - conf Cocker to tidal is safe?
- No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.