WORKINGTON WwTW
Storm overflow operated by United Utilities. The source names Irish Sea as the receiving water.
- 122
- Spills in 2025
- 643.9
- Recorded hours
- 100%
- Monitor operation
- 2
- Years listed
The reported spill count was 30 lower than in 2024. This compares event counts, not discharge volume.
We do not have a live report for this outlet. Its annual spill records are shown below.
How it compares in 2025
WORKINGTON WwTW recorded 122 spills in 2025. That is more than 99% of the 14,239 overflows in England with a reported figure, and ranks 113th nationally. Among United Utilities overflows it ranks 33rd of 2,270; the median United Utilities overflow recorded 15 spills. On the Solway Outer South waterbody it ranks 1st of 17.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 122 | 643.9 |
| England | 113th of 14,239 | 11 | 22.3 |
| United Utilities | 33rd of 2,270 | 15 | 29.1 |
| Solway Outer South | 1st of 17 | 25 | 40.2 |
Rank 1 has the most spills. Equal counts share a rank. Only overflows with a reported count are ranked. Counts do not measure volume, so a higher rank does not mean more sewage.
Annual spill history
| Year | Spills | Duration | Monitor operation | Source |
|---|---|---|---|---|
| 2025 | 122 | 643.9 hours | 100% | Official data |
| 2024 | 152 | 1,001.4 hours | 100% | Official data |
A missing figure means the source did not provide a usable value. A zero is shown as zero. Monitor operation below 90% can make comparison less reliable.
Outlet details
- Water company
- United Utilities
- Outlet type
- Inlet storm overflow at a wastewater treatment works
- Permit
- 017580285
- Activity reference
- A2
- Grid reference
- NX9732031880
- Waterbody ID
- GB641211630003Official waterbody record ↗
- Location source
- Official annual grid reference
- Location precision
- About 1 metres
- Location note
- Unknown
About the name and type
The annual return lists this asset as “Inlet SO at WwTW”: inlet storm overflow at a wastewater treatment works. The overflow is at the inlet of a treatment works, where wastewater enters the works.
The waterbody link opens the Environment Agency record for the exact ID in the return. It is a source lookup; we do not import its classification.
Where it is
The recorded position is about 3 km west of the Siddick reference point in the ONS built-up areas data.
Area and water pages
Check the official record
Public access to this outlet is unknown. Do not enter restricted land or use this page as a route guide.
Open official source ↗Other outlet records nearby
- John Pier Sewage Pumping Station CSOCurrent status unknown
United Utilities · River Derwent Estuary
- Lowca Lane(Hazel Grove) CSOCurrent status unknown
United Utilities · Ling Beck
- Northside Sewerage SystemCurrent status unknown
United Utilities · River Derwent
- High Street (Workington) Combined Sewer Overflow (Site ID 02633) (ALL0006)Current status unknown
United Utilities · Stan Beck
Questions about WORKINGTON WwTW
- Who operates WORKINGTON WwTW?
- United Utilities is the operator named in the annual record. The permit reference is 017580285.
- Where does WORKINGTON WwTW discharge?
- The source names Irish Sea as the receiving water. This does not show how far a discharge travelled.
- How many times did WORKINGTON WwTW spill in 2025?
- The 2025 return records 122 counted spill events and 643.9 hours of recorded discharge. Spills are counted with the 12/24-hour method, so this is not a count of every start signal.
- Can I trust the 2025 figures for this outlet?
- The monitor worked for 100% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is WORKINGTON WwTW discharging right now?
- This record is not matched to a company live feed, so we cannot show a current report. Only the annual figures are available for this outlet.
- How accurate is the map marker?
- The marker comes from the grid reference in the official annual return, which is accurate to about 1 metres. It shows the recorded outlet position, not the extent of any discharge.
- What kind of outlet is WORKINGTON WwTW?
- The annual return lists the asset type as “Inlet SO at WwTW”, which means inlet storm overflow at a wastewater treatment works. The overflow is at the inlet of a treatment works, where wastewater enters the works.
- How does WORKINGTON WwTW compare with other overflows?
- WORKINGTON WwTW recorded 122 spills in 2025. That is more than 99% of the 14,239 overflows in England with a reported figure, and ranks 113th nationally. Among United Utilities overflows it ranks 33rd of 2,270; the median United Utilities overflow recorded 15 spills. On the Solway Outer South waterbody it ranks 1st of 17. Ranks compare counted spill events only. They do not compare volume or harm.
- Does zero spills mean the water was safe?
- No. A zero means the annual return recorded zero counted spill events for this outlet and year. It is not a water-quality test, and pollution can come from other sources.