Dalston Sewage PS, CSO
Storm overflow operated by United Utilities. The source names Fairy Beck Culvert as the receiving water.
- 20
- Spills in 2025
- 32.9
- Recorded hours
- 99.9%
- Monitor operation
- 2
- Years listed
The reported spill count was 8 higher 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
Dalston Sewage PS, CSO recorded 20 spills in 2025. That is more than 63% of the 14,239 overflows in England with a reported figure, and ranks 5,045th nationally. Among United Utilities overflows it ranks 1,007th of 2,270; the median United Utilities overflow recorded 15 spills. On the Caldew d/s Caldbeck waterbody it ranks 4th of 10.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 20 | 32.9 |
| England | 5,045th of 14,239 | 11 | 22.3 |
| United Utilities | 1,007th of 2,270 | 15 | 29.1 |
| Caldew d/s Caldbeck | 4th of 10 | 7.5 | 7.5 |
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 | 20 | 32.9 hours | 99.9% | Official data |
| 2024 | 12 | 102.8 hours | 99.9% | 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
- Storm discharge at a pumping station
- Permit
- 017680322
- Activity reference
- A1
- Grid reference
- NY3716250318
- Waterbody ID
- GB102076073880Official 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 “Storm discharge at pumping station”: storm discharge at a pumping station. The overflow is at a pumping station that moves sewage through the network.
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 0.4 km east of the Dalston 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
- DALSTON WwTWCurrent status unknown
United Utilities · River Caldew
- Rear of Pirelli Factory CSOCurrent status unknown
United Utilities · River Caldew
- Stonegarth CSOCurrent status unknown
United Utilities · Dow Beck Culvert
- Bousteads Grassing CSOCurrent status unknown
United Utilities · River Caldew
Questions about Dalston Sewage PS, CSO
- Who operates Dalston Sewage PS, CSO?
- United Utilities is the operator named in the annual record. The permit reference is 017680322.
- Where does Dalston Sewage PS, CSO discharge?
- The source names Fairy Beck Culvert as the receiving water. This does not show how far a discharge travelled.
- How many times did Dalston Sewage PS, CSO spill in 2025?
- The 2025 return records 20 counted spill events and 32.9 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 99.9% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is Dalston Sewage PS, CSO 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 Dalston Sewage PS, CSO?
- The annual return lists the asset type as “Storm discharge at pumping station”, which means storm discharge at a pumping station. The overflow is at a pumping station that moves sewage through the network.
- How does Dalston Sewage PS, CSO compare with other overflows?
- Dalston Sewage PS, CSO recorded 20 spills in 2025. That is more than 63% of the 14,239 overflows in England with a reported figure, and ranks 5,045th nationally. Among United Utilities overflows it ranks 1,007th of 2,270; the median United Utilities overflow recorded 15 spills. On the Caldew d/s Caldbeck waterbody it ranks 4th of 10. 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.