Helliwell Syke/No 3 CSO
Storm overflow operated by Yorkshire Water. The source names Helliwell Syke as the receiving water.
- 1
- Spills in 2025
- 2.3
- Recorded hours
- 100%
- Monitor operation
- 6
- Years listed
The reported spill count was 1 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
Helliwell Syke/No 3 CSO recorded 1 spill in 2025. That is more than 15% of the 14,239 overflows in England with a reported figure, and ranks 11,130th nationally. Among Yorkshire Water overflows it ranks 1,777th of 2,176; the median Yorkshire Water overflow recorded 16 spills. On the Clifton Beck from Source to River Calder waterbody it ranks 10th of 10.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 1 | 2.3 |
| England | 11,130th of 14,239 | 11 | 22.3 |
| Yorkshire Water | 1,777th of 2,176 | 16 | 37.8 |
| Clifton Beck from Source to River Calder | 10th of 10 | 29.5 | 51 |
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 | 1 | 2.3 hours | 100% | Official data |
| 2024 | 2 | 2.3 hours | 100% | Official data |
| 2023 | 0 | 0 hours | 100% | Official data |
| 2022 | 3 | 2.5 hours | 99.9% | Official data |
| 2021 | 2 | 5.8 hours | 99.8% | Official data |
| 2020 | 6 | 8.2 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
- Yorkshire Water
- Outlet type
- Storm overflow on the sewer network
- Permit
- WRA8430
- Activity reference
- 1
- Grid reference
- SE2359026060
- Waterbody ID
- GB104027062700Official 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 “SO on sewer network”: storm overflow on the sewer network. The return places this overflow on the sewer 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 1.3 km north of the Batley reference point in the ONS built-up areas data.
Area and water pages
- Drighlington area →
- Pudsey area →
- Gomersal and Birkenshaw area →
- Brighouse area →
- Scholes (near Cleckheaton) area →
- Gildersome area →
- Cleckheaton area →
- Oakenshaw area →
- Norwood Green area →
- Morley (Leeds) area →
- Kirkheaton area →
- Moor Top area →
- Liversedge area →
- Mirfield area →
- East Ardsley area →
- Heckmondwike area →
- Thorpe on the Hill (Leeds) area →
- Lofthouse and Robin Hood area →
- Batley area →
- Dewsbury area →
- Kirkhamgate area →
- Clifton Beck from Source to River Calder waterbody →
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
- Birstall/CSOCurrent status unknown
Yorkshire Water · Smithies Beck
- Timothy Lane/CSOCurrent status unknown
Yorkshire Water · Howley Beck
- Melton Street/CSOCurrent status unknown
Yorkshire Water · Carlinghow Beck
- Mayman Lane/CSOCurrent status unknown
Yorkshire Water · Tributary of Batley Carr
Questions about Helliwell Syke/No 3 CSO
- Who operates Helliwell Syke/No 3 CSO?
- Yorkshire Water is the operator named in the annual record. The permit reference is WRA8430.
- Where does Helliwell Syke/No 3 CSO discharge?
- The source names Helliwell Syke as the receiving water. This does not show how far a discharge travelled.
- How many times did Helliwell Syke/No 3 CSO spill in 2025?
- The 2025 return records 1 counted spill events and 2.3 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 Helliwell Syke/No 3 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 Helliwell Syke/No 3 CSO?
- The annual return lists the asset type as “SO on sewer network”, which means storm overflow on the sewer network. The return places this overflow on the sewer network.
- How does Helliwell Syke/No 3 CSO compare with other overflows?
- Helliwell Syke/No 3 CSO recorded 1 spill in 2025. That is more than 15% of the 14,239 overflows in England with a reported figure, and ranks 11,130th nationally. Among Yorkshire Water overflows it ranks 1,777th of 2,176; the median Yorkshire Water overflow recorded 16 spills. On the Clifton Beck from Source to River Calder waterbody it ranks 10th 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.