Sewage Map

Dale Farm/No 2 CSO

Storm overflow operated by Yorkshire Water. The source names Ringshaw Beck as the receiving water.

59
Spills in 2025
197
Recorded hours
97.4%
Monitor operation
6
Years listed

The reported spill count was 23 lower than in 2024. This compares event counts, not discharge volume.

Current status unknown

Checking the latest monitor report…

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How it compares in 2025

Dale Farm/No 2 CSO recorded 59 spills in 2025. That is more than 91% of the 14,239 overflows in England with a reported figure, and ranks 1,145th nationally. Among Yorkshire Water overflows it ranks 207th of 2,176; the median Yorkshire Water overflow recorded 16 spills. On the Low/Wortley/Pudsey Bks from Source to Milshaw Beck waterbody it ranks 2nd of 22.

GroupRank by spillsMedian spillsMedian hours
This outlet–59197
England1,145th of 14,2391122.3
Yorkshire Water207th of 2,1761637.8
Low/Wortley/Pudsey Bks from Source to Milshaw Beck2nd of 2215.518.1

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

872020792021792022862023822024592025
From 2020 to 2025, the reported count went from 87 to 59 spills. The highest count was 87 in 2020 and the lowest was 59 in 2025.
YearSpillsDurationMonitor operationSource
202559197 hours97.4%Official data
202482258.7 hours97.1%Official data
202386319.3 hours94.1%Official data
202279218 hours100%Official data
202179306 hours99.9%Official data
202087283.2 hours94.9%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
Yorkshire Water
Outlet type
Storm overflow on the sewer network
Permit
WRA7971
Activity reference
A1
Grid reference
SE2299630114
Waterbody ID
GB104027062830Official 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 1.4 km north of the Drighlington 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.

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Other outlet records nearby

Questions about Dale Farm/No 2 CSO

Who operates Dale Farm/No 2 CSO?
Yorkshire Water is the operator named in the annual record. The permit reference is WRA7971.
Where does Dale Farm/No 2 CSO discharge?
The source names Ringshaw Beck as the receiving water. This does not show how far a discharge travelled.
How many times did Dale Farm/No 2 CSO spill in 2025?
The 2025 return records 59 counted spill events and 197 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 97.4% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Dale Farm/No 2 CSO discharging right now?
This record is linked to a company live feed. The panel above shows the latest report we hold, with its date. That report can be old, and the monitor can be offline, so check the date before relying on it. A report that no discharge is taking place is not a water-quality result.
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 Dale Farm/No 2 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 Dale Farm/No 2 CSO compare with other overflows?
Dale Farm/No 2 CSO recorded 59 spills in 2025. That is more than 91% of the 14,239 overflows in England with a reported figure, and ranks 1,145th nationally. Among Yorkshire Water overflows it ranks 207th of 2,176; the median Yorkshire Water overflow recorded 16 spills. On the Low/Wortley/Pudsey Bks from Source to Milshaw Beck waterbody it ranks 2nd of 22. 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.