Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448)
Storm overflow operated by Northumbrian Water. The source names Dipton Burn as the receiving water.
- 52
- Spills in 2025
- 90.3
- Recorded hours
- 98.5%
- Monitor operation
- 2
- Years listed
The reported spill count was 15 lower than in 2024. This compares event counts, not discharge volume.
Checking the latest monitor report…
How it compares in 2025
Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448) recorded 52 spills in 2025. That is more than 88% of the 14,239 overflows in England with a reported figure, and ranks 1,512th nationally. Among Northumbrian Water overflows it ranks 104th of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Pont Burn Catchment (trib of Derwent) waterbody it ranks 1st of 7.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 52 | 90.3 |
| England | 1,512th of 14,239 | 11 | 22.3 |
| Northumbrian Water | 104th of 1,559 | 11 | 15.6 |
| Pont Burn Catchment (trib of Derwent) | 1st of 7 | 12 | 42.8 |
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 | 52 | 90.3 hours | 98.5% | Official data |
| 2024 | 67 | 257.5 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
- Northumbrian Water
- Outlet type
- Inlet storm overflow at a wastewater treatment works
- Permit
- 234/D/0005
- Activity reference
- 1
- Grid reference
- NZ1579054340
- Waterbody ID
- GB103023074780Official 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 0.3 km north-west of the Dipton reference point in the ONS built-up areas data.
Area and water pages
- Kibblesworth area →
- Urpeth area →
- Whickham area →
- Sunniside area →
- Pelton and Ouston area →
- Burnopfield area →
- Beamish area →
- Whitehill (County Durham) area →
- Hobson area →
- Tanfield Lea area →
- Tantobie area →
- Blaydon area →
- Rowlands Gill area →
- Newfield area →
- West Pelton area →
- Craghead area →
- Hamsterley Mill area →
- High Spen area →
- Stanley (County Durham) area →
- Ryton area →
- Chopwell area →
- Dipton area →
- Annfield Plain area →
- Blackhall Mill area →
- Pont Burn Catchment (trib of Derwent) 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
- Dipton STWCurrent status unknown
Northumbrian Water · Dipton Burn
- White-Le-Head Allotments SSOCurrent status unknown
Northumbrian Water · Kyo Burn Tributary
- Annfield Plain & Stanley CSO 8Current status unknown
Northumbrian Water · Carrmyers Burn
- Tanfield Trunk Sewer CSOCurrent status unknown
Northumbrian Water · Kyo Burn (River Team)
Questions about Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448)
- Who operates Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448)?
- Northumbrian Water is the operator named in the annual record. The permit reference is 234/D/0005.
- Where does Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448) discharge?
- The source names Dipton Burn as the receiving water. This does not show how far a discharge travelled.
- How many times did Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448) spill in 2025?
- The 2025 return records 52 counted spill events and 90.3 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 98.5% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448) 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 Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448)?
- 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 Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448) compare with other overflows?
- Dipton STW, Northumbrian Water (234/D/0005 · 1 · NWL00448) recorded 52 spills in 2025. That is more than 88% of the 14,239 overflows in England with a reported figure, and ranks 1,512th nationally. Among Northumbrian Water overflows it ranks 104th of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Pont Burn Catchment (trib of Derwent) waterbody it ranks 1st of 7. 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.