Plawsworth Sewage Treatment Works
Storm overflow operated by Northumbrian Water. The source names Black Dene Burn as the receiving water.
- 34
- Spills in 2025
- 183.7
- Recorded hours
- 97.9%
- Monitor operation
- 5
- Years listed
The reported spill count was 42 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
Plawsworth Sewage Treatment Works recorded 34 spills in 2025. That is more than 78% of the 14,239 overflows in England with a reported figure, and ranks 3,010th nationally. Among Northumbrian Water overflows it ranks 282nd of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Blackdene Burn to confluence with Wear waterbody it ranks 3rd of 6.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 34 | 183.7 |
| England | 3,010th of 14,239 | 11 | 22.3 |
| Northumbrian Water | 282nd of 1,559 | 11 | 15.6 |
| Blackdene Burn to confluence with Wear | 3rd of 6 | 25 | 42.6 |
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 | 34 | 183.7 hours | 97.9% | Official data |
| 2024 | 76 | 800.8 hours | 99% | Official data |
| 2023 | 105 | 1,377 hours | 99.3% | Official data |
| 2022 | Unknown | Unknown | 0%Low coverage | Official data |
| 2021 | Unknown | Unknown | 0%Low coverage | 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
- Storm tank at a wastewater treatment works
- Permit
- 245/A/0712
- Activity reference
- A2
- Grid reference
- NZ2646647468
- Waterbody ID
- GB103024077622Official 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 tank at WwTW”: storm tank at a wastewater treatment works. The overflow comes from storm storage at a treatment 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 0.5 km east of the Nettlesworth and Kimblesworth reference point in the ONS built-up areas data.
Area and water pages
- Kibblesworth area →
- Birtley area →
- Urpeth area →
- Pelton and Ouston area →
- Beamish area →
- Whitehill (County Durham) area →
- Sacriston area →
- Nettlesworth and Kimblesworth area →
- Chester-le-Street area →
- Durham area →
- Newfield area →
- Great Lumley area →
- West Pelton area →
- Fence Houses area →
- Houghton-le-Spring area →
- High Pittington area →
- Penshaw area →
- Witton Gilbert area →
- Craghead area →
- East Rainton area →
- Ushaw Moor and Bearpark area →
- Sherburn (County Durham) area →
- West Rainton area →
- Bournmoor area →
- Stanley (County Durham) area →
- Shiney Row and Penshaw area →
- Brandon (County Durham) area →
- Langley Park area →
- Hetton le Hill area →
- Sherburn Hill area →
- Hetton-le-Hole area →
- High Shincliffe area →
- Easington Lane area →
- New Brancepeth area →
- Blackdene Burn to confluence with Wear 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
- Kimblesworth CSOCurrent status unknown
Northumbrian Water · Blackdene Burn
- Plawsworth CSO Mh1Current status unknown
Northumbrian Water · Black Dene Burn
- Plawsworth Gate Combined Sewer OverflowCurrent status unknown
Northumbrian Water · Blackdene Burn
- Pity Me Roundabout CSOCurrent status unknown
Northumbrian Water · Pity Me Beck
Questions about Plawsworth Sewage Treatment Works
- Who operates Plawsworth Sewage Treatment Works?
- Northumbrian Water is the operator named in the annual record. The permit reference is 245/A/0712.
- Where does Plawsworth Sewage Treatment Works discharge?
- The source names Black Dene Burn as the receiving water. This does not show how far a discharge travelled.
- How many times did Plawsworth Sewage Treatment Works spill in 2025?
- The 2025 return records 34 counted spill events and 183.7 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 97.9% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is Plawsworth Sewage Treatment Works 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 Plawsworth Sewage Treatment Works?
- The annual return lists the asset type as “Storm tank at WwTW”, which means storm tank at a wastewater treatment works. The overflow comes from storm storage at a treatment works.
- How does Plawsworth Sewage Treatment Works compare with other overflows?
- Plawsworth Sewage Treatment Works recorded 34 spills in 2025. That is more than 78% of the 14,239 overflows in England with a reported figure, and ranks 3,010th nationally. Among Northumbrian Water overflows it ranks 282nd of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Blackdene Burn to confluence with Wear waterbody it ranks 3rd of 6. 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.