Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852)
Storm overflow operated by Northumbrian Water. The source names River Derwent as the receiving water.
- 76
- Spills in 2025
- 368.4
- Recorded hours
- 99.7%
- Monitor operation
- 2
- Years listed
Checking the latest monitor report…
How it compares in 2025
Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852) recorded 76 spills in 2025. That is more than 95% of the 14,239 overflows in England with a reported figure, and ranks 598th nationally. Among Northumbrian Water overflows it ranks 35th of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Tyne waterbody it ranks 7th of 177.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 76 | 368.4 |
| England | 598th of 14,239 | 11 | 22.3 |
| Northumbrian Water | 35th of 1,559 | 11 | 15.6 |
| Tyne | 7th of 177 | 14 | 11.2 |
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 | 76 | 368.4 hours | 99.7% | Official data |
| 2024 | 66 | 471.7 hours | 76.7%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 overflow on the sewer network
- Permit
- 234/0934
- Activity reference
- A1
- Grid reference
- NZ2042062947
- Waterbody ID
- GB510302310200Official 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 east of the Blaydon reference point in the ONS built-up areas data.
Area and water pages
- Gateshead area →
- Kibblesworth area →
- Springwell area →
- Birtley area →
- Urpeth area →
- Whickham area →
- Sunniside area →
- Burnopfield area →
- Beamish area →
- Hobson area →
- Tanfield Lea area →
- Longbenton area →
- Tantobie area →
- Newcastle upon Tyne area →
- Blaydon area →
- Rowlands Gill area →
- Hamsterley Mill area →
- High Spen area →
- Newburn area →
- Walbottle area →
- Ryton area →
- Chopwell area →
- Dipton area →
- Tyne 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
- Riversideway CSOCurrent status unknown
Northumbrian Water · River Derwent
- Junction Of Hexham Rd &Current status unknown
Northumbrian Water · Derwent (Saline Estuary)
- Scotswood Road Pumping Station No 2Current status unknown
Northumbrian Water · River Tyne
- Derwenthaugh Road CSOCurrent status unknown
Northumbrian Water · River Derwent (Tidal)
Questions about Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852)
- Who operates Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852)?
- Northumbrian Water is the operator named in the annual record. The permit reference is 234/0934.
- Where does Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852) discharge?
- The source names River Derwent as the receiving water. This does not show how far a discharge travelled.
- How many times did Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852) spill in 2025?
- The 2025 return records 76 counted spill events and 368.4 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 99.7% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852) 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 Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852)?
- 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 Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852) compare with other overflows?
- Market Lane CSO, Northumbrian Water (234/0934 · A1 · NWL00852) recorded 76 spills in 2025. That is more than 95% of the 14,239 overflows in England with a reported figure, and ranks 598th nationally. Among Northumbrian Water overflows it ranks 35th of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Tyne waterbody it ranks 7th of 177. 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.