Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299)
Storm overflow operated by Northumbrian Water. The source names River Tees as the receiving water.
- 22
- Spills in 2025
- 143
- Recorded hours
- 99.9%
- Monitor operation
- 2
- Years listed
The reported spill count was 34 lower than in 2024. This compares event counts, not discharge volume.
Checking the latest monitor report…
How it compares in 2025
Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299) recorded 22 spills in 2025. That is more than 65% of the 14,239 overflows in England with a reported figure, and ranks 4,697th nationally. Among Northumbrian Water overflows it ranks 481st of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Tees from Skerne to Tidal Limit waterbody it ranks 12th of 34.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 22 | 143 |
| England | 4,697th of 14,239 | 11 | 22.3 |
| Northumbrian Water | 481st of 1,559 | 11 | 15.6 |
| Tees from Skerne to Tidal Limit | 12th of 34 | 14 | 36.3 |
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 | 22 | 143 hours | 99.9% | Official data |
| 2024 | 56 | 516 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
- Northumbrian Water
- Outlet type
- Storm discharge at a pumping station
- Permit
- 25/04/1679
- Activity reference
- A1
- Grid reference
- NZ4292512583
- Waterbody ID
- GB103025072595Official 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 discharge at pumping station”: storm discharge at a pumping station. The overflow is at a pumping station that moves sewage through the 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 0.9 km north-east of the Yarm 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.
Open official source ↗Other outlet records nearby
- Clockwood Sewage Pumping StationCurrent status unknown
Northumbrian Water · River Tees
- Atlas Wynd Sewage Pumping StationCurrent status unknown
Northumbrian Water · River Tees
- Egglescliffe Bank CSOCurrent status unknown
Northumbrian Water · Tees Estuary
- Worsall Road SPSCurrent status unknown
Northumbrian Water · Skytering Beck (R.TEES Catch)
Questions about Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299)
- Who operates Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299)?
- Northumbrian Water is the operator named in the annual record. The permit reference is 25/04/1679.
- Where does Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299) discharge?
- The source names River Tees as the receiving water. This does not show how far a discharge travelled.
- How many times did Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299) spill in 2025?
- The 2025 return records 22 counted spill events and 143 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 99.9% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299) 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 Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299)?
- The annual return lists the asset type as “Storm discharge at pumping station”, which means storm discharge at a pumping station. The overflow is at a pumping station that moves sewage through the network.
- How does Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299) compare with other overflows?
- Clockwood Sewage Pumping Station, Northumbrian Water (25/04/1679 · A1 · NWL00299) recorded 22 spills in 2025. That is more than 65% of the 14,239 overflows in England with a reported figure, and ranks 4,697th nationally. Among Northumbrian Water overflows it ranks 481st of 1,559; the median Northumbrian Water overflow recorded 11 spills. On the Tees from Skerne to Tidal Limit waterbody it ranks 12th of 34. 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.