CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank
Storm overflow operated by Wessex Water. The source names River Avon via SWS as the receiving water.
- 2
- Spills in 2025
- 6.5
- Recorded hours
- 100%
- Monitor operation
- 1
- Years listed
We do not have a live report for this outlet. Its annual spill records are shown below.
How it compares in 2025
CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank recorded 2 spills in 2025. That is more than 21% of the 14,239 overflows in England with a reported figure, and ranks 10,428th nationally. Among Wessex Water overflows it ranks 977th of 1,332; the median Wessex Water overflow recorded 11 spills. On the Avon (Brist) conf R Marden to conf Semington Bk waterbody it ranks 17th of 25.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 2 | 6.5 |
| England | 10,428th of 14,239 | 11 | 22.3 |
| Wessex Water | 977th of 1,332 | 11 | 18.9 |
| Avon (Brist) conf R Marden to conf Semington Bk | 17th of 25 | 6 | 40.4 |
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 | 2 | 6.5 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
- Wessex Water
- Outlet type
- Storm discharge at a pumping station
- Permit
- Unpermitted
- Activity reference
- Unknown
- Grid reference
- ST9278072877
- Waterbody ID
- GB109053027440Official 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 1.4 km east of the Chippenham (Wiltshire) 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
- Chippenham 16 Long CloseCurrent status unknown
Wessex Water · River Avon via SWS
- CHIPPENHAM - 22 LONG CLOSE - Combined Sewer OverflowCurrent status unknown
Wessex Water · River Avon via SWS
- Chippenham Commons SlipCurrent status unknown
Wessex Water · River Avon
- Chippenham Wood LaneCurrent status unknown
Wessex Water · Tributary of River Avon
Questions about CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank
- Who operates CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank?
- Wessex Water is the operator named in the annual record. The permit reference is Unpermitted.
- Where does CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank discharge?
- The source names River Avon via SWS as the receiving water. This does not show how far a discharge travelled.
- How many times did CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank spill in 2025?
- The 2025 return records 2 counted spill events and 6.5 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 100% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank 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 CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank?
- 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 CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank compare with other overflows?
- CHIPPENHAM - LONG CLOSE - Sewage Pumping Station - Storm Tank recorded 2 spills in 2025. That is more than 21% of the 14,239 overflows in England with a reported figure, and ranks 10,428th nationally. Among Wessex Water overflows it ranks 977th of 1,332; the median Wessex Water overflow recorded 11 spills. On the Avon (Brist) conf R Marden to conf Semington Bk waterbody it ranks 17th of 25. 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.