Brixton storm relief sewer
Storm overflow operated by Thames Water. The source names R.THAMES ( Tidal ) as the receiving water.
- 3
- Spills in 2025
- 25.4
- Recorded hours
- 100%
- Monitor operation
- 2
- Years listed
The reported spill count was 64 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
Brixton storm relief sewer recorded 3 spills in 2025. That is more than 26% of the 14,239 overflows in England with a reported figure, and ranks 9,843rd nationally. Among Thames Water overflows it ranks 342nd of 579; the median Thames Water overflow recorded 6 spills. On the Thames Middle waterbody it ranks 26th of 71.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 3 | 25.4 |
| England | 9,843rd of 14,239 | 11 | 22.3 |
| Thames Water | 342nd of 579 | 6 | 20.9 |
| Thames Middle | 26th of 71 | 2 | 2.8 |
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 | 3 | 25.4 hours | 100% | Official data |
| 2024 | 67 | 787.2 hours | 96.5% | 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
- Thames Water
- Outlet type
- Storm overflow on the sewer network
- Permit
- CSAB.0554
- Activity reference
- 1 activity on permit
- Grid reference
- TQ3025078120
- Waterbody ID
- GB530603911402Official 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 3.6 km south-east of the City of Westminster 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
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- Clapham storm relief sewer, londonCurrent status unknown
Thames Water · R.THAMES ( Tidal )
- Kings scholars pondCurrent status unknown
Thames Water · R.THAMES ( Tidal )
- Low level XX, grosvenor ditch, millbCurrent status unknown
Thames Water · Tidal Thames
Questions about Brixton storm relief sewer
- Who operates Brixton storm relief sewer?
- Thames Water is the operator named in the annual record. The permit reference is CSAB.0554.
- Where does Brixton storm relief sewer discharge?
- The source names R.THAMES ( Tidal ) as the receiving water. This does not show how far a discharge travelled.
- How many times did Brixton storm relief sewer spill in 2025?
- The 2025 return records 3 counted spill events and 25.4 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 100% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is Brixton storm relief sewer 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 Brixton storm relief sewer?
- 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 Brixton storm relief sewer compare with other overflows?
- Brixton storm relief sewer recorded 3 spills in 2025. That is more than 26% of the 14,239 overflows in England with a reported figure, and ranks 9,843rd nationally. Among Thames Water overflows it ranks 342nd of 579; the median Thames Water overflow recorded 6 spills. On the Thames Middle waterbody it ranks 26th of 71. 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.