Clearbrook STW SSO Clearbrook
Storm overflow operated by South West Water. The source names (S) Tributary of River Meavy as the receiving water.
- 26
- Spills in 2025
- 171
- Recorded hours
- 98.8%
- Monitor operation
- 2
- Years listed
The reported spill count was 24 higher than in 2024. This compares event counts, not discharge volume.
Checking the latest monitor report…
How it compares in 2025
Clearbrook STW SSO Clearbrook recorded 26 spills in 2025. That is more than 70% of the 14,239 overflows in England with a reported figure, and ranks 4,061st nationally. Among South West Water overflows it ranks 605th of 1,357; the median South West Water overflow recorded 21 spills. On the Meavy waterbody it ranks 5th of 7.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 26 | 171 |
| England | 4,061st of 14,239 | 11 | 22.3 |
| South West Water | 605th of 1,357 | 21 | 39.4 |
| Meavy | 5th of 7 | 34 | 171 |
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 | 26 | 171 hours | 98.8% | Official data |
| 2024 | 2 | 2.3 hours | 90.7% | 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
- South West Water
- Outlet type
- Storm tank at a wastewater treatment works
- Permit
- NRA-SW-3027
- Activity reference
- A1
- Grid reference
- SX52556547
- Waterbody ID
- GB108047003660Official waterbody record ↗
- Location source
- Official annual grid reference
- Location precision
- About 10 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 2.3 km south of the Yelverton 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
- Glenview CSO YelvertonCurrent status unknown
South West Water · River Meavy (S)
- Gratton STW So YelvertonCurrent status unknown
South West Water · River Meavy
- Gratton STW SSO YelvertonCurrent status unknown
South West Water · River Meavy
- Gratton CSO YelvertonCurrent status unknown
South West Water · River Meavy
Questions about Clearbrook STW SSO Clearbrook
- Who operates Clearbrook STW SSO Clearbrook?
- South West Water is the operator named in the annual record. The permit reference is NRA-SW-3027.
- Where does Clearbrook STW SSO Clearbrook discharge?
- The source names (S) Tributary of River Meavy as the receiving water. This does not show how far a discharge travelled.
- How many times did Clearbrook STW SSO Clearbrook spill in 2025?
- The 2025 return records 26 counted spill events and 171 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 98.8% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
- Is Clearbrook STW SSO Clearbrook 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 10 metres. It shows the recorded outlet position, not the extent of any discharge.
- What kind of outlet is Clearbrook STW SSO Clearbrook?
- 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 Clearbrook STW SSO Clearbrook compare with other overflows?
- Clearbrook STW SSO Clearbrook recorded 26 spills in 2025. That is more than 70% of the 14,239 overflows in England with a reported figure, and ranks 4,061st nationally. Among South West Water overflows it ranks 605th of 1,357; the median South West Water overflow recorded 21 spills. On the Meavy waterbody it ranks 5th of 7. 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.