Charmouth Storm Tanks Storm Tank
Storm overflow operated by Wessex Water. The source names Lyme Bay(C) & River Char(S) as the receiving water.
- 2
- Spills in 2025
- 4.6
- Recorded hours
- 100%
- Monitor operation
- 5
- Years listed
The reported spill count was 10 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
Charmouth Storm Tanks 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.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 2 | 4.6 |
| England | 10,428th of 14,239 | 11 | 22.3 |
| Wessex Water | 977th of 1,332 | 11 | 18.9 |
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 | 4.6 hours | 100% | Official data |
| 2024 | 12 | 147.7 hours | 100% | Official data |
| 2023 | 7 | 56.6 hours | 100% | Official data |
| 2022 | 1 | 0 hours | 100% | Official data |
| 2020 | 6 | 25.3 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 tank at a wastewater treatment works
- Permit
- 401625
- Activity reference
- 2-SETTLEMENT TREATMENT ONLY
- Grid reference
- SY3717093740
- Waterbody ID
- GB108044009790Official 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 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 0.8 km north-east of the Charmouth reference point in the ONS built-up areas data.
Designated bathing waters within 3 km in a straight line:
Distance does not show that water from this outlet reaches a bathing water. Check the official bathing-water profile for its classification and advice.
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
- Charmouth The Street Adj BenharhCurrent status unknown
Wessex Water · River Char(S)
- Charmouth Sea Outfall InletCurrent status unknown
Wessex Water · Lyme Bay(C) & River Char(S)
- Gun Cliff Spst Pscsoeo Lyme RegisCurrent status unknown
South West Water · River Lim
- Goslings Bridge CSO Lyme RegisCurrent status unknown
South West Water · River Lim(S)
Questions about Charmouth Storm Tanks Storm Tank
- Who operates Charmouth Storm Tanks Storm Tank?
- Wessex Water is the operator named in the annual record. The permit reference is 401625.
- Where does Charmouth Storm Tanks Storm Tank discharge?
- The source names Lyme Bay(C) & River Char(S) as the receiving water. This does not show how far a discharge travelled.
- How many times did Charmouth Storm Tanks Storm Tank spill in 2025?
- The 2025 return records 2 counted spill events and 4.6 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 Charmouth Storm Tanks 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 Charmouth Storm Tanks Storm Tank?
- 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 Charmouth Storm Tanks Storm Tank compare with other overflows?
- Charmouth Storm Tanks 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. 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.