NETHER KELLET WwTW
Storm overflow operated by United Utilities. The source names Nether Beck, Tributary River Keer as the receiving water.
- 102
- Spills in 2025
- 1,628
- Recorded hours
- 100%
- Monitor operation
- 2
- Years listed
The reported spill count was 10 higher than in 2024. This compares event counts, not discharge volume.
Checking the latest monitor report…
How it compares in 2025
NETHER KELLET WwTW recorded 102 spills in 2025. That is more than 98% of the 14,239 overflows in England with a reported figure, and ranks 234th nationally. Among United Utilities overflows it ranks 68th of 2,270; the median United Utilities overflow recorded 15 spills. On the KENT - transitional waterbody it ranks 1st of 15.
| Group | Rank by spills | Median spills | Median hours |
|---|---|---|---|
| This outlet | – | 102 | 1,628 |
| England | 234th of 14,239 | 11 | 22.3 |
| United Utilities | 68th of 2,270 | 15 | 29.1 |
| KENT - transitional | 1st of 15 | 25 | 54.1 |
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 | 102 | 1,628 hours | 100% | Official data |
| 2024 | 92 | 1,314 hours | 99.9% | 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
- United Utilities
- Outlet type
- Storm tank at a wastewater treatment works
- Permit
- 017370074
- Activity reference
- A2
- Grid reference
- SD5018068160
- Waterbody ID
- GB531207312000Official 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 0.3 km west of the Nether Kellet 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
- Hope Terrace PSCurrent status unknown
United Utilities · Black Dike, a tributary of the Keer Estuary
- Fairfield Road/Russell Road CSOCurrent status unknown
United Utilities · Clvrt Back Lane / Kellet Rd
- Crag Bank PSCurrent status unknown
United Utilities · Tributary Black Dyke
- St Nicholas Lane Pumping Station (Site ID STNIC) (LAN0057)Current status unknown
United Utilities · Mill Dam
Questions about NETHER KELLET WwTW
- Who operates NETHER KELLET WwTW?
- United Utilities is the operator named in the annual record. The permit reference is 017370074.
- Where does NETHER KELLET WwTW discharge?
- The source names Nether Beck, Tributary River Keer as the receiving water. This does not show how far a discharge travelled.
- How many times did NETHER KELLET WwTW spill in 2025?
- The 2025 return records 102 counted spill events and 1,628 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 NETHER KELLET WwTW 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 NETHER KELLET WwTW?
- 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 NETHER KELLET WwTW compare with other overflows?
- NETHER KELLET WwTW recorded 102 spills in 2025. That is more than 98% of the 14,239 overflows in England with a reported figure, and ranks 234th nationally. Among United Utilities overflows it ranks 68th of 2,270; the median United Utilities overflow recorded 15 spills. On the KENT - transitional waterbody it ranks 1st of 15. 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.