Sewage Map

Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719)

Storm overflow operated by Yorkshire Water. The source names River Humber as the receiving water.

245
Spills in 2025
1,219
Recorded hours
97.1%
Monitor operation
4
Years listed

The reported spill count was 32 higher than in 2024. This compares event counts, not discharge volume.

Current status unknown

Checking the latest monitor report…

Open official annual data ↗

How it compares in 2025

Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719) recorded 245 spills in 2025. That is more than 99% of the 14,239 overflows in England with a reported figure, and ranks 2nd nationally. Among Yorkshire Water overflows it ranks 1st of 2,176; the median Yorkshire Water overflow recorded 16 spills. On the Humber Middle waterbody it ranks 1st of 9.

GroupRank by spillsMedian spillsMedian hours
This outlet–2451,219
England2nd of 14,2391122.3
Yorkshire Water1st of 2,1761637.8
Humber Middle1st of 953308.3

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

1892022191202321320242452025
From 2022 to 2025, the reported count went from 189 to 245 spills. The highest count was 245 in 2025 and the lowest was 189 in 2022.
YearSpillsDurationMonitor operationSource
20252451,219 hours97.1%Official data
20242132,065.5 hours98.5%Official data
20231911,553 hours99.3%Official data
2022189213.3 hours99.6%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
Yorkshire Water
Outlet type
Inlet storm overflow at a wastewater treatment works
Permit
WRA8282
Activity reference
A2
Grid reference
SE9756024810
Waterbody ID
GB530402609202Official 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 “Inlet SO at WwTW”: inlet storm overflow at a wastewater treatment works. The overflow is at the inlet of a treatment works, where wastewater enters the 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 1.8 km south-west of the North Ferriby 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

Questions about Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719)

Who operates Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719)?
Yorkshire Water is the operator named in the annual record. The permit reference is WRA8282.
Where does Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719) discharge?
The source names River Humber as the receiving water. This does not show how far a discharge travelled.
How many times did Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719) spill in 2025?
The 2025 return records 245 counted spill events and 1,219 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 97.1% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719) 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 Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719)?
The annual return lists the asset type as “Inlet SO at WwTW”, which means inlet storm overflow at a wastewater treatment works. The overflow is at the inlet of a treatment works, where wastewater enters the works.
How does Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719) compare with other overflows?
Melton/STW, Yorkshire Water (WRA8282 · A2 · YWS01719) recorded 245 spills in 2025. That is more than 99% of the 14,239 overflows in England with a reported figure, and ranks 2nd nationally. Among Yorkshire Water overflows it ranks 1st of 2,176; the median Yorkshire Water overflow recorded 16 spills. On the Humber Middle waterbody it ranks 1st of 9. 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.