Sewage Map

Hawkhurst North SSO - 115719

Storm overflow operated by Southern Water. The source names Hexden Channel as the receiving water.

76
Spills in 2025
1,130.1
Recorded hours
97.4%
Monitor operation
5
Years listed

The reported spill count was 137 lower 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

Hawkhurst North SSO - 115719 recorded 76 spills in 2025. That is more than 95% of the 14,239 overflows in England with a reported figure, and ranks 598th nationally. Among Southern Water overflows it ranks 18th of 975; the median Southern Water overflow recorded 7 spills. On the Hexden Channel waterbody it ranks 1st of 4.

GroupRank by spillsMedian spillsMedian hours
This outlet–761,130.1
England598th of 14,2391122.3
Southern Water18th of 975717
Hexden Channel1st of 432313.4

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

105202149202216520232132024762025
From 2021 to 2025, the reported count went from 105 to 76 spills. The highest count was 213 in 2024 and the lowest was 49 in 2022.
YearSpillsDurationMonitor operationSource
2025761,130.1 hours97.4%Official data
20242134,084.6 hours99.9%Official data
20231653,056.1 hours100%Official data
202249736.6 hours96.9%Official data
20211051,798.1 hours100%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
Southern Water
Outlet type
Storm tank at a wastewater treatment works
Permit
A01217
Activity reference
Settled Storm
Grid reference
TQ7674031270
Waterbody ID
GB107040019670Official 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 source name includes SSO, which Southern Water defines as Settled Storm Overflow. The name and the listed type are separate source fields, so the name does not describe the layout of the site. Southern Water flow and spill reporting glossary ↗

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 1.2 km north-west of the Gun Green 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 Hawkhurst North SSO - 115719

Who operates Hawkhurst North SSO - 115719?
Southern Water is the operator named in the annual record. The permit reference is A01217.
Where does Hawkhurst North SSO - 115719 discharge?
The source names Hexden Channel as the receiving water. This does not show how far a discharge travelled.
How many times did Hawkhurst North SSO - 115719 spill in 2025?
The 2025 return records 76 counted spill events and 1,130.1 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 97.4% of the reporting period, so the annual figures cover most of the year. They still do not measure discharge volume.
Is Hawkhurst North SSO - 115719 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 Hawkhurst North SSO - 115719?
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. The source name includes SSO, which Southern Water defines as Settled Storm Overflow. The name and the listed type are separate source fields.
How does Hawkhurst North SSO - 115719 compare with other overflows?
Hawkhurst North SSO - 115719 recorded 76 spills in 2025. That is more than 95% of the 14,239 overflows in England with a reported figure, and ranks 598th nationally. Among Southern Water overflows it ranks 18th of 975; the median Southern Water overflow recorded 7 spills. On the Hexden Channel waterbody it ranks 1st of 4. 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.