Iwerne sewage map and spill data
2 storm overflows listed in the 2025 annual return name this water. All are operated by Wessex Water. Check the latest company report for each outlet below.
- 2
- Outlet records
- 84
- Spills in 2025
- 1,821
- Recorded hours
- 2
- Linked to a live feed
Annual figures describe the whole of 2025, not today.
Outlets on Iwerne
Filter by the latest company report. The map follows the filters.
Filters apply to the map and list. Recent stops need a current report and a recorded stop time. They do not show whether water is safe.
Showing 2 of 2 outlets
Open full map- Iwerne Minster Storm TankCurrent status unknown
Wessex Water · River Iwerne
2025 annual record:83spills1,816.2hours - ShrotonCurrent status unknown
Wessex Water · River Iwerne
2025 annual record:1spill4.5hours
No outlets match these filters.
Most recorded spills in 2025
The highest 2025 counts among these outlets. A count is events, not volume or harm. Equal counts share a rank.
- 1Iwerne Minster Storm Tank83spills
Wessex Water
- 2Shroton1spills
Wessex Water
Spills over time
The median outlet on Iwerne recorded 42 spills in 2025, against 11 across England.
2 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 2 fewer and 0 the same. Together they went from 197 to 84 spills, a fall of 57%.
| Year | Outlets with a count | Total spills | Median per outlet | England median |
|---|---|---|---|---|
| 2025 | 2 | 84 | 42 | 11 |
| 2024 | 2 | 197 | 98.5 | 19 |
| 2023 | 2 | 124 | 62 | 20 |
| 2022 | 2 | 21 | 10.5 | 13 |
| 2021 | 1 | 69 | 69 | 19 |
| 2020 | 1 | 135 | 135 | 18 |
Earlier returns list fewer of these outlets, so totals are not comparable between years. The median per outlet and the like-for-like change are fairer comparisons. Counts are events, not volume.
All outlet records on Iwerne
2 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- Iwerne Minster Storm TankRiver Iwerne · 83 spills in 2025
- ShrotonRiver Iwerne · 1 spill in 2025
Sources and dates
Outlet locations, waterbody links and spill figures come from the Environment Agency 2025 event duration monitoring annual return. The latest company reports come from each operator’s live feed and carry their own dates. Waterbody ID: GB108043016010. The official waterbody record is a source lookup; its classification is not imported here.
Questions about Iwerne
- Which outlets are linked to Iwerne?
- The source links 2 outlet records to waterbody GB108043016010. The link comes from the annual return; it does not model where a discharge travelled.
- How many spills were recorded for Iwerne?
- 2 records report 84 spills in 2025 and 1,821 recorded hours. All listed records have a usable count. Outlets can discharge at the same time, so the hours are not the time the whole water was affected.
- Who is responsible for the outlets on Iwerne?
- Wessex Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
- Which outlets on Iwerne are linked to a live feed?
- 2 of the 2 records are matched to a monitor in a company live feed. A link does not mean the monitor is working now. Use the status filters above to see the latest report for each outlet, with its date. The rest show annual figures only.
- How complete is the monitoring for Iwerne?
- Every record with a monitor operation figure shows 90% or more for 2025.
- Does this show if Iwerne is safe?
- No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.