River Wiske from Trenholme Stell to River Swale sewage map and spill data
4 storm overflows listed in the 2025 annual return name this water. All are operated by Yorkshire Water. Check the latest company report for each outlet below.
- 4
- Outlet records
- 9
- Spills in 2025
- 7
- Recorded hours
- 4
- Linked to a live feed
1 records show monitor operation below 90%. Annual figures describe the whole of 2025, not today.
Outlets on River Wiske from Trenholme Stell to River Swale
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 4 of 4 outlets
Open full map- Danby Wiske Vill/CSOCurrent status unknown
Yorkshire Water · River Wiske
2025 annual record:0spills0hours - Otterington Church/CSOCurrent status unknown
Yorkshire Water · Howe Beck
2025 annual record:0spills0hours - Thornton Le Moor/CSOCurrent status unknown
Yorkshire Water · Tributary of River Wiske
2025 annual record:3spills2.3hours - Yafforth/CSOCurrent status unknown
Yorkshire Water · River Wiske
2025 annual record:6spills4.3hours
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.
- 1Yafforth/CSO6spills
Yorkshire Water
- 2Thornton Le Moor/CSO3spills
Yorkshire Water · monitor coverage 78%, below 90%
- 3Danby Wiske Vill/CSO0spills
Yorkshire Water
- 3Otterington Church/CSO0spills
Yorkshire Water
Spills over time
The median outlet on River Wiske from Trenholme Stell to River Swale recorded 1.5 spills in 2025, against 11 across England.
3 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 3 fewer and 0 the same. Together they went from 34 to 6 spills, a fall of 82%.
| Year | Outlets with a count | Total spills | Median per outlet | England median |
|---|---|---|---|---|
| 2025 | 4 | 9 | 1.5 | 11 |
| 2024 | 4 | 35 | 4 | 19 |
| 2023 | 4 | 26 | 4.5 | 20 |
| 2022 | 3 | 1 | 0 | 13 |
| 2021 | 2 | 8 | 4 | 19 |
| 2020 | 2 | 31 | 15.5 | 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 River Wiske from Trenholme Stell to River Swale
4 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- Danby Wiske Vill/CSORiver Wiske · 0 spills in 2025
- Otterington Church/CSOHowe Beck · 0 spills in 2025
- Thornton Le Moor/CSOTributary of River Wiske · 3 spills in 2025
- Yafforth/CSORiver Wiske · 6 spills 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: GB104027069530. The official waterbody record is a source lookup; its classification is not imported here.
Questions about River Wiske from Trenholme Stell to River Swale
- Which outlets are linked to River Wiske from Trenholme Stell to River Swale?
- The source links 4 outlet records to waterbody GB104027069530. The link comes from the annual return; it does not model where a discharge travelled.
- How many spills were recorded for River Wiske from Trenholme Stell to River Swale?
- 4 records report 9 spills in 2025 and 7 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 River Wiske from Trenholme Stell to River Swale?
- Yorkshire Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
- Which outlets on River Wiske from Trenholme Stell to River Swale are linked to a live feed?
- 4 of the 4 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 River Wiske from Trenholme Stell to River Swale?
- 1 of the listed records have monitor operation below 90% for 2025. Events can be missed when a monitor is not working, so low counts from those outlets may understate activity.
- Does this show if River Wiske from Trenholme Stell to River Swale is safe?
- No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.