Upper Clyst sewage map and spill data
9 storm overflows listed in the 2025 annual return name this water. All are operated by South West Water. Check the latest company report for each outlet below.
- 9
- Outlet records
- 148
- Spills in 2025
- 919
- Recorded hours
- 8
- Linked to a live feed
Annual figures describe the whole of 2025, not today.
Outlets on Upper Clyst
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 9 of 9 outlets
Open full map- Clyst Honiton SPS Pscso ExeterCurrent status unknown
South West Water · River Clyst
2025 annual record:23spills269.1hours - Langaton Ln CSO ExeterCurrent status unknown
South West Water · Pin Brook
2025 annual record:25spills20.2hours - Monkerton SPS Pscsoeo ExeterCurrent status unknown
South West Water · Pin Brook
2025 annual record:0spills0hours - Penspool SPS Pscsoeo PlymtreeCurrent status unknown
South West Water · Tributary of River Clyst (S)
2025 annual record:21spills157.7hours - Plymtree STW So PlymtreeCurrent status unknown
South West Water · An Unnamed Trib-RIVER Clyst
2025 annual record:0spills0hours - Plymtree STW SSO PlymtreeCurrent status unknown
South West Water · River Weaver
2025 annual record:38spills379hours - Poltimore SPS Pscsoeo ExeterCurrent status unknown
South West Water · Stream (S)
2025 annual record:1spill0.1hours - Side SPS Pscsoeo BroadclystCurrent status unknown
South West Water · River Clyst Valley via SWS
2025 annual record:17spills16.1hours - Talaton SPS Pscsoeo TalatonCurrent status unknown
South West Water · Tributary of River Clyst
2025 annual record:23spills77.1hours
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.
- 1Plymtree STW SSO Plymtree38spills
South West Water
- 2Langaton Ln CSO Exeter25spills
South West Water
- 3Clyst Honiton SPS Pscso Exeter23spills
South West Water
- 3Talaton SPS Pscsoeo Talaton23spills
South West Water
- 5Penspool SPS Pscsoeo Plymtree21spills
South West Water
Spills over time
The median outlet on Upper Clyst recorded 21 spills in 2025, against 11 across England.
9 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 1 recorded more spills, 6 fewer and 2 the same. Together they went from 217 to 148 spills, a fall of 32%.
Largest rises from 2024 to 2025
- Langaton Ln CSO Exeter20 → 25
| Year | Outlets with a count | Total spills | Median per outlet | England median |
|---|---|---|---|---|
| 2025 | 9 | 148 | 21 | 11 |
| 2024 | 9 | 217 | 24 | 19 |
| 2023 | 9 | 174 | 22 | 20 |
| 2022 | 8 | 72 | 11.5 | 13 |
| 2021 | 8 | 142 | 13 | 19 |
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 Upper Clyst
9 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- Clyst Honiton SPS Pscso ExeterRiver Clyst · 23 spills in 2025
- Langaton Ln CSO ExeterPin Brook · 25 spills in 2025
- Monkerton SPS Pscsoeo ExeterPin Brook · 0 spills in 2025
- Penspool SPS Pscsoeo PlymtreeTributary of River Clyst (S) · 21 spills in 2025
- Plymtree STW So PlymtreeAn Unnamed Trib-RIVER Clyst · 0 spills in 2025
- Plymtree STW SSO PlymtreeRiver Weaver · 38 spills in 2025
- Poltimore SPS Pscsoeo ExeterStream (S) · 1 spill in 2025
- Side SPS Pscsoeo BroadclystRiver Clyst Valley via SWS · 17 spills in 2025
- Talaton SPS Pscsoeo TalatonTributary of River Clyst · 23 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: GB108045008860. The official waterbody record is a source lookup; its classification is not imported here.
Questions about Upper Clyst
- Which outlets are linked to Upper Clyst?
- The source links 9 outlet records to waterbody GB108045008860. The link comes from the annual return; it does not model where a discharge travelled.
- How many spills were recorded for Upper Clyst?
- 9 records report 148 spills in 2025 and 919 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 Upper Clyst?
- South West Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
- Which outlets on Upper Clyst are linked to a live feed?
- 8 of the 9 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 Upper Clyst?
- Every record with a monitor operation figure shows 90% or more for 2025.
- Does this show if Upper Clyst is safe?
- No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.