South Drain sewage map and spill data
12 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.
- 12
- Outlet records
- 202
- Spills in 2025
- 1,930
- Recorded hours
- 12
- Linked to a live feed
1 records show monitor operation below 90%. Annual figures describe the whole of 2025, not today.
Outlets on South Drain
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 10 of 12 outlets
Open full map- Chilton Polden Goose Lane O/S CollingsCurrent status unknown
Wessex Water · Nidon Brook
2025 annual record:60spills214.5hours - Chilton Polden MainCurrent status unknown
Wessex Water · Nidon Brook (S)
2025 annual record:0spills0hours - Edington Broadmead Lane (Som)Current status unknown
Wessex Water · Tributary of Nidon Rhyne
2025 annual record:49spills991hours - Shapwick SomersetCurrent status unknown
Wessex Water · Sth Drain-TRIB of Lwr Brue (S)
2025 annual record:32spills555.5hours - Street Farm LaneCurrent status unknown
Wessex Water · South Drain
2025 annual record:12spills15.9hours - Street Ford Stream RoadCurrent status unknown
Wessex Water · Bullmead Ditch(S)
2025 annual record:11spills3.2hours - Street Glaston Road Opp 30Current status unknown
Wessex Water · Tributary of South Drain
2025 annual record:6spills3.1hours - Street Houndwood DroveCurrent status unknown
Wessex Water · Tributary of the Bullmead Ditch
2025 annual record:3spills6.4hours - Street MainCurrent status unknown
Wessex Water · Tributary of South Drain
2025 annual record:26spills132.1hours - Street Middle Brooks RoadCurrent status unknown
Wessex Water · (S) Tributary of Bullmead Ditch
2025 annual record:3spills8.5hours
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.
- 1Chilton Polden Goose Lane O/S Collings60spills
Wessex Water
- 2Edington Broadmead Lane (Som)49spills
Wessex Water
- 3Shapwick Somerset32spills
Wessex Water · monitor coverage 75.8%, below 90%
- 4Street Main26spills
Wessex Water
- 5Street Farm Lane12spills
Wessex Water
Spills over time
The median outlet on South Drain recorded 8.5 spills in 2025, against 11 across England.
11 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 10 fewer and 1 the same. Together they went from 347 to 170 spills, a fall of 51%.
| Year | Outlets with a count | Total spills | Median per outlet | England median |
|---|---|---|---|---|
| 2025 | 12 | 202 | 8.5 | 11 |
| 2024 | 12 | 412 | 12.5 | 19 |
| 2023 | 12 | 420 | 15 | 20 |
| 2022 | 12 | 199 | 13 | 13 |
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 South Drain
12 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- Chilton Polden Goose Lane O/S CollingsNidon Brook · 60 spills in 2025
- Chilton Polden MainNidon Brook (S) · 0 spills in 2025
- Edington Broadmead Lane (Som)Tributary of Nidon Rhyne · 49 spills in 2025
- Shapwick SomersetSth Drain-TRIB of Lwr Brue (S) · 32 spills in 2025
- Street Farm LaneSouth Drain · 12 spills in 2025
- Street Ford Stream RoadBullmead Ditch(S) · 11 spills in 2025
- Street Glaston Road Opp 30Tributary of South Drain · 6 spills in 2025
- Street Houndwood DroveTributary of the Bullmead Ditch · 3 spills in 2025
- Street MainTributary of South Drain · 26 spills in 2025
- Street Middle Brooks Road(S) Tributary of Bullmead Ditch · 3 spills in 2025
- Street Strode Road AllotmentsOld Rhyne via SWS · 0 spills in 2025
- Street Walton GlobeA Tributary of the Small Moor Rhyne · 0 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: GB108052021181. The official waterbody record is a source lookup; its classification is not imported here.
Questions about South Drain
- Which outlets are linked to South Drain?
- The source links 12 outlet records to waterbody GB108052021181. The link comes from the annual return; it does not model where a discharge travelled.
- How many spills were recorded for South Drain?
- 12 records report 202 spills in 2025 and 1,930 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 South Drain?
- 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 South Drain are linked to a live feed?
- 12 of the 12 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 South Drain?
- 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 South Drain is safe?
- No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.