Whitstable Bay sewage map and spill data
8 storm overflows listed in the 2025 annual return name this water. All are operated by Southern Water. Check the latest company report for each outlet below.
- 8
- Outlet records
- 53
- Spills in 2025
- 65
- Recorded hours
- 8
- Linked to a live feed
Annual figures describe the whole of 2025, not today.
Outlets on Whitstable Bay
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 8 of 8 outlets
Open full map- Brook Road Swalecliffe CEO - 110179Current status unknown
Southern Water · Freshwater River
2025 annual record:0spills0hours - Diamond Road Whitstable CEO - 103279Current status unknown
Southern Water · Tankerton Bay
2025 annual record:14spills27.2hours - Little Groves Leysdown On Sea CEO - 108117Current status unknown
Southern Water · The North Sea (via Drain)
2025 annual record:2spills6.3hours - Mustards Road Leysdown On Sea CEO - 108113Current status unknown
Southern Water · Warden Bay Drain
2025 annual record:2spills1hours - Northwood Road Whitstable No 1 CSO - 102252Current status unknown
Southern Water · Controlled Sea
2025 annual record:9spills10.2hours - Northwood Road Whitstable No 2 CSO - 103280Current status unknown
Southern Water · Controlled Sea
2025 annual record:11spills9.6hours - Tankerton Circus CSO - 103281Current status unknown
Southern Water · Controlled Sea
2025 annual record:14spills9.6hours - Warden Bay CEO - 108114Current status unknown
Southern Water · A Tributary of the North Sea
2025 annual record:1spill0.9hours
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.
- 1Diamond Road Whitstable CEO - 10327914spills
Southern Water
- 1Tankerton Circus CSO - 10328114spills
Southern Water
- 3Northwood Road Whitstable No 2 CSO - 10328011spills
Southern Water
- 4Northwood Road Whitstable No 1 CSO - 1022529spills
Southern Water
- 5Little Groves Leysdown On Sea CEO - 1081172spills
Southern Water
Spills over time
The median outlet on Whitstable Bay recorded 5.5 spills in 2025, against 11 across England.
8 outlets have a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 4 recorded more spills, 2 fewer and 2 the same. Together they went from 65 to 53 spills, a fall of 18%.
Largest rises from 2024 to 2025
- Little Groves Leysdown On Sea CEO - 1081170 → 2
- Mustards Road Leysdown On Sea CEO - 1081130 → 2
- Northwood Road Whitstable No 1 CSO - 1022527 → 9
| Year | Outlets with a count | Total spills | Median per outlet | England median |
|---|---|---|---|---|
| 2025 | 8 | 53 | 5.5 | 11 |
| 2024 | 8 | 65 | 3.5 | 19 |
| 2023 | 5 | 36 | 1 | 20 |
| 2022 | 5 | 21 | 0 | 13 |
| 2021 | 5 | 41 | 3 | 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 Whitstable Bay
8 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.
- Brook Road Swalecliffe CEO - 110179Freshwater River · 0 spills in 2025
- Diamond Road Whitstable CEO - 103279Tankerton Bay · 14 spills in 2025
- Little Groves Leysdown On Sea CEO - 108117The North Sea (via Drain) · 2 spills in 2025
- Mustards Road Leysdown On Sea CEO - 108113Warden Bay Drain · 2 spills in 2025
- Northwood Road Whitstable No 1 CSO - 102252Controlled Sea · 9 spills in 2025
- Northwood Road Whitstable No 2 CSO - 103280Controlled Sea · 11 spills in 2025
- Tankerton Circus CSO - 103281Controlled Sea · 14 spills in 2025
- Warden Bay CEO - 108114A Tributary of the North Sea · 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: GB640604290000. The official waterbody record is a source lookup; its classification is not imported here.
Questions about Whitstable Bay
- Which outlets are linked to Whitstable Bay?
- The source links 8 outlet records to waterbody GB640604290000. The link comes from the annual return; it does not model where a discharge travelled.
- How many spills were recorded for Whitstable Bay?
- 8 records report 53 spills in 2025 and 65 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 Whitstable Bay?
- Southern Water operates every listed outlet. Contact the operator or the official pollution service if you see a problem in the water.
- Which outlets on Whitstable Bay are linked to a live feed?
- 8 of the 8 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 Whitstable Bay?
- Every record with a monitor operation figure shows 90% or more for 2025.
- Does this show if Whitstable Bay is safe?
- No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.