Sewage Map

Hogwell Sewer and Chislet North Stream sewage map and spill data

2 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.

2
Outlet records
15
Spills in 2025
115
Recorded hours
2
Linked to a live feed

Annual figures describe the whole of 2025, not today.

Official waterbody record ↗How spills are countedSearch the national map

Outlets on Hogwell Sewer and Chislet North Stream

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

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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.

  1. 1
    May Street Herne Bay SSO - 115418

    Southern Water

    11spills
  2. 2
    Eddington Lane Herne Bay CSO - 108093

    Southern Water

    4spills

Spills over time

The median outlet on Hogwell Sewer and Chislet North Stream recorded 7.5 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 40 to 15 spills, a fall of 63%.

YearOutlets with a countTotal spillsMedian per outletEngland median
20252157.511
20242402019
202324321.520
20222157.513
202124723.519

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 Hogwell Sewer and Chislet North Stream

2 outlet records in alphabetical order. Each link opens the outlet page with its latest report and annual history.

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: GB107040019770. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Hogwell Sewer and Chislet North Stream

Which outlets are linked to Hogwell Sewer and Chislet North Stream?
The source links 2 outlet records to waterbody GB107040019770. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Hogwell Sewer and Chislet North Stream?
2 records report 15 spills in 2025 and 115 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 Hogwell Sewer and Chislet North Stream?
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 Hogwell Sewer and Chislet North Stream 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 Hogwell Sewer and Chislet North Stream?
Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Hogwell Sewer and Chislet North Stream is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.