Sewage Map

Western Rother (Upstream Petersfield) sewage map and spill data

4 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.

4
Outlet records
36
Spills in 2025
302
Recorded hours
4
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 Western Rother (Upstream Petersfield)

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

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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
    Liss SSO - 115920

    Southern Water

    25spills
  2. 2
    Chapel Street Petersfield CSO - 108409

    Southern Water

    5spills
  3. 3
    College Street Petersfield CSO - 108414

    Southern Water

    4spills
  4. 4
    Station Road Liss CSO - 108486

    Southern Water

    2spills

Spills over time

The median outlet on Western Rother (Upstream Petersfield) recorded 4.5 spills in 2025, against 11 across England.

1 outlet has a comparable count for both 2024 and 2025, with the monitor working at least 90% of each year. 0 recorded more spills, 1 fewer and 0 the same. Together it went from 79 to 25 spills, a fall of 68%.

YearOutlets with a countTotal spillsMedian per outletEngland median
20254364.511
20244967.519
20234101920
20224522.513
202148010.519

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 Western Rother (Upstream Petersfield)

4 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: GB107041012840. The official waterbody record is a source lookup; its classification is not imported here.

All sourcesHow the data worksReport pollution

Questions about Western Rother (Upstream Petersfield)

Which outlets are linked to Western Rother (Upstream Petersfield)?
The source links 4 outlet records to waterbody GB107041012840. The link comes from the annual return; it does not model where a discharge travelled.
How many spills were recorded for Western Rother (Upstream Petersfield)?
4 records report 36 spills in 2025 and 302 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 Western Rother (Upstream Petersfield)?
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 Western Rother (Upstream Petersfield) 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 Western Rother (Upstream Petersfield)?
Every record with a monitor operation figure shows 90% or more for 2025.
Does this show if Western Rother (Upstream Petersfield) is safe?
No. Event duration data does not measure bacteria, chemicals or current water quality. Use official local water-quality advice for that question.