← All watercourses

Receiving watercourse

Unnamed Watercourse

55 monitored storm overflows on the Unnamed Watercourse are listed in the National Storm Overflow Hub. 1 is reporting an active spill right now. Operated by Anglian Water, Dwr Cymru Welsh Water, Southern Water, South West Water, Thames Water and Wessex Water.

📍 View on national map →

55

Storm overflows

1

Active right now

0

Monitors offline

1,952

Spill events · 12 months

1,129h

Recorded discharge · 12 months

2

Open discrepancies

Currently spilling· 1

01
Dwr Cymru Welsh Water · Llanaelhaearn WwTW Overflow
spilling for 5 days
→

Every monitored overflow· 55

Each links to its full record — spill history, nearby water-quality sampling, citizen reports, and pre-filled accountability letters.

Seen something?

Sewage debris, foam, dead fish — citizen sightings are cross-referenced against the official discharge data above and strengthen the public record.

Report a sighting →