River TruthRiver Truth
← All watercourses

Receiving watercourse

River Calder

89 monitored storm overflows record River Calder as their receiving watercourse in the National Storm Overflow Hub. Operated by United Utilities and Yorkshire Water.

89

Storm overflows

0

Active right now

1

Monitors offline

739

Spill events · 12 months

80,134h

Recorded discharge · 12 months

21

Open discrepancies

Every monitored overflow· 89

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.