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Water company · North West

Currently spilling

United Utilities

Serves Cumbria, Lancashire, Greater Manchester, Cheshire, Merseyside. Major rivers: Mersey, Ribble, Lune, Eden.

United Utilities operates 2,262 monitored storm overflows. 5 are currently spilling. 36 monitors are offline. In the last 30 days the network has discharged a cumulative 3.6 years across 3,152 events on average. The Truth Engine has 160 open flags against them right now.

2,262

Storm overflows

5

Active right now

36

Monitors offline

160

Open flags

788

Spills · last 7 days

3.6 years

Cumulative discharge · 30 days

23.6 h

Avg event length · 30 days

560

Spills · last 24 hours

Spill record· last 12 months · network-wide

15,627

spill events

+8933% vs prior 12m

2,606,195h

cumulative discharge

+3166% vs prior 12m

1.9 years

longest single event (all time)

2024-08-07

first event on record

Across 10 water companies in the EA dataset, United Utilities averaged 14.0h per monitored overflow in the last 30 days. The national median was 23.6h per overflow. ranked 4 of 10 of UK water companies by 30-day spill hours per monitored overflow.

Most-discharged-into watercourses

The 12 watercourses with the most United Utilities overflows discharging into them.

Currently spilling· 5

  1. 01

    Whitehall Brook

    UUP00098 · spilling for 2 h

  2. 02

    River Tame

    UUP00664 · spilling for 2.9 h

  3. 03

    River Mersey

    UUP00413 · spilling for 3.1 h

  4. 04

    River Irwell

    UUP00506 · spilling for 7 h

  5. 05

    Sankey Brook

    UUP01528 · spilling for 12.9 h

Truth Engine flags against United Utilities· 25 open

Monitors offline· 36