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Middle River Colne

The Middle River Colne at Watford and Rickmansworth including Carpenders Park

Flood alert area River Colne Greater London, Hertfordshire, Hillingdon Herts and North London

Map

Nearby Monitoring Stations

Moor Lane in this area

River Colne • Rickmansworth • 1.9 km (downstream)

Steady · normal

Watford in this area

River Colne • Watford • 4.0 km (upstream)

structure gauge

River Colne • Denham • 10.0 km (upstream)

Steady · normal

River Colne • Denham • 10.7 km (upstream)

structure gauge

River Colne • London Colney • 12.2 km (upstream)

Steady · normal

Iver, Clisbys Bridge

River Colne • Cowley • 13.9 km (downstream)

Rising slightly · normal — Up 0.04 m since 14:15, rising slightly

River Colne • Iver • 15.3 km (downstream)

Easing · normal — Easing — down from 0.39 at 14:30, now 0.37

Thorney Mill Road, West Drayton (Temporary)

River Colne • West Drayton • 16.8 km (downstream)

Rising slightly · normal — Up 0.02 m since 16:00, rising slightly

River Colne • West Drayton • 16.9 km (downstream)

Steady · normal

River Colne • Longford • 20.9 km (downstream)

Steady · normal

Flood Event History (17)

5 Jan 2025 at 6:12pm Flood Alert

12 Mar 2024 at 7:05pm Flood Alert

2 Mar 2024 at 10:53am Flood Alert

22 Feb 2024 at 7:34pm Flood Alert

8 Feb 2024 at 7:18pm Flood Alert

2 Jan 2024 at 7:47pm Flood Alert

1 Apr 2023 at 8:45am Flood Alert

5 Feb 2021 at 9:56am Flood Alert

29 Jan 2021 at 7:52am Flood Alert

15 Jan 2021 at 12:57pm Flood Alert

26 Dec 2017 at 12:40pm Flood Alert

6 Feb 2014 at 7:52pm Flood Alert

1 Feb 2014 at 10:21am Flood Alert

4 Jan 2014 at 6:55pm Flood Alert

23 Dec 2013 at 2:54pm Flood Alert

12 Feb 2009 at 11:18am Flood Alert

10 Feb 2009 at 9:08am Flood Alert

Related Flood Areas

Official sources for this area

This area on the Environment Agency’s flood service →
Floodline quick dial: 172731 — call 0345 988 1188 and give that code for a recorded update on this area.
Area code: 062WAF28MidColne

Live warnings and area boundaries are the Environment Agency’s and the EA is the authority on them. Contains public sector information licensed under the Open Government Licence v3.0. This area in the EA’s own data.