Environment Agency monitoring station
Denham Colne
River Colne · Denham · Colne (Lower) catchment
EA station reference
2870TH
Live measurement feed
Water level over the last seven days
Readings show measured change at this instrument. A station reading is not a flood warning and, without an official threshold, does not prove that the river is safe or dangerous.
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Station location
Blue point = monitoring instrument, not a reported flood.
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About this station
- Monitors
- River Colne
- Catchment
- Colne (Lower)
- Nearest named place
- Denham
- EA opening date
- 1 January 1986
- Coordinates
- 51.56631, -0.48390
Nearby designated monitoring areas
Directory areas whose reference point is within approximately 10 km. Proximity does not mean this station controls that area or that a warning is active.
- The River Pinn at IckenhamDesignated warning area · EA ref 062FWF28Ickenham
- The River Pinn and Woodridings Stream at Pinner, Eastcote, Ruislip, Ickenham, Uxbridge and YiewsleyDesignated alert area · EA ref 062WAF28Pinn
- The River Pinn at Uxbridge including HillingdonDesignated warning area · EA ref 062FWF28Uxbridge
- The Yeading Brook at Hillingdon including YeadingDesignated warning area · EA ref 062FWF36Hilling
- The Lower River Colne and Frays River at Uxbridge, West Drayton, Poyle and Stanwell MoorDesignated alert area · EA ref 062WAF28LowColne
- The River Misbourne at Great Missenden, Amersham and The ChalfontsDesignated alert area · EA ref 062WAF28Misbourn
- The River Pinn at Eastcote VillageDesignated warning area · EA ref 062FWF28Eastcote
- Yeading Brook West at Ruislip Manor including North Harrow, Ruislip Gardens and North HillingdonDesignated warning area · EA ref 062FWF36RManor
- The Yeading Brooks East and West at Ruislip and HarrowDesignated alert area · EA ref 062WAF36Yeadings
- The Woodridings Stream at Pinner Green, HarrowDesignated warning area · EA ref 062FWF28Wridings
Nearby monitoring stations
Use nearby instruments for context, but do not compare absolute station-datum values as if they shared the same baseline.
Source and limits: station directory and readings from the Environment Agency under the Open Government Licence v3.0. API readings can be delayed or unavailable. For warnings and emergency advice, use the official GOV.UK flood service.