Environment Agency monitoring station
Whitwell
River Mimram · Whitwell · Mimram catchment
EA station reference
4730TH
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 Mimram
- Catchment
- Mimram
- Nearest named place
- Whitwell
- EA opening date
- 1 January 1981
- Coordinates
- 51.87689, -0.28128
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.
- River Lee at Luton, Harpenden including Wheathampstead and East HydeDesignated alert area · EA ref 062WAF46UpperLee
- The River Mimram at Whitwell, Welwyn, Tewin, Hertingfordbury and HertfordDesignated alert area · EA ref 062WAF47Mimram
- The Stevenage Brook at Stevenage including Hooks CrossDesignated warning area · EA ref 062FWF48Stevenag
- River Lee at Harpenden and Wheathampstead including East HydeDesignated warning area · EA ref 062FWF46Harpendn
- The River Mimram at Welwyn including Welwyn Garden City and DigswellDesignated warning area · EA ref 062FWF47Welwyn
- The River Mimram at Whitwell including CodicoteDesignated warning area · EA ref 062FWF47Whitwell
- Areas at risk of groundwater flooding in Kimpton and Lilley Bottom, including Lye Hill, Whiteway and Claggy BottomDesignated alert area · EA ref 062FAGKimptonGW
- Woolgrove Road, Green Lane, Purwell Lane, Brook View, Ninesprings Way and Oakfield Avenue in Hitchin, Stevenage Road in Ashbrook, Stevenage Road, Priory Lane and Elms Close in Little Wymondley, High Street and Church Lane in GraveleyDesignated warning area · EA ref 052FWFIVHG
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.