River Mimram at Whitwell


Current River Level: 0.075m, steady

Within the usual range for this location

Current level recorded at 7:00pm, Sunday 26th September BST
(6:00pm, Sunday 26th September GMT)

Change from previous measurement: 0.000m
(recorded at 1:00pm, Sunday 26th September BST)

The usual range of the River Mimram at Whitwell is between 0.02m and 0.50m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Mimram at Whitwell over the past 12 months has been between 0.07m and 0.14m. It has been between these levels for at least 151 days in the past year.

The highest level ever recorded at the River Mimram at Whitwell is 0.28m, reached on Monday 12th February 2001 at 9:15pm.

Note that this data may not take account of recent measurements, as we wait until a level has been verified by the Environment Agency before adding it to our records.

  • Monitoring Station: Whitwell
  • Watercourse: River Mimram
  • Nearest Town/Village: St Paul's Walden
  • Local Authority: North Hertfordshire
  • Ceremonial County: Hertfordshire
  • Environment Agency Location ID: 4730TH
  • Environment Agency Gauge ID: 4730TH-level-stage-i-15_min-mASD
  • Operational Area: Upper Lee
  • Catchment Area: Upper Lee
  • UK Hydrometric Area: Lee
  • Environment Agency Region: Thames
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 88.142m AOD

Nearby Monitoring Locations

Other monitoring locations on the River Mimram
River Mimram Map
Monitoring locations on nearby rivers
Taming the Flood by Jeremy Purseglove

Nearby Flood Warning Locations

River Mimram at Whitwell
The River Mimram at Whitwell including Codicote

No current or recent warnings.

River Mimram in Hertfordshire
The River Mimram at Whitwell, Welwyn, Tewin, Hertingfordbury and Hertford

No current or recent warnings.

Groundwater flooding in Kimpton and Lilley Bottom
Areas at risk of groundwater flooding in Kimpton and Lilley Bottom, including Lye Hill, Whiteway and Claggy Bottom

No current or recent warnings.

River Lee at Luton, Harpenden and Wheathampstead
River Lee at Luton, Harpenden including Wheathampstead and East Hyde

No current or recent warnings.

River Lee at Harpenden
River Lee at Harpenden and Wheathampstead including East Hyde

No current or recent warnings.

Long term graphs will work better if you rotate your fondleslab into landscape mode.

Past Week

Long Term

Darker blue shaded areas on long term data indicate maximum and minimum levels for the date (you may need to zoom in closer to see them).

Long term data may have gaps where the API data was not available.

Download long term data as csv

Note: CSV data will include any outlying values that have been ignored by our graphing system as probably erroneous (eg, because they are ridiculously high compared to the values either side of them). It is your responsibility to filter these out if necessary.

Important! If you are planning to retrieve the csv data automatically, you must read and understand the limitations on the data and its availability.

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