Mimmshall Brook at

 

Current River Level: 0.325m, falling

Within the usual range for this location

Current level recorded at 4:30am, Thursday 19th October GMT
(5:30am, Thursday 19th October BST)

Change from previous measurement: -0.001m

The normal level of the Mimmshall Brook at in average weather conditions is between 0.21m and 0.33m. It has been between these levels for at least 153 days in the past year.

The usual range of the Mimmshall Brook at in more extreme weather conditions is between 0.15m and 1.00m. It has been between these levels for 90% of the time since monitoring began.

The most recent high is 1.80m, reached on Friday 7th February 2014 at 7:15am.

The highest level ever recorded at the Mimmshall Brook at is 1.80m, reached on Friday 7th February 2014 at 7:15am.

  • Monitoring Station: Mimmshall Brook
  • Environment Agency Location ID: 2809TH
  • Watercourse: Mimmshall Brook
  • Catchment Area: Colne (Upper)
  • UK Hydrometric Area: Thames
  • Environment Agency Region: Thames
  • Nearest Town/Village: South Mimms
  • Local Authority: Hertsmere
  • Ceremonial County: Hertfordshire

Nearby Monitoring Locations

Nearby Flood Warning Locations

Mimmshall Brook at Warrengate Road
The Mimmshall Brook at Warrengate Road including Water End

No current or recent warnings.

Mimmshall Brook
The Mimmshall Brook at Warrengate Road including South Mimms, Potters Bar, Brookmans Park and Welham Green

No current or recent warnings.

River Colne at Colney Heath
The River Colne at Colney Heath including North Mymms

No current or recent warnings.

Upper River Colne and Radlett Brook
The Upper River Colne and Radlett Brook at Colney Heath, London Colney, Borehamwood and Radlett

No current or recent warnings.

River Colne at London Colney
The River Colne at London Colney including Colney Street and Broad Colney

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.

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