Groundwater Level at Alkham Valley Borehole

 

Current River Level: 35.015m, falling

Within the usual range for this location

Current level recorded at 7:00am, Monday 21st September BST
(6:00am, Monday 21st September GMT)

Change from previous measurement: -0.033m
(recorded at 7:00am, Sunday 20th September BST)

Important! The levels for this location are measured relative to sea level, not relative to the riverbed. The levels shown here do not, therefore, necessarily represent the actual depth of the water.

The usual range of the Groundwater Level at Alkham Valley Borehole is between 31.32m and 44.91m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Groundwater Level at Alkham Valley Borehole over the past 12 months has been between 32.96m and 45.48m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the Groundwater Level at Alkham Valley Borehole is 45.63m, reached on Thursday 14th December 2000 at 9:00am.

  • Monitoring Station: Alkham Valley Borehole
  • Watercourse: River Dour
  • Nearest Town/Village: Alkham
  • Local Authority: Dover
  • Ceremonial County: Kent
  • Environment Agency Location ID: 1480SO
  • Environment Agency Gauge ID: 1480SO-level-groundwater-i-1_h-mAOD
  • Catchment Area: Stour
  • UK Hydrometric Area: Kent Rivers Group
  • Environment Agency Region: Southern
  • Level Datum: Above Ordnance Datum (AOD)

Nearby Monitoring Locations

Other monitoring locations on the Groundwater Level
Groundwater Level Map
Taming the Flood by Jeremy Purseglove

Nearby Flood Warning Locations

Coast from St Margaret's at Cliffe to Sandgate
Areas at risk of coastal flooding from St Margaret's at Cliffe to Sandgate, including Dover and Folkestone

No current or recent warnings.

Coast at Dover and Folkestone
Areas at risk of coastal flooding from St Margaret's at Cliffe to Folkestone, including Sandgate and Dover

No current or recent warnings.

Pent Stream at Folkestone
Areas at risk of flooding from the Pent Stream between Folkestone Fire Station and the viaduct including Pavilion Road, Black Bull Road and Bradstone Avenue

No current or recent warnings.

Pent Stream in Folkestone
The Pent Stream area from Cheriton to Folkestone Harbour

No current or recent warnings.

Groundwater Flooding in the Nailbourne Catchment
Areas at risk of Groundwater Flooding in the Nailbourne Catchment, including Lyminge, Elham, Barham, Bridge, Bekesbourne, Littlebourne and Wickhambreaux

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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