Groundwater level River Dour at Alkham Valley Borehole

Check for flood warnings in this area

Latest recorded level 32.96m at 7:00am Friday 18 October 2019.

Groundwater levels at this location in the last 5 days

Now
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• Measured level
• When the water level reaches 44.91m here, minor flooding is possible in this area
• Highest recorded level. Hide
• Show highest recorded level

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Observed data

DateTime	Value	Error
2019-10-18T06:00Z	32.955	false
2019-10-18T05:00Z	32.954	false
2019-10-18T04:00Z	32.954	false
2019-10-18T03:00Z	32.952	false
2019-10-18T02:00Z	32.951	false
2019-10-18T01:00Z	32.951	false
2019-10-18T00:00Z	32.951	false
2019-10-17T23:00Z	32.951	false
2019-10-17T22:00Z	32.951	false
2019-10-17T21:00Z	32.951	false
2019-10-17T20:00Z	32.951	false
2019-10-17T19:00Z	32.951	false
2019-10-17T18:00Z	32.951	false
2019-10-17T17:00Z	32.951	false
2019-10-17T16:00Z	32.952	false
2019-10-17T15:00Z	32.953	false
2019-10-17T14:00Z	32.954	false
2019-10-17T13:00Z	32.954	false
2019-10-17T12:00Z	32.954	false
2019-10-17T11:00Z	32.954	false
2019-10-17T10:00Z	32.956	false
2019-10-17T09:00Z	32.956	false
2019-10-17T08:00Z	32.955	false
2019-10-17T07:00Z	32.957	false
2019-10-17T06:00Z	32.956	false
2019-10-17T05:00Z	32.956	false
2019-10-17T04:00Z	32.956	false
2019-10-17T03:00Z	32.955	false
2019-10-17T02:00Z	32.954	false
2019-10-17T01:00Z	32.953	false
2019-10-17T00:00Z	32.953	false
2019-10-16T23:00Z	32.951	false
2019-10-16T22:00Z	32.951	false
2019-10-16T21:00Z	32.951	false
2019-10-16T20:00Z	32.951	false
2019-10-16T19:00Z	32.951	false
2019-10-16T18:00Z	32.95	false
2019-10-16T17:00Z	32.951	false
2019-10-16T16:00Z	32.951	false
2019-10-16T15:00Z	32.951	false
2019-10-16T14:00Z	32.952	false
2019-10-16T13:00Z	32.953	false
2019-10-16T12:00Z	32.953	false
2019-10-16T11:00Z	32.954	false
2019-10-16T10:00Z	32.954	false
2019-10-16T09:00Z	32.956	false
2019-10-16T08:00Z	32.957	false
2019-10-16T07:00Z	32.957	false
2019-10-16T06:00Z	32.957	false
2019-10-16T05:00Z	32.956	false
2019-10-16T04:00Z	32.956	false
2019-10-16T03:00Z	32.956	false
2019-10-16T02:00Z	32.955	false
2019-10-16T01:00Z	32.954	false
2019-10-16T00:00Z	32.954	false
2019-10-15T23:00Z	32.954	false
2019-10-15T22:00Z	32.954	false
2019-10-15T21:00Z	32.954	false
2019-10-15T20:00Z	32.954	false
2019-10-15T19:00Z	32.954	false
2019-10-15T18:00Z	32.954	false
2019-10-15T17:00Z	32.953	false
2019-10-15T16:00Z	32.953	false
2019-10-15T15:00Z	32.953	false
2019-10-15T14:00Z	32.952	false
2019-10-15T13:00Z	32.952	false
2019-10-15T12:00Z	32.952	false
2019-10-15T11:00Z	32.951	false
2019-10-15T10:00Z	32.953	false
2019-10-15T09:00Z	32.953	false
2019-10-15T08:00Z	32.953	false
2019-10-15T07:00Z	32.953	false
2019-10-15T06:00Z	32.952	false
2019-10-15T05:00Z	32.952	false
2019-10-15T04:00Z	32.951	false
2019-10-15T03:00Z	32.951	false
2019-10-15T02:00Z	32.95	false
2019-10-15T01:00Z	32.949	false
2019-10-15T00:00Z	32.948	false
2019-10-14T23:00Z	32.947	false
2019-10-14T22:00Z	32.947	false
2019-10-14T21:00Z	32.946	false
2019-10-14T20:00Z	32.947	false
2019-10-14T19:00Z	32.947	false
2019-10-14T18:00Z	32.946	false
2019-10-14T17:00Z	32.946	false
2019-10-14T16:00Z	32.947	false
2019-10-14T15:00Z	32.947	false
2019-10-14T14:00Z	32.947	false
2019-10-14T13:00Z	32.947	false
2019-10-14T12:00Z	32.948	false
2019-10-14T11:00Z	32.948	false
2019-10-14T10:00Z	32.948	false
2019-10-14T09:00Z	32.948	false
2019-10-14T08:00Z	32.949	false
2019-10-14T07:00Z	32.949	false
2019-10-14T06:00Z	32.95	false
2019-10-14T05:00Z	32.95	false
2019-10-14T04:00Z	32.95	false
2019-10-14T03:00Z	32.95	false
2019-10-14T02:00Z	32.95	false
2019-10-14T01:00Z	32.95	false
2019-10-14T00:00Z	32.95	false
2019-10-13T23:00Z	32.95	false
2019-10-13T22:00Z	32.951	false
2019-10-13T21:00Z	32.951	false
2019-10-13T20:00Z	32.952	false
2019-10-13T19:00Z	32.952	false
2019-10-13T18:00Z	32.952	false
2019-10-13T17:00Z	32.953	false
2019-10-13T16:00Z	32.954	false
2019-10-13T15:00Z	32.954	false
2019-10-13T14:00Z	32.954	false
2019-10-13T13:00Z	32.954	false
2019-10-13T12:00Z	32.955	false
2019-10-13T11:00Z	32.956	false
2019-10-13T10:00Z	32.957	false
2019-10-13T09:00Z	32.957	false
2019-10-13T08:00Z	32.959	false
2019-10-13T07:00Z	32.959	false

Forecast data

About this location

• Station name: Alkham Valley Borehole
• Station ID: 9139
• Highest level on record: 45.63m on 14 December 2000
• Lowest level on record: 28.80m on 07 November 1996
• Site datum: 47.09mAOD (what does this mean?)

Can groundwater increase flood risk?

If groundwater height is below the level of a building, the risk of flooding from groundwater alone is unlikely. You can find out the height of any location using an ordnance survey map.

Flooding is more likely to occur when several things happen together, such as poor weather, high tides and high river and groundwater levels. You can find out more about the latest flood warning information in England and Wales.

How are groundwater levels measured?

The Environment Agency uses a network of boreholes accross the country. Each one has its own datum - a height in metres fixed relative to mean sea level. This height is expressed as metres above ordnance datum (mAOD).
The groundwater levels we provide for each borehole are all relative to its site datum.

How often are groundwater levels measured?

The data we collect is fed into this service once a day under normal conditions.
We increase this frequency whenever there's a greater risk of flooding.

• View nearby measuring stations

• View the flood information service for England
• View your property's long term risk of flooding

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