Groundwater level River Dour at Alkham Valley Borehole

Check for flood warnings in this area

Latest recorded level 36.46m at 7:00am Tuesday 25 June 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
2019-06-25T06:00Z	36.458	false
2019-06-25T05:00Z	36.462	false
2019-06-25T04:00Z	36.461	false
2019-06-25T03:00Z	36.463	false
2019-06-25T02:00Z	36.465	false
2019-06-25T01:00Z	36.467	false
2019-06-25T00:00Z	36.468	false
2019-06-24T23:00Z	36.471	false
2019-06-24T22:00Z	36.472	false
2019-06-24T21:00Z	36.473	false
2019-06-24T20:00Z	36.475	false
2019-06-24T19:00Z	36.476	false
2019-06-24T18:00Z	36.478	false
2019-06-24T17:00Z	36.48	false
2019-06-24T16:00Z	36.482	false
2019-06-24T15:00Z	36.483	false
2019-06-24T14:00Z	36.485	false
2019-06-24T13:00Z	36.486	false
2019-06-24T12:00Z	36.488	false
2019-06-24T11:00Z	36.49	false
2019-06-24T10:00Z	36.494	false
2019-06-24T09:00Z	36.496	false
2019-06-24T08:00Z	36.499	false
2019-06-24T07:00Z	36.502	false
2019-06-24T06:00Z	36.504	false
2019-06-24T05:00Z	36.506	false
2019-06-24T04:00Z	36.509	false
2019-06-24T03:00Z	36.511	false
2019-06-24T02:00Z	36.514	false
2019-06-24T01:00Z	36.515	false
2019-06-24T00:00Z	36.517	false
2019-06-23T23:00Z	36.52	false
2019-06-23T22:00Z	36.521	false
2019-06-23T21:00Z	36.523	false
2019-06-23T20:00Z	36.525	false
2019-06-23T19:00Z	36.528	false
2019-06-23T18:00Z	36.529	false
2019-06-23T17:00Z	36.531	false
2019-06-23T16:00Z	36.533	false
2019-06-23T15:00Z	36.535	false
2019-06-23T14:00Z	36.537	false
2019-06-23T13:00Z	36.539	false
2019-06-23T12:00Z	36.541	false
2019-06-23T11:00Z	36.544	false
2019-06-23T10:00Z	36.547	false
2019-06-23T09:00Z	36.55	false
2019-06-23T08:00Z	36.552	false
2019-06-23T07:00Z	36.554	false
2019-06-23T06:00Z	36.557	false
2019-06-23T05:00Z	36.558	false
2019-06-23T04:00Z	36.56	false
2019-06-23T03:00Z	36.561	false
2019-06-23T02:00Z	36.562	false
2019-06-23T01:00Z	36.562	false
2019-06-23T00:00Z	36.563	false
2019-06-22T23:00Z	36.564	false
2019-06-22T22:00Z	36.564	false
2019-06-22T21:00Z	36.565	false
2019-06-22T20:00Z	36.565	false
2019-06-22T19:00Z	36.567	false
2019-06-22T18:00Z	36.568	false
2019-06-22T17:00Z	36.57	false
2019-06-22T16:00Z	36.572	false
2019-06-22T15:00Z	36.573	false
2019-06-22T14:00Z	36.575	false
2019-06-22T13:00Z	36.578	false
2019-06-22T12:00Z	36.579	false
2019-06-22T11:00Z	36.582	false
2019-06-22T10:00Z	36.585	false
2019-06-22T09:00Z	36.588	false
2019-06-22T08:00Z	36.59	false
2019-06-22T07:00Z	36.593	false
2019-06-22T06:00Z	36.595	false
2019-06-22T05:00Z	36.597	false
2019-06-22T04:00Z	36.599	false
2019-06-22T03:00Z	36.601	false
2019-06-22T02:00Z	36.603	false
2019-06-22T01:00Z	36.606	false
2019-06-22T00:00Z	36.608	false
2019-06-21T23:00Z	36.61	false
2019-06-21T22:00Z	36.612	false
2019-06-21T21:00Z	36.614	false
2019-06-21T20:00Z	36.616	false
2019-06-21T19:00Z	36.618	false
2019-06-21T18:00Z	36.62	false
2019-06-21T17:00Z	36.622	false
2019-06-21T16:00Z	36.625	false
2019-06-21T15:00Z	36.626	false
2019-06-21T14:00Z	36.629	false
2019-06-21T13:00Z	36.631	false
2019-06-21T12:00Z	36.634	false
2019-06-21T11:00Z	36.636	false
2019-06-21T10:00Z	36.638	false
2019-06-21T09:00Z	36.641	false
2019-06-21T08:00Z	36.644	false
2019-06-21T07:00Z	36.646	false
2019-06-21T06:00Z	36.647	false
2019-06-21T05:00Z	36.65	false
2019-06-21T04:00Z	36.652	false
2019-06-21T03:00Z	36.654	false
2019-06-21T02:00Z	36.656	false
2019-06-21T01:00Z	36.658	false
2019-06-21T00:00Z	36.66	false
2019-06-20T23:00Z	36.662	false
2019-06-20T22:00Z	36.664	false
2019-06-20T21:00Z	36.666	false
2019-06-20T20:00Z	36.668	false
2019-06-20T19:00Z	36.67	false
2019-06-20T18:00Z	36.671	false
2019-06-20T17:00Z	36.672	false
2019-06-20T16:00Z	36.675	false
2019-06-20T15:00Z	36.676	false
2019-06-20T14:00Z	36.678	false
2019-06-20T13:00Z	36.68	false
2019-06-20T12:00Z	36.682	false
2019-06-20T11:00Z	36.684	false
2019-06-20T10:00Z	36.688	false
2019-06-20T09:00Z	36.69	false
2019-06-20T08:00Z	36.693	false
2019-06-20T07:00Z	36.695	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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