Groundwater level Groundwater Level at Alkham Valley

Check for flood warnings in this area

Latest recorded level 44.32m at 7:00am Saturday 10 April 2021.

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
2021-04-10T06:00Z	44.316	false
2021-04-10T05:00Z	44.319	false
2021-04-10T04:00Z	44.323	false
2021-04-10T03:00Z	44.325	false
2021-04-10T02:00Z	44.328	false
2021-04-10T01:00Z	44.331	false
2021-04-10T00:00Z	44.333	false
2021-04-09T23:00Z	44.336	false
2021-04-09T22:00Z	44.338	false
2021-04-09T21:00Z	44.34	false
2021-04-09T20:00Z	44.343	false
2021-04-09T19:00Z	44.346	false
2021-04-09T18:00Z	44.348	false
2021-04-09T17:00Z	44.351	false
2021-04-09T16:00Z	44.353	false
2021-04-09T15:00Z	44.356	false
2021-04-09T14:00Z	44.358	false
2021-04-09T13:00Z	44.361	false
2021-04-09T12:00Z	44.364	false
2021-04-09T11:00Z	44.366	false
2021-04-09T10:00Z	44.369	false
2021-04-09T09:00Z	44.372	false
2021-04-09T08:00Z	44.373	false
2021-04-09T07:00Z	44.376	false
2021-04-09T06:00Z	44.379	false
2021-04-09T05:00Z	44.381	false
2021-04-09T04:00Z	44.383	false
2021-04-09T03:00Z	44.386	false
2021-04-09T02:00Z	44.387	false
2021-04-09T01:00Z	44.39	false
2021-04-09T00:00Z	44.392	false
2021-04-08T23:00Z	44.395	false
2021-04-08T22:00Z	44.397	false
2021-04-08T21:00Z	44.399	false
2021-04-08T20:00Z	44.401	false
2021-04-08T19:00Z	44.404	false
2021-04-08T18:00Z	44.406	false
2021-04-08T17:00Z	44.408	false
2021-04-08T16:00Z	44.409	false
2021-04-08T15:00Z	44.412	false
2021-04-08T14:00Z	44.414	false
2021-04-08T13:00Z	44.416	false
2021-04-08T12:00Z	44.418	false
2021-04-08T11:00Z	44.42	false
2021-04-08T10:00Z	44.423	false
2021-04-08T09:00Z	44.424	false
2021-04-08T08:00Z	44.426	false
2021-04-08T07:00Z	44.428	false
2021-04-08T06:00Z	44.431	false
2021-04-08T05:00Z	44.433	false
2021-04-08T04:00Z	44.436	false
2021-04-08T03:00Z	44.437	false
2021-04-08T02:00Z	44.439	false
2021-04-08T01:00Z	44.44	false
2021-04-08T00:00Z	44.442	false
2021-04-07T23:00Z	44.445	false
2021-04-07T22:00Z	44.446	false
2021-04-07T21:00Z	44.449	false
2021-04-07T20:00Z	44.451	false
2021-04-07T19:00Z	44.454	false
2021-04-07T18:00Z	44.455	false
2021-04-07T17:00Z	44.458	false
2021-04-07T16:00Z	44.459	false
2021-04-07T15:00Z	44.461	false
2021-04-07T14:00Z	44.463	false
2021-04-07T13:00Z	44.464	false
2021-04-07T12:00Z	44.467	false
2021-04-07T11:00Z	44.469	false
2021-04-07T10:00Z	44.47	false
2021-04-07T09:00Z	44.472	false
2021-04-07T08:00Z	44.474	false
2021-04-07T07:00Z	44.475	false
2021-04-07T06:00Z	44.476	false
2021-04-07T05:00Z	44.478	false
2021-04-07T04:00Z	44.48	false
2021-04-07T03:00Z	44.482	false
2021-04-07T02:00Z	44.484	false
2021-04-07T01:00Z	44.485	false
2021-04-07T00:00Z	44.487	false
2021-04-06T23:00Z	44.488	false
2021-04-06T22:00Z	44.489	false
2021-04-06T21:00Z	44.491	false
2021-04-06T20:00Z	44.493	false
2021-04-06T19:00Z	44.496	false
2021-04-06T18:00Z	44.498	false
2021-04-06T17:00Z	44.499	false
2021-04-06T16:00Z	44.501	false
2021-04-06T15:00Z	44.501	false
2021-04-06T14:00Z	44.504	false
2021-04-06T13:00Z	44.505	false
2021-04-06T12:00Z	44.507	false
2021-04-06T11:00Z	44.507	false
2021-04-06T10:00Z	44.509	false
2021-04-06T09:00Z	44.51	false
2021-04-06T08:00Z	44.511	false
2021-04-06T07:00Z	44.512	false
2021-04-06T06:00Z	44.514	false
2021-04-06T05:00Z	44.516	false
2021-04-06T04:00Z	44.516	false
2021-04-06T03:00Z	44.517	false
2021-04-06T02:00Z	44.519	false
2021-04-06T01:00Z	44.52	false
2021-04-06T00:00Z	44.52	false
2021-04-05T23:00Z	44.522	false
2021-04-05T22:00Z	44.523	false
2021-04-05T21:00Z	44.525	false
2021-04-05T20:00Z	44.525	false
2021-04-05T19:00Z	44.528	false
2021-04-05T18:00Z	44.53	false
2021-04-05T17:00Z	44.532	false
2021-04-05T16:00Z	44.533	false
2021-04-05T15:00Z	44.535	false
2021-04-05T14:00Z	44.536	false
2021-04-05T13:00Z	44.538	false
2021-04-05T12:00Z	44.539	false
2021-04-05T11:00Z	44.539	false
2021-04-05T10:00Z	44.542	false
2021-04-05T09:00Z	44.543	false
2021-04-05T08:00Z	44.545	false
2021-04-05T07:00Z	44.548	false

Forecast data

About this location

• Station name: Alkham Valley
• 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
• Check the long term flood risk for an area in England.

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