Groundwater level Groundwater Level at Alkham Valley

Check for flood warnings in this area

Latest recorded level 34.84m at 7:00am Sunday 27 September 2020.

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
2020-09-27T06:00Z	34.843	false
2020-09-27T05:00Z	34.844	false
2020-09-27T04:00Z	34.845	false
2020-09-27T03:00Z	34.846	false
2020-09-27T02:00Z	34.847	false
2020-09-27T01:00Z	34.848	false
2020-09-27T00:00Z	34.849	false
2020-09-26T23:00Z	34.849	false
2020-09-26T22:00Z	34.849	false
2020-09-26T21:00Z	34.85	false
2020-09-26T20:00Z	34.851	false
2020-09-26T19:00Z	34.852	false
2020-09-26T18:00Z	34.852	false
2020-09-26T17:00Z	34.854	false
2020-09-26T16:00Z	34.854	false
2020-09-26T15:00Z	34.855	false
2020-09-26T14:00Z	34.857	false
2020-09-26T13:00Z	34.857	false
2020-09-26T12:00Z	34.858	false
2020-09-26T11:00Z	34.859	false
2020-09-26T10:00Z	34.859	false
2020-09-26T09:00Z	34.86	false
2020-09-26T08:00Z	34.861	false
2020-09-26T07:00Z	34.861	false
2020-09-26T06:00Z	34.862	false
2020-09-26T05:00Z	34.864	false
2020-09-26T04:00Z	34.865	false
2020-09-26T03:00Z	34.866	false
2020-09-26T02:00Z	34.868	false
2020-09-26T01:00Z	34.869	false
2020-09-26T00:00Z	34.87	false
2020-09-25T23:00Z	34.871	false
2020-09-25T22:00Z	34.872	false
2020-09-25T21:00Z	34.874	false
2020-09-25T20:00Z	34.875	false
2020-09-25T19:00Z	34.877	false
2020-09-25T18:00Z	34.878	false
2020-09-25T17:00Z	34.879	false
2020-09-25T16:00Z	34.881	false
2020-09-25T15:00Z	34.882	false
2020-09-25T14:00Z	34.884	false
2020-09-25T13:00Z	34.886	false
2020-09-25T12:00Z	34.888	false
2020-09-25T11:00Z	34.889	false
2020-09-25T10:00Z	34.89	false
2020-09-25T09:00Z	34.891	false
2020-09-25T08:00Z	34.893	false
2020-09-25T07:00Z	34.893	false
2020-09-25T06:00Z	34.895	false
2020-09-25T05:00Z	34.896	false
2020-09-25T04:00Z	34.897	false
2020-09-25T03:00Z	34.898	false
2020-09-25T02:00Z	34.899	false
2020-09-25T01:00Z	34.899	false
2020-09-25T00:00Z	34.9	false
2020-09-24T23:00Z	34.902	false
2020-09-24T22:00Z	34.902	false
2020-09-24T21:00Z	34.903	false
2020-09-24T20:00Z	34.904	false
2020-09-24T19:00Z	34.905	false
2020-09-24T18:00Z	34.905	false
2020-09-24T17:00Z	34.906	false
2020-09-24T16:00Z	34.908	false
2020-09-24T15:00Z	34.909	false
2020-09-24T14:00Z	34.91	false
2020-09-24T13:00Z	34.911	false
2020-09-24T12:00Z	34.914	false
2020-09-24T11:00Z	34.914	false
2020-09-24T10:00Z	34.916	false
2020-09-24T09:00Z	34.917	false
2020-09-24T08:00Z	34.919	false
2020-09-24T07:00Z	34.919	false
2020-09-24T06:00Z	34.922	false
2020-09-24T05:00Z	34.922	false
2020-09-24T04:00Z	34.924	false
2020-09-24T03:00Z	34.925	false
2020-09-24T02:00Z	34.927	false
2020-09-24T01:00Z	34.928	false
2020-09-24T00:00Z	34.929	false
2020-09-23T23:00Z	34.931	false
2020-09-23T22:00Z	34.932	false
2020-09-23T21:00Z	34.934	false
2020-09-23T20:00Z	34.935	false
2020-09-23T19:00Z	34.936	false
2020-09-23T18:00Z	34.938	false
2020-09-23T17:00Z	34.939	false
2020-09-23T16:00Z	34.94	false
2020-09-23T15:00Z	34.941	false
2020-09-23T14:00Z	34.942	false
2020-09-23T13:00Z	34.943	false
2020-09-23T12:00Z	34.946	false
2020-09-23T11:00Z	34.946	false
2020-09-23T10:00Z	34.947	false
2020-09-23T09:00Z	34.949	false
2020-09-23T08:00Z	34.95	false
2020-09-23T07:00Z	34.951	false
2020-09-23T06:00Z	34.952	false
2020-09-23T05:00Z	34.954	false
2020-09-23T04:00Z	34.955	false
2020-09-23T03:00Z	34.957	false
2020-09-23T02:00Z	34.958	false
2020-09-23T01:00Z	34.959	false
2020-09-23T00:00Z	34.961	false
2020-09-22T23:00Z	34.962	false
2020-09-22T22:00Z	34.963	false
2020-09-22T21:00Z	34.964	false
2020-09-22T20:00Z	34.965	false
2020-09-22T19:00Z	34.966	false
2020-09-22T18:00Z	34.967	false
2020-09-22T17:00Z	34.968	false
2020-09-22T16:00Z	34.969	false
2020-09-22T15:00Z	34.97	false
2020-09-22T14:00Z	34.971	false
2020-09-22T13:00Z	34.972	false
2020-09-22T12:00Z	34.974	false
2020-09-22T11:00Z	34.974	false
2020-09-22T10:00Z	34.975	false
2020-09-22T09:00Z	34.977	false
2020-09-22T08:00Z	34.978	false
2020-09-22T07:00Z	34.979	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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