Groundwater level Groundwater Level at Alkham Valley

Check for flood warnings in this area

Latest recorded level 43.45m at 6:00am Sunday 17 January 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
2021-01-17T06:00Z	43.45	false
2021-01-17T05:00Z	43.44	false
2021-01-17T04:00Z	43.431	false
2021-01-17T03:00Z	43.421	false
2021-01-17T02:00Z	43.411	false
2021-01-17T01:00Z	43.402	false
2021-01-17T00:00Z	43.392	false
2021-01-16T23:00Z	43.382	false
2021-01-16T22:00Z	43.373	false
2021-01-16T21:00Z	43.363	false
2021-01-16T20:00Z	43.353	false
2021-01-16T19:00Z	43.344	false
2021-01-16T18:00Z	43.333	false
2021-01-16T17:00Z	43.322	false
2021-01-16T16:00Z	43.309	false
2021-01-16T15:00Z	43.295	false
2021-01-16T14:00Z	43.28	false
2021-01-16T13:00Z	43.265	false
2021-01-16T12:00Z	43.249	false
2021-01-16T11:00Z	43.234	false
2021-01-16T10:00Z	43.219	false
2021-01-16T09:00Z	43.209	false
2021-01-16T08:00Z	43.198	false
2021-01-16T07:00Z	43.188	false
2021-01-16T06:00Z	43.178	false
2021-01-16T05:00Z	43.169	false
2021-01-16T04:00Z	43.16	false
2021-01-16T03:00Z	43.151	false
2021-01-16T02:00Z	43.14	false
2021-01-16T01:00Z	43.132	false
2021-01-16T00:00Z	43.124	false
2021-01-15T23:00Z	43.116	false
2021-01-15T22:00Z	43.108	false
2021-01-15T21:00Z	43.1	false
2021-01-15T20:00Z	43.093	false
2021-01-15T19:00Z	43.086	false
2021-01-15T18:00Z	43.079	false
2021-01-15T17:00Z	43.073	false
2021-01-15T16:00Z	43.065	false
2021-01-15T15:00Z	43.059	false
2021-01-15T14:00Z	43.053	false
2021-01-15T13:00Z	43.046	false
2021-01-15T12:00Z	43.041	false
2021-01-15T11:00Z	43.034	false
2021-01-15T10:00Z	43.028	false
2021-01-15T09:00Z	43.024	false
2021-01-15T08:00Z	43.02	false
2021-01-15T07:00Z	43.016	false
2021-01-15T06:00Z	43.011	false
2021-01-15T05:00Z	43.008	false
2021-01-15T04:00Z	43.004	false
2021-01-15T03:00Z	43	false
2021-01-15T02:00Z	42.996	false
2021-01-15T01:00Z	42.992	false
2021-01-15T00:00Z	42.989	false
2021-01-14T23:00Z	42.985	false
2021-01-14T22:00Z	42.982	false
2021-01-14T21:00Z	42.978	false
2021-01-14T20:00Z	42.975	false
2021-01-14T19:00Z	42.97	false
2021-01-14T18:00Z	42.964	false
2021-01-14T17:00Z	42.957	false
2021-01-14T16:00Z	42.949	false
2021-01-14T15:00Z	42.939	false
2021-01-14T14:00Z	42.927	false
2021-01-14T13:00Z	42.913	false
2021-01-14T12:00Z	42.899	false
2021-01-14T11:00Z	42.887	false
2021-01-14T10:00Z	42.876	false
2021-01-14T09:00Z	42.867	false
2021-01-14T08:00Z	42.86	false
2021-01-14T07:00Z	42.855	false
2021-01-14T06:00Z	42.847	false
2021-01-14T05:00Z	42.841	false
2021-01-14T04:00Z	42.836	false
2021-01-14T03:00Z	42.831	false
2021-01-14T02:00Z	42.826	false
2021-01-14T01:00Z	42.822	false
2021-01-14T00:00Z	42.819	false
2021-01-13T23:00Z	42.815	false
2021-01-13T22:00Z	42.813	false
2021-01-13T21:00Z	42.81	false
2021-01-13T20:00Z	42.807	false
2021-01-13T19:00Z	42.804	false
2021-01-13T18:00Z	42.802	false
2021-01-13T17:00Z	42.799	false
2021-01-13T16:00Z	42.796	false
2021-01-13T15:00Z	42.793	false
2021-01-13T14:00Z	42.79	false
2021-01-13T13:00Z	42.786	false
2021-01-13T12:00Z	42.781	false
2021-01-13T11:00Z	42.778	false
2021-01-13T10:00Z	42.775	false
2021-01-13T09:00Z	42.77	false
2021-01-13T08:00Z	42.767	false
2021-01-13T07:00Z	42.764	false
2021-01-13T06:00Z	42.761	false
2021-01-13T05:00Z	42.756	false
2021-01-13T04:00Z	42.753	false
2021-01-13T03:00Z	42.749	false
2021-01-13T02:00Z	42.747	false
2021-01-13T01:00Z	42.743	false
2021-01-13T00:00Z	42.74	false
2021-01-12T23:00Z	42.737	false
2021-01-12T22:00Z	42.735	false
2021-01-12T21:00Z	42.732	false
2021-01-12T20:00Z	42.73	false
2021-01-12T19:00Z	42.728	false
2021-01-12T18:00Z	42.726	false
2021-01-12T17:00Z	42.724	false
2021-01-12T16:00Z	42.723	false
2021-01-12T15:00Z	42.72	false
2021-01-12T14:00Z	42.719	false
2021-01-12T13:00Z	42.717	false
2021-01-12T12:00Z	42.714	false
2021-01-12T11:00Z	42.711	false
2021-01-12T10:00Z	42.709	false
2021-01-12T09:00Z	42.708	false
2021-01-12T08:00Z	42.705	false
2021-01-12T07:00Z	42.703	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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