Groundwater level River Dour at Alkham Valley Borehole

Check for flood warnings in this area

Latest recorded level 44.01m at 6:00am Sunday 26 January 2020.

Groundwater levels at this location in the last 5 days

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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
2020-01-26T06:00Z	44.014	false
2020-01-26T05:00Z	44.014	false
2020-01-26T04:00Z	44.016	false
2020-01-26T03:00Z	44.016	false
2020-01-26T02:00Z	44.017	false
2020-01-26T01:00Z	44.017	false
2020-01-26T00:00Z	44.019	false
2020-01-25T23:00Z	44.019	false
2020-01-25T22:00Z	44.02	false
2020-01-25T21:00Z	44.02	false
2020-01-25T20:00Z	44.022	false
2020-01-25T19:00Z	44.023	false
2020-01-25T18:00Z	44.024	false
2020-01-25T17:00Z	44.025	false
2020-01-25T16:00Z	44.028	false
2020-01-25T15:00Z	44.029	false
2020-01-25T14:00Z	44.029	false
2020-01-25T13:00Z	44.029	false
2020-01-25T12:00Z	44.03	false
2020-01-25T11:00Z	44.031	false
2020-01-25T10:00Z	44.031	false
2020-01-25T09:00Z	44.033	false
2020-01-25T08:00Z	44.035	false
2020-01-25T07:00Z	44.037	false
2020-01-25T06:00Z	44.039	false
2020-01-25T05:00Z	44.04	false
2020-01-25T04:00Z	44.042	false
2020-01-25T03:00Z	44.043	false
2020-01-25T02:00Z	44.043	false
2020-01-25T01:00Z	44.045	false
2020-01-25T00:00Z	44.045	false
2020-01-24T23:00Z	44.046	false
2020-01-24T22:00Z	44.048	false
2020-01-24T21:00Z	44.048	false
2020-01-24T20:00Z	44.049	false
2020-01-24T19:00Z	44.051	false
2020-01-24T18:00Z	44.053	false
2020-01-24T17:00Z	44.054	false
2020-01-24T16:00Z	44.057	false
2020-01-24T15:00Z	44.058	false
2020-01-24T14:00Z	44.06	false
2020-01-24T13:00Z	44.059	false
2020-01-24T12:00Z	44.061	false
2020-01-24T11:00Z	44.061	false
2020-01-24T10:00Z	44.062	false
2020-01-24T09:00Z	44.064	false
2020-01-24T08:00Z	44.065	false
2020-01-24T07:00Z	44.068	false
2020-01-24T06:00Z	44.069	false
2020-01-24T05:00Z	44.071	false
2020-01-24T04:00Z	44.072	false
2020-01-24T03:00Z	44.073	false
2020-01-24T02:00Z	44.073	false
2020-01-24T01:00Z	44.073	false
2020-01-24T00:00Z	44.074	false
2020-01-23T23:00Z	44.074	false
2020-01-23T22:00Z	44.076	false
2020-01-23T21:00Z	44.077	false
2020-01-23T20:00Z	44.078	false
2020-01-23T19:00Z	44.079	false
2020-01-23T18:00Z	44.08	false
2020-01-23T17:00Z	44.081	false
2020-01-23T16:00Z	44.082	false
2020-01-23T15:00Z	44.082	false
2020-01-23T14:00Z	44.084	false
2020-01-23T13:00Z	44.083	false
2020-01-23T12:00Z	44.082	false
2020-01-23T11:00Z	44.083	false
2020-01-23T10:00Z	44.084	false
2020-01-23T09:00Z	44.085	false
2020-01-23T08:00Z	44.086	false
2020-01-23T07:00Z	44.087	false
2020-01-23T06:00Z	44.09	false
2020-01-23T05:00Z	44.091	false
2020-01-23T04:00Z	44.092	false
2020-01-23T03:00Z	44.092	false
2020-01-23T02:00Z	44.092	false
2020-01-23T01:00Z	44.093	false
2020-01-23T00:00Z	44.093	false
2020-01-22T23:00Z	44.095	false
2020-01-22T22:00Z	44.096	false
2020-01-22T21:00Z	44.096	false
2020-01-22T20:00Z	44.098	false
2020-01-22T19:00Z	44.099	false
2020-01-22T18:00Z	44.101	false
2020-01-22T17:00Z	44.104	false
2020-01-22T16:00Z	44.105	false
2020-01-22T15:00Z	44.107	false
2020-01-22T14:00Z	44.108	false
2020-01-22T13:00Z	44.108	false
2020-01-22T12:00Z	44.11	false
2020-01-22T11:00Z	44.11	false
2020-01-22T10:00Z	44.111	false
2020-01-22T09:00Z	44.114	false
2020-01-22T08:00Z	44.115	false
2020-01-22T07:00Z	44.117	false
2020-01-22T06:00Z	44.117	false
2020-01-22T05:00Z	44.12	false
2020-01-22T04:00Z	44.121	false
2020-01-22T03:00Z	44.122	false
2020-01-22T02:00Z	44.123	false
2020-01-22T01:00Z	44.125	false
2020-01-22T00:00Z	44.125	false
2020-01-21T23:00Z	44.125	false
2020-01-21T22:00Z	44.127	false
2020-01-21T21:00Z	44.128	false
2020-01-21T20:00Z	44.129	false
2020-01-21T19:00Z	44.131	false
2020-01-21T18:00Z	44.132	false
2020-01-21T17:00Z	44.134	false
2020-01-21T16:00Z	44.136	false
2020-01-21T15:00Z	44.138	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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