Groundwater level River Dour at Alkham Valley Borehole

Check for flood warnings in this area

Latest recorded level 39.16m at 6:00am Saturday 16 February 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
2019-02-16T06:00Z	39.157	false
2019-02-16T05:00Z	39.157	false
2019-02-16T04:00Z	39.154	false
2019-02-16T03:00Z	39.152	false
2019-02-16T02:00Z	39.15	false
2019-02-16T01:00Z	39.148	false
2019-02-16T00:00Z	39.145	false
2019-02-15T23:00Z	39.143	false
2019-02-15T22:00Z	39.14	false
2019-02-15T21:00Z	39.138	false
2019-02-15T20:00Z	39.136	false
2019-02-15T19:00Z	39.134	false
2019-02-15T18:00Z	39.131	false
2019-02-15T17:00Z	39.129	false
2019-02-15T16:00Z	39.128	false
2019-02-15T15:00Z	39.125	false
2019-02-15T14:00Z	39.122	false
2019-02-15T13:00Z	39.119	false
2019-02-15T12:00Z	39.117	false
2019-02-15T11:00Z	39.114	false
2019-02-15T10:00Z	39.112	false
2019-02-15T09:00Z	39.11	false
2019-02-15T08:00Z	39.108	false
2019-02-15T07:00Z	39.107	false
2019-02-15T06:00Z	39.104	false
2019-02-15T05:00Z	39.102	false
2019-02-15T04:00Z	39.101	false
2019-02-15T03:00Z	39.098	false
2019-02-15T02:00Z	39.095	false
2019-02-15T01:00Z	39.092	false
2019-02-15T00:00Z	39.09	false
2019-02-14T23:00Z	39.087	false
2019-02-14T22:00Z	39.085	false
2019-02-14T21:00Z	39.083	false
2019-02-14T20:00Z	39.081	false
2019-02-14T19:00Z	39.079	false
2019-02-14T18:00Z	39.077	false
2019-02-14T17:00Z	39.075	false
2019-02-14T16:00Z	39.073	false
2019-02-14T15:00Z	39.071	false
2019-02-14T14:00Z	39.069	false
2019-02-14T13:00Z	39.066	false
2019-02-14T12:00Z	39.063	false
2019-02-14T11:00Z	39.061	false
2019-02-14T10:00Z	39.06	false
2019-02-14T09:00Z	39.06	false
2019-02-14T08:00Z	39.058	false
2019-02-14T07:00Z	39.056	false
2019-02-14T06:00Z	39.055	false
2019-02-14T05:00Z	39.053	false
2019-02-14T04:00Z	39.051	false
2019-02-14T03:00Z	39.05	false
2019-02-14T02:00Z	39.048	false
2019-02-14T01:00Z	39.046	false
2019-02-14T00:00Z	39.044	false
2019-02-13T23:00Z	39.043	false
2019-02-13T22:00Z	39.041	false
2019-02-13T21:00Z	39.039	false
2019-02-13T20:00Z	39.037	false
2019-02-13T19:00Z	39.036	false
2019-02-13T18:00Z	39.034	false
2019-02-13T17:00Z	39.032	false
2019-02-13T16:00Z	39.031	false
2019-02-13T15:00Z	39.03	false
2019-02-13T14:00Z	39.028	false
2019-02-13T13:00Z	39.026	false
2019-02-13T12:00Z	39.025	false
2019-02-13T11:00Z	39.022	false
2019-02-13T10:00Z	39.021	false
2019-02-13T09:00Z	39.02	false
2019-02-13T08:00Z	39.019	false
2019-02-13T07:00Z	39.017	false
2019-02-13T06:00Z	39.016	false
2019-02-13T05:00Z	39.014	false
2019-02-13T04:00Z	39.013	false
2019-02-13T03:00Z	39.012	false
2019-02-13T02:00Z	39.01	false
2019-02-13T01:00Z	39.008	false
2019-02-13T00:00Z	39.007	false
2019-02-12T23:00Z	39.006	false
2019-02-12T22:00Z	39.004	false
2019-02-12T21:00Z	39.004	false
2019-02-12T20:00Z	39.002	false
2019-02-12T19:00Z	39.001	false
2019-02-12T18:00Z	38.999	false
2019-02-12T17:00Z	38.999	false
2019-02-12T16:00Z	38.998	false
2019-02-12T15:00Z	38.997	false
2019-02-12T14:00Z	38.996	false
2019-02-12T13:00Z	38.995	false
2019-02-12T12:00Z	38.994	false
2019-02-12T11:00Z	38.992	false
2019-02-12T10:00Z	38.991	false
2019-02-12T09:00Z	38.99	false
2019-02-12T08:00Z	38.99	false
2019-02-12T07:00Z	38.989	false
2019-02-12T06:00Z	38.988	false
2019-02-12T05:00Z	38.987	false
2019-02-12T04:00Z	38.985	false
2019-02-12T03:00Z	38.983	false
2019-02-12T02:00Z	38.982	false
2019-02-12T01:00Z	38.98	false
2019-02-12T00:00Z	38.978	false
2019-02-11T23:00Z	38.977	false
2019-02-11T22:00Z	38.975	false
2019-02-11T21:00Z	38.975	false
2019-02-11T20:00Z	38.973	false
2019-02-11T19:00Z	38.972	false
2019-02-11T18:00Z	38.971	false
2019-02-11T17:00Z	38.971	false
2019-02-11T16:00Z	38.972	false
2019-02-11T15:00Z	38.972	false
2019-02-11T14:00Z	38.972	false
2019-02-11T13:00Z	38.972	false
2019-02-11T12:00Z	38.972	false
2019-02-11T11:00Z	38.972	false
2019-02-11T10:00Z	38.973	false
2019-02-11T09:00Z	38.973	false
2019-02-11T08:00Z	38.975	false
2019-02-11T07:00Z	38.976	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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