Groundwater level River Swale at Riddles Lane GWL

Check for flood warnings in this area

Latest recorded level 18.12m at 7:00am Friday 18 October 2019.

Groundwater levels at this location in the last 5 days

Now
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• Measured level
• When the water level reaches 23.17m 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
2019-10-18T06:00Z	18.119	false
2019-10-18T05:00Z	18.119	false
2019-10-18T04:00Z	18.116	false
2019-10-18T03:00Z	18.11	false
2019-10-18T02:00Z	18.11	false
2019-10-18T01:00Z	18.107	false
2019-10-18T00:00Z	18.103	false
2019-10-17T23:00Z	18.101	false
2019-10-17T22:00Z	18.1	false
2019-10-17T21:00Z	18.099	false
2019-10-17T20:00Z	18.098	false
2019-10-17T19:00Z	18.097	false
2019-10-17T18:00Z	18.095	false
2019-10-17T17:00Z	18.095	false
2019-10-17T16:00Z	18.092	false
2019-10-17T15:00Z	18.092	false
2019-10-17T14:00Z	18.09	false
2019-10-17T13:00Z	18.09	false
2019-10-17T12:00Z	18.087	false
2019-10-17T11:00Z	18.083	false
2019-10-17T10:00Z	18.083	false
2019-10-17T09:00Z	18.084	false
2019-10-17T08:00Z	18.083	false
2019-10-17T07:00Z	18.083	false
2019-10-17T06:00Z	18.083	false
2019-10-17T05:00Z	18.081	false
2019-10-17T04:00Z	18.08	false
2019-10-17T03:00Z	18.077	false
2019-10-17T02:00Z	18.076	false
2019-10-17T01:00Z	18.074	false
2019-10-17T00:00Z	18.072	false
2019-10-16T23:00Z	18.071	false
2019-10-16T22:00Z	18.071	false
2019-10-16T21:00Z	18.071	false
2019-10-16T20:00Z	18.072	false
2019-10-16T19:00Z	18.071	false
2019-10-16T18:00Z	18.071	false
2019-10-16T17:00Z	18.071	false
2019-10-16T16:00Z	18.07	false
2019-10-16T15:00Z	18.067	false
2019-10-16T14:00Z	18.063	false
2019-10-16T13:00Z	18.063	false
2019-10-16T12:00Z	18.061	false
2019-10-16T11:00Z	18.06	false
2019-10-16T10:00Z	18.061	false
2019-10-16T09:00Z	18.061	false
2019-10-16T08:00Z	18.061	false
2019-10-16T07:00Z	18.06	false
2019-10-16T06:00Z	18.058	false
2019-10-16T05:00Z	18.054	false
2019-10-16T04:00Z	18.052	false
2019-10-16T03:00Z	18.049	false
2019-10-16T02:00Z	18.044	false
2019-10-16T01:00Z	18.039	false
2019-10-16T00:00Z	18.035	false
2019-10-15T23:00Z	18.032	false
2019-10-15T22:00Z	18.029	false
2019-10-15T21:00Z	18.026	false
2019-10-15T20:00Z	18.024	false
2019-10-15T19:00Z	18.022	false
2019-10-15T18:00Z	18.019	false
2019-10-15T17:00Z	18.018	false
2019-10-15T16:00Z	18.014	false
2019-10-15T15:00Z	18.011	false
2019-10-15T14:00Z	18.008	false
2019-10-15T13:00Z	18.003	false
2019-10-15T12:00Z	18	false
2019-10-15T11:00Z	17.997	false
2019-10-15T10:00Z	17.994	false
2019-10-15T09:00Z	17.994	false
2019-10-15T08:00Z	17.99	false
2019-10-15T07:00Z	17.989	false
2019-10-15T06:00Z	17.987	false
2019-10-15T05:00Z	17.983	false
2019-10-15T04:00Z	17.981	false
2019-10-15T03:00Z	17.98	false
2019-10-15T02:00Z	17.975	false
2019-10-15T01:00Z	17.969	false
2019-10-15T00:00Z	17.967	false
2019-10-14T23:00Z	17.965	false
2019-10-14T22:00Z	17.965	false
2019-10-14T21:00Z	17.962	false
2019-10-14T20:00Z	17.96	false
2019-10-14T19:00Z	17.96	false
2019-10-14T18:00Z	17.955	false
2019-10-14T17:00Z	17.952	false
2019-10-14T16:00Z	17.95	false
2019-10-14T15:00Z	17.949	false
2019-10-14T14:00Z	17.945	false
2019-10-14T13:00Z	17.941	false
2019-10-14T12:00Z	17.937	false
2019-10-14T11:00Z	17.931	false
2019-10-14T10:00Z	17.929	false
2019-10-14T09:00Z	17.926	false
2019-10-14T08:00Z	17.922	false
2019-10-14T07:00Z	17.919	false
2019-10-14T06:00Z	17.919	false
2019-10-14T05:00Z	17.917	false
2019-10-14T04:00Z	17.912	false
2019-10-14T03:00Z	17.909	false
2019-10-14T02:00Z	17.907	false
2019-10-14T01:00Z	17.903	false
2019-10-14T00:00Z	17.899	false
2019-10-13T23:00Z	17.896	false
2019-10-13T22:00Z	17.893	false
2019-10-13T21:00Z	17.89	false
2019-10-13T20:00Z	17.889	false
2019-10-13T19:00Z	17.889	false
2019-10-13T18:00Z	17.888	false
2019-10-13T17:00Z	17.886	false
2019-10-13T16:00Z	17.885	false
2019-10-13T15:00Z	17.884	false
2019-10-13T14:00Z	17.882	false
2019-10-13T13:00Z	17.881	false
2019-10-13T12:00Z	17.878	false
2019-10-13T11:00Z	17.877	false
2019-10-13T10:00Z	17.874	false
2019-10-13T09:00Z	17.872	false
2019-10-13T08:00Z	17.868	false
2019-10-13T07:00Z	17.867	false

Forecast data

About this location

• Station name: Riddles Lane GWL
• Station ID: 9135
• Highest level on record: 25.92m on 27 March 2014
• Lowest level on record: 11.49m on 08 October 2006
• Site datum: 40.80mAOD (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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