Groundwater level River Swale at Riddles Lane GWL

Check for flood warnings in this area

Latest recorded level 17.82m at 7:00am Thursday 22 August 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
2019-08-22T06:00Z	17.823	false
2019-08-22T05:00Z	17.825	false
2019-08-22T04:00Z	17.827	false
2019-08-22T03:00Z	17.829	false
2019-08-22T02:00Z	17.83	false
2019-08-22T01:00Z	17.832	false
2019-08-22T00:00Z	17.834	false
2019-08-21T23:00Z	17.834	false
2019-08-21T22:00Z	17.836	false
2019-08-21T21:00Z	17.838	false
2019-08-21T20:00Z	17.838	false
2019-08-21T19:00Z	17.84	false
2019-08-21T18:00Z	17.841	false
2019-08-21T17:00Z	17.843	false
2019-08-21T16:00Z	17.844	false
2019-08-21T15:00Z	17.844	false
2019-08-21T14:00Z	17.846	false
2019-08-21T13:00Z	17.847	false
2019-08-21T12:00Z	17.848	false
2019-08-21T11:00Z	17.85	false
2019-08-21T10:00Z	17.851	false
2019-08-21T09:00Z	17.852	false
2019-08-21T08:00Z	17.856	false
2019-08-21T07:00Z	17.858	false
2019-08-21T06:00Z	17.861	false
2019-08-21T05:00Z	17.862	false
2019-08-21T04:00Z	17.864	false
2019-08-21T03:00Z	17.865	false
2019-08-21T02:00Z	17.866	false
2019-08-21T01:00Z	17.868	false
2019-08-21T00:00Z	17.868	false
2019-08-20T23:00Z	17.87	false
2019-08-20T22:00Z	17.871	false
2019-08-20T21:00Z	17.872	false
2019-08-20T20:00Z	17.873	false
2019-08-20T19:00Z	17.875	false
2019-08-20T18:00Z	17.875	false
2019-08-20T17:00Z	17.876	false
2019-08-20T16:00Z	17.878	false
2019-08-20T15:00Z	17.879	false
2019-08-20T14:00Z	17.88	false
2019-08-20T13:00Z	17.88	false
2019-08-20T12:00Z	17.881	false
2019-08-20T11:00Z	17.883	false
2019-08-20T10:00Z	17.886	false
2019-08-20T09:00Z	17.889	false
2019-08-20T08:00Z	17.89	false
2019-08-20T07:00Z	17.893	false
2019-08-20T06:00Z	17.896	false
2019-08-20T05:00Z	17.898	false
2019-08-20T04:00Z	17.899	false
2019-08-20T03:00Z	17.901	false
2019-08-20T02:00Z	17.902	false
2019-08-20T01:00Z	17.903	false
2019-08-20T00:00Z	17.905	false
2019-08-19T23:00Z	17.906	false
2019-08-19T22:00Z	17.907	false
2019-08-19T21:00Z	17.908	false
2019-08-19T20:00Z	17.911	false
2019-08-19T19:00Z	17.912	false
2019-08-19T18:00Z	17.914	false
2019-08-19T17:00Z	17.915	false
2019-08-19T16:00Z	17.917	false
2019-08-19T15:00Z	17.918	false
2019-08-19T14:00Z	17.921	false
2019-08-19T13:00Z	17.92	false
2019-08-19T12:00Z	17.922	false
2019-08-19T11:00Z	17.924	false
2019-08-19T10:00Z	17.928	false
2019-08-19T09:00Z	17.929	false
2019-08-19T08:00Z	17.933	false
2019-08-19T07:00Z	17.938	false
2019-08-19T06:00Z	17.941	false
2019-08-19T05:00Z	17.944	false
2019-08-19T04:00Z	17.945	false
2019-08-19T03:00Z	17.947	false
2019-08-19T02:00Z	17.949	false
2019-08-19T01:00Z	17.952	false
2019-08-19T00:00Z	17.953	false
2019-08-18T23:00Z	17.956	false
2019-08-18T22:00Z	17.958	false
2019-08-18T21:00Z	17.96	false
2019-08-18T20:00Z	17.962	false
2019-08-18T19:00Z	17.965	false
2019-08-18T18:00Z	17.967	false
2019-08-18T17:00Z	17.969	false
2019-08-18T16:00Z	17.971	false
2019-08-18T15:00Z	17.972	false
2019-08-18T14:00Z	17.974	false
2019-08-18T13:00Z	17.976	false
2019-08-18T12:00Z	17.977	false
2019-08-18T11:00Z	17.981	false
2019-08-18T10:00Z	17.982	false
2019-08-18T09:00Z	17.986	false
2019-08-18T08:00Z	17.99	false
2019-08-18T07:00Z	17.994	false
2019-08-18T06:00Z	17.998	false
2019-08-18T05:00Z	17.999	false
2019-08-18T04:00Z	18.001	false
2019-08-18T03:00Z	18.001	false
2019-08-18T02:00Z	18.003	false
2019-08-18T01:00Z	18.005	false
2019-08-18T00:00Z	18.006	false
2019-08-17T23:00Z	18.007	false
2019-08-17T22:00Z	18.01	false
2019-08-17T21:00Z	18.012	false
2019-08-17T20:00Z	18.012	false
2019-08-17T19:00Z	18.015	false
2019-08-17T18:00Z	18.017	false
2019-08-17T17:00Z	18.019	false
2019-08-17T16:00Z	18.02	false
2019-08-17T15:00Z	18.022	false
2019-08-17T14:00Z	18.023	false
2019-08-17T13:00Z	18.024	false
2019-08-17T12:00Z	18.026	false
2019-08-17T11:00Z	18.029	false
2019-08-17T10:00Z	18.03	false
2019-08-17T09:00Z	18.032	false
2019-08-17T08:00Z	18.034	false
2019-08-17T07:00Z	18.038	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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