Groundwater level River Swale at Riddles Lane GWL

Check for flood warnings in this area

Latest recorded level 18.62m at 6:00am Thursday 12 December 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
2019-12-12T06:00Z	18.621	false
2019-12-12T05:00Z	18.62	false
2019-12-12T04:00Z	18.619	false
2019-12-12T03:00Z	18.617	false
2019-12-12T02:00Z	18.616	false
2019-12-12T01:00Z	18.616	false
2019-12-12T00:00Z	18.614	false
2019-12-11T23:00Z	18.616	false
2019-12-11T22:00Z	18.614	false
2019-12-11T21:00Z	18.616	false
2019-12-11T20:00Z	18.618	false
2019-12-11T19:00Z	18.621	false
2019-12-11T18:00Z	18.623	false
2019-12-11T17:00Z	18.625	false
2019-12-11T16:00Z	18.626	false
2019-12-11T15:00Z	18.627	false
2019-12-11T14:00Z	18.625	false
2019-12-11T13:00Z	18.624	false
2019-12-11T12:00Z	18.622	false
2019-12-11T11:00Z	18.621	false
2019-12-11T10:00Z	18.618	false
2019-12-11T09:00Z	18.617	false
2019-12-11T08:00Z	18.617	false
2019-12-11T07:00Z	18.617	false
2019-12-11T06:00Z	18.616	false
2019-12-11T05:00Z	18.615	false
2019-12-11T04:00Z	18.613	false
2019-12-11T03:00Z	18.612	false
2019-12-11T02:00Z	18.609	false
2019-12-11T01:00Z	18.606	false
2019-12-11T00:00Z	18.606	false
2019-12-10T23:00Z	18.604	false
2019-12-10T22:00Z	18.605	false
2019-12-10T21:00Z	18.609	false
2019-12-10T20:00Z	18.609	false
2019-12-10T19:00Z	18.61	false
2019-12-10T18:00Z	18.613	false
2019-12-10T17:00Z	18.609	false
2019-12-10T16:00Z	18.609	false
2019-12-10T15:00Z	18.603	false
2019-12-10T14:00Z	18.602	false
2019-12-10T13:00Z	18.6	false
2019-12-10T12:00Z	18.595	false
2019-12-10T11:00Z	18.593	false
2019-12-10T10:00Z	18.589	false
2019-12-10T09:00Z	18.588	false
2019-12-10T08:00Z	18.583	false
2019-12-10T07:00Z	18.582	false
2019-12-10T06:00Z	18.577	false
2019-12-10T05:00Z	18.577	false
2019-12-10T04:00Z	18.574	false
2019-12-10T03:00Z	18.57	false
2019-12-10T02:00Z	18.57	false
2019-12-10T01:00Z	18.569	false
2019-12-10T00:00Z	18.566	false
2019-12-09T23:00Z	18.565	false
2019-12-09T22:00Z	18.562	false
2019-12-09T21:00Z	18.56	false
2019-12-09T20:00Z	18.56	false
2019-12-09T19:00Z	18.56	false
2019-12-09T18:00Z	18.564	false
2019-12-09T17:00Z	18.564	false
2019-12-09T16:00Z	18.567	false
2019-12-09T15:00Z	18.57	false
2019-12-09T14:00Z	18.571	false
2019-12-09T13:00Z	18.574	false
2019-12-09T12:00Z	18.576	false
2019-12-09T11:00Z	18.58	false
2019-12-09T10:00Z	18.58	false
2019-12-09T09:00Z	18.585	false
2019-12-09T08:00Z	18.592	false
2019-12-09T07:00Z	18.597	false
2019-12-09T06:00Z	18.604	false
2019-12-09T05:00Z	18.609	false
2019-12-09T04:00Z	18.613	false
2019-12-09T03:00Z	18.614	false
2019-12-09T02:00Z	18.619	false
2019-12-09T01:00Z	18.624	false
2019-12-09T00:00Z	18.624	false
2019-12-08T23:00Z	18.62	false
2019-12-08T22:00Z	18.618	false
2019-12-08T21:00Z	18.614	false
2019-12-08T20:00Z	18.614	false
2019-12-08T19:00Z	18.615	false
2019-12-08T18:00Z	18.615	false
2019-12-08T17:00Z	18.614	false
2019-12-08T16:00Z	18.615	false
2019-12-08T15:00Z	18.617	false
2019-12-08T14:00Z	18.618	false
2019-12-08T13:00Z	18.619	false
2019-12-08T12:00Z	18.617	false
2019-12-08T11:00Z	18.616	false
2019-12-08T10:00Z	18.614	false
2019-12-08T09:00Z	18.617	false
2019-12-08T08:00Z	18.619	false
2019-12-08T07:00Z	18.621	false
2019-12-08T06:00Z	18.629	false
2019-12-08T05:00Z	18.63	false
2019-12-08T04:00Z	18.631	false
2019-12-08T03:00Z	18.629	false
2019-12-08T02:00Z	18.629	false
2019-12-08T01:00Z	18.628	false
2019-12-08T00:00Z	18.624	false
2019-12-07T23:00Z	18.622	false
2019-12-07T22:00Z	18.62	false
2019-12-07T21:00Z	18.621	false
2019-12-07T20:00Z	18.618	false
2019-12-07T19:00Z	18.618	false
2019-12-07T18:00Z	18.617	false
2019-12-07T17:00Z	18.619	false
2019-12-07T16:00Z	18.62	false
2019-12-07T15:00Z	18.621	false
2019-12-07T14:00Z	18.624	false
2019-12-07T13:00Z	18.623	false
2019-12-07T12:00Z	18.624	false
2019-12-07T11:00Z	18.626	false
2019-12-07T10:00Z	18.624	false
2019-12-07T09:00Z	18.627	false
2019-12-07T08:00Z	18.629	false
2019-12-07T07:00Z	18.627	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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