Groundwater level River Swale at Riddles Lane GWL

Check for flood warnings in this area

Latest recorded level 20.12m at 6:00am Saturday 25 January 2020.

Groundwater levels at this location in the last 5 days

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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
2020-01-25T06:00Z	20.122	false
2020-01-25T05:00Z	20.123	false
2020-01-25T04:00Z	20.123	false
2020-01-25T03:00Z	20.123	false
2020-01-25T02:00Z	20.121	false
2020-01-25T01:00Z	20.12	false
2020-01-25T00:00Z	20.119	false
2020-01-24T23:00Z	20.119	false
2020-01-24T22:00Z	20.121	false
2020-01-24T21:00Z	20.121	false
2020-01-24T20:00Z	20.121	false
2020-01-24T19:00Z	20.123	false
2020-01-24T18:00Z	20.124	false
2020-01-24T17:00Z	20.126	false
2020-01-24T16:00Z	20.128	false
2020-01-24T15:00Z	20.128	false
2020-01-24T14:00Z	20.129	false
2020-01-24T13:00Z	20.129	false
2020-01-24T12:00Z	20.127	false
2020-01-24T11:00Z	20.127	false
2020-01-24T10:00Z	20.127	false
2020-01-24T09:00Z	20.129	false
2020-01-24T08:00Z	20.129	false
2020-01-24T07:00Z	20.132	false
2020-01-24T06:00Z	20.133	false
2020-01-24T05:00Z	20.134	false
2020-01-24T04:00Z	20.135	false
2020-01-24T03:00Z	20.133	false
2020-01-24T02:00Z	20.131	false
2020-01-24T01:00Z	20.13	false
2020-01-24T00:00Z	20.128	false
2020-01-23T23:00Z	20.127	false
2020-01-23T22:00Z	20.126	false
2020-01-23T21:00Z	20.126	false
2020-01-23T20:00Z	20.127	false
2020-01-23T19:00Z	20.126	false
2020-01-23T18:00Z	20.127	false
2020-01-23T17:00Z	20.127	false
2020-01-23T16:00Z	20.128	false
2020-01-23T15:00Z	20.128	false
2020-01-23T14:00Z	20.128	false
2020-01-23T13:00Z	20.125	false
2020-01-23T12:00Z	20.122	false
2020-01-23T11:00Z	20.12	false
2020-01-23T10:00Z	20.117	false
2020-01-23T09:00Z	20.118	false
2020-01-23T08:00Z	20.118	false
2020-01-23T07:00Z	20.118	false
2020-01-23T06:00Z	20.119	false
2020-01-23T05:00Z	20.119	false
2020-01-23T04:00Z	20.117	false
2020-01-23T03:00Z	20.115	false
2020-01-23T02:00Z	20.113	false
2020-01-23T01:00Z	20.112	false
2020-01-23T00:00Z	20.108	false
2020-01-22T23:00Z	20.106	false
2020-01-22T22:00Z	20.105	false
2020-01-22T21:00Z	20.105	false
2020-01-22T20:00Z	20.103	false
2020-01-22T19:00Z	20.104	false
2020-01-22T18:00Z	20.105	false
2020-01-22T17:00Z	20.104	false
2020-01-22T16:00Z	20.105	false
2020-01-22T15:00Z	20.105	false
2020-01-22T14:00Z	20.106	false
2020-01-22T13:00Z	20.103	false
2020-01-22T12:00Z	20.104	false
2020-01-22T11:00Z	20.1	false
2020-01-22T10:00Z	20.099	false
2020-01-22T09:00Z	20.1	false
2020-01-22T08:00Z	20.099	false
2020-01-22T07:00Z	20.1	false
2020-01-22T06:00Z	20.099	false
2020-01-22T05:00Z	20.102	false
2020-01-22T04:00Z	20.1	false
2020-01-22T03:00Z	20.099	false
2020-01-22T02:00Z	20.097	false
2020-01-22T01:00Z	20.096	false
2020-01-22T00:00Z	20.093	false
2020-01-21T23:00Z	20.091	false
2020-01-21T22:00Z	20.089	false
2020-01-21T21:00Z	20.089	false
2020-01-21T20:00Z	20.087	false
2020-01-21T19:00Z	20.087	false
2020-01-21T18:00Z	20.086	false
2020-01-21T17:00Z	20.084	false
2020-01-21T16:00Z	20.084	false
2020-01-21T15:00Z	20.082	false
2020-01-21T14:00Z	20.081	false
2020-01-21T13:00Z	20.079	false
2020-01-21T12:00Z	20.077	false
2020-01-21T11:00Z	20.074	false
2020-01-21T10:00Z	20.074	false
2020-01-21T09:00Z	20.075	false
2020-01-21T08:00Z	20.079	false
2020-01-21T07:00Z	20.076	false
2020-01-21T06:00Z	20.076	false
2020-01-21T05:00Z	20.075	false
2020-01-21T04:00Z	20.076	false
2020-01-21T03:00Z	20.074	false
2020-01-21T02:00Z	20.072	false
2020-01-21T01:00Z	20.071	false
2020-01-21T00:00Z	20.068	false
2020-01-20T23:00Z	20.066	false
2020-01-20T22:00Z	20.063	false
2020-01-20T21:00Z	20.062	false
2020-01-20T20:00Z	20.061	false
2020-01-20T19:00Z	20.06	false
2020-01-20T18:00Z	20.058	false
2020-01-20T17:00Z	20.058	false
2020-01-20T16:00Z	20.055	false
2020-01-20T15:00Z	20.054	false
2020-01-20T14:00Z	20.054	false
2020-01-20T13:00Z	20.052	false
2020-01-20T12:00Z	20.05	false
2020-01-20T11:00Z	20.048	false
2020-01-20T10:00Z	20.047	false
2020-01-20T09:00Z	20.049	false
2020-01-20T08:00Z	20.047	false
2020-01-20T07:00Z	20.048	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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