There is a flood warning within 5 miles of this measuring station

River Ray level at Grendon Underwood

Latest at 11:00pm on 24 November

• Height: 1.38m
• Trend: Rising
• State: High

Normal range 0.01m to 0.94m

Height in metres over the last 5 days

We take measurements more often as the risk of flooding increases.

Download data CSV (12KB)

How levels here could affect nearby areas

• 1.86m:
  Water reaches the highest level recorded at this measuring station (3 June 2008)
• 1.68m:
  Flood warning issued: River Ray from the Heath Bridge area to and including the Otmoor Basin
• 1.68m:
  Property flooding is possible above this level
• 1.38m:
  Latest level
• 0.94m:
  Top of normal range. Low-lying land flooding possible above this level. One or more flood alerts may be issued.

Flooding might not happen again at the same historical levels. This may be because flood management schemes are now in place.

How we measure river, sea and groundwater levels

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