River Thames level upstream at St Johns Lock

This measuring station takes 2 measurements. You're viewing the upstream level. View the downstream level.

Station summary

Normal -0.01m to 0.25m
0.10m at on 1/02/23
Download height data CSV (12KB)

How levels here could affect nearby areas

Water reaches the highest level recorded at this measuring station (recorded on 23 November 1995)
This is the top of the normal range
Latest level

No two flood events are the same. Flooding might not happen again at the same historical levels if, for example, flood defences are now in place.

View technical information for this measuring station
Site datum
71.22m (Above Ordnance Datum)
Station name
St Johns Lock
Normal range
-0.01m to 0.25m
Station ID

How we measure river, sea and groundwater levels

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