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

State
Normal -0.01m to 0.25m level here
Height
0.19m at today
Download height data CSV (12KB)

How levels here could affect nearby areas

0.95m
Water reaches the highest level recorded at this measuring station (recorded on 23 November 1995)
0.25m
This is the top of the normal range
0.19m
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
7027

How we measure river, sea and groundwater levels

Share this page