Flood Monitor

Your river, in focus

Cannon Brook at Howletts Lane, Ruislip river level

Near Howletts Lane, Pinn catchment

0.07mASD-0.02 falling 24h
typical low 0.02record 1.10

The Cannon Brook at Howletts Lane, Ruislip is currently 0.07 mASD, falling over the last 24 hours.

This is within the station's typical range (0.02–0.82 mASD), 0.75 mASD below the level at which it is considered high.

The highest level on record here is 1.10 mASD.

Measurements

Current level
0.07 mASD
Typical range
0.02–0.82 mASD
Below typical high by
0.75 mASD
Highest on record
1.10 mASD
River
Cannon Brook
Nearest town
Howletts Lane
Catchment
Pinn
EA station reference
2805TH
Last updated
Fri, 18 Sep 2026 10:00:00 GMT

Last 7 days

↑ record 1.100.010.080.1612 Sept18 Sept

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