Flood Monitor

Your river, in focus

River Lee at Harpenden river level

Near Harpenden, Upper Lee catchment

0.82mASDsteady 24h
typical low 0.70record 1.69

The River Lee at Harpenden is currently 0.82 mASD, steady over the last 24 hours.

This is within the station's typical range (0.70–1.30 mASD), 0.48 mASD below the level at which it is considered high.

The highest level on record here is 1.69 mASD.

Measurements

Current level
0.82 mASD
Typical range
0.70–1.30 mASD
Below typical high by
0.48 mASD
Highest on record
1.69 mASD
River
River Lee
Nearest town
Harpenden
Catchment
Upper Lee
EA station reference
4650TH
Last updated
Tue, 03 Nov 2026 00:30:00 GMT

Last 7 days

↑ record 1.690.680.770.8727 Oct3 Nov

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