Flood Monitor

Your river, in focus

River Blackwater at Tongham river level

Near Ash, Loddon catchment

0.65mASDsteady 24h
typical low 0.56record 1.79

The River Blackwater at Tongham is currently 0.65 mASD, steady over the last 24 hours.

This is within the station's typical range (0.56–1.50 mASD), 0.85 mASD below the level at which it is considered high.

The highest level on record here is 1.79 mASD.

Measurements

Current level
0.65 mASD
Typical range
0.56–1.50 mASD
Below typical high by
0.85 mASD
Highest on record
1.79 mASD
River
River Blackwater
Nearest town
Ash
Catchment
Loddon
EA station reference
2419TH
Last updated
Fri, 18 Sep 2026 23:15:00 GMT

Last 7 days

↑ record 1.790.630.650.6712 Sept18 Sept

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