Your river, in focus
River Ash at Knowle Green river level
Near Staines, Ash (Herts) catchment
0.42mASDsteady 24h
typical low 0.37record 1.16
The River Ash at Knowle Green is currently 0.42 mASD, steady over the last 24 hours.
This is within the station's typical range (0.37–0.81 mASD), 0.39 mASD below the level at which it is considered high.
The highest level on record here is 1.16 mASD.
Measurements
- Current level
- 0.42 mASD
- Typical range
- 0.37–0.81 mASD
- Below typical high by
- 0.39 mASD
- Highest on record
- 1.16 mASD
- River
- River Ash
- Nearest town
- Staines
- Catchment
- Ash (Herts)
- EA station reference
- 3115TH
- Last updated
- Fri, 18 Sep 2026 23:15:00 GMT
Last 7 days
Nearby stations
- River Ash at Staines Ash0.9 mi