River Levels
River Levels

River Ash at Staines Ash (Downstream)

Current River Level

0.040m

At 1:45am, Wednesday 9th October GMT

Within the usual range for this location

Steady, no change from previous measurement at 6:00am, Tuesday 10th September GMT

Warning: This data is stale! For some reason, we have not been able to obtain updated levels for over 24 hours. The current displayed level is probably incorrect and you should not rely on it.

View upstream gauge levels

Latest Flow

0.07 m3/s

(Daily Average)

Recorded on Sunday 3rd November

Normal flow volume

Steady, no change from previous recording on Saturday 2nd November

Flood Warning Areas Covering Here

River Colne and Frays River at West Drayton and Stanwell Moor

No current or recent warnings.

Lower River Colne and Frays River

No current or recent warnings.

Other Nearby Flood Warning Areas

River Thames from Datchet to Shepperton Green

No current or recent warnings.

Groundwater flooding in Egham

No current or recent warnings.

River Thames at Staines and Egham

No current or recent warnings.

Seven Day Level Chart

Long Term Level Chart

Darker blue shaded areas on long term data indicate maximum and minimum levels for the date (you may need to zoom in closer to see them).

Long term data may have gaps where the API data was not available.

Download long term data as csv

Note: CSV data will include any outlying values that have been ignored by our graphing system as probably erroneous (eg, because they are ridiculously high compared to the values either side of them). It is your responsibility to filter these out if necessary.

Important! If you are planning to retrieve the csv data automatically, you must read and understand the limitations on the data and its availability.

Location and Technical Data

  • Monitoring Station: Staines Ash
  • Watercourse: Ash (Surrey)
  • Nearest Town/Village: Staines
  • Local Authority: Spelthorne
  • Ceremonial County: Surrey
  • Coordinates: 51°26'25"N 0°30'43"W (51.440376,-0.512035)
  • OS Grid: TQ0351572315 (503515,172315)
  • Mapcode (Local): GBR 0H.TW1
  • Mapcode (Global): VHFTQ.22N4
  • Open Location Code: 9C3XCFRQ+55
  • Maidenhead Locator System: IO91rk85
  • Environment Agency Location ID: 3110TH
  • Environment Agency Gauge ID: 3110TH-level-downstage-i-15_min-mASD
  • River Levels Online ID: 7247
  • Water Information System ID: 3110TH
  • Operational Area: Colne
  • Catchment Area: Colne
  • UK Hydrometric Area: Thames
  • Environment Agency Region: Thames
  • Datum Type: Above Stage Datum (ASD)

Please note: Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.

The usual range of the River Ash at Staines Ash (Downstream) is between -0.15m and 0.09m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Ash at Staines Ash (Downstream) over the past 12 months has been between -0.15m and 0.03m. It has been between these levels for at least 154 days in the past year.

Nearby Monitoring Locations

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