River Levels
River Levels

Jubilee River at Chalvey Ditch Siphon Monitoring Station (Downstream)

Current River Level

16.770m

At 5:15am, Tuesday 10th December GMT

Within the usual range for this location

Steady, no change from previous measurement at 5:00am, Tuesday 10th December GMT

View upstream gauge levels


Important! The levels for this location are measured relative to sea level, not relative to the riverbed. The levels shown here do not, therefore, necessarily represent the actual depth of the water.

Flood Warning Areas Covering Here

River Thames at Maidenhead to Windsor and Eton

No current or recent warnings.

River Thames from Maidenhead to Windsor and Eton

No current or recent warnings.

Other Nearby Flood Warning Areas

Moorings and properties closest to the River Thames between Maidenhead, Windsor and Eton

No current or recent warnings.

Properties closest to the River Thames at Wraysbury from Old Windsor Weir to Magna Carta Island

No current or recent warnings.

River Thames at Old Windsor

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: Jubilee River at Chalvey Ditch Siphon
  • Watercourse:
  • Nearest Town/Village:
  • Local Authority: Slough
  • Ceremonial County: Berkshire
  • Coordinates: 51°30'4"N 0°36'44"W (51.501135,-0.612495)
  • OS Grid: SU96407893 (496405,178935)
  • Mapcode (Local): GBR F86.V9B
  • Mapcode (Global): VHFT8.BJKL
  • Open Location Code: 9C3XG92Q+F2
  • Maidenhead Locator System: IO91qm60
  • Environment Agency Location ID: 2736TH
  • Environment Agency Gauge ID: 2736TH-level-downstage-i-15_min-mAOD
  • Operational Area: Lower Thames
  • Catchment Area: Maidenhead and Sunbury
  • UK Hydrometric Area: Thames
  • Environment Agency Region: Thames
  • Level Datum: Above Ordnance Datum (AOD)

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 Jubilee River at Chalvey Ditch Siphon Monitoring Station (Downstream) is between 16.51m and 17.00m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Jubilee River at Chalvey Ditch Siphon Monitoring Station (Downstream) over the past 12 months has been between 16.70m and 16.76m. It has been between these levels for at least 155 days in the past year.

Nearby Monitoring Locations

There are no other monitored rivers nearby

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