River Levels
River Levels

The Roxbourne at Harrow, Thistledene Avenue

Current River Level

0.040m

At 3:15am, Tuesday 27th February GMT

Within the usual range for this location

Steady, no change from previous measurement at 3:00am, Tuesday 27th February GMT

Flood Warning Areas Covering Here

Yeading Brooks in London Boroughs of Harrow and Hillingdon

No current or recent warnings.

Other Nearby Flood Warning Areas

Yeading Brook West at Ruislip Manor

No current or recent warnings.

Yeading Brook East at South Ruislip

No current or recent warnings.

River Pinn at Eastcote Village

No current or recent warnings.

River Pinn at Pinner

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: Harrow, Thistledene Avenue
  • Watercourse: The Roxbourne
  • Nearest Town/Village: Northolt
  • Local Authority: Harrow
  • Ceremonial County: Greater London
  • Coordinates: 51°33'42"N 0°22'45"W (51.561936,-0.379325)
  • OS Grid: TQ1243986029 (512439,186029)
  • Mapcode (Local): GBR 4G.C1J
  • Mapcode (Global): VHFT6.C0TF
  • Open Location Code: 9C3XHJ6C+Q7
  • Maidenhead Locator System: IO91tn44
  • Environment Agency Location ID: 3626TH
  • Environment Agency Gauge ID: 3626TH-level-stage-i-15_min-mASD
  • Operational Area: Crane Rivers and Lakes
  • Catchment Area: London
  • UK Hydrometric Area: Thames
  • Environment Agency Region: Thames
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 35.16m 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 The Roxbourne at Harrow, Thistledene Avenue is between 0.01m and 1.10m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the The Roxbourne at Harrow, Thistledene Avenue over the past 12 months has been between 0.03m and 0.06m. It has been between these levels for at least 195 days in the past year.

The highest level ever recorded at the The Roxbourne at Harrow, Thistledene Avenue is 1.43m, reached on Monday 20th December 2010 at 5:15am.

Note that this data may not take account of recent measurements, as we wait until a level has been verified by the Environment Agency before adding it to our records.

Nearby Monitoring Locations

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