River Levels
River Levels

River Graveney at Longley Road (Downstream)

Current River Level

-0.130m

At 3:15pm, Saturday 21st December GMT

Within the usual range for this location

Steady, no change from previous measurement at 3:00pm, Saturday 21st December GMT

View upstream gauge levels

Flood Warning Areas Covering Here

River Graveney at Tooting and Colliers Wood

No current or recent warnings.

River Wandle area in the London Boroughs of Wandsworth, Merton, Lambeth, Croydon and Sutton

No current or recent warnings.

Other Nearby Flood Warning Areas

River Wandle at Wimbledon

No current or recent warnings.

River Wandle at Morden

No current or recent warnings.

River Wandle at Wandsworth

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: Longley Road
  • Watercourse: River Graveney
  • Nearest Town/Village: Merton
  • Local Authority: Merton
  • Ceremonial County: Greater London
  • Coordinates: 51°25'19"N 0°10'24"W (51.421965,-0.173411)
  • OS Grid: TQ271708 (527100,170800)
  • Mapcode (Local): GBR D9.2ZK
  • Mapcode (Global): VHGRB.YJ58
  • Open Location Code: 9C3XCRCG+QJ
  • Maidenhead Locator System: IO91vk91
  • Environment Agency Location ID: 4189TH
  • Environment Agency Gauge ID: 4189TH-level-downstage-i-15_min-mASD
  • River Levels Online ID: 7308
  • Water Information System ID: 4189TH
  • Operational Area: Wandle
  • Catchment Area: London
  • 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 Graveney at Longley Road (Downstream) is between -0.14m and 0.22m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Graveney at Longley Road (Downstream) over the past 12 months has been between -0.13m and 0.00m. It has been between these levels for at least 285 days in the past year.

Nearby Monitoring Locations

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