River Levels
River Levels

River Aller at Allerford

Current River Level

0.020m

At 7:30am, Friday 22nd November GMT

Below normal for this location

Steady, no change from previous measurement at 7:15am, Friday 22nd November GMT

Flood Warning Areas Covering Here

River Aller

No current or recent warnings.

West Somerset Streams

No current or recent warnings.

Other Nearby Flood Warning Areas

Horner Water

No current or recent warnings.

Somerset coast at Porlock Weir

Recent warnings or alerts no longer in force

Somerset coast at Porlock Weir

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: Allerford
  • Watercourse: River Aller
  • Nearest Town/Village: Selworthy
  • Local Authority: West Somerset
  • Ceremonial County: Somerset
  • Coordinates: 51°12'42"N 3°34'9"W (51.211692,-3.569292)
  • OS Grid: SS9047946991 (290481,147003)
  • Mapcode (Local): GBR LD.3X61
  • Mapcode (Global): VH5JX.2SXZ
  • Open Location Code: 9C3R6C6J+M7
  • Maidenhead Locator System: IO81ff10
  • Environment Agency Location ID: 51104
  • Environment Agency Gauge ID: 51104-level-stage-i-15_min-m
  • River Levels Online ID: 3092
  • Water Information System ID: 510305_FW
  • Operational Area: West Somerset Streams
  • Catchment Area: South and West Somerset
  • UK Hydrometric Area: East Lyn Group
  • Environment Agency Region: South West
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 27.76m 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 River Aller at Allerford is between 0.38m and 0.45m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Aller at Allerford over the past 12 months has been between -0.07m and 0.11m. It has been between these levels for at least 153 days in the past year.

The highest level ever recorded at the River Aller at Allerford is 1.04m, reached on Saturday 18th January 2014 at 5:30pm.

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

There are no other monitoring stations on the River Aller

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