River Levels
River Levels

River Arun at Alfoldean GS

Current River Level

0.270m

At 8:00pm, Tuesday 16th April BST
(7:00pm, Tuesday 16th April GMT)

Within the usual range for this location

Steady, no change from previous measurement at 7:45pm, Tuesday 16th April BST

Latest Flow

1.08 m3/s

(Daily Average)

Recorded on Sunday 14th April

Normal flow volume

Decrease, -0.17 from previous recording on Saturday 13th April

Flood Warning Areas Covering Here

Broadbridge Heath to Pallingham Quay on the River Arun

No current or recent warnings.

Upper Arun

No current or recent warnings.

Other Nearby Flood Warning Areas

Horsham, Boldings Brook

No current or recent warnings.

Boldings Brook

No current or recent warnings.

Horsham on the River Arun

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: Alfoldean GS
  • Watercourse: River Arun
  • Nearest Town/Village: Slinfold
  • Local Authority: Horsham
  • Ceremonial County: West Sussex
  • Coordinates: 51°5'12"N 0°24'22"W (51.086792,-0.406225)
  • OS Grid: TQ1172233150 (511722,133150)
  • Mapcode (Local): GBR HJ5.S3Z
  • Mapcode (Global): FRA B617.TVH
  • Open Location Code: 9C3X3HPV+PG
  • Maidenhead Locator System: IO91tc10
  • Environment Agency Location ID: E9883
  • Environment Agency Gauge ID: E9883-level-stage-i-15_min-mASD
  • River Levels Online ID: 1168
  • Water Information System ID: 254250008
  • Operational Area: Upper Arun
  • Catchment Area: Arun and Western Streams
  • UK Hydrometric Area: Sussex Rivers Group
  • Environment Agency Region: Southern
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 21.406m 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 Arun at Alfoldean GS is between 0.09m and 1.49m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Arun at Alfoldean GS over the past 12 months has been between -1.66m and 2.07m. It has been between these levels for at least 151 days in the past year.

The highest level ever recorded at the River Arun at Alfoldean GS is 2.91m, reached on Tuesday 24th December 2013 at 10:15am.

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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