River Levels
River Levels

Royal Wootton Bassett Hancocks Reservoir Monitoring Station

Current Reservoir Level


At 4:30am, Tuesday 16th April BST
(3:30am, Tuesday 16th April GMT)

Within the usual range for this location

Steady, no change from previous measurement at 4:15am, Tuesday 16th April BST

Flood Warning Areas Covering Here

Upper Bristol Avon area

Recent warnings or alerts no longer in force

Other Nearby Flood Warning Areas

River Ray from the A3102 road to and including the sewage works

No current or recent warnings.

River Swin Bourne in the Even Swindon, West Kingshill and Westleaze areas in Swindon

No current or recent warnings.

River Ray and Swinbourne for West Swindon area to above Water Eaton

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: Royal Wootton Bassett Hancocks Reservoir
  • Watercourse: Brinkworth Brook
  • Nearest Town/Village: Royal Wootton Bassett
  • Local Authority: Wiltshire
  • Ceremonial County: Wiltshire
  • Coordinates: 51°32'6"N 1°53'6"W (51.535097,-1.885111)
  • OS Grid: SU0806581806 (408065,181806)
  • Mapcode (Local): GBR 3T5.Q78
  • Mapcode (Global): VHB3K.8PS1
  • Open Location Code: 9C3WG4P7+2X
  • Maidenhead Locator System: IO91bm38
  • Environment Agency Location ID: 531187
  • Environment Agency Gauge ID: 531187-level-1-i-15_min-mASD
  • River Levels Online ID: 9122
  • Water Information System ID: 530157
  • Operational Area: Bristol Avon Rural
  • Catchment Area: Avon Bristol and North Somerset Streams
  • UK Hydrometric Area: Avon (Bristol)
  • Environment Agency Region: South West
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 90m 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 Royal Wootton Bassett Hancocks Reservoir Monitoring Station is between 4.25m and 5.96m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Royal Wootton Bassett Hancocks Reservoir Monitoring Station over the past 12 months has been between 4.31m and 4.72m. It has been between these levels for at least 20 days in the past year.

The highest level ever recorded at the Royal Wootton Bassett Hancocks Reservoir Monitoring Station is 5.56m, reached on Wednesday 30th September 2020 at 7:00pm.

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

Other monitoring locations on the Brinkworth Brook

Brinkworth Brook Map

Monitoring locations on nearby rivers

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