River Levels
River Levels

Groundwater Level at Stonor Estate

Current River Level


At 7:00am, Wednesday 22nd May BST
(6:00am, Wednesday 22nd May GMT)

Above normal for this location

Falling, -0.030 from previous measurement at 7:00am, Tuesday 21st May BST

Important! The levels for this location are measured relative to sea level, not relative to the riverbed. The levels shown here do not, therefore, necessarily represent the actual depth of the water.

Flood Warning Areas Covering Here

Groundwater flooding in the Henley and Assendon area

Flood Alert

River Thames for Henley, Remenham, Medmenham and its tributaries

No current or recent warnings.

River Thames for Henley, Remenham, and Medmenham

No current or recent warnings.

Other Nearby Flood Warning Areas

Groundwater flooding in the High Wycombe area

Flood Alert

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: Stonor Estate
  • Watercourse: Groundwater Level
  • Nearest Town/Village: Pishill with Stonor
  • Local Authority: South Oxfordshire
  • Ceremonial County: Oxfordshire
  • Coordinates: 51°35'49"N 0°55'59"W (51.597176,-0.933089)
  • OS Grid: SU7399789243 (473997,189243)
  • Mapcode (Local): GBR C3Y.YQ4
  • Mapcode (Global): VHDW7.S32Y
  • Open Location Code: 9C3XH3W8+VQ
  • Maidenhead Locator System: IO91mo83
  • Environment Agency Location ID: SU78_45C
  • Environment Agency Gauge ID: SU78_45C-level-groundwater-i-1_h-mAOD
  • River Levels Online ID: 9449
  • Water Information System ID: SU78_45C
  • Catchment Area: Cherwell Thame and Wye
  • Level Datum: Above Ordnance Datum (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 Groundwater Level at Stonor Estate is between 63.44m and 83.71m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Groundwater Level at Stonor Estate over the past 12 months has been between 70.12m and 88.77m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the Groundwater Level at Stonor Estate is 85.46m, reached on Saturday 13th March 2021 at 7:00am.

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 Groundwater Level

There are no other monitored rivers nearby

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