River Levels
River Levels

River Hart at Redlands Lane

Current River Level

0.960m

At 8:00am, Friday 9th February GMT

Within the usual range for this location

Rising, 0.960 from previous measurement

Warning: This data is stale! For some reason, we have not been able to obtain updated levels for over 24 hours. The current displayed level is probably incorrect and you should not rely on it.

Flood Warning Areas Covering Here

Groundwater flooding in the Crondall area

Flood Alert

Other Nearby Flood Warning Areas

River Hart at Crondall

No current or recent warnings.

The Fleet Brook and Pinegrove Stream at Fleet

No current or recent warnings.

River Wey at Farnham

No current or recent warnings.

River Whitewater and River Hart

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: Redlands Lane
  • Watercourse: River Hart
  • Nearest Town/Village: Crondall
  • Local Authority: Hart
  • Ceremonial County: Hampshire
  • Coordinates: 51°14'14"N 0°51'35"W (51.237321,-0.859739)
  • OS Grid: SU797493 (479700,149300)
  • Mapcode (Local): GBR C8H.CG3
  • Mapcode (Global): VHDY1.15V9
  • Open Location Code: 9C3X64PR+W4
  • Maidenhead Locator System: IO91nf66
  • Environment Agency Location ID: 2453TH
  • Environment Agency Gauge ID: 2453TH-level-stage-i-15_min-mASD
  • Operational Area: Loddon
  • Catchment Area: Loddon and tributaries
  • UK Hydrometric Area: Thames
  • Environment Agency Region: Thames
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 81m 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 Hart at Redlands Lane is between 0.60m and 1.10m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Hart at Redlands Lane over the past 12 months has been between 0.65m and 0.78m. It has been between these levels for at least 183 days in the past year.

The highest level ever recorded at the River Hart at Redlands Lane is 1.63m, reached on Friday 20th July 2007 at 11:45am.

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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