River Lee at Harpenden


Current River Level: 0.654m, falling

Below normal for this location

Current level recorded at 9:15am, Wednesday 28th September BST
(8:15am, Wednesday 28th September GMT)

Change from previous measurement: -0.001m
(recorded at 9:00am, Wednesday 28th September BST)

The usual range of the River Lee at Harpenden is between 0.70m and 1.30m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Lee at Harpenden over the past 12 months has been between 0.62m and 0.96m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the River Lee at Harpenden is 1.63m, reached on Monday 28th May 2007 at 11:00am.

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.

  • Monitoring Station: Harpenden
  • Watercourse: Lee (Upper)
  • Nearest Town/Village: Harpenden
  • Local Authority: St Albans
  • Ceremonial County: Hertfordshire
  • Coordinates: 51°49'49"N 0°20'52"W (51.830547,-0.347917)
  • OS Grid: TL1394015950 (513940,215950)
  • Mapcode (Local): GBR H7B.2WD
  • Mapcode (Global): VHFRV.X8F1
  • Open Location Code: 9C3XRMJ2+6R
  • Maidenhead Locator System: IO91tt89
  • Environment Agency Location ID: 4650TH
  • Environment Agency Gauge ID: 4650TH-level-stage-i-15_min-mASD
  • Operational Area: Upper Lee
  • Catchment Area: Upper Lee
  • UK Hydrometric Area: Lee
  • Environment Agency Region: Thames
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 87m AOD

Nearby Monitoring Locations

Nearby Flood Warning Locations

River Lee at Luton, Harpenden and Wheathampstead
River Lee at Luton, Harpenden including Wheathampstead and East Hyde

No current or recent warnings.

River Lee at Harpenden
River Lee at Harpenden and Wheathampstead including East Hyde

No current or recent warnings.

Groundwater flooding in Kimpton and Lilley Bottom
Areas at risk of groundwater flooding in Kimpton and Lilley Bottom, including Lye Hill, Whiteway and Claggy Bottom

No current or recent warnings.

River Ver at Markyate
The River Ver at Markyate including Flamstead, Harpenden

No current or recent warnings.

River Ver at Redbourn
The River Ver at Redbourn including Redbournbury

No current or recent warnings.

Long term graphs will work better if you rotate your fondleslab into landscape mode.

Past Week

Long Term

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.

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