River Levels
River Levels

Theobalds Brook at Cheshunt, Trinity Lane

Current River Level


At 7:15am, Monday 20th May BST
(6:15am, Monday 20th May GMT)

Within the usual range for this location

Steady, no change from previous measurement at 7:00am, Monday 20th May BST

Flood Warning Areas Covering Here

Trinity Marsh Ditch at Waltham Cross

No current or recent warnings.

Lower Lee tributaries

No current or recent warnings.

Other Nearby Flood Warning Areas

Small River Lee at Cheshunt

No current or recent warnings.

Rags Brook at Flamstead End

No current or recent warnings.

Cobbins Brook at Waltham Abbey

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: Cheshunt, Trinity Lane
  • Watercourse: Theobalds Brook
  • Nearest Town/Village: Waltham Cross
  • Local Authority: Broxbourne
  • Ceremonial County: Hertfordshire
  • Coordinates: 51°41'29"N 0°1'38"W (51.691657,-0.027263)
  • OS Grid: TL3645201054 (536452,201054)
  • Mapcode (Local): GBR JS.3S9
  • Mapcode (Global): VHGQ2.GRY1
  • Open Location Code: 9C3XMXRF+M3
  • Maidenhead Locator System: IO91xq65
  • Environment Agency Location ID: 5322TH
  • Environment Agency Gauge ID: 5322TH-level-stage-i-15_min-mASD
  • River Levels Online ID: 7362
  • Water Information System ID: 5322TH
  • Operational Area: Lower Lee Rivers and Lakes
  • Catchment Area: London
  • UK Hydrometric Area: Lee
  • Environment Agency Region: Thames
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 18m 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 Theobalds Brook at Cheshunt, Trinity Lane is between 0.38m and 1.10m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Theobalds Brook at Cheshunt, Trinity Lane over the past 12 months has been between 0.37m and 0.70m. It has been between these levels for at least 152 days in the past year.

The highest level ever recorded at the Theobalds Brook at Cheshunt, Trinity Lane is 1.16m, reached on Tuesday 10th February 2009 at 3:30am.

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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