River Levels
River Levels

Rammey Marsh Sluices Monitoring Station

Current River Level

17.660m

At 1:30am, Sunday 29th January GMT

Within the usual range for this location

Steady, no change from previous measurement at 1:15am, Sunday 29th January GMT


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

Lower River Lee at Hoddesdon and Cheshunt

No current or recent warnings.

Lower River Lee from Hoddesdon to Canning Town

No current or recent warnings.

Other Nearby Flood Warning Areas

Small River Lee at Cheshunt

No current or recent warnings.

Trinity Marsh Ditch at Waltham Cross

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: Rammey Marsh Sluices
  • Watercourse:
  • Nearest Town/Village: Waltham Abbey
  • Local Authority: Epping Forest
  • Ceremonial County: Essex
  • Coordinates: 51°41'1"N 0°0'39"W (51.683747,-0.010927)
  • OS Grid: TL37600020 (537605,200205)
  • Mapcode (Local): GBR KM.FY9
  • Mapcode (Global): VHGQ2.RYL3
  • Open Location Code: 9C3XMXMQ+FJ
  • Maidenhead Locator System: IO91xq84
  • Environment Agency Location ID: 5323TH
  • Environment Agency Gauge ID: 5323TH-level-stage-i-15_min-mAOD
  • Operational Area: Lower Lee Rivers and Lakes
  • Catchment Area: London
  • UK Hydrometric Area: Lee
  • Environment Agency Region: Thames
  • 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 Rammey Marsh Sluices Monitoring Station is between 17.60m and 17.78m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Rammey Marsh Sluices Monitoring Station over the past 12 months has been between 17.55m and 17.82m. It has been between these levels for at least 150 days in the past year.

Nearby Monitoring Locations

There are no other monitored rivers nearby

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