River Levels
River Levels

River Mimram at Fulling Mill

Current River Level

0.290m

At 2:30pm, Monday 7th October BST
(1:30pm, Monday 7th October GMT)

Within the usual range for this location

Falling, -0.010 from previous measurement at 2:15pm, Monday 7th October BST

Latest Flow

1.04 m3/s

(Daily Average)

Recorded on Saturday 5th October

Above normal flow volume

Decrease, -0.03 from previous recording on Friday 4th October

Flood Warning Areas Covering Here

River Mimram at Welwyn

No current or recent warnings.

River Mimram in Hertfordshire

No current or recent warnings.

Other Nearby Flood Warning Areas

Stevenage Brook at Stevenage

No current or recent warnings.

River Lee at Luton, Harpenden and Wheathampstead

Recent warnings or alerts no longer in force

River Lee at Harpenden

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: Fulling Mill
  • Watercourse: River Mimram
  • Nearest Town/Village: Codicote
  • Local Authority: North Hertfordshire
  • Ceremonial County: Hertfordshire
  • Coordinates: 51°50'15"N 0°13'16"W (51.837638,-0.221289)
  • OS Grid: TL2264616944 (522646,216944)
  • Mapcode (Local): GBR J8M.QW8
  • Mapcode (Global): VHGPD.32WL
  • Open Location Code: 9C3XRQQH+3F
  • Maidenhead Locator System: IO91vu31
  • Environment Agency Location ID: 4770TH
  • Environment Agency Gauge ID: 4770TH-level-stage-i-15_min-mASD
  • River Levels Online ID: 7335
  • Water Information System ID: 4770TH
  • Operational Area: Upper Lee
  • Catchment Area: Upper Lee
  • UK Hydrometric Area: Lee
  • Environment Agency Region: Thames
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 66.063m 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 Mimram at Fulling Mill is between -0.14m and 0.66m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Mimram at Fulling Mill over the past 12 months has been between 0.09m and 0.30m. It has been between these levels for at least 153 days in the past year.

The highest level ever recorded at the River Mimram at Fulling Mill is 0.55m, reached on Wednesday 13th October 1993 at 7:45pm.

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.

View the catchment for River Mimram at Fulling Mill.

Nearby Monitoring Locations

Other monitoring locations on the River Mimram

River Mimram Map
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