Rhondda Fach at Maerdy


Current River Level: 0.187m, falling

Within the usual range for this location

Current level recorded at 7:00pm, Tuesday 22nd October BST
(6:00pm, Tuesday 22nd October GMT)

Change from previous measurement: -0.002m
(recorded at 5:00pm, Tuesday 22nd October BST)

The normal level of the Rhondda Fach at Maerdy in average weather conditions is between 0.06m and 0.26m. It has been between these levels for at least 151 days in the past year.

The usual range of the Rhondda Fach at Maerdy in more extreme weather conditions is between 0.07m and 0.54m. It has been between these levels for 90% of the time since monitoring began.

The most recent high is 1.13m, reached on Monday 30th December 2013 at 9:15am.

The highest level ever recorded at the Rhondda Fach at Maerdy is 1.53m, reached on Saturday 10th September 2005 at 9:00pm.

  • Monitoring Station: Maerdy
  • Natural Resources Wales Location ID: 4059
  • Natural Resources Wales Gauge ID: 4059
  • Watercourse: Rhondda Fach
  • Operational Area: Rhondda
  • Catchment Area: South East Valleys
  • UK Hydrometric Area: Taff Group
  • Nearest Town/Village: Maerdy
  • Local Authority: Rhondda, Cynon, Taff
  • Ceremonial County: Mid Glamorgan

Nearby Monitoring Locations

There are no other monitoring stations on the Rhondda Fach
Taming the Flood by Jeremy Purseglove

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Rhondda Fawr at Gelli

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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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