Elwy at St Asaph


Current River Level: 1.147m, falling

Within the usual range for this location

Current level recorded at 7:30am, Wednesday 23rd September BST
(6:30am, Wednesday 23rd September GMT)

Change from previous measurement: -0.005m
(recorded at 5:30am, Wednesday 23rd September BST)

The usual range of the Elwy at St Asaph is between 0.95m and 1.95m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the Elwy at St Asaph over the past 12 months has been between 1.04m and 2.33m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the Elwy at St Asaph is 4.88m, reached on Sunday 9th February 2020 at 3:30pm.

  • Monitoring Station: St Asaph
  • Watercourse: Elwy
  • Nearest Town/Village: St. Asaph
  • Local Authority: Denbighshire
  • Ceremonial County: Clwyd
  • Natural Resources Wales Location ID: 4188
  • Natural Resources Wales Gauge ID: 4188
  • Operational Area: Elwy
  • Catchment Area: Clwyd
  • UK Hydrometric Area: Conway and Clwyd

Nearby Monitoring Locations

Other monitoring locations on the Elwy
Elwy Map
Taming the Flood by Jeremy Purseglove

Nearby Flood Warning Locations

River Elwy at St Asaph
parts of St Asaph including the Roe, Tan-y-Bryn, Ashley Court and Dean's Walk

No current or recent warnings.

River Elwy A55 to Rhuddlan
Roe Park, Hen Waliau, Spring Gardens and HTM Business Park

No current or recent warnings.

River Elwy at Lower Denbigh Road
the area alongside the River Elwy from Dol-Belidr to Pen Rhewl including Wigfair, Pont Yr-Allt-Goch, Lower Denbigh Road and Cwrt Wigfair.ÂA

No current or recent warnings.

Clwyd Right Bank
communities to the east of the River Clwyd, downstream of Rhuddlan, including farmhouses and parts of Rhyl

No current or recent warnings.

Clwyd Left Bank
communities to the west of the River Clwyd, including Kinmel Bay, Towyn, Belgrano and Pensarn

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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