River Levels
River Levels

River Blackwater at Swallowfield Side Channel

Current River Level

0.400m

At 9:30pm, Monday 18th November GMT

Within the usual range for this location

Steady, no change from previous measurement at 9:15pm, Monday 18th November GMT

View downstream gauge levels

Flood Warning Areas Covering Here

Lower River Loddon

No current or recent warnings.

Other Nearby Flood Warning Areas

River Loddon at Arborfield and Shinfield

No current or recent warnings.

River Loddon at Sherfield-on-Loddon

No current or recent warnings.

Foudry Brook from Stratfield Mortimer to Green Park

No current or recent warnings.

River Blackwater at Eversley and Bramshill

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: Swallowfield Side Channel
  • Watercourse: River Blackwater, Loddon
  • Nearest Town/Village: Swallowfield
  • Local Authority: Wokingham
  • Ceremonial County: Berkshire
  • Coordinates: 51°22'39"N 0°57'9"W (51.377564,-0.952526)
  • OS Grid: SU730648 (473000,164800)
  • Mapcode (Local): GBR C6N.D11
  • Mapcode (Global): VHDX6.FMST
  • Open Location Code: 9C3X92HW+2X
  • Maidenhead Locator System: IO91mj50
  • Environment Agency Location ID: 2469_w2TH
  • Environment Agency Gauge ID: 2469_w2TH-level-stage-i-15_min-mASD
  • River Levels Online ID: 7150
  • Water Information System ID: 2469_w2TH
  • Operational Area: Loddon
  • Catchment Area: Loddon and tributaries
  • UK Hydrometric Area: Thames
  • Environment Agency Region: Thames
  • Datum Type: Above Stage Datum (ASD)
  • Stage Datum: 42.4m 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 Blackwater at Swallowfield Side Channel is between 0.19m and 0.73m. It has been between these levels for 90% of the time since monitoring began.

The typical recent level of the River Blackwater at Swallowfield Side Channel over the past 12 months has been between 0.20m and 1.02m. It has been between these levels for at least 150 days in the past year.

The highest level ever recorded at the River Blackwater at Swallowfield Side Channel is 1.69m, reached on Saturday 21st July 2007 at 12:00am.

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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