Measurements of flow from the overflow pipe are rare.
Slaters Dictionary  mentions the well is close to the river into which the waters are continually flowing.
In 1877  the well was described as ‘very powerful, and appears from rough calculation to afford about 800 gallons per hour.’ (
or about 0.001m³/s).
Measurements of flow from the overflow pipe are rare. Slaters Dictionary  mentions the well is close to the river into which the waters are continually flowing. In 1877  the well was described as ‘very powerful, and appears from rough calculation to afford about 800 gallons per hour.’ (or about 0.001m³/s).
Taff's Well Thermal Spring