Volume Ten - Pre-Victorian to the Present Day - Even more aspects - 1911 - The Penarth Dock of the Taff Vale Railway - Railway News Article . . .

Depth of Water.

The depth of water on the dock sill is 36 ft. ordinary spring, and 26ft. ordinary neap tides. The entrance channel is kept constantly dredged, and is deeper by several feet than the dock sill, so that the vessels enter deep water immediately on leaving the dock. Penarth has, in fact, one of the deepest entrances in the Channel, in proof of which it may be stated that the undermentioned vessels of large size, and many others of like capacity, have left the dock fully laden without delay and with perfect safety.