In the area west of the mouth, a marina has been built on the St. Lawrence River and a breakwater protects the basin from strong waves.

This acronym appears on a map of 1641 designed by Jean Bourdon, under the spelling of "Rivière du Sault à la Pusse".

We read in the old register of Notre-Dame de Québec: "The Pulce having been despatched to draw cognizance from it, after having ransacked all the places which he drove out the caban and toured the isles and fired quantity of arquebus shots, he returned to Quebec without having learned anything about it."

This acronym evokes the memory of this citizen of Quebec who gave his surmon[check spelling] to the river and to the flea sault.

The construction of a sawmill in 1940 along the "Sault à la Puce river" generated industrial activity over several years.