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City says deep‑dewatering wells have slowed movement at Portuguese Bend landslide
Summary
Rancho Palos Verdes City Manager Arm Ronan reported that deep‑dewatering wells and stabilization work have "significantly slowed ground movement" in the Portuguese Bend landslide complex, and the council reviewed costs and ongoing mitigation steps.
Arm Ronan, Rancho Palos Verdes City manager, said the council received the latest update on the Portuguese Bend landslide and staff reported measurable progress from stabilization projects.
"Staff highlighted continued progress from the city's deep dewatering well system and other stabilization projects that have significantly slowed ground movement throughout the landslide complex," Ronan said. The update described the city’s use of dewatering wells and other engineering measures to slow slope movement while longer‑term solutions are developed.
The council reviewed associated costs and the status of mitigation work but did not announce a timetable for permanent repair in Ronan's summary. Council actions later addressed temporary restrictions and homeowner permissions in the landslide area as stabilization work continues.
