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The original item was published from 1/14/2023 10:27:00 AM to 1/14/2023 2:48:06 PM.

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Posted on: January 5, 2023

[ARCHIVED] Road and Storm Updates for Arroyo Grande

Road Work Storm Repairs SL

Continuous updates can be found here: Facebook, Instagram, Twitter


  • The National Weather Service expects to receive 1” - 2” of rain by this evening, with up to 1/2” per hour. There is a possibility of thunderstorms tonight. 

  • There will be a lull in the rain after tonight with rain expected to pick up again tomorrow evening through Monday. Tomorrow’s system is expected to bring less rain, 1/4” - 3/4”. 

  • There are currently no road closures in Arroyo Grande nor are any anticipated. 

  • Valley Rd and Castillo Del Mar drainage is allowing for water flow and is not flooded at this time. El Camino Real and Oak Park drainage is also flowing and not flooding at this time. 

  • Corbett Canyon Rd at the intersection of Printz and Corbett Canyon remains closed by the County. 

  • Warming shelters are open for the duration of these rain storms. 

  • High winds are a concern and may cause falling trees and debris. The situation will be closely monitored throughout the day. 

  • Continuous work is occurring on the levee in Oceano, and officials are monitoring it closely for possible evacuations.



El Camino Real is open and the City will continue to monitor flooding in the area - closure is possible tomorrow morning as a few hours of consistent rain are anticipated. 

Press Release: City of Arroyo Grande Provides Clarification Regarding Arroyo Grande Creek Levee Evacuation

Expansion of Evacuation Warning Area: North of the Levee (Oceano Area). 

This expansion does not directly impact within City limits of Arroyo Grande.

An Evacuation Warning has been issued for residents in the Oceano Area near the Arroyo Grande Creek Levee due to the incoming storms, potential flooding, or overtopping of the levee.  Residents are urged to be prepared to evacuate should the situation worsen.  Should an evacuation be necessary, an Evacuation Order will be issued.

Residents should prepare their families and pets.  Pack essential items such as clothes and medication for a few days. 

Areas Include:

North of the Arroyo Grande Creek Levee

South of Wilshire Ave, Hwy 1, and Pier Ave

East of Strand Way

Plus North of HWY 1, West of 21st, South of Ocean St



Nevada Street temporary closure.

Reopened at 3:40pm with localized coned off area in the street.

After evaluation and video analysis no sinkhole conditions found. The cause was found to be shallow surface drainage underneath the asphalt causing structural pavement damages. The large volume of storm water drainage undermined sections of private property and went underground and under the street. Curbing of the drainage at 2 locations and filling and patching the asphalt will be done over the coming weeks.



12:21 PM: Branch Mill is now reopened. 
Valley Road has been reopened. 
Swinging Bridge remains closed due to damage.
SLO County Office of Education: public schools are closed today with a goal of reopening tomorrow.



Due to the storm, road closures are occurring in Arroyo Grande. Contact the City to notify of flooding, roads blocked, etc. Please note, flooding will be prioritized to maintain City infrastructure.

Branch Mill Rd is closing from Cherry Ln to Coach Rd.
The Emergency Alert regarding an Evacuation Order refers to Oceano south side of the creek. AG agricultural lands, businesses, a horse facility, and rv park. CAL FIRE are evacuating citizen. (See photo in comments)
** One shelter location identified by the Red Cross: Church of the Nazarene, 3398 Johnson Avenue in San Luis Obispo.
Less than 100 sandbags are still available to Arroyo Grande residents, which can be picked up at the Police Dept., 200 N Halcyon Rd. Sand is available at the City's Corporation Yard 1375 Ash Street.
View road closures in Arroyo Grande and SLO County at
Power Outages: PG&E customers can get updates on outages in their neighborhood through a variety of channels. Call 1-800-743-5002, access our Electric Outage Map online, or login to your account and sign up for alerts from PG&E.
Flooded area at Equestrian and Noyes. Signs are being posted.
Valley Rd at Castillo Del Mar will be closed, with a detour routing traffic from Highway 1 to Halcyon.
El Camino Real from Oak Park to Robles Rd is still closed.

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