Community Corner

LA County Issues Phase I Mud & Debris Flow In Advance Of Forecasted Rain

"Forecasts are calling for a rain event throughout the Los Angeles County area to begin in the late evening and overnight hours on Sunday"

December 26, 2020

Forecasts are calling for a rain event throughout the Los Angeles County area to begin in the late evening and overnight hours on Sunday, December 27, and continuing through Monday, December 28. Initial forecasts are calling for rainfall totals up to 3/4 “ in the foothill areas. As this is the first significant rainfall of the season, City staff, as well as the Los Angeles County Department of Public Works, have been monitoring the forecast in anticipation of mud and debris flow in the burn area from the recent Bobcat Fire.

Find out what's happening in Monroviafor free with the latest updates from Patch.

In preparation for the rain, the LA County Department of Public Works has issued a Phase I Mud and Debris Forecast for the area of Monrovia that is in the neighborhood of Ridgeside Drive and Oakglade Drive. A Phase I forecast indicates the possibility of minor to moderate flooding and mudflow/sediment deposition on these streets and below burned hillsides.

If you reside in these areas, please travel with caution. Those who do not live in the neighborhood of Ridgeside Drive and Oakglade Drive are asked to avoid the area.

Find out what's happening in Monroviafor free with the latest updates from Patch.

In the event that there are mud and debris flow, both the LA County Department of Public Works and City of Monrovia Public Works will mobilize resources to respond to any mud and debris flow activities.


Contact Information & Resources

Contact Information

Gravel (Sand) Bag Available for Residents

Gravel, along with gravel bag materials, is available at Recreation Park in the parking lot off of East Olive Avenue, near the skate park and Barney Glen Baseball Field.

  • Recreation Park - 620 S Shamrock Ave, Monrovia, CA 91016

Please note that the gravel bags are self serve. The City will provide the needed bags and gravel and residents must provide their own shovels, gloves and eye protection. To ensure that there is enough for all of the resident who may use them, please take only what you need.

Resources from the Los Angeles County Public Works Department


This press release was produced by the City of Monrovia. The views expressed are the author's own.

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