Background and Purpose

What is the cost of this project and how is it being funded?

The total estimated cost of the project is approximately $385 million. It will be federally funded and, to date, Congress has approved the allocation of $192.5 million to the project through the Energy and Water Appropriations Bill. The remaining balance will be allocated in future federal budgets on a year-to-year basis. 

2021-03-30T11:51:46-07:00March 18th, 2021|

Is the City of Pico Rivera leading this project?

No, the City of Pico Rivera is not leading this project as it falls outside of the City’s jurisdiction. The entire project is under federal government control. The U.S. Army Corps of Engineers (USACE), Los Angeles District constructed and operates the Whittier Narrows Dam and Reservoir and much of the surrounding land is also federal

2021-03-18T15:37:30-07:00March 18th, 2021|

What are the benefits of this project?

The Whittier Narrows Dam is currently at risk of failing in one of three ways: 1) backward erosion of the foundation, 2) overtopping, or 3) the premature opening of the spillway gates (click here for visuals of what each of these scenarios looks like). This project will implement improvements and needed repairs to help avoid

2021-03-30T11:49:47-07:00March 18th, 2021|

Why are these improvements needed?

During severe weather events or seasons of heavy rain, the two rivers that surround the City of Pico Rivera — the San Gabriel River and the Rio Hondo River — flow into the Whittier Narrows Reservoir to help prevent the two rivers from flooding into Pico Rivera neighborhoods and communities beyond. The federal government has

2021-03-18T11:49:29-07:00March 18th, 2021|

What is the Whittier Narrows Dam Safety Modification Project?

The construction of the Whittier Narrows Dam and Reservoir was completed in 1957 by the U.S. Army Corps of Engineers to assist with flood control and water conservation. The USACE has determined that the Whittier Narrows Dam poses a very high risk of failure thereby exposing 25 cities and up to 1.1 million people to

2021-06-17T12:50:03-07:00March 18th, 2021|
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