An Important Message From the City of Morgan Hill About  Anderson Dam and Emergency Preparedness

 


 
The City of Morgan Hill places great importance on community emergency preparedness and dedicates significant resources to ongoing preparation.  The intent of this update is to share information about the City's emergency preparedness, Santa Clara Valley Water District's (SCVWD) management of Anderson Dam and resources to help you stay informed about activities related to current weather events.

Anderson Dam Status
Anderson Dam has neared full capacity with the recent rains and the subsequent runoff.  It is anticipated that the dam may "spill" during the next series of storms. This means that the extra water would flow out through the spillway that is designed for just this purpose.  The spillway and dam passed the most recent inspections of their structural integrity on June 12, 2016.

The water that may flow over the spillway is in addition to the water that the SCVWD is currently releasing from the lower outlet of the dam.  Anderson has "spilled" in the past - most recently in 2006. Historically, this has not caused major impacts or flooding for Morgan Hill residents.

You may also be aware that, due to the discovery of seismic concerns, the California Division of Safety of Dams has determined that the reservoir should only be filled to 68% until it is seismically repaired.  The SCVWD has operated the dam under this restriction since 2009. As noted above, SCVWD is releasing water and will continue to do so until the dam returns to the appropriate level.  Presently, there is no risk for failure or major flooding.

What Is The SCVWD Doing?
  • Releasing water from the dam's lower outlet as quickly as possible since early January
  • Working directly with the City of Morgan Hill to ensure the safety of the Morgan Hill Community
  • Participated in an Anderson Dam exercise with the City of Morgan Hill Office of Emergency Services in May and June 2016
  • Operates a dam safety program
  • Continually monitoring of the dam including planning for evaluations immediately following an earthquake
  • Developed a contingency plan following the Anderson Dam exercise
  • Issued a message to the Morgan Hill Community about the status of the dam on February 10, 2017
What Are State and Federal Agencies Doing?
  • Inspects the structural integrity of the dam and spillway on a regular basis -  most recently on April 25, 2016 and June 12, 2016.
How Has the City Prepared?
What Should Residents Do?
  • Develop Your Family Emergency Plan Today - Develop your family emergency plan now.  You need to plan BEFORE a disaster strikes.  The following link provides emergency plan templates and emergency kit information. www.ready.gov/make-a-plan
  • Review the Anderson Dam Inundation Maps so you and your family are aware of where and how quickly waters from the dam might reach your home, schools or places of business.
  • Learn the best route to high ground to avoid flood waters
  • Sign Up for Emergency Alerts and Notifications  - The City of Morgan Hill has many different communication channels for sharing information with the community .  In a disaster situation, assuming there is electricity, cell service, and access to the internet the City will be sharing important emergency information with the community through the following communication channels:

AlertSCC

AlertSCC is a free, easy and confidential way for anyone to receive emergency warnings sent directly to their cell phone, mobile device, email, or landline. AlertSCC can reach you wherever you are to provide information and instructions in a variety of emergency situations.

Sign up for AlertSCC Today

 

Nextdoor

Nextdoor is a private social network for you, your neighbors and your community.  It is not managed by the City, but the City regularly posts information for the community on Nextdoor.  Additionally, the Santa Clara Valley Water District and the County of Santa Clara post important information on Nextdoor.

Sign up for Nextdoor Today

 

City of Morgan Hill Eblast Updates

The City of Morgan Hill has developed an extensive database of email addresses of Morgan Hill residents and businesses.  This is used to share a variety of information, but will be a key communication tool in the event of a disaster.

Sign up for City of Morgan Hill Eblasts

 

City of Morgan Hill website

Follow the City of Morgan Hill on Facebook 

Follow the Morgan Hill Police Department on Facebook

Follow the City of Morgan Hill on Twitter

Follow the Morgan Hill Police Department on Twitter 

 

Who do I contact?

  • For questions about seismic matters of the Anderson Dam Seismic Retrofit Project

Hemang Desai    408.630.3017

Katherine Oven  408.630.3126

  • For questions about Anderson's water storage, flows or releases

Aaron Baker      408.630.2135

Garth Hall          408.630.2350

  • For questions about City of Morgan Hill emergency preparedness

 Jennifer Ponce  Jennifer.ponce@morganhill.ca.gov

 

 

 

     
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