Environmental & Water Resources Institute (EWRI)

The EWRI Orange County Chapter (EWRI OC) allows our members to interact with other professionals in the environmental, water, and wastewater areas of civil engineering.  We regularly send active Orange County branch members to EWRI Congresses held on a annual bases across the country.  We hope the Orange County Branch members will learn new ideas and find interesting speaker topics that we can bring back to our local branch members.  EWRI OC focuses on surface and storm water, and periodically holds joint events with the Orange County Branch to cover subjects regarding drinking water, sewage treatment, and environmental issues during branch general meetings.  The Orange County Branch and the EWRI OC work together to provide continuing educations events that are relevant EWRI members. We hope you will come out and participate in our institute and work with us to build a strong organization.

The 2014-2015 EWRI-OC Board of Directors

Chair – Jose Cruz, PE
Secretary – Roger Chung, PE
Treasurer – Bita Sadri, PE
Director At Large – Chad Ballard
Director At Large – Robert Henderson, PE
Past Chair – Mujahid Chandoo, PE

History

EWRI OC has been very successful ever since it was founded in 1991.  EWRI OC was originally incorporated as a Hydrology and Hydraulics Technical Group under the by-laws of ASCE Los Angeles Section, but later moved under the auspices of the ASCE Orange County Branch.  In 2012 the former Orange County Branch Hydrology and Hydraulics Technical Group became a chapter of EWRI.  At present the EWRI OC organizes bimonthly programs and attracts over 50 professionals working in the field of hydrology, hydraulics, and related areas.

Below in the Related News section are some articles from past events.  For more information contact [email protected]

Upcoming Events

June 2nd, 2016

OC EWRI Presents Concept of Using a Reversible Lane for A Sediment Bypass Channel Around Prado Reservoir

Dave and Busters Irvine Spectrum
661 Spectrum Center Drive, Irvine, CA

Register

Contacts

Jose Cruz, PE
EWRI OC Chair
PACE
.(JavaScript must be enabled to view this email address)
Phone: 714-481-7300


Roger Chung, PE
EWRI OC Secretary


Bita Sadri, PE
EWRI OC Treaserer


Chad Ballard
EWRI OC Director At Large


Robert Henderson, PE
EWRI OC Director At Large


Mujahid Chandoo, PE
Past Chair


Committee Files

  • There are no related documents at this moment.

Related News

Natural Valley Procedure for Hydraulic Analysis and Floodplain Mapping of Non-Accredited Levee Systems Using HEC-RAS 2-D

By: Roger Chung, PE In the August luncheon, Dr. Dragi Stefanovic of Tetra Tech, Inc., presented a new procedure for hydraulic analysis and floodplain mapping of “Without Levee” (Natural Valley) conditions in accordance with latest FEMA guidelines for Analysis and Mapping of Non-Accredited Levee Systems. An unsteady hydraulic model (HEC-RAS) is developed to analyze flows in the main river, while two-dimensional flood routing (HEC-RAS 2-D) is utilized for the floodplain mapping on the landward side of a levee. The advantages and challenges of the new approach are discussed with special emphasis on the long awaited HEC-RAS Version 5.0 featuring a two-dimensional modeling component.

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Climate Change on Flood Damages

By: Roger Chung, PE, QSD, QSP On October 8th, Professor Brett F. Sanders, Ph.D., Department of Civil and Environmental Engineering, University of California, Irvine gave a presentation on Communicating Coastal Flooding Risk with Street-Level Data.

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Update on the Irvine Ranch Water District Membrane Bioreactor Project

By: Ankita Vyas, EIT On December 3rd Steve Malloy, Principal Engineer with Irvine Ranch Water District (IRWD) for over 25 years, gave a presentation to the EWRI Orange County on the Michelson Water Recycling Plant (MWRP) Phase 2 Expansion.

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Environmental Water Resources Institute (EWRI) Presented a Continuing Education Seminar - Engineering Analysis for Urban Drainage Systems

By: Nick Zamarripa The September  ASCE/OC EWRI Contiuing Education half-day seminar on Engineering Analysis for Urban Drainage Systems provided a wealth of knowledge and practical advice from the presenters.

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A Continuation: Recollections of Orange County’s Ebb and Flow of Infrastructure Development

By: Carl Nelson, PE (ret) A recent OC Register headline inspired ASCE OC Life Member, Carl Nelson, PE to share his personal thoughts about infrastructure development in Orange County.

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Water District Panel (MWDOC, OCWD, SMWD, and MNWD)

By: Jenny Robinet/Jose Cruz, MS, PE As a result of the current drought in California, state law makers took action this past July and issued mandatory water cuts to water suppliers throughout the state to help alleviate water supply concerns and mitigate the impact of the drought.  By February 2016, water districts and suppliers throughout the state are required to reduce their water use by a specified percentage.  The required reduction percentage varies per district/supplier, but the overall average cut is 25%. 

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