Santa Margarita Watershed Nutrient Initiative – Stakeholder Group

Santa Margarita Watershed Nutrient Initiative – Stakeholder Group 2017-01-31T23:50:15+00:00

The Santa Maragrita Watershed Nutrient Initiative – Stakeholder Group, composed of a broad range of stakeholders with diverse interests, was formed to address nutrient issues in the Santa Maragrita River Watershed.

The Group currently is focused on the initial phase of this project, Phase 1, which targets the development of the methods that are used to prepare and implement a workplan to use a nutrient numeric endpoint (NNE) methodology to understand nutrient impacts to the SMR Lagoon.

This work is a follow-on effort to the San Diego Lagoons Investigative Order (R9-2006-0076) (Lagoon Order) and subsequent workplan developed jointly by the San Diego Regional Water Quality Control Board (RWQCB) and stakeholders in 2006 and is funded with Proposition 84 IRWM grant funds . Future phases, yet to be funded, will focus on collecting comparable data sets on nutrient loading and transport processes, developing the model(s) needed to establish NNE targets and bringing a common understanding of seasonal impact of nutrients on the beneficial uses.

Through a collaborative, inclusive, and regional process the Santa Maragrita Watershed Nutrient Initiative – Stakeholder Group hopes to set regulatory targets that are based on state of the science techniques to ensure the biological, chemical and physical integrity of the Santa Margarita River and its tributaries are protected.

If you are interested in participating in this process, that you contact the Chairperson of the Initiative Group via e-mail.

The Contact information for the Initiative Group Chairperson is:

Jo Ann Weber

Next Stakeholder Meeting: April 27, 2016, 9:30 a.m. – 4:00 p.m.
Location: Murrieta City Hall – Veterans Room

1 Town Square, Murrieta, CA 92562

 See below for past meetings agendas, presentations and summaries.
Stakeholder Group Members
Jo Ann Weber, Group ChairCounty of San Diego
Steve HornCounty of Riverside
Kyle CookU.S. Marine Corps (USMC) Camp Pendleton
Greg SeamanU.S. Marine Corps (USMC) Camp Pendleton
Stuart McKibbinRancho California Water District
Denise LandstedtRancho California Water District
Greg KrzysU.S. Bureau of Reclamation
Jeff MarchandFallbrook Public Utilities District
Jack BebeeFallbrook Public Utilities District
Joy JayneEastern Municipal Water District
Roya YazdanifardCaltrans
Roxy CarterCalTrout
Chuck KatzU.S. Navy Space and Naval Warfare Systems Center Pacific
Eric LarsonSan Diego County Farm Bureau
Danielle WoodUpper Santa Margarita Irrigated Lands
Richard GardnerSouth Coast Water District and Trout Unlimited
Pam NelsonSierra Club
Clint BoschenTetraTech
Amber RogersCounty of San Diego
Eric KleinCounty of San Diego
Judy MitchellMission Resource Conservation District
Karla StandridgeMission Resource Conservation District
Scott ThomasStetson Engineers
Martha SutulaSouthern California Coastal Waer Research Project
Ashli DesaiLarry Walker & Associates
Cynthia GorhamSan Diego Regional Water Quality Control Board
Hiram SarabiaSan Diego Regional Water Quality Control Board
Brittany StruckNational Marine Fisheries Services

Santa Margarita Watershed Nutrient Initiative – Stakeholder Group Charter

Stakeholder Meeting

Agendas, Presentations and Summaries

December 9, 2015


Presentation 1 – Seasonal Considerations Approach

Presentation 2 – Model Application


December 7, 2015 – Background Webinar

Presentation 1 – Technical Activities

Presentation 2 – TMDL

Presentation 3 – NNE and Decision Points

The recorded webinar will be added ASAP.

October 13, 2015



Older Meetings
September 18, 2014
 January 16, 2014
August 15, 2013
February 20, 2013
January 10, 2013
November 28, 2012
October 24, 2012 and Model Presentation
September 13, 2012
August 30, 2012
July 19, 2012
June 7, 2012
March 29, 2012
February 23, 2012
January 25, 2012
October 19, 2011
October 11, 2011
July 26, 2011
May 17, 2011
April 10, 2011
March 22, 2011
Febuary 16, 2011

Steering Committee Working Materials (Restricted Access)

Proposition 84, Round 1 Grant Documents:
Work Plan