Welcome to California’s Flood-MAR Hub
A one-stop shop for people seeking information and support in developing and implementing Flood-MAR projects.
A one-stop shop for people seeking information and support in developing and implementing Flood-MAR projects.
Kearney orchards recharge site studied by the UC Davis Dahlke Lab (Pasner, 2022).
The Flood-MAR Network is a recipient of the 2024 American Water Resources Association (AWRA) Integrated Water Resources Management (IWRM) Award! An IWRM approach to water resources has been a hallmark of AWRA since its establishment. Therefore, in 2012, the AWRA Board of Directors voted to establish an award that recognizes outstanding IWRM work on a water resources project in consulting, government, nonprofit, or academia. The Flood-MAR Network has been selected as the recipient of this award for 2024! The Network will be honored at the 2024 Annual Water Resources Conference Awards Luncheon on Wednesday, October 2, 2024 in St. Lois, Missouri.
The Flood-MAR Network’s Coordinating Team has released a short paper reflecting on and celebrating the past five years advancing Flood-MAR efforts. Read the story of how Flood-MAR moved from being a concept held and practiced by a few to being the organizing principle of the California Governor’s Executive Order (EO) N-4-23.
This story is about managing complexity together, and how working together is the best way to overcome interconnected physical, social, and policy challenges. We look forward to many more years working together to make Flood-MAR an essential water resources management and climate adaptation strategy!
Flood-MAR (Flood-Managed Aquifer Recharge) is a management strategy that uses high flood flows to spread water onto agricultural land, working landscapes, and managed natural areas to recharge aquifers, sustain riverine and groundwater-dependent ecosystems, and achieve other wide ranging benefits.
Conceptual Figure of Flood-MAR
Photo Credit: DWR
An aerial view looks toward a flooded agricultural field and a flock of birds in Butte County, California
Photo Credit: DWR
Flood-MAR strives to sustainably meet community- and environmentally-focused objectives while supplying multiple benefits to natural ecosystems, working landscapes, and California’s agriculture.
Flood-MAR is an important climate change adaptation strategy that can help California better prepare for and manage extreme events like floods and drought.
A drone view of floodwaters from the Sacramento River overtopping the Fremont Weir in Yolo County, California.
Photo Credit: DWR
Secretary Karen Ross, CA Department of Food and Agriculture, addresses the attendees at the 2019 Flood-MAR public forum held at California State University of Sacramento in Sacramento, California on October 28, 2019.
Photo Credit: Kelly M. Grow / DWR
Large-scale implementation of Flood-MAR depends on equitable partnerships across communities, public and private sectors at all levels.
Learn more about Flood-MAR in California Department of Water Resources’ White Paper and Research & Data Development Plan.
Flood-MAR White Paper
Photo Credit: DWR
Wednesday, November 6, 2024, 12:30PM -1:30PM
Relationships Between Belowground Biodiversity, Ecosystem Services, and Water
Life beneath the ground, especially microbial, plays a crucial yet often overlooked role in delivering ecosystem services and supporting ‘green infrastructure.’ This talk will provide an overview of belowground (soil, vadose, aquifers) biodiversity, highlighting its practical significance, the threats it faces, and strategies for preservation and sustainable management.
Presenters: Kate Scow and Radomir Schmidt, UC Davis
Get involved in California’s Flood-MAR Network today!
Coachella Valley Water District’s Thomas E. Levy Groundwater Replenishment Facility (DWR, 2014).
The Flood-MAR Network is a collaboration among many individuals and organizations interested in promoting Flood-MAR implementation in California. This includes state, federal, tribal, regional, and local entities; nonprofits and community-based organizations; university and private researchers; private landowners; and other stakeholders.
History of the Network
In 2018, the need for greater use of Flood-MAR in California had arrived at a tipping point. The adoption of the Sustainable Groundwater Management Act was driving decision-making about how to achieve sustainable aquifer supplies. Moreover, climate change was driving an urgent need for increased flood protection and drought resilience for communities and ecosystems.
At this confluence of needs, many professionals with expertise related to Flood-MAR in California were brought together by California Department of Water Resources (DWR) to identify knowledge gaps and needs while also providing suggestions on how to promote more widespread implementation of Flood-MAR.
This group of people, known as the Flood-MAR Research Advisory Committee, contributed to the Research, Data and Development Plan (R&DD Plan) which outlined a wide range of recommendations in thirteen key categories considered essential for Flood-MAR implementation in California. These recommendations included changes in water governance, water management, groundwater data and analysis, water infrastructure, water rights, and water use practices.
In addition to the recommendations outlined in the RD&D Plan, the Research Advisory Committee acknowledged that achieving widespread Flood-MAR implementation will require interdisciplinary coordination and partnership. The Flood-MAR Network was identified as one effective way to encourage information sharing and collaboration while taking important steps toward implementation.
Attendees listen to opening remarks during the 2019 Flood-MAR Public Forum held at California State University of Sacramento (DWR, 2018).
Network Purpose Statement
The purpose of the Flood-MAR network is to improve water availability, flood risk reduction, and groundwater recharge to sustain communities and ecosystems through Flood-MAR implementation. Because Flood-MAR requires broad, equitable cooperation and coordination amongst multiple, diverse sectors of society and water resources management, this network is essential for creating necessary collaboration among Flood-MAR stakeholders. We want to leverage our collective expertise to share information, connect ideas, collaborate, and develop partnerships, so we can expand Flood-MAR knowledge and better support and expand project implementation.
Network Goals
Goal 1: Substantially increase groundwater storage, improve flood management, and enhance riparian and groundwater-dependent habitat in California through implementation of Flood-MAR.
Goal 2: Position the Flood-MAR Network as a credible resource when evaluating, planning, or implementing managed aquifer recharge projects.
Goal 3: Promote opportunities for connections and partnerships to leverage and build upon each other’s work.
Goal 4: Facilitate sharing of information that advances Flood-MAR implementation and promotes action.
Goal 5: Support each other as we pursue meaningful work separately and together.
Aerial view of the Sutter ByPass, a leveed channel of the Lower Sacramento Valley Flood-Control System along the southwest portion of the Sutter Basin (DWR).
A: Yes, check out the Projects page for examples of Flood-MAR projects throughout the state.
A: The objectives of Flood-MAR are wide-ranging and location-dependent. Potential benefits include the following:
A: It depends on several factors. Consider joining the Flood-MAR Network to collaborate with practitioners and researchers on your specific case.
A: Check out the Flood-MAR Network’s curated list of tools and data, guidance documents, and external references by looking at the Resources page.
Not finding what you need? Send us an email with your inquiry and we’ll see what we can do: fl[email protected]
A: The Flood-MAR Network identified in the Research and Data Development Plan the following primary research topics that are key to wide-spread adaptation of Flood-MAR:
A: Sign up to join the Network on our Get Involved page! Flood-MAR Network members are invited to join our monthly Lunch-MAR Webinars, Biennial Flood-MAR Forum, technical workshops, networking opportunities, and more.
Copyright 2022-Present, Flood-MAR and Contributing Authors.
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