Modernizing California's Water Data for a Resilient Future
A statewide initiative implementing AB 1755, the Open and Transparent Water Data Act, to deliver high-quality, consistent, and accessible data for every Californian.
Learn MoreWhat Is the Coalition?
The Coalition for Water Data Streamlining is a California statewide initiative that brings together government agencies, non-profits, and stakeholders to modernize how water data is collected, managed, and shared. Our mission is to implement the vision of AB 1755 — the Open and Transparent Water Data Act — ensuring that every community has access to high-quality, consistent data for resilient water management.
Standardized Data
Creating uniform data formats across agencies to enable seamless sharing and analysis of California's water resources.
Open & Transparent
Implementing AB 1755 to make water data publicly accessible, fostering accountability and informed decision-making.
Actionable Insights
Transforming raw data into clear dashboards and reports that support resilient water management statewide.
Why This Matters
California faces unprecedented water challenges. Without modernized data infrastructure, the state cannot effectively manage its most vital resource.
Fragmented Systems
Water data is scattered across dozens of agencies with incompatible formats, making statewide analysis nearly impossible.
Climate Urgency
Droughts, floods, and shifting precipitation demand real-time, reliable data to protect communities and ecosystems.
Better Decision-Making
Consistent, accessible data enables smarter infrastructure investments, equitable allocation, and proactive risk management.
Public Accountability
Californians deserve transparent access to data about the water resources that sustain their communities.
Who Is Involved
Four leading non-profit organizations collaborate to drive California's water data modernization forward.
California Water Data Consortium
Develops and promotes interoperable data standards across California's diverse water management agencies.
Environmental Defense Fund
Advances policies that support open data practices and environmental accountability in water management.
Pacific Institute
Provides independent research and analysis to inform evidence-based water data strategies.
Water Foundation
Coordinates funding streams and stakeholder engagement to sustain the Coalition's long-term mission.
Our Plan
A phased approach to transforming California's water data landscape from fragmented sources to a unified, accessible system.
Inventory
Catalog all existing water data sources across California agencies.
Standardize
Develop and adopt common data formats, vocabularies, and protocols.
Digitize
Convert legacy and paper-based records into modern digital formats.
Connect
Build interoperable systems linking data across agencies and platforms.
Publish
Make data openly accessible via centralized portals and APIs.
Sustain
Establish governance frameworks to maintain data quality long-term.
Long-Term Vision
We envision a California where every drop of water is accounted for with precision — where data flows as freely as the resource itself, empowering communities, agencies, and researchers to build a water-resilient future.
Statewide Integration
A single, unified platform connecting all water data across California.
Real-Time Monitoring
Live data streams enabling proactive response to drought, floods, and contamination.
Data-Driven Policy
Evidence-based governance ensuring equitable and sustainable water for all Californians.
White Papers & Resources
Explore our research and publications guiding California's water data modernization.
AB 1755 Implementation Framework
A comprehensive framework for implementing the Open and Transparent Water Data Act across California agencies.
Water Data Interoperability Standards
Proposed standards for ensuring data compatibility between diverse water management systems statewide.
Equity in Water Data Access
Analysis of disparities in water data availability and recommendations for equitable access.
Climate Resilience Through Open Data
How transparent water data can strengthen California's climate adaptation strategies.
Get In Touch
Interested in collaborating or learning more? We'd love to hear from you.
info@waterdatacoalition.org
Location
Sacramento, California