Watershed for the California Climate Rules

The best solution for California SB 253 and SB 261 compliance

Watershed combines a purpose-built sustainability reporting platform with embedded expertise to reduce the time, cost, and complexity of end-to-end California SB 253 and SB 261 reporting.

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Streamline SB 253 GHG measurement

With Watershed's intelligent data collection, you can quickly collect the right business data for compliant SB 253 greenhouse gas emissions measurements. Watershed is built for assurance with tools to identify errors, detect anomalies, and track every calculation for auditors to sign off on.

Understand your SB 261 climate risks

Work with Watershed to understand and report on the climate risks that are material to your business. Aligned with TCFD, Watershed's climate risk support covers your needs for SB 261 reporting.

Leverage embedded expertise across California reporting

Our California report builder guides you step-by-step through the reporting journey.

Leverage embedded guidance from our team of sustainability experts and review real-world benchmarks that show how other companies are answering the same questions. Streamline collaboration with authoring tools that track progress towards a complete, disclosure-ready report.

Go beyond reporting and take action

Watershed is the only platform engineered for results—as well as reporting. Easily repurpose and build on your California data and insights to power other reporting efforts like CDP and ISSB, model scenarios, identify actions, and fund scientifically vetted carbon removal from our industry-leading marketplace.

California climate disclosure timelines

August 2024	SB 219 signed into law with SB 253 & SB 261
Late 2025	CARB will release additional guidance focused on scoping definitions and where to publish reports
January 1, 2026	First TCFD report due from companies with >$500M revenue
2026 on FY 2025 data	Scope 1-2 emissions & assurance due from companies with >$1B revenue
2027 on FY2026 data	Scope 3 emissions due from companies with >$1B revenue

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Watershed’s Policy Advisory Board

Our Policy Advisory Board includes many of the leaders shaping global sustainability standards and regulations. Their expertise informs Watershed’s products and services, which ensures our customers stay ahead of the regulatory curve.