Watershed for California climate disclosures

Streamline SB 253 and SB 261 reporting

Measure emissions, assess climate risk, and publish your disclosure – all in one place. With software, AI, and expert guidance trusted by the world’s largest companies.

Trusted by 200 leading companies reporting to California

California's climate disclosure rules

SB 253: By June 30, 2026: Companies with >$1B in global revenue must report their Scope 1 & 2 emissions with limited assurance; Scope 3 emissions in 2027.

SB 261: By January 1, 2026: Companies with >$500M in global revenue must file a climate risk report.

Streamline disclosure with Watershed

Publish a climate risk report with expert support and AI-accelerated reporting

Work with experts to publish your SB 261 report. Use Watershed to get an AI-accelerated first draft of your report and feedback on your progress; view answers from peers, assess gaps, and read guidance from our team. Updated to the latest templates from California regulators.

Scope 1-3 measurement, 100% audit pass rate

Collect data and measure your emissions. Watershed comes with 150 error checks built-in, data lineage on every calculation, and transparency for auditors. Developed and tested with Fortune 500 companies.

Built-in guidance from experts

Watershed comes with knowledge from our team of sustainability and policy experts built in, so your reporting incorporates the latest science and policy standards.

Future-proof for what’s next

With Watershed as your end-to-end sustainability data platform, you can easily repurpose data for other reporting frameworks, such as CDP, ISSB, CSRD, and more. And with accurate data as your starting point, you can take informed steps to achieve real progress.

Watershed Platform UI

Explore our California climate disclosure solution

Click around our interactive product tours to see the Watershed platform in action.

SB 253 + SB 261 FAQs

Check if you have any corporate entities which are “doing business” in California. If their revenue is above $500M, you’re in scope for SB 261; if it’s above $1B you’re in scope for both. Subsidiaries can report at the parent level, but fees apply to each entity.

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California SB 253 and SB 261 reporting solution – Watershed