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2023 Annual Emission / Product Usage Submittal

Please submit your emission / product usage information for 2023 no later than April 15, 2024.

Common Questions:

Where can I find my Customer Number? If you are a registered facility, your Registration Number can be found on your registration certificate or annual invoice.

Why do I need to report my emission / product usage information? As a business registered or subject to registration with Northwest Clean Air Agency (NWCAA), you are required to report your emissions / product usage information annually pursuant to RCW 70A.15, WAC 173-400-099, and NWCAA Regulation 150.2 and 150.3.

If you're interested, here’s a “how to” video:

If you have other questions, please contact us at (360) 419-6833 or e-mail