System Maintenance in Progress
The due date for the submittal of the Air Quality 2023 emissions inventory report has been extended until end of day on March 29, 2024.

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Note: Do not use your Old DEP GreenPort account created before 03/20/2021.


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When you register a new GreenPort account, you automatically create a new Keystone Login account.

PA Keystone Login is an account management system for commonwealth online services. You can use your PA Keystone Login username and password to log into any online service that participates in PA Keystone Login.

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