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Official website

of the Commonwealth of Pennsylvania

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    Local, state, and federal government websites often end in .gov. Commonwealth of Pennsylvania government websites and email systems use "pennsylvania.gov" or "pa.gov" at the end of the address. Before sharing sensitive or personal information, make sure you're on an official state website. 
    Department of Environmental Protection

    Alerts, Closings, Delays, and Emergency Information

    Any current office closures, delays, and emergency information will be posted here. 

    Notice of OnBase Outage October 3, 2025

    OnBase will be unavailable from 5:00 pm until 11:00 pm on Friday, October 3, 2025, while a scheduled upgrade is conducted.

    This will affect the following OnBase forms and applications:

    • DEP - Advisory Committee Membership Application Form
    • DEP - CAFO
    • DEP - Clean Fill Certification
    • DEP - DEP eLibrary
    • DEP - DRFC
    • DEP - Environmental Complaint Form
    • DEP - ePermitting
    • DEP – Public Upload with Payment
    • DEP - Informal File Review
    • DEP - Laboratory Accreditation Program 
    • DEP - MS4
    • DEP - Municipal Waste Annual Operation Reports (Landfill)
    • DEP - Municipal Waste Annual Operation Reports (Resource Recovery)
    • DEP - OASIS
    • DEP - Public Upload
    • DEP - RCMS
    • DEP - TVP-1 -(INITIAL DATA VERIFICATION FOR PROPRIETARY ON-LOT ALTERNATE TECHNOLOGY APPROVAL)
    • DEP - Wastewater Change Address Form
    • DEP - Wastewater Change Operation Form
    • DEP - WMS

    For a list of The Commonwealth of PA's office closures and delays, please click here.

     
    ​Full-day DEP office closures are posted here when they occur.
     
    For delayed office openings, please contact your local DEP office. You can also find additional information on the Office of Administration website.