All customer facing DEEP services have returned to normal business operations. For detailed information on what this means, visit our “New Normal” website: DEEP New Normal Information

Find DEEP Documents through our Online Search Portal

This portal provides easily searchable, direct access to many documents electronically produced or digitally scanned by DEEP. Please Note: At the current time, there are a limited number of documents available through the Search Portal. Please review More Information and FAQs for a list of the currently available Agency program documents, field definitions, and updates. More and more documents are continually added. View a demo of the Online Search Portal.


Access Environmental Data through the CT Open Data Portal

Through this portal (which contains all kinds of data provided by Connecticut State Agencies), you can access many data subsets in the environment and natural resources category — all of which can be quickly searched, sorted and tabulated.


Access DEEP GIS Data through the GIS Open Data Portal

Through this automated geographic storage and retrieval system that DEEP maintains, you can access and analyze large amounts of spatial mapping and file data over any selected geographic area in the state.


Access DEEP’s Environmental Quality Records Center (File Room)

Find documents, access datasets, review file procedures, and make an appointment online. The File Room is accessible Tuesday, Wednesday and Thursday (9:00 - 11:30 a.m. and 1:00 - 2:30 p.m.)


Access DEEP Books, Guidebooks & Magazines

Through the DEEP store, you can access and download all kinds of helpful information about the state’s natural resources. You can also link to the entire DEEP Online Store by clicking here.   


Purchase and Access DEEP Maps, Charts & Data

DEEP also offers online access to helpful mapping and location information.    


Purchase a State Park Vehicle Pass

If you’re not a resident of Connecticut and would like unlimited access to our state’s parks and beaches, purchase a State Park Vehicle pass at our online DEEP store. If your vehicle has an up-to-date Connecticut license plate, you can already park free at all state parks and beaches — thanks to our Passport to the Parks program.


Call, Fax or Email Key Contacts at DEEP

Click here for key contact information from across Connecticut’s Department of Energy and Environmental Protection. You can also check here to see an organizational chart of our staff.


Sign Up for DEEP eAlerts and newsletters

Stay up-to-date on public notices, newsletters, and updates to DEEP's webpages by signing up for our emails through DEEP eAlerts.