The Commonwealth Environmental Protection Act (PL 3-23) was enacted by the Legislature in 1982. To establish and enforce environmental standards to protect and preserve the natural resources of the Commonwealth and the right of each person to a clean and healthful public environment, as guaranteed by Section 9 of Article 1 of the Constitution. 

A limited set of DEQ regulations are available on this site for viewing and downloading, Regulations below are listed by subject. A full set of regulations are available for viewing at the DEQ main office as well as the CNMI Law Revision Commission Administrative Code Title 65: Bureau of Environmental & Coastal Quality, Division of Environmental Quality


Earthmoving & Erosion

Harmful Substance & Hazardous Waste

Pesticide & Used Oil

Storage Tanks: Aboveground & Underground

Waste & Litter Control



Drinking Water and Groundwater

Marine and Surface Waters




Last Updated 10/12/2021