Governing Law and Regulations
Rhode Island Department of Environmental Management (DEM) Bureau of Environmental Protection Office of Water Resources
Narragansett Bay Commission (NBC)
U.S. Environmental Protection Agency (EPA) Region 1
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Rhode Island has adopted the federal pretreatment standards by reference. See the national section PRETREATMENT STANDARDS, and contact DEM for more information. Specific prohibitions or limits on pollutants that are more stringent than the national standards may be developed by a publicly owned treatment works.
In the event of any conflict with federal regulations, the more strict standard applies. Any additions or amendments to future federal regulations are automatically incorporated by reference. The requirements are necessary to help maintain the state's federally approved Rhode Island Pollutant Discharge Elimination System (RIPDES) and pretreatment programs.
Rhode Island has established requirements for the design and operation of OWTSs, including licensing requirements for designers and installers, ...