State Wastewater Regulations & Resources
NOWRA provides access to state wastewater regulations, technical guidance, and industry resources that support professionals working with onsite and decentralized wastewater systems. Whether you are researching the Ten States Standards, looking for state-specific wastewater requirements, or seeking wastewater treatment design resources, this page connects you with valuable information from regulatory agencies, industry organizations, and wastewater professionals across the country.
The Ten States Standards for wastewater facilities serve as a widely recognized benchmark for the design, review, and approval of wastewater collection and treatment systems across the United States. Also referred to as the 10 States Standards wastewater guidelines, these recommended standards help engineers, regulators, and industry professionals maintain consistent wastewater treatment design practices that protect public health and water quality.
The links below are compiled from a variety of authoritative sources.
US Environmental Protection Agency (EPA)
- State Wastewater Regulatory Contacts
- EPA Regional Office Septic System Contacts
- Advanced Onsite Technology Products Approved by State - This provides a Web-based list of links to State-by-State information regarding the advanced technology products approved for use, the product approval process, and the States’ department which oversees the use of advanced treatment systems for decentralized wastewater management.
- Funding for Septic Systems. This page lists a variety of federal, regional and state programs to help fund repairs to or replacement of septic systems.
- Clean Water State Revolving Fund - Provides grants to all 50 states and Puerto Rico to operate a revolving loan program that provides low-interest financing for wastewater and other water quality projects. Over half of the states have developed special programs for small, disadvantaged communities. State CWSRF Program Contacts.
- Nonpoint Source Program (Section 319 Program) - Provides grants to States, territories, and Indian tribes to support a wide variety of activities (including technical assistance, financial assistance, education, training, technology transfer, demonstration projects, and monitoring) to encourage State and local efforts to reduce non-point source pollution.
- Training Centers for Onsite Wastewater Treatment
Funding Technical Assistance
- EPA Environmental Finance Program - This EPA program provides financial technical assistance to the regulated community and creates partnerships with state and local governments and the private sector to fund environmental needs.
- EPA Region 01 Environmental Finance Center at the University of Southern Maine
- EPA Region 02 The Environmental Finance Center at Syracuse University
- EPA Region 03 Environmental Finance Center at the University of Maryland
- EPA Region 04 Environmental Finance Center at the University of North Carolina
- EPA Region 05 Great Lakes Environmental Finance Center at Michigan Institute of Technology
- EPA Region 06 Southwest Environmental Finance Center at the University of New Mexico
- EPA Region 07 Wichita State University Environmental Finance Center
- EPA Region 08 National Rural Water Association Environmental Finance Center
- EPA Region 09 Environmental Finance Center at Sacramento State
- EPA Region 10 Environmental Finance Center at the Rural Community Assistance Corporation