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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 wastewater guidelines, looking for state-specific wastewater requirements, or seeking wastewater treatment design resources, this page connect you with valuable information from regulatory agencies, industry organizations, and wastewater professionals across the country.

10 States Standards for Wastewater

The 10 States Standards provide a widely referenced framework for domestic wastewater quality standards, onsite wastewater treatment, and the design, installation, and management of decentralized wastewater systems. Also known as the Ten State Standards, they provide recommended guidelines for wastewater treatment and system requirements and serve as an important reference for wastewater professionals and regulatory agencies.

The links below are compiled from a variety of authoritative sources.

US Environmental Protection Agency (EPA)

Funding Technical Assistance

Water Quality Research Foundation