Onsite Waste Water Treatment Systems
Technical Resources
United States Environmental Protection Agency (USEPA):
- Septic Systems (Onsite/Decentralized Systems) home page
- Technical Information about Septic Systems (links)
- Decentralized Wastewater Systems Technology Fact Sheets (algunos folletos informativos están disponibles en Español)
- Onsite Wastewater Treatment Systems Manual (2002)
- Onsite Wastewater Treatment and Disposal Systems (1980)
California Code of Regulations, Title 24, Part 5 (California Plumbing Code):
International Association of Plumbing and Mechanical Officials (IAPMO) Product Certification:
NSF OWTS Standards and Protocols:
- NSF Onsite Wastewater Treatment Systems
- NSF/ANSI 46: Wastewater Treatment System Components and Devices
- NSF/ANSI 245: Nitrogen Reduction
Contractor Licenses:
- Contractor State Licensing Board
- Hiring a Licensed Contractor
- License Check
- Licensed General Engineering Contractor (Class A)
- General Building Contractor (Class B)
- Sanitation System Contractor (Specialty Class C-42)
- Plumbing Contractor (Specialty Class C-36)
- California Code of Regulations, Article 3, Division 8, Title 16
- Business and Professions Code, Chapter 9