Regulations governing the practice of environmental health (including waste water specialists) in Oregon are contained in Oregon Revised Statutes (ORS) 700.005-700.240 and 700.992-700.995. Oregon Administrative Rules (OAR) for environmental health specialists are contained in Chapter 338, Divisions 005-030.
Oregon Health Licensing Agency (OHLA) central agency statutes and rules related to procedural, administrative, licensing and regulatory compliance requirements for all OHLA-regulated professions are found in ORS 676.600-676.625 and 676.992 and OAR 331, Divisions 001-030.
The above rules link directly to the Secretary of State and may not reflect recently adopted rules. OHLA offers the most recently adopted rules in PDF file format below.