Public and semi-public pools
Detailed state public-pool rules are enforced by local health jurisdictions or the state health department.
WA · REGULATION RESEARCH BRIEF
Use this page to identify the correct questions and official starting points. Confirm the current rule, code edition, jurisdiction, project classification, and property address before design or contracting decisions.
Research reviewed September 25, 2026 · Requirements can changeDetailed state public-pool rules are enforced by local health jurisdictions or the state health department.
Single-family and owner-occupied duplex pools use the state building code and adopted ISPSC.
Verify contractor registration and regulated-trade licenses.
A transition toward the Model Aquatic Health Code was in progress.
ADDRESS-LEVEL CHECK
SOURCE DESK
Open the relevant agency material and verify its effective date, scope, amendments, and local administration.