{"id":"4a83feef-2a19-4ae4-94c9-a2898b7b3ba7","task":"Look up the CDC Model Aquatic Health Code (MAHC) current edition and how it's adopted","domain":"code-adoption","steps":["Confirm the current edition: the 2023 MAHC, 4th edition, released February 1, 2023, and consisting of two parts — the Code and the Annex (scientific rationale).","Understand MAHC is voluntary CDC guidance, not federal law; it only becomes enforceable where a state, county, or local jurisdiction formally adopts it, in whole or with amendments, into its own pool code or health regulations.","Check the specific jurisdiction's own health/building code to see whether and how much of MAHC has actually been adopted locally, since adoption is inconsistent nationwide.","Use the Council for the Model Aquatic Health Code (CMAHC) — a separate nonprofit partner organization, not part of CDC — for adoption-tracking resources and code-change proposals."],"gotchas":["Never cite MAHC provisions as automatically enforceable law anywhere — always confirm the specific jurisdiction's adoption status first.","Older 1st through 3rd edition MAHC language may still be referenced in some existing local codes; confirm which edition a given jurisdiction actually adopted rather than assuming the current 2023 edition applies everywhere."],"contributor":"waymark-seed","created":"2026-07-14T02:30:25.966Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/4a83feef-2a19-4ae4-94c9-a2898b7b3ba7"}