Honolulu, HI Monthly Water Quality Summary

Monthly water quality reports for Honolulu, HI: PFAS detection trends, lead and copper rule monitoring history, and SDWIS regulated contaminant test results over time. Compare UCMR3 (2013-2015) and UCMR5 (2023-2025) sampling for the public water systems serving Honolulu, plus statewide patterns across Hawaii.