Tapcensus

Cadmium violations in Hawaii

1 active public water systems in Hawaii had a Cadmium violation in the past three years. What Cadmium is and why it matters.

Health effects: Cadmium accumulates in the kidneys and can cause kidney damage with long-term exposure. It is classified by the EPA as a probable human carcinogen (Group B1). Bone demineralization and reproductive effects have also been observed at elevated exposure levels.

Systems with a Cadmium violation

Unresolved first, then largest first
SystemServesStatusRules violated, 3 yrUnresolved
Lanai City
Lanai · Maui County 		3,200 3 1
About this data

A system is counted once if any of its violations in the past three years involved Cadmium, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Cadmium alone.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Hawaii records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.