Enter your ZIP to identify your likely water system and what it reports — hardness, disinfectant and more, with sources shown. We'll also tell you what area data can't say about your tap.
We identify the likely public water system serving your area.
Every value shows its source, reporting period and confidence level.
Monitor, test, compare products or talk to a pro. Doing nothing is a valid outcome.
Utility reporting covers the system, not your address. Plumbing and service lines matter — we say so on every report.
Reducing water quality to a single score hides more than it shows. We show values, sources and limitations instead.
Reports use an anonymous link with no address or personal details in it, and they're excluded from search engines.