How to Read Your Water Utility's EPA Violation Record

Two records, from the same underlying law

If you’ve ever gotten a mailer — or an insert with your water bill — titled something like “Annual Water Quality Report,” that’s your Consumer Confidence Report (CCR). Every US community water system is required by the Safe Drinking Water Act to send its customers one every year. The utility lookup tool on this site draws from a different but related source: SDWIS/ECHO, EPA’s federal compliance database, which covers every public water system in the country, not just the one that mails you a report. They answer different questions, and it’s worth knowing which one you’re looking at.

What a CCR actually tells you

A CCR is a snapshot: the levels of specific contaminants your utility actually detected in its most recent testing, laid out next to the legal limit for each one, plus a description of where your water comes from (a river, a reservoir, groundwater) and any special notices required that year. It’s useful and specific to your utility for the year it covers — but it’s a single year’s document, not a history, and it’s written to the format EPA requires, which doesn’t always make a multi-year compliance pattern easy to see.

What SDWIS/ECHO adds

SDWIS/ECHO is the federal system every state reports drinking-water violations into, and it’s what this site’s utility lookup and ZIP score both pull from. Two things it shows that a single CCR generally doesn’t:

• A multi-year window. This site looks at violations over the last five years, not just the most recent testing cycle — so a utility that had a serious problem three years ago and fixed it shows up differently than one with no history at all, even if this year’s CCR looks identical for both.
• Open vs. resolved status. EPA’s own records distinguish a violation that’s still unresolved from one the utility has already corrected. That distinction matters enormously and is easy to miss reading a CCR alone — see health-based vs. monitoring violations for how this site weighs the two.

Finding your own utility

The lookup tool searches by the utility’s legal name as filed with EPA — its PWS_NAME, in the database’s own field name — which is often close to but not exactly the name printed on your water bill (a city or county name, an abbreviation, or a rural water district’s formal name). The fastest way to find the exact name:

• Check your CCR or water bill. The utility’s official name is almost always printed at the top.
• Try a partial or a simplified name first. If “City of Springfield Water Department” doesn’t match, try just “Springfield.”
• Know it by county, not by name? Start from the ZIP score tool instead, which resolves your ZIP to its county and the utilities serving it automatically.

Reading the record without over- or under-reacting

A record with several violations listed isn’t automatically alarming, and a record with zero isn’t automatically all-clear. What matters is which violations they are, whether they’re still open, and how many people the system serves. The health-based-vs-monitoring guide linked above walks through exactly how to weigh that — read it alongside your own utility’s record rather than reacting to the raw count alone.

This guide is for informational purposes only. It explains how to read public EPA records and what this site's tools compute from them — it is not a health assessment, a water test, or a substitute for medical or professional advice about a specific address or a specific person's health.

Last reviewed: September 2026 · Against EPA's Consumer Confidence Report requirements and the SDWA/SDWIS bulk data this site is built from.