Check your water system’s federal record.
Use your address for the fastest answer. Search by utility, city, ZIP, or water body when you need a manual match.
21 million Americans are on systems with health-based drinking water violations.
Public water systems now required by federal law to report their lead service line inventory to EPA.
Built from EPA ECHO SDWA downloads.
Tap Truth covers regulated public water systems, not private wells. It uses EPA service-area boundaries first when available, then falls back to ZIP and county metadata when boundary coverage is missing or inconclusive.
Finding the utility behind an address
Match a home address to the most likely public water system serving that location.
Reading the federal record in plain English
Access health-based violations and monitoring issues from EPA's federal enforcement records, translated into plain English.
Checking your utility's lead pipe inventory
Federal law now requires utilities to report their lead service line inventory to EPA. Tap Truth shows what your utility submitted alongside its full violation record.
Why people use this
EPA drinking water records are public. Tap Truth translates them for any household.
Tap Truth turns system IDs, rule codes, and violation categories into a readable public record of what happened, when it happened, and whether the issue was resolved.
Step 1
Enter an address
Geocode the location and identify the public system serving that area.
Step 2
Match the system
Use service-area, ZIP, county, and search-based fallback logic already built into the app.
Step 3
Read the record
Review the official federal history, monitoring issues, and lead pipe inventory in one place.
Trust and limits
Built for any household, renter, or homebuyer — no technical background needed.
Tap Truth summarizes official EPA drinking water data for public systems. It does not replace lab testing and does not cover private wells.