Tap Water Lookup

State

Missouri: drinking water records

EPA lists 1,432 community water systems serving homes in Missouri. 227 took part in EPA's national PFAS survey (UCMR 5), and 73 found at least one PFAS above the level laboratories can measure.

In focus1,432community water systems
Public records. Clearer context.

Data as of EPA UCMR 5 final release, August 2026 (file dated Aug 28, 2026) · EPA SDWIS 2026Q2 (file dated Jul 9, 2026). How we build these pages

0
ZIP reports published
1,432
community water systems
304
systems with a health-based violation since 2016
53
systems that reached the lead action level since 2016

PFAS in EPA’s final survey

73 of the 227 Missouri systems in EPA’s national PFAS survey found at least one PFAS, and 6 had a PFOA or PFOS yearly average at or above EPA’s limit. See Missouri’s PFAS results by system and compound.

Counties

ZIP reports

Beyond the Missouri overview

Pick a county. Then read the records.

PFASMissouri PFAS resultsWhich Missouri systems found PFAS in EPA’s final survey, and which compounds turned up most often.LeadLead in drinking waterHow EPA’s lead records work and what the action level means for your home’s pipes.Your utilityFind your annual water reportConfirm the supplier on your bill, then read its Consumer Confidence Report for local results.
All states and territories

Sources

EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Database prepared 2026-09-03.

Keep exploring

Every record tells
part of the story.

Find a place. Read the measurements.
Understand the context.

Explore water records