FAIRFIELD WATER SUPPLY

FAIRFIELD, IA · ~9,821 people served

Check your exact address → FAIRFIELD overview

100

Excellent

PurityRadar safety score

PWSID

IA5131033

State

Iowa

City

FAIRFIELD

Population served

9,821

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Aug 2023). Levels in parts per trillion (ppt).

Lithium

199,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2014. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2013 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2013 Resolved

Max contaminant level (MCL) · Total coliform health-based began Dec 2004 Resolved

Monitoring & reporting · EPA contaminant 2050 began Apr 1996 Resolved

Monitoring & reporting · Total coliform began Jan 1995 Resolved

Recent enforcement actions

State action · SOX Jul 2014
State action · SOX Jul 2014
State action · SFJ Sep 2013
State action · SFJ Sep 2013
State action · SIE Sep 2013
State action · SIE Sep 2013
State action · SIF Jul 2013
State action · SIF Jul 2013

This profile is built from EPA public records for system IA5131033 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.