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Water system · PWSID IA2038701

SIRWA #3 (OSCEOLA)

CRESTON, IA · ~4,080 people served

Check your exact address → CRESTON overview
100
Excellent
PurityRadar safety score

PWSID

IA2038701

State

Iowa

City

CRESTON

Population served

4,080

Primary source

SWP

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 Apr 2025). Levels in parts per trillion (ppt).

PFBA

5.1 ppt

limit —

No federal limit

Violations & enforcement

10

Violations on record

0

Unaddressed

9

Health-based

36

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2015. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jun 2014 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2005 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2005 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2005 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2005 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2005 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 1999 Resolved

Recent enforcement actions

  • State action · SOX Sep 2015
  • State action · SIE Dec 2014
  • State action · SFJ Dec 2014
  • State action · SOX Aug 2006
  • State action · SOX Aug 2006
  • State action · SOX Aug 2006
  • State action · SOX Aug 2006
  • State action · SOX Aug 2006

This profile is built from EPA public records for system IA2038701 — 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.