SIOUX CENTER MUNICIPAL WATER DEPARTMENT

SIOUX CENTER, IA · ~8,231 people served

Check your exact address → SIOUX CENTER overview

100

Excellent

PurityRadar safety score

PWSID

IA8486053

State

Iowa

City

SIOUX CENTER

Population served

8,231

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

Lithium

77,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2023. Official EPA record →

Monitoring & reporting · Nitrate began May 2023 Resolved

Monitoring & reporting · Nitrate began Jan 1997 Resolved

Monitoring & reporting · Total coliform began Dec 1994 Resolved

Recent enforcement actions

State action · SIF Sep 2023
State action · SFJ Jul 2023
State action · SIE Jul 2023
State action · SOX Jun 2023
State action · SIF Jun 1997
State action · SFJ Apr 1997
State action · SIE Apr 1997
State action · SOX Apr 1997

This profile is built from EPA public records for system IA8486053 — 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.