OSCEOLA RURAL WATER SYSTEM-NORTH

MAY CITY, IA · ~7,002 people served

Check your exact address → MAY CITY overview

100

Excellent

PurityRadar safety score

PWSID

IA7227701

State

Iowa

City

MAY CITY

Population served

7,002

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

23,300 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 1997. Official EPA record →

Monitoring & reporting · Nitrate began Jul 1993 Resolved

Recent enforcement actions

State action · SFJ Jan 1997
State action · SIE Jan 1997
State action · SOX Jan 1997
State action · SOX Sep 1989
State action · SOX Sep 1989
State action · SIE Aug 1988
State action · SOX Aug 1988
State action · SIE Aug 1988

This profile is built from EPA public records for system IA7227701 — 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.