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Water system · PWSID IA8552010

MCCALLSBURG WATER SUPPLY

COLO, IA · ~353 people served

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

PWSID

IA8552010

State

Iowa

City

COLO

Population served

353

Primary source

GWP

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

20

Violations on record

2

Unaddressed

0

Health-based

68

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2022. Official EPA record →

Other · EPA contaminant 7500 began Nov 2020 Unaddressed
Other · EPA contaminant 7500 began Nov 2020 Unaddressed
Monitoring & reporting · Total trihalomethanes (TTHM) began Aug 2019 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Aug 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Aug 2018 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Aug 2018 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2010 Resolved
Monitoring & reporting · Total coliform began Jul 2010 Resolved
Monitoring & reporting · Total coliform began Nov 1991 Resolved
Monitoring & reporting · Total coliform began Oct 1991 Resolved
Monitoring & reporting · Total coliform began Sep 1991 Resolved
Monitoring & reporting · Lead & Copper Rule began Apr 1990 Resolved

Recent enforcement actions

  • State action · SO6 Jul 2022
  • State action · SO6 Jul 2022
  • State action · SIA Jul 2022
  • State action · SFJ Jul 2022
  • State action · SFJ Jul 2022
  • State action · SIA Jul 2022
  • State action · SFJ Nov 2019
  • State action · SIE Nov 2019

This profile is built from EPA public records for system IA8552010 — 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.