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IONA WATER DEPT

Idaho — Community Water System — PWSID: ID7100041

System Information

PWSIDID7100041
System NameIONA WATER DEPT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 13, 1980
Last ReportedDec 19, 2025

Location & Contact

StateIdaho
CityIONA
ZIP Code83427
AddressPO BOX 487
OrganizationPROUSE, ZECH
Phone208-523-5600

Population & Service

Population Served2,717
Service Connections1,000

Drinking Water Violations (15)

This water system has 15 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 2015 Total Coliform Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2014 Total Coliform Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2014 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2011 Total Coliform Rule
Oct 1, 2011 Oct 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2011 Total Coliform Rule
Jan 1, 2001 Dec 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2001 Nitrate Rule
Jan 1, 2001 Dec 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2001 Nitrate Rule
Jan 1, 1997 Dec 31, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1997 Nitrate Rule
Jun 1, 1992 Jun 30, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1992 Total Coliform Rule
— — — No No — — — — — —

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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