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CHARTER OAK WATER SUPPLY

Iowa — Community Water System — PWSID: IA2417018

System Information

PWSIDIA2417018
System NameCHARTER OAK WATER SUPPLY
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedMar 17, 2026

Location & Contact

StateIowa
CityCHARTER OAK
ZIP Code51439
AddressATTN CRAIG WARNOCK WATER SUPT
OrganizationCHARTER OAK WATER SUPPLY
Phone712-269-1106

Population & Service

Population Served522
Service Connections306

Drinking Water Violations (183)

This water system has 183 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
Jul 1, 2019 Jul 31, 2019 MR No Yes — 0.080 mg/L — Resolved Jul 31, 2019 —
Jul 1, 2019 Jul 31, 2019 MR No Yes — 0.080 mg/L — Resolved Jul 31, 2019 —
Jul 1, 2019 Jul 31, 2019 MR No Yes — 0.060 mg/L — Resolved Jul 31, 2019 —
Jul 1, 2019 Jul 31, 2019 MR No Yes — 0.060 mg/L — Resolved Jul 31, 2019 —
Jul 1, 2019 Jul 31, 2019 MR No Yes — 0.080 mg/L — Resolved Jul 31, 2019 —
Jul 1, 2019 Jul 31, 2019 MR No Yes — 0.060 mg/L — Resolved Jul 31, 2019 —
Jul 1, 2019 Jul 31, 2019 MR No Yes — 0.060 mg/L — Resolved Jul 31, 2019 —
Jul 1, 2019 Jul 31, 2019 MR No Yes — 0.080 mg/L — Resolved Jul 31, 2019 —
Nov 1, 2014 Nov 30, 2014 MR No No — 5% of samples — Resolved Nov 30, 2014 —
Nov 1, 2014 Nov 30, 2014 MR No No — 5% of samples — Resolved Nov 30, 2014 —
Nov 1, 2014 Nov 30, 2014 MR No No — 5% of samples — Resolved Nov 30, 2014 —
Nov 1, 2014 Nov 30, 2014 MR No No — 5% of samples — Resolved Nov 30, 2014 —
May 1, 2003 May 31, 2003 MR No No — 5% of samples — Resolved May 31, 2003 —
May 1, 2003 May 31, 2003 MR No No — 5% of samples — Resolved May 31, 2003 —
May 1, 2003 May 31, 2003 MR No No — 5% of samples — Resolved May 31, 2003 —
Jun 1, 2002 Jun 30, 2002 MCL Yes No — 5% of samples — Resolved Jun 30, 2002 —
Jun 1, 2002 Jun 30, 2002 MCL Yes No — 5% of samples — Resolved Jun 30, 2002 —
Jun 1, 2002 Jun 30, 2002 MCL Yes No — 5% of samples — Resolved Jun 30, 2002 —
Jun 1, 2002 Jun 30, 2002 MCL Yes No — 5% of samples — Resolved Jun 30, 2002 —
Jun 1, 2002 Jun 30, 2002 MCL Yes No — 5% of samples — Resolved Jun 30, 2002 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
May 1, 2001 May 31, 2001 MCL Yes No — 5% of samples — Resolved May 31, 2001 —
Nov 1, 1995 Nov 30, 1995 MR No No — 5% of samples — Resolved Nov 30, 1995 —
Nov 1, 1995 Nov 30, 1995 MR No No — 5% of samples — Resolved Nov 30, 1995 —
Nov 1, 1995 Nov 30, 1995 MR No No — 5% of samples — Resolved Nov 30, 1995 —
Jan 1, 1994 Mar 31, 1994 MCL Yes No .085 0.005 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MCL Yes No .085 0.005 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MCL Yes No .085 0.005 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MCL Yes No .085 0.005 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MCL Yes No .085 0.005 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MCL Yes No .085 0.005 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MCL Yes No .085 0.005 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MCL Yes No .085 0.005 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Jan 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Oct 1, 1993 Dec 31, 1993 MR No Yes — 10 mg/L — Resolved Dec 31, 1993 —
Oct 1, 1993 Dec 31, 1993 MR No Yes — 10 mg/L — Resolved Dec 31, 1993 —

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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