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JOHNSON COUNTY AG ASSOCIATION

Iowa — Transient Non-Community — PWSID: IA5225901

System Information

PWSIDIA5225901
System NameJOHNSON COUNTY AG ASSOCIATION
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedNov 21, 2003
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityIOWA CITY
ZIP Code52246
AddressATTN MANDY ROURKE
OrganizationJOHNSON COUNTY AG ASSOCIATION
Phone319-325-4049

Population & Service

Population Served218
Service Connections30

Drinking Water Violations (137)

This water system has 137 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
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Oct 1, 2024 Sep 30, 2025 Nitrate MR No Yes — 10 mg/L — Archived Sep 30, 2025 Nitrate Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
Nov 28, 2023 — Public Notice Other No No — — — Resolved Jul 1, 2024 Public Notice Rule and Revised PN Rule
Nov 28, 2023 — Public Notice Other No No — — — Resolved Jul 1, 2024 Public Notice Rule and Revised PN Rule
Nov 28, 2023 — Public Notice Other No No — — — Resolved Jul 1, 2024 Public Notice Rule and Revised PN Rule
Nov 28, 2023 — Public Notice Other No No — — — Resolved Jul 1, 2024 Public Notice Rule and Revised PN Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jan 24, 2023 — Public Notice Other No No — — — Resolved Feb 22, 2023 Public Notice Rule and Revised PN Rule
Jan 24, 2023 — Public Notice Other No No — — — Resolved Feb 22, 2023 Public Notice Rule and Revised PN Rule
Jan 24, 2023 — Public Notice Other No No — — — Resolved Feb 22, 2023 Public Notice Rule and Revised PN Rule
Nov 22, 2022 — Public Notice Other No No — — — Resolved Nov 22, 2022 Public Notice Rule and Revised PN Rule
Nov 22, 2022 — Public Notice Other No No — — — Resolved Nov 22, 2022 Public Notice Rule and Revised PN Rule
Nov 22, 2022 — Public Notice Other No No — — — Resolved Nov 22, 2022 Public Notice Rule and Revised PN Rule
Sep 24, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 24, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 24, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 24, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 24, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 24, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 4, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 4, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 4, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Sep 4, 2022 — E. COLI MR No Yes — — — Resolved Dec 20, 2023 Ground Water Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule

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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