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MO AMERICAN IRONTON

Missouri — Community Water System — PWSID: MO4010402

System Information

PWSIDMO4010402
System NameMO AMERICAN IRONTON
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedMar 7, 1980
Last ReportedDec 31, 2025

Location & Contact

StateMissouri
CityCHESTERFIELD
ZIP Code63017-0000
Address901 HOG HOLLOW RD
OrganizationMILLER, STEVE
Phone—

Population & Service

Population Served1,460
Service Connections695

Drinking Water Violations (62)

This water system has 62 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, 2025 Sep 30, 2025 TTHM MCL Yes No 84.53 UG/L 0.080 mg/L 80 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No 82 UG/L 0.080 mg/L 80 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No 82 UG/L 0.080 mg/L 80 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No 82 UG/L 0.080 mg/L 80 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No 82 UG/L 0.080 mg/L 80 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No 83.2 UG/L 0.080 mg/L 80 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No 83.2 UG/L 0.080 mg/L 80 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No 83.2 UG/L 0.080 mg/L 80 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No 83.2 UG/L 0.080 mg/L 80 Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No 88.25 UG/L 0.080 mg/L 80 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No 88.25 UG/L 0.080 mg/L 80 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No 88.25 UG/L 0.080 mg/L 80 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No 61.45 UG/L 0.060 mg/L 60 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No 61.45 UG/L 0.060 mg/L 60 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No 61.45 UG/L 0.060 mg/L 60 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MCL Yes No 61.45 UG/L 0.060 mg/L 60 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MCL Yes No 88.25 UG/L 0.080 mg/L 80 Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No 85.88 UG/L 0.080 mg/L 80 Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No 85.88 UG/L 0.080 mg/L 80 Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No 85.88 UG/L 0.080 mg/L 80 Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No 85.88 UG/L 0.080 mg/L 80 Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No 88 UG/L 0.080 mg/L 80 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No 88 UG/L 0.080 mg/L 80 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No 88 UG/L 0.080 mg/L 80 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No 88 UG/L 0.080 mg/L 80 Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No 81 UG/L 0.080 mg/L 80 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No 81 UG/L 0.080 mg/L 80 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No 81 UG/L 0.080 mg/L 80 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No 81 UG/L 0.080 mg/L 80 Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2022 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Dec 11, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2022 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Dec 11, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2022 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Dec 11, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2022 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Dec 11, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2022 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Dec 11, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No 87 UG/L 0.080 mg/L 80 Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No 87 UG/L 0.080 mg/L 80 Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No 87 UG/L 0.080 mg/L 80 Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No 87 UG/L 0.080 mg/L 80 Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2007 Apr 30, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Apr 30, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2007 Apr 30, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Apr 30, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2007 Mar 31, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Mar 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2007 Mar 31, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Mar 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2007 Feb 28, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2007 Feb 28, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2007 Feb 28, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2007 Feb 28, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2007 Feb 28, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2007 Jan 31, 2007 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jan 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment 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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