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NIANGUA PWS

Missouri — Community Water System — PWSID: MO5010575

System Information

PWSIDMO5010575
System NameNIANGUA PWS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedMar 7, 1980
Last ReportedDec 31, 2025

Location & Contact

StateMissouri
CityNIANGUA
ZIP Code65713-0000
Address135 S COMMERCIAL ST
OrganizationPETTY, TIM
Phone417-473-6449

Population & Service

Population Served411
Service Connections178

Drinking Water Violations (67)

This water system has 67 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
May 1, 2025 — E. COLI MR No Yes — — — Resolved May 14, 2025 Ground Water Rule
May 1, 2025 — E. COLI MR No Yes — — — Resolved May 14, 2025 Ground Water Rule
May 1, 2025 — E. COLI MR No Yes — — — Resolved May 14, 2025 Ground Water Rule
May 1, 2025 — E. COLI MR No Yes — — — Resolved May 14, 2025 Ground Water 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 7, 2024 — Public Notice Other No No — — — Resolved Jun 13, 2025 Public Notice Rule and Revised PN Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Aug 12, 2024 — Revised Total Coliform Rule TT Yes No — — — Resolved Aug 23, 2024 Revised Total Coliform Rule
Aug 12, 2024 — Revised Total Coliform Rule TT Yes No — — — Resolved Aug 23, 2024 Revised Total Coliform Rule
Aug 12, 2024 — Revised Total Coliform Rule TT Yes No — — — Resolved Aug 23, 2024 Revised Total Coliform Rule
Aug 12, 2024 — Revised Total Coliform Rule TT Yes No — — — Resolved Aug 23, 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
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Sep 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Sep 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Sep 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Sep 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Nov 29, 2022 Consumer Confidence Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2019 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2019 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2019 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2019 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Mar 1, 2019 Mar 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2019 Revised Total Coliform Rule
Nov 1, 2010 Nov 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2010 Total Coliform Rule
Nov 1, 2010 Nov 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2010 Total Coliform Rule
Nov 1, 2010 Nov 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2010 Total Coliform Rule
Nov 1, 2010 Nov 30, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2010 Total Coliform Rule
Feb 1, 2010 Feb 28, 2010 Coliform (TCR) MR No No — 5% of samples — Archived Feb 28, 2010 Total Coliform Rule
Feb 1, 2010 Feb 28, 2010 Coliform (TCR) MR No No — 5% of samples — Archived Feb 28, 2010 Total Coliform Rule
Feb 1, 2010 Feb 28, 2010 Coliform (TCR) MR No No — 5% of samples — Archived Feb 28, 2010 Total Coliform Rule
Jun 1, 2009 Jun 30, 2009 Coliform (TCR) MR No No — 5% of samples — Archived Jun 30, 2009 Total Coliform Rule
Jun 1, 2009 Jun 30, 2009 Coliform (TCR) MR No No — 5% of samples — Archived Jun 30, 2009 Total Coliform Rule
Jun 1, 2009 Jun 30, 2009 Coliform (TCR) MR No No — 5% of samples — Archived Jun 30, 2009 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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