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POTOSI PWS

Missouri — Community Water System — PWSID: MO6010659

System Information

PWSIDMO6010659
System NamePOTOSI 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
CityPOTOSI
ZIP Code63664-0000
Address121 E HIGH ST
OrganizationBLOUNT, JOSEPH
Phone573-854-3898

Population & Service

Population Served2,527
Service Connections1,236

Drinking Water Violations (431)

This water system has 431 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
Apr 27, 2024 — Public Notice Other No No — — — Resolved May 17, 2024 Public Notice Rule and Revised PN Rule
Mar 1, 2023 Mar 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2023 Revised Total Coliform Rule
Mar 1, 2023 Mar 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2023 Revised Total Coliform Rule
Mar 1, 2023 Mar 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2023 Revised Total Coliform Rule
Mar 1, 2023 Mar 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2023 Revised Total Coliform Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Jun 1, 2013 Jun 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2013 Total Coliform Rule
Jun 1, 2013 Jun 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2013 Total Coliform Rule
Jun 1, 2013 Jun 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2013 Total Coliform Rule
Jun 1, 2013 Jun 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2013 Total Coliform Rule
Jun 1, 2013 Jun 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2013 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Apr 1, 2012 Apr 30, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 2012 Total Coliform Rule
Nov 10, 2011 — Public Notice Other No No — — — Resolved Oct 13, 2011 Public Notice Rule and Revised PN Rule
Nov 10, 2011 — Public Notice Other No No — — — Resolved Oct 13, 2011 Public Notice Rule and Revised PN Rule
Sep 14, 2011 — Public Notice Other No No — — — Resolved Aug 18, 2011 Public Notice Rule and Revised PN Rule
Sep 14, 2011 — Public Notice Other No No — — — Resolved Aug 18, 2011 Public Notice Rule and Revised PN Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 Total Coliform Rule
Sep 1, 2011 Sep 30, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2011 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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