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ROY L UTILITIES

Missouri — Community Water System — PWSID: MO6251710

System Information

PWSIDMO6251710
System NameROY L UTILITIES
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 10, 1983
Last ReportedDec 31, 2025

Location & Contact

StateMissouri
CityDES PERES
ZIP Code63131-0000
Address1630 DES PERES RD STE 140
OrganizationSASSEN, ISABEL
Phone314-464-3964

Population & Service

Population Served150
Service Connections60

Drinking Water Violations (94)

This water system has 94 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 1, 2025 Jun 30, 2025 LASSO MR No Yes — — — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 LASSO MR No Yes — — — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 LASSO MR No Yes — — — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Simazine MR No Yes — 0.004 mg/L — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Apr 1, 2025 Jun 30, 2025 Atrazine MR No Yes — 0.003 mg/L — Resolved Jun 30, 2025 Synthetic Organic Chemicals
Dec 30, 2023 — Lead and Copper Rule MR No No — TT — Resolved May 6, 2024 Lead and Copper Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MCL Yes No — — — Resolved Sep 30, 2018 Revised Total Coliform Rule
Jan 1, 2017 Dec 31, 2019 Radium-226 MR No Yes — — — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Radium-226 MR No Yes — — — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Radium-226 MR No Yes — — — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Radium-228 MR No Yes — — — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Radium-228 MR No Yes — — — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Radium-228 MR No Yes — — — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Radium-228 MR No Yes — — — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Radium-226 MR No Yes — — — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Dec 5, 2017 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Dec 5, 2017 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Dec 5, 2017 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Dec 5, 2017 Lead and Copper Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Sep 29, 2017 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Sep 29, 2017 Consumer Confidence Rule
Apr 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Feb 29, 2016 Lead and Copper Rule
Jan 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Feb 29, 2016 Lead and Copper Rule
Jan 23, 2006 — Public Notice Other No No — — — Resolved Dec 31, 2010 Public Notice Rule and Revised PN Rule
Dec 8, 2005 — Public Notice Other No No — — — Resolved Dec 31, 2010 Public Notice Rule and Revised PN Rule
Nov 1, 2005 Nov 30, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2005 Total Coliform Rule
Nov 1, 2005 Nov 30, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2005 Total Coliform Rule
Nov 1, 2005 Nov 30, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2005 Total Coliform Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2005 Total Coliform Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 2005 Total Coliform Rule
Jul 1, 2005 — Consumer Confidence Rule Other No No — — — Resolved Jun 27, 2006 Consumer Confidence Rule
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2004 Total Coliform Rule
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2004 Total Coliform Rule
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2004 Total Coliform Rule
Aug 1, 2004 Aug 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2004 Total Coliform Rule
Aug 1, 2004 Aug 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2004 Total Coliform Rule
Aug 1, 2004 Aug 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2004 Total Coliform Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Jun 27, 2006 Consumer Confidence 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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