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LAKE SEVEN FALLS ASSN INC

Missouri — Community Water System — PWSID: MO4256181

System Information

PWSIDMO4256181
System NameLAKE SEVEN FALLS ASSN INC
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 3, 1982
Last ReportedDec 31, 2025

Location & Contact

StateMissouri
CityST GENEVIEVE
ZIP Code63670-0000
Address14958 LAKEVIEW DR
OrganizationGILL, KEITH
Phone—

Population & Service

Population Served475
Service Connections76

Drinking Water Violations (175)

This water system has 175 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 23, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2024 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6.63 PCI/L 5 pCi/L 5 Resolved Jun 30, 2025 Radionuclides and Revised Rad Rule
Jul 1, 2024 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6.63 PCI/L 5 pCi/L 5 Resolved Jun 30, 2025 Radionuclides and Revised Rad Rule
Jul 1, 2024 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6.63 PCI/L 5 pCi/L 5 Resolved Jun 30, 2025 Radionuclides and Revised Rad Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
Jun 1, 2024 Jun 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2024 Revised Total Coliform Rule
Apr 1, 2024 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 7.18 PCI/L 5 pCi/L 5 Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2024 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 7.18 PCI/L 5 pCi/L 5 Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2024 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 7.18 PCI/L 5 pCi/L 5 Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2024 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 7.18 PCI/L 5 pCi/L 5 Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 7.3 PCI/L 5 pCi/L 5 Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 7.3 PCI/L 5 pCi/L 5 Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 7.3 PCI/L 5 pCi/L 5 Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2023 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 7.53 PCI/L 5 pCi/L 5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2023 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 7.53 PCI/L 5 pCi/L 5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2023 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 7.53 PCI/L 5 pCi/L 5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2023 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.68 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2023 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.68 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2023 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.68 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2023 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.68 PCI/L 5 pCi/L 5 Resolved Jun 30, 2024 Radionuclides and Revised Rad 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
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Oct 25, 2013 Consumer Confidence Rule
Apr 1, 2012 — Lead and Copper Rule MR No No — TT — Resolved Jan 29, 2014 Lead and Copper Rule
Jul 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Oct 25, 2013 Consumer Confidence Rule
May 1, 2006 May 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2006 Total Coliform Rule
May 1, 2006 May 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2006 Total Coliform Rule
May 1, 2006 May 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2006 Total Coliform Rule
May 1, 2006 May 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2006 Total Coliform Rule
May 1, 2006 May 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2006 Total Coliform Rule
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Apr 1, 2006 Apr 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Nov 1, 2003 Nov 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2003 Total Coliform Rule
Nov 1, 2003 Nov 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2003 Total Coliform Rule
Nov 1, 2003 Nov 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2003 Total Coliform Rule
Nov 1, 2003 Nov 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2003 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1994 Total Coliform Rule
Nov 1, 1994 Nov 30, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 1994 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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