THE MISSING WELL

Missouri — Community Water System — PWSID: MO3031366

System Information

PWSID	MO3031366
System Name	THE MISSING WELL
System Type	Community Water System
Water Source	Surface Water Purchased
Activity Status	Active
Owner Type	Private
EPA Region	07
Serves School	No
Wholesaler	No
First Reported	Oct 9, 2002
Last Reported	Dec 31, 2025

Location & Contact

State	Missouri
City	DES PERES
ZIP Code	63131-0000
Address	1630 DES PERES RD STE 140
Organization	SASSEN, ISABEL
Phone	314-464-3964

Population & Service

Population Served	173
Service Connections	68

Drinking Water Violations (1,455)

This water system has 1,455 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
Dec 30, 2023	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	May 1, 2024	Lead and Copper Rule
Oct 1, 2016	Oct 31, 2016	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Oct 31, 2016	Revised Total Coliform Rule
Oct 1, 2016	Oct 31, 2016	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Oct 31, 2016	Revised Total Coliform Rule
Oct 1, 2016	Oct 31, 2016	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Oct 31, 2016	Revised Total Coliform Rule
Oct 1, 2016	Oct 31, 2016	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Oct 31, 2016	Revised Total Coliform Rule
Aug 1, 2015	Aug 31, 2015	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2015	Total Coliform Rule
Aug 1, 2015	Aug 31, 2015	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2015	Total Coliform Rule
Aug 1, 2015	Aug 31, 2015	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2015	Total Coliform Rule
Aug 1, 2015	Aug 31, 2015	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2015	Total Coliform Rule
Sep 1, 2012	Sep 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2012	Total Coliform Rule
Sep 1, 2012	Sep 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2012	Total Coliform Rule
Sep 1, 2012	Sep 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2012	Total Coliform Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2012	Total Coliform Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2012	Total Coliform Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2012	Total Coliform Rule
Jun 1, 2012	Jun 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2012	Total Coliform Rule
Jan 21, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Jan 21, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Jan 21, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Dec 21, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Dec 21, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Dec 21, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Dec 1, 2011	Dec 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2011	Total Coliform Rule
Nov 20, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Nov 20, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Nov 20, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Nov 1, 2011	Nov 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2011	Total Coliform Rule
Oct 23, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Oct 23, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Oct 23, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN Rule
Oct 1, 2011	Oct 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2011	Total Coliform Rule
Oct 1, 2011	Oct 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2011	Total Coliform Rule
Oct 1, 2011	Oct 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2011	Total Coliform Rule
Oct 1, 2011	Oct 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2011	Total Coliform Rule
Oct 1, 2011	Oct 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2011	Total Coliform Rule
Oct 1, 2011	Oct 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2011	Total Coliform Rule
Oct 1, 2011	Oct 31, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2011	Total Coliform Rule
Sep 21, 2011	—	Public Notice	Other	No	No	—	—	—	Resolved	Jul 11, 2013	Public Notice Rule and Revised PN 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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