DES PERES, MO · Benton County

THE MISSING WELL Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

System facts

System ID (PWSID): MO3031366
System type: Community Water System
Population served: 173
Service connections: 68
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2015 – August 31, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 21, 2011 – July 11, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2011 – November 30, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2011 – August 31, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – February 19, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 30, 2011 – July 11, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2011 – June 30, 2011
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 21, 2011 – July 11, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 27, 2011 – July 11, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
January 29, 2011 – July 11, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 30, 2010 – July 11, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 2, 2010 – July 11, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2010 – October 31, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2010 – August 31, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – March 31, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2010 – July 31, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
June 25, 2010 – July 11, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2010 – June 30, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 27, 2010 – July 11, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 25, 2010 – July 11, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 26, 2010 – July 11, 2013
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2009 – August 31, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 1, 2008 – July 11, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
May 1, 2008 – July 11, 2013
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 1, 2008 – July 11, 2013
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2006 – December 31, 2006
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
August 1, 2015 – August 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 21, 2011 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
November 1, 2011 – November 30, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2011 – October 31, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2011 – September 30, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2011 – August 31, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2011 – February 19, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 30, 2011 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2011 – June 30, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 21, 2011 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 27, 2011 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 29, 2011 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 30, 2010 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2010 – December 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 2, 2010 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2010 – October 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2010 – August 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2010 – March 31, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2010 – July 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 25, 2010 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
June 1, 2010 – June 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 27, 2010 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2010 – May 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 25, 2010 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 26, 2010 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring, Regular	Radium-228	—	Resolved
August 1, 2009 – August 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2008 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
May 1, 2008 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
March 1, 2008 – July 11, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Fluoride	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

May 1, 2024State Compliance achieved1 linked violation
April 24, 2024State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 29, 2016State Violation/Reminder Notice4 linked violations
August 21, 2015State Formal Notice of Violation issued3 linked violations
June 6, 2012State Public Notification received49 linked violations
March 6, 2012State Public Notification issued28 linked violations
January 18, 2012State Public Notification requested11 linked violations
October 21, 2011State Violation/Reminder Notice1 linked violation
October 4, 2011State Public Notification issued14 linked violations
September 22, 2011State Public Notification requested1 linked violation
August 23, 2011State Public Notification requested1 linked violation
August 23, 2011State Violation/Reminder Notice1 linked violation
July 21, 2011State Public Notification requested1 linked violation
July 21, 2011State Violation/Reminder Notice1 linked violation
June 21, 2011State Violation/Reminder Notice1 linked violation
June 21, 2011State Public Notification requested1 linked violation
June 13, 2011State Public Notification issued14 linked violations
May 20, 2011State Public Notification requested1 linked violation
May 20, 2011State Violation/Reminder Notice1 linked violation
April 20, 2011State Public Notification requested1 linked violation
April 20, 2011State Violation/Reminder Notice1 linked violation
March 21, 2011State Public Notification requested1 linked violation
March 21, 2011State Violation/Reminder Notice1 linked violation
February 23, 2011State Violation/Reminder Notice1 linked violation
February 23, 2011State Public Notification requested1 linked violation
February 18, 2011State Public Notification issued14 linked violations
February 7, 2011State Compliance achieved1 linked violation
January 20, 2011State Public Notification requested1 linked violation
January 20, 2011State Violation/Reminder Notice1 linked violation
December 31, 2010State Intentional no-action35 linked violations
December 20, 2010State Violation/Reminder Notice1 linked violation
December 20, 2010State Public Notification requested1 linked violation
November 30, 2010State Public Notification issued14 linked violations
November 19, 2010State Violation/Reminder Notice1 linked violation
November 19, 2010State Public Notification requested1 linked violation
October 22, 2010State Public Notification requested1 linked violation
October 22, 2010State Violation/Reminder Notice1 linked violation
September 30, 2010State Compliance achieved12 linked violations
September 23, 2010State Public Notification issued14 linked violations
September 20, 2010State Violation/Reminder Notice1 linked violation
September 20, 2010State Public Notification requested1 linked violation
August 27, 2010State Public Notification requested1 linked violation
August 27, 2010State Violation/Reminder Notice1 linked violation
July 21, 2010State Public Notification requested1 linked violation
July 21, 2010State Violation/Reminder Notice1 linked violation
June 30, 2010State Public Notification requested2 linked violations
June 30, 2010State Violation/Reminder Notice2 linked violations
June 29, 2010State Public Notification requested1 linked violation
June 29, 2010State Violation/Reminder Notice1 linked violation
June 1, 2010State Public Notification issued14 linked violations
May 24, 2010State Public Notification requested1 linked violation
April 26, 2010State Public Notification requested3 linked violations
April 26, 2010State Violation/Reminder Notice2 linked violations
April 20, 2010State Public Notification requested4 linked violations
March 22, 2010State Public Notification requested3 linked violations
January 28, 2010State Public Notification requested3 linked violations
January 28, 2010State Violation/Reminder Notice3 linked violations
December 29, 2009State Public Notification requested2 linked violations
December 29, 2009State Violation/Reminder Notice2 linked violations
December 21, 2009State Public Notification requested2 linked violations
October 1, 2009State Violation/Reminder Notice3 linked violations
August 26, 2009State Violation/Reminder Notice6 linked violations
February 19, 2009State Public Notification issued72 linked violations
December 19, 2008State Violation/Reminder Notice40 linked violations
July 30, 2008State Public Notification requested47 linked violations
May 29, 2008State Public Notification issued28 linked violations
December 4, 2007State Public Notification issued40 linked violations
June 4, 2007State Boil Water Order210 linked violations
May 24, 2007State Public Notification issued118 linked violations
July 18, 2006State Public Notification requested86 linked violations

Contact

SASSEN, ISABEL

314-464-3964

DES PERES, MO 63131-0000