UNION, MO · Franklin County

ARGYLE ESTATES WATER SUPPLY Water System

Current status

5 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): MO6036126
System type: Community Water System
Population served: 380
Service connections: 161
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2025 – December 31, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
December 14, 2023
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
November 7, 2023
Unaddressed
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
August 28, 2023 – November 15, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
November 1, 2022 – July 19, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – January 17, 2023
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 4, 2021
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
August 27, 2021 – January 10, 2022
Resolved
Failure to Consult with State
—
Groundwater Rule
May 29, 2021 – January 10, 2022
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2021 – December 31, 2021
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2020 – November 9, 2020
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
December 2, 2019
Unaddressed
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
September 6, 2019 – November 14, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2016 – December 31, 2016
Resolved
Failure to Consult with State
—
Groundwater Rule
February 6, 2015 – August 31, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 20, 2013 – July 19, 2013
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2013 – May 3, 2016
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2012 – September 30, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2004 – September 11, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2003 – September 30, 2003
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – November 17, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2002 – November 30, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2001 – December 31, 2001
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
October 19, 1999 – July 3, 2000
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1996 – August 31, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1996 – March 31, 1996
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1992 – April 30, 1992
Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate-Nitrite	—	Archived
December 14, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
November 7, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
August 28, 2023 – November 15, 2023	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
November 1, 2022 – July 19, 2023	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2022 – January 17, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 4, 2021	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
August 27, 2021 – January 10, 2022	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
May 29, 2021 – January 10, 2022	Failure to Consult with State	Groundwater Rule	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2020 – November 9, 2020	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
December 2, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
September 6, 2019 – November 14, 2019	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
December 1, 2016 – December 31, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
February 6, 2015 – August 31, 2015	Failure to Consult with State	Groundwater Rule	—	Resolved
October 20, 2013 – July 19, 2013	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2013 – May 3, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
September 1, 2012 – September 30, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2004 – September 11, 2006	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 2003 – September 30, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2003 – November 17, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2002 – November 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2001 – December 31, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 19, 1999 – July 3, 2000	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 1996 – August 31, 1996	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
March 1, 1996 – March 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1994 – December 31, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
April 1, 1992 – April 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

November 27, 2024State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
October 9, 2024State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 15, 2023State Compliance achieved1 linked violation
September 27, 2023State Public Notification requested1 linked violation
September 27, 2023State Formal Notice of Violation issued1 linked violation
July 19, 2023State Compliance achieved1 linked violation
January 17, 2023State Compliance achieved1 linked violation
January 13, 2023State Public Notification received1 linked violation
December 13, 2022State Public Notification requested1 linked violation
December 13, 2022State Violation/Reminder Notice1 linked violation
February 15, 2022State Compliance achieved1 linked violation
January 21, 2022State Violation/Reminder Notice1 linked violation
January 21, 2022State Public Notification requested1 linked violation
January 10, 2022State Compliance achieved1 linked violation
November 8, 2021State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 24, 2021State Public Notification requested2 linked violations
September 24, 2021State Formal Notice of Violation issued2 linked violations
November 9, 2020State Compliance achieved2 linked violations
November 14, 2019State Compliance achieved2 linked violations
October 22, 2019State Formal Notice of Violation issued2 linked violations
October 22, 2019State Public Notification requested2 linked violations
December 28, 2018State Compliance achieved3 linked violations
December 19, 2017State Violation/Reminder Notice2 linked violations
January 26, 2017State Public Notification requested4 linked violations
August 31, 2015State Compliance achieved2 linked violations
August 28, 2015State Violation/Reminder Notice3 linked violations
June 8, 2015State Compliance achieved4 linked violations
January 22, 2014State Compliance achieved22 linked violations
July 19, 2013State Public Notification received3 linked violations
October 1, 2003State Public Notification requested1 linked violation
January 10, 2003State Public Notification requested6 linked violations
January 10, 2003State Violation/Reminder Notice28 linked violations

Contact

ARGYLE, ALBERT E

636-583-8415

UNION, MO 63084-0000