GASCONADE PWS

Missouri — Community Water System — PWSID: MO6010302

System Information

PWSID	MO6010302
System Name	GASCONADE PWS
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	07
Serves School	No
Wholesaler	No
First Reported	Mar 7, 1980
Last Reported	Dec 31, 2025

Location & Contact

State	Missouri
City	GASCONADE
ZIP Code	65036-0000
Address	493 OAK ST
Organization	GREEN, DEBBIE
Phone	573-294-7348

Population & Service

Population Served	280
Service Connections	98

Drinking Water Violations (50)

This water system has 50 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
Jul 1, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 1, 2023	Consumer Confidence Rule
Jul 1, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 1, 2023	Consumer Confidence Rule
Jul 1, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 10, 2020	Consumer Confidence Rule
Jul 1, 2019	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 10, 2020	Consumer Confidence Rule
Jul 1, 2019	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 10, 2020	Consumer Confidence Rule
Jul 1, 2013	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 10, 2020	Consumer Confidence Rule
Jul 1, 2013	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 10, 2020	Consumer Confidence Rule
Jul 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 7, 2014	Consumer Confidence Rule
Jan 1, 2012	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Nov 14, 2014	Lead and Copper Rule
Jun 1, 2009	Jun 30, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2009	Total Coliform Rule
Jun 1, 2009	Jun 30, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2009	Total Coliform Rule
Jun 1, 2009	Jun 30, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2009	Total Coliform Rule
Jun 1, 2009	Jun 30, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2009	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jun 1, 2008	Jun 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2008	Total Coliform Rule
Jul 1, 2007	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 1, 2008	Consumer Confidence Rule
Nov 1, 2003	Nov 30, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2003	Total Coliform Rule
Nov 1, 2003	Nov 30, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2003	Total Coliform Rule
Nov 1, 2003	Nov 30, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2003	Total Coliform Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Oct 1, 2003	Oct 31, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2003	Total Coliform Rule
Jul 1, 2003	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jun 25, 2004	Consumer Confidence Rule
Apr 1, 2003	Apr 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2003	Total Coliform Rule
Apr 1, 2003	Apr 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2003	Total Coliform Rule
Apr 1, 2003	Apr 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2003	Total Coliform Rule
Apr 1, 2003	Apr 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2003	Total Coliform Rule
Apr 1, 2003	Apr 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2003	Total Coliform Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jun 25, 2004	Consumer Confidence Rule
Apr 1, 1999	Apr 30, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 1999	Total Coliform Rule
Nov 1, 1998	Nov 30, 1998	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1998	Total Coliform Rule
Feb 1, 1993	Feb 28, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1993	Total Coliform Rule
Feb 1, 1993	Feb 28, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1993	Total Coliform Rule
Feb 1, 1993	Feb 28, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 1993	Total Coliform Rule
Jan 1, 1993	Dec 31, 1993	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 1993	Nitrate Rule
Jan 1, 1993	Dec 31, 1993	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 1993	Nitrate Rule
Jan 1, 1993	Dec 31, 1993	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 1993	Nitrate Rule
Aug 1, 1991	Aug 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1991	Total Coliform Rule
Aug 1, 1991	Aug 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1991	Total Coliform Rule
Aug 1, 1991	Aug 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1991	Total Coliform Rule
Jun 1, 1991	Jun 30, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1991	Total Coliform Rule
Jun 1, 1991	Jun 30, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1991	Total Coliform Rule
Jun 1, 1991	Jun 30, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 1991	Total Coliform Rule
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—

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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