MALDEN PWS

Missouri — Community Water System — PWSID: MO4010490

System Information

PWSID	MO4010490
System Name	MALDEN 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	MALDEN
ZIP Code	63863-0000
Address	607 N DOUGLAS ST
Organization	KOOYMAN, DENTON
Phone	573-276-4502

Population & Service

Population Served	3,706
Service Connections	1,802

Drinking Water Violations (42)

This water system has 42 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
Sep 1, 2025	Sep 30, 2025	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Sep 26, 2025	Revised Total Coliform Rule
Sep 1, 2025	Sep 30, 2025	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Sep 26, 2025	Revised Total Coliform Rule
Sep 1, 2025	Sep 30, 2025	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Sep 26, 2025	Revised Total Coliform Rule
Sep 1, 2025	Sep 30, 2025	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Sep 26, 2025	Revised Total Coliform Rule
Sep 1, 2025	Sep 30, 2025	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Sep 26, 2025	Revised Total Coliform Rule
Oct 1, 2024	—	Lead and Copper Rule	MR	No	No	—	TT	—	Unaddressed	—	Lead and Copper Rule
Jul 1, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 9, 2020	Consumer Confidence Rule
Jul 1, 2019	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 9, 2020	Consumer Confidence Rule
Jul 1, 2019	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Nov 9, 2020	Consumer Confidence Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	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
Sep 1, 2012	Sep 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2012	Total Coliform Rule
Oct 1, 1995	Oct 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1995	Total Coliform Rule
Oct 1, 1995	Oct 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1995	Total Coliform Rule
Oct 1, 1995	Oct 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1995	Total Coliform Rule
Oct 1, 1995	Oct 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1995	Total Coliform Rule
Oct 1, 1994	Oct 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1994	Total Coliform Rule
Oct 1, 1994	Oct 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1994	Total Coliform Rule
Oct 1, 1994	Oct 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1994	Total Coliform Rule
Oct 1, 1994	Oct 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1994	Total Coliform Rule
Mar 1, 1994	Mar 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Mar 31, 1994	Total Coliform Rule
Mar 1, 1994	Mar 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Mar 31, 1994	Total Coliform Rule
Mar 1, 1994	Mar 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Mar 31, 1994	Total Coliform Rule
Mar 1, 1994	Mar 31, 1994	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Mar 31, 1994	Total Coliform Rule
Aug 1, 1993	Aug 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1993	Total Coliform Rule
Aug 1, 1993	Aug 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1993	Total Coliform Rule
Aug 1, 1993	Aug 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1993	Total Coliform Rule
Aug 1, 1993	Aug 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1993	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1992	Total Coliform Rule
Oct 1, 1992	Oct 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1992	Total Coliform Rule
May 1, 1991	May 31, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 1991	Total Coliform Rule
Apr 1, 1991	Apr 30, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Apr 30, 1991	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.

Browse All Water Systems Water Safety Stats Water Safety Home

Browse All Water Systems Water Systems in Missouri