MOLALLA, CITY OF

Oregon — Community Water System — PWSID: OR4100534

System Information

PWSID	OR4100534
System Name	MOLALLA, CITY OF
System Type	Community Water System
Water Source	Surface Water
Activity Status	Active
Owner Type	Local
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Mar 12, 1979
Last Reported	Mar 25, 2026

Location & Contact

State	Oregon
City	MOLALLA
ZIP Code	97038
Address	PO BOX 248
Organization	MOLALLA, CITY OF
Phone	503-759-0241

Population & Service

Population Served	10,298
Service Connections	2,938

Drinking Water Violations (38)

This water system has 38 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Jan 1, 2025	Jan 31, 2025	MON	No	Yes	—	—	—	Resolved	Jan 31, 2025	—
Jan 1, 2025	Jan 31, 2025	MON	No	Yes	—	—	—	Resolved	Jan 31, 2025	—
Jan 1, 2024	Dec 31, 2024	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2024	—
Apr 1, 2023	Apr 30, 2023	MON	No	Yes	—	—	—	Resolved	Apr 30, 2023	—
Dec 1, 2014	Dec 31, 2014	MR	No	Yes	—	—	—	Resolved	Dec 31, 2014	—
Dec 1, 2014	Dec 31, 2014	MR	No	Yes	—	—	—	Resolved	Dec 31, 2014	—
Dec 1, 2014	Dec 31, 2014	MR	No	Yes	—	—	—	Resolved	Dec 31, 2014	—
Dec 1, 2014	Dec 31, 2014	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2014	—
Oct 1, 2014	Dec 31, 2014	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2014	—
Oct 1, 2014	Dec 31, 2014	MR	No	Yes	—	0.080 mg/L	—	Resolved	Dec 31, 2014	—
Jul 1, 2011	Jul 31, 2011	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2011	—
Jul 1, 2011	Jul 31, 2011	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2011	—
Jan 1, 2011	—	MR	No	No	—	TT	—	Resolved	Nov 6, 2012	—
Jan 1, 2011	—	MR	No	No	—	TT	—	Resolved	Nov 6, 2012	—
Jan 1, 2011	—	MR	No	No	—	TT	—	Resolved	Nov 6, 2012	—
Dec 1, 2009	Dec 31, 2009	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2009	—
Dec 1, 2009	Dec 31, 2009	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2009	—
Dec 1, 2009	Dec 31, 2009	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2009	—
Jul 1, 2009	Jul 31, 2009	MR	No	Yes	—	—	—	Resolved	Jul 31, 2009	—
Jul 1, 2009	Jul 31, 2009	MR	No	Yes	—	—	—	Resolved	Jul 31, 2009	—
Jul 1, 2009	Jul 31, 2009	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2009	—
Jul 1, 2009	Jul 31, 2009	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2009	—
Jul 1, 2009	Jul 31, 2009	MR	No	Yes	—	—	—	Resolved	Jul 31, 2009	—
Jul 1, 2009	Jul 31, 2009	MR	No	Yes	—	—	—	Resolved	Jul 31, 2009	—
Nov 1, 1997	Nov 30, 1997	MR	No	Yes	—	—	—	Resolved	Nov 30, 1997	—
Feb 1, 1996	Feb 29, 1996	TT	Yes	No	—	—	—	Resolved	Feb 29, 1996	—
Jan 1, 1996	Dec 31, 1996	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1996	—
Dec 1, 1995	Dec 31, 1995	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 1995	—
Jun 1, 1995	Jun 30, 1995	TT	Yes	No	—	—	—	Archived	Jun 30, 1995	—
Jul 1, 1994	—	MR	No	No	—	TT	—	Resolved	Sep 8, 1994	—
Jan 1, 1994	—	MR	No	No	—	TT	—	Resolved	Sep 8, 1994	—
Apr 1, 1993	Apr 30, 1993	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 1993	—
Aug 1, 1992	Aug 31, 1992	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 1992	—
Jul 1, 1992	Jul 31, 1992	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 1992	—
Aug 1, 1991	Aug 31, 1991	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 1991	—
Jul 1, 1991	Jul 31, 1991	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1991	—
Jun 1, 1976	May 31, 1980	MR	No	No	—	15 pCi/L	—	Archived	May 31, 1980	—
Jun 1, 1976	May 31, 1980	MR	No	No	—	5 pCi/L	—	Archived	May 31, 1980	—

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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