MARYHILL STATE PARK

Washington — Transient Non-Community — PWSID: WA53SP510

System Information

PWSID	WA53SP510
System Name	MARYHILL STATE PARK
System Type	Transient Non-Community
Water Source	Ground Water
Activity Status	Active
Owner Type	State
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Mar 11, 1983
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Goldendale
ZIP Code	98620
Address	50 Hwy 97
Organization	MARYHILL STATE PARK
Phone	—

Population & Service

Population Served	1,133
Service Connections	59

Drinking Water Violations (24)

This water system has 24 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
Aug 1, 2018	Aug 31, 2018	Revised Total Coliform Rule	MON	No	No	—	—	—	Resolved	Aug 31, 2018	Revised Total Coliform Rule
Jul 1, 2018	Jul 31, 2018	Revised Total Coliform Rule	MON	No	No	—	—	—	Resolved	Jul 31, 2018	Revised Total Coliform Rule
Nov 1, 2005	Nov 30, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 2005	Total Coliform Rule
Oct 1, 2005	Oct 31, 2005	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 2005	Total Coliform Rule
Nov 1, 2003	Nov 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Nov 30, 2003	Total Coliform Rule
Nov 1, 1996	Nov 30, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1996	Total Coliform Rule
Nov 1, 1996	Nov 30, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1996	Total Coliform Rule
Nov 1, 1996	Nov 30, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1996	Total Coliform Rule
Feb 1, 1996	Feb 29, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Feb 29, 1996	Total Coliform Rule
Oct 1, 1995	Oct 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1995	Total Coliform Rule
Feb 1, 1992	Feb 29, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Feb 29, 1992	Total Coliform Rule
Feb 1, 1992	Feb 29, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Feb 29, 1992	Total Coliform Rule
Feb 1, 1992	Feb 29, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Feb 29, 1992	Total Coliform Rule
Feb 1, 1992	Feb 29, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Feb 29, 1992	Total Coliform Rule
Jan 1, 1992	Jan 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 1992	Total Coliform Rule
Jan 1, 1992	Jan 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 1992	Total Coliform Rule
Jan 1, 1992	Jan 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 1992	Total Coliform Rule
Dec 1, 1991	Dec 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 1991	Total Coliform Rule
Dec 1, 1991	Dec 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 1991	Total Coliform Rule
Dec 1, 1991	Dec 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Dec 31, 1991	Total Coliform Rule
Nov 1, 1991	Nov 30, 1991	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Nov 30, 1991	Total Coliform Rule
Nov 1, 1991	Nov 30, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1991	Total Coliform Rule
Nov 1, 1991	Nov 30, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 1991	Total Coliform Rule
Nov 1, 1991	Nov 30, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 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.

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