LEWIS & CLARK STATE PARK

Washington — Transient Non-Community — PWSID: WA53SP460

System Information

PWSID	WA53SP460
System Name	LEWIS & CLARK 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	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	Castle Rock
ZIP Code	98611
Address	3029 Spirit Lake Highway
Organization	LEWIS & CLARK STATE PARK
Phone	—

Population & Service

Population Served	595
Service Connections	37

Drinking Water Violations (26)

This water system has 26 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, 2021	Aug 31, 2021	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Aug 31, 2021	Revised Total Coliform Rule
Aug 1, 2019	Aug 31, 2019	Revised Total Coliform Rule	MCL	Yes	No	—	—	—	Resolved	Aug 31, 2019	Revised Total Coliform Rule
Aug 1, 2018	Aug 31, 2018	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Aug 31, 2018	Revised Total Coliform Rule
Jan 1, 2018	Jan 31, 2018	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jan 31, 2018	Revised Total Coliform Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Jan 1, 2007	Dec 31, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2007	Nitrate Rule
Dec 1, 2006	Dec 31, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 2006	Total Coliform Rule
May 1, 2004	May 31, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 2004	Total Coliform Rule
Apr 1, 2004	Apr 30, 2004	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Apr 30, 2004	Total Coliform Rule
Jan 1, 2004	Dec 31, 2004	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2004	Nitrate Rule
May 1, 1999	May 31, 1999	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	May 31, 1999	Total Coliform Rule
Apr 1, 1999	Apr 30, 1999	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Apr 30, 1999	Total Coliform Rule
Oct 19, 1994	Nov 18, 1994	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 18, 1994	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Nov 30, 1993	Total Coliform Rule
Sep 1, 1993	Sep 30, 1993	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1993	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 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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