WYMOSA WATER ASSN INC

Idaho — Community Water System — PWSID: ID4010161

System Information

PWSID	ID4010161
System Name	WYMOSA WATER ASSN INC
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Mar 13, 1980
Last Reported	Dec 19, 2025

Location & Contact

State	Idaho
City	BOISE
ZIP Code	83703
Address	5005 WYLIE LN
Organization	LANKFORD, SUSAN
Phone	208-890-4778

Population & Service

Population Served	280
Service Connections	84

Drinking Water Violations (356)

This water system has 356 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
Dec 30, 2021	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 7, 2022	Lead and Copper Rule
Jul 1, 2017	Jul 31, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jul 31, 2017	Revised Total Coliform Rule
Jul 1, 2017	Jul 31, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jul 31, 2017	Revised Total Coliform Rule
Jul 1, 2017	Jul 31, 2017	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jul 31, 2017	Revised Total Coliform Rule
Jun 1, 2009	Jun 30, 2009	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 2009	Total Coliform Rule
Dec 1, 2001	Dec 31, 2001	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Dec 31, 2001	Total Coliform Rule
Jun 1, 1999	Jun 30, 1999	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Jun 30, 1999	Total Coliform Rule
Jan 1, 1999	Dec 31, 1999	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1999	Nitrate Rule
Jan 1, 1999	Dec 31, 1999	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1999	Nitrate Rule
Dec 1, 1998	Dec 31, 1998	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1998	Total Coliform Rule
Jan 1, 1998	Dec 31, 1998	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1998	Nitrate Rule
Jan 1, 1998	Dec 31, 1998	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1998	Nitrate Rule
Jan 1, 1998	Dec 31, 1998	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1998	Nitrate Rule
Jan 1, 1998	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jan 1, 1998	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Sep 1, 1996	Sep 30, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1996	Total Coliform Rule
Sep 1, 1996	Sep 30, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1996	Total Coliform Rule
Jul 1, 1996	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jul 1, 1996	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jul 1, 1996	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jul 1, 1996	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Apr 1, 1996	Apr 30, 1996	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Apr 30, 1996	Total Coliform Rule
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 1, 2001	Lead and Copper Rule
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 1, 2001	Lead and Copper Rule
Jan 1, 1996	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 1, 2001	Lead and Copper Rule
Sep 1, 1995	Sep 30, 1995	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1995	Total Coliform Rule
Sep 1, 1995	Sep 30, 1995	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1995	Total Coliform Rule
Sep 1, 1995	Sep 30, 1995	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1995	Total Coliform Rule
Sep 1, 1995	Sep 30, 1995	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Sep 30, 1995	Total Coliform Rule
Aug 1, 1995	Aug 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1995	Total Coliform Rule
Aug 1, 1995	Aug 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1995	Total Coliform Rule
Aug 1, 1995	Aug 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Aug 31, 1995	Total Coliform Rule
Aug 1, 1995	Aug 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Aug 31, 1995	Total Coliform Rule
Aug 1, 1995	Aug 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Aug 31, 1995	Total Coliform Rule
Aug 1, 1995	Aug 31, 1995	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Aug 31, 1995	Total Coliform Rule
Jul 1, 1995	Jul 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jul 31, 1995	Total Coliform Rule
Jul 1, 1995	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jul 1, 1995	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jul 1, 1995	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jul 1, 1995	Jul 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jul 31, 1995	Total Coliform Rule
Jul 1, 1995	Jul 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jul 31, 1995	Total Coliform Rule
Jul 1, 1995	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jul 1, 1995	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jul 1, 1995	Jul 31, 1995	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jul 31, 1995	Total Coliform Rule
Jul 1, 1995	Jun 30, 1997	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jun 30, 1997	Lead and Copper Rule
Jan 1, 1995	Dec 31, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Dec 31, 1995	Nitrate Rule
Jan 1, 1995	Dec 31, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Dec 31, 1995	Nitrate Rule
Jan 1, 1995	Dec 31, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Dec 31, 1995	Nitrate Rule
Jan 1, 1995	Dec 31, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Dec 31, 1995	Nitrate Rule
Jan 1, 1995	Dec 31, 1995	Nitrate	MR	No	Yes	—	10 mg/L	—	Archived	Dec 31, 1995	Nitrate 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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