LACROSSE TOWN OF

Washington — Community Water System — PWSID: WA5343400

System Information

PWSID	WA5343400
System Name	LACROSSE TOWN OF
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	10
Serves School	No
Wholesaler	No
First Reported	Feb 7, 1981
Last Reported	Dec 11, 2025

Location & Contact

State	Washington
City	LACROSSE
ZIP Code	99143
Address	PO BOX 228
Organization	LACROSSE TOWN OF
Phone	—

Population & Service

Population Served	297
Service Connections	195

Drinking Water Violations (37)

This water system has 37 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
Jan 1, 2024	Dec 31, 2024	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2024	Nitrate Rule
Jul 1, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 8, 2023	Consumer Confidence Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 29, 2015	Consumer Confidence Rule
Sep 1, 2010	Sep 30, 2010	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2010	Total Coliform Rule
Feb 1, 2004	Feb 29, 2004	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Feb 29, 2004	Total Coliform Rule
Nov 1, 2003	Nov 30, 2003	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Nov 30, 2003	Total Coliform Rule
Jan 1, 2002	Dec 31, 2004	Pentachlorophenol	MR	No	Yes	—	0.001 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Dalapon	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Picloram	MR	No	Yes	—	0.5 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	Dinoseb	MR	No	Yes	—	0.007 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Jan 1, 2002	Dec 31, 2004	2,4,5-TP	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2004	Synthetic Organic Chemicals
Apr 1, 2000	Apr 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 2000	Total Coliform Rule
Apr 1, 2000	Apr 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 2000	Total Coliform Rule
Apr 1, 2000	Apr 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 2000	Total Coliform Rule
Feb 1, 2000	Feb 29, 2000	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Feb 29, 2000	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1997	Total Coliform Rule
Sep 1, 1997	Sep 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 1997	Total Coliform Rule
Sep 1, 1997	Sep 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 1997	Total Coliform Rule
Sep 1, 1997	Sep 30, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Sep 30, 1997	Total Coliform Rule
May 1, 1993	May 31, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	May 31, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Apr 30, 1993	Total Coliform Rule
Jun 1, 1992	Jun 30, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1992	Total Coliform Rule
Jun 1, 1992	Jun 30, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 1992	Total Coliform Rule
Jun 1, 1992	Jun 30, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1992	Total Coliform Rule
Jun 1, 1992	Jun 30, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jun 30, 1992	Total Coliform Rule
May 1, 1992	May 31, 1992	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	May 31, 1992	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
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MR	No	Yes	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Oct 1, 1991	Oct 31, 1991	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Oct 31, 1991	Total Coliform Rule
Nov 19, 1987	Dec 18, 1987	Nitrate	MCL	Yes	No	—	10 mg/L	—	Archived	Dec 18, 1987	Nitrate Rule
Oct 1, 1979	Oct 31, 1979	Gross Alpha, Excl. Radon and U	MR	No	No	—	15 pCi/L	—	Archived	Oct 31, 1979	Radionuclides and Revised Rad 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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