Big Lake

Minnesota — Community Water System — PWSID: MN1710002

System Information

PWSID	MN1710002
System Name	Big Lake
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	05
Serves School	No
Wholesaler	No
First Reported	Jan 24, 1981
Last Reported	Nov 25, 2025

Location & Contact

State	Minnesota
City	Big Lake
ZIP Code	55309
Address	Big Lake City Hall
Organization	Big Lake City Council
Phone	7632512979

Population & Service

Population Served	12,413
Service Connections	4,021

Drinking Water Violations (23)

This water system has 23 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
Mar 1, 2009	Mar 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2009	Total Coliform Rule
Mar 1, 2009	Mar 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2009	Total Coliform Rule
Mar 1, 2009	Mar 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2009	Total Coliform Rule
Mar 1, 2009	Mar 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Mar 31, 2009	Total Coliform Rule
Jan 1, 2009	Mar 31, 2009	Chlorine	MR	No	No	—	4.0 mg/L	—	Resolved	Mar 31, 2009	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2009	Mar 31, 2009	Chlorine	MR	No	No	—	4.0 mg/L	—	Resolved	Mar 31, 2009	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2009	Mar 31, 2009	Chlorine	MR	No	No	—	4.0 mg/L	—	Resolved	Mar 31, 2009	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2009	Mar 31, 2009	Chlorine	MR	No	No	—	4.0 mg/L	—	Resolved	Mar 31, 2009	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 27, 1998	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 27, 1998	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 27, 1998	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 27, 1998	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 27, 1998	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 27, 1998	Total Coliform Rule
Oct 1, 1998	Oct 31, 1998	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 27, 1998	Total Coliform Rule
Feb 1, 1994	Feb 28, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Feb 28, 1994	Total Coliform Rule
Feb 1, 1994	Feb 28, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Feb 28, 1994	Total Coliform Rule
Feb 1, 1994	Feb 28, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Feb 28, 1994	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
Dec 1, 1992	Dec 31, 1992	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Dec 31, 1992	Total Coliform Rule
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—

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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