Lake Lillian

Minnesota — Community Water System — PWSID: MN1340004

System Information

PWSID	MN1340004
System Name	Lake Lillian
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	Lake Lillian
ZIP Code	56253
Address	Lake Lillian City Hall
Organization	Lake Lillian City Council
Phone	3209051737

Population & Service

Population Served	236
Service Connections	136

Drinking Water Violations (118)

This water system has 118 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
Oct 1, 2025	Dec 31, 2025	Arsenic	MCL	Yes	No	.01625 MG/L	0.010 mg/L	—	Addressed	—	Arsenic Rule
Sep 9, 2025	—	Public Notice	Other	No	No	—	—	—	Unaddressed	—	Public Notice Rule and Revised PN Rule
Jul 1, 2025	Sep 30, 2025	Arsenic	MCL	Yes	No	.01475 MG/L	0.010 mg/L	—	Archived	Sep 30, 2025	Arsenic Rule
Jul 1, 2025	Sep 30, 2025	Arsenic	MCL	Yes	No	.01475 MG/L	0.010 mg/L	—	Archived	Sep 30, 2025	Arsenic Rule
Jul 1, 2025	Sep 30, 2025	Arsenic	MCL	Yes	No	.01475 MG/L	0.010 mg/L	—	Archived	Sep 30, 2025	Arsenic Rule
Jul 1, 2025	Sep 30, 2025	Arsenic	MCL	Yes	No	.01475 MG/L	0.010 mg/L	—	Archived	Sep 30, 2025	Arsenic Rule
Apr 1, 2025	Jun 30, 2025	Arsenic	MCL	Yes	No	.0145 MG/L	0.010 mg/L	—	Archived	Jun 30, 2025	Arsenic Rule
Apr 1, 2025	Jun 30, 2025	Arsenic	MCL	Yes	No	.0145 MG/L	0.010 mg/L	—	Archived	Jun 30, 2025	Arsenic Rule
Apr 1, 2025	Jun 30, 2025	Arsenic	MCL	Yes	No	.0145 MG/L	0.010 mg/L	—	Archived	Jun 30, 2025	Arsenic Rule
Apr 1, 2025	Jun 30, 2025	Arsenic	MCL	Yes	No	.0145 MG/L	0.010 mg/L	—	Archived	Jun 30, 2025	Arsenic Rule
Apr 1, 2025	Jun 30, 2025	Arsenic	MCL	Yes	No	.0145 MG/L	0.010 mg/L	—	Archived	Jun 30, 2025	Arsenic Rule
Jan 22, 2025	—	Public Notice	Other	No	No	—	—	—	Resolved	Feb 27, 2025	Public Notice Rule and Revised PN Rule
Jan 22, 2025	—	Public Notice	Other	No	No	—	—	—	Resolved	Feb 27, 2025	Public Notice Rule and Revised PN Rule
Jan 1, 2025	Mar 31, 2025	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Mar 31, 2025	Arsenic Rule
Jan 1, 2025	Mar 31, 2025	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Mar 31, 2025	Arsenic Rule
Jan 1, 2025	Mar 31, 2025	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Mar 31, 2025	Arsenic Rule
Jan 1, 2025	Mar 31, 2025	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Mar 31, 2025	Arsenic Rule
Jan 1, 2025	Mar 31, 2025	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Mar 31, 2025	Arsenic Rule
Oct 1, 2024	Dec 31, 2024	Arsenic	MCL	Yes	No	.01725 MG/L	0.010 mg/L	—	Archived	Dec 31, 2024	Arsenic Rule
Oct 1, 2024	Dec 31, 2024	Arsenic	MCL	Yes	No	.01725 MG/L	0.010 mg/L	—	Archived	Dec 31, 2024	Arsenic Rule
Oct 1, 2024	Dec 31, 2024	Arsenic	MCL	Yes	No	.01725 MG/L	0.010 mg/L	—	Archived	Dec 31, 2024	Arsenic Rule
Oct 1, 2024	Dec 31, 2024	Arsenic	MCL	Yes	No	.01725 MG/L	0.010 mg/L	—	Archived	Dec 31, 2024	Arsenic Rule
Sep 22, 2024	—	Public Notice	Other	No	No	—	—	—	Resolved	Feb 27, 2025	Public Notice Rule and Revised PN Rule
Sep 22, 2024	—	Public Notice	Other	No	No	—	—	—	Resolved	Feb 27, 2025	Public Notice Rule and Revised PN Rule
Jul 1, 2024	Sep 30, 2024	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Sep 30, 2024	Arsenic Rule
Jul 1, 2024	Sep 30, 2024	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Sep 30, 2024	Arsenic Rule
Jul 1, 2024	Sep 30, 2024	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Sep 30, 2024	Arsenic Rule
Jul 1, 2024	Sep 30, 2024	Arsenic	MCL	Yes	No	.0175 MG/L	0.010 mg/L	—	Archived	Sep 30, 2024	Arsenic Rule
Jun 5, 2024	—	Public Notice	Other	No	No	—	—	—	Resolved	May 7, 2024	Public Notice Rule and Revised PN Rule
Jun 5, 2024	—	Public Notice	Other	No	No	—	—	—	Resolved	May 7, 2024	Public Notice Rule and Revised PN Rule
Apr 1, 2024	Jun 30, 2024	Arsenic	MCL	Yes	No	.01775 MG/L	0.010 mg/L	—	Archived	Jun 30, 2024	Arsenic Rule
Apr 1, 2024	Jun 30, 2024	Arsenic	MCL	Yes	No	.01775 MG/L	0.010 mg/L	—	Archived	Jun 30, 2024	Arsenic Rule
Apr 1, 2024	Jun 30, 2024	Arsenic	MCL	Yes	No	.01775 MG/L	0.010 mg/L	—	Archived	Jun 30, 2024	Arsenic Rule
Apr 1, 2024	Jun 30, 2024	Arsenic	MCL	Yes	No	.01775 MG/L	0.010 mg/L	—	Archived	Jun 30, 2024	Arsenic Rule
Apr 1, 2024	Jun 30, 2024	Arsenic	MCL	Yes	No	.01775 MG/L	0.010 mg/L	—	Archived	Jun 30, 2024	Arsenic Rule
Jan 1, 2024	Mar 31, 2024	Arsenic	MCL	Yes	No	.01425 MG/L	0.010 mg/L	—	Archived	Mar 31, 2024	Arsenic Rule
Jan 1, 2024	Mar 31, 2024	Arsenic	MCL	Yes	No	.01425 MG/L	0.010 mg/L	—	Archived	Mar 31, 2024	Arsenic Rule
Jan 1, 2024	Mar 31, 2024	Arsenic	MCL	Yes	No	.01425 MG/L	0.010 mg/L	—	Archived	Mar 31, 2024	Arsenic Rule
Jan 1, 2024	Mar 31, 2024	Arsenic	MCL	Yes	No	.01425 MG/L	0.010 mg/L	—	Archived	Mar 31, 2024	Arsenic Rule
Oct 1, 2023	Dec 31, 2023	Arsenic	MCL	Yes	No	.012 MG/L	0.010 mg/L	—	Archived	Dec 31, 2023	Arsenic Rule
Oct 1, 2023	Dec 31, 2023	Arsenic	MCL	Yes	No	.012 MG/L	0.010 mg/L	—	Archived	Dec 31, 2023	Arsenic Rule
Oct 1, 2023	Dec 31, 2023	Arsenic	MCL	Yes	No	.012 MG/L	0.010 mg/L	—	Archived	Dec 31, 2023	Arsenic Rule
Oct 1, 2023	Dec 31, 2023	Arsenic	MCL	Yes	No	.012 MG/L	0.010 mg/L	—	Archived	Dec 31, 2023	Arsenic Rule
Jul 1, 2023	Sep 30, 2023	Arsenic	MCL	Yes	No	.0148 MG/L	0.010 mg/L	—	Archived	Sep 30, 2023	Arsenic Rule
Jul 1, 2023	Sep 30, 2023	Arsenic	MCL	Yes	No	.0148 MG/L	0.010 mg/L	—	Archived	Sep 30, 2023	Arsenic Rule
Jul 1, 2023	Sep 30, 2023	Arsenic	MCL	Yes	No	.0148 MG/L	0.010 mg/L	—	Archived	Sep 30, 2023	Arsenic Rule
Jul 1, 2023	Sep 30, 2023	Arsenic	MCL	Yes	No	.0148 MG/L	0.010 mg/L	—	Archived	Sep 30, 2023	Arsenic Rule
Apr 1, 2023	Jun 30, 2023	Arsenic	MCL	Yes	No	.0205 MG/L	0.010 mg/L	—	Archived	Jun 30, 2023	Arsenic Rule
Apr 1, 2023	Jun 30, 2023	Arsenic	MCL	Yes	No	.0205 MG/L	0.010 mg/L	—	Archived	Jun 30, 2023	Arsenic Rule
Apr 1, 2023	Jun 30, 2023	Arsenic	MCL	Yes	No	.0205 MG/L	0.010 mg/L	—	Archived	Jun 30, 2023	Arsenic 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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