Osseo

Minnesota — Community Water System — PWSID: MN1270042

System Information

PWSID	MN1270042
System Name	Osseo
System Type	Community Water System
Water Source	Ground Water Purchased
Activity Status	Active
Owner Type	Local
EPA Region	05
Serves School	No
Wholesaler	Yes
First Reported	Jan 24, 1981
Last Reported	Nov 25, 2025

Location & Contact

State	Minnesota
City	Osseo
ZIP Code	55369
Address	Osseo City Hall
Organization	Osseo City Council
Phone	7634252624

Population & Service

Population Served	2,650
Service Connections	828

Drinking Water Violations (32)

This water system has 32 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, 2020	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 22, 2021	Lead and Copper Rule
Oct 1, 2020	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 22, 2021	Lead and Copper Rule
Oct 1, 2020	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Sep 22, 2021	Lead and Copper Rule
Nov 1, 2018	Nov 30, 2018	Revised Total Coliform Rule	MON	No	No	—	—	—	Resolved	Nov 30, 2018	Revised Total Coliform Rule
Nov 1, 2018	Nov 30, 2018	Revised Total Coliform Rule	MON	No	No	—	—	—	Resolved	Nov 30, 2018	Revised Total Coliform Rule
Nov 1, 2018	Nov 30, 2018	Revised Total Coliform Rule	MON	No	No	—	—	—	Resolved	Nov 30, 2018	Revised Total Coliform Rule
Oct 1, 2018	Dec 31, 2018	Chlorine	MR	No	No	—	4.0 mg/L	—	Resolved	Dec 1, 2018	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018	Dec 31, 2018	Chlorine	MR	No	No	—	4.0 mg/L	—	Resolved	Dec 1, 2018	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018	Dec 31, 2018	Chlorine	MR	No	No	—	4.0 mg/L	—	Resolved	Dec 1, 2018	Stage 1 Disinfectants and Disinfection Byproducts Rule
May 1, 1999	May 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 1999	Total Coliform Rule
May 1, 1999	May 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 1999	Total Coliform Rule
May 1, 1999	May 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 1999	Total Coliform Rule
May 1, 1999	May 31, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	May 31, 1999	Total Coliform Rule
Sep 1, 1996	Sep 30, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 1996	Total Coliform Rule
Sep 1, 1996	Sep 30, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 1996	Total Coliform Rule
Sep 1, 1996	Sep 30, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Sep 30, 1996	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 23, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 23, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 23, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 23, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 23, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 23, 1993	Total Coliform Rule
Apr 1, 1993	Apr 30, 1993	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 23, 1993	Total Coliform Rule
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	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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