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Public water system · MN1820024

Active

Stillwater

Community water system in Washington County, Minnesota, drawing primarily on groundwater.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

19,462

Service connections

6,453

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMN1820024
System typeCommunity water system
Activity statusActive
Population served19,462
Service connections6,453
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMN state drinking water program
City served—
StateMinnesota
ZIP—
CountyWashington County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoResolved
2022-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1991-04-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoArchived

All 3 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Stillwater: frequently asked questions

Is Stillwater's water safe to drink?

Stillwater is an active community water system regulated under the Safe Drinking Water Act, overseen by the MN state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Stillwater?

Stillwater (PWSID MN1820024) is a local government-owned community water system, regulated by the MN state drinking water program.

How many people does Stillwater serve?

Stillwater reports serving 19,462 people through 6,453 service connections in Washington County, Minnesota.

Where does Stillwater get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Washington County

Water systemCountyPopulation servedTypeSource
WoodburyWashington82,643CommunityGroundwater
Cottage GroveWashington42,760CommunityGroundwater
OakdaleWashington30,144CommunityGroundwater
HugoWashington12,047CommunityGroundwater
Forest LakeWashington11,800CommunityGroundwater
Lake ElmoWashington10,978CommunityGroundwater

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