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AquaCensus

Public water system · MT0000196

Active

East Helena City of

Community water system in Lewis and Clark County, Montana, drawing primarily on groundwater.

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

Population served

2,114

Service connections

897

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMT0000196
System typeCommunity water system
Activity statusActive
Population served2,114
Service connections897
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMT state drinking water program
City servedHelena
StateMontana
ZIP—
CountyLewis and Clark County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-11-04Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58Lead and Copper Rulecode 5000YesResolved
2021-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2015-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2013-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2008-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2003-08-14Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2003-08-14Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1994-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
1994-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved
1994-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
1994-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved

The 12 most recent 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.

East Helena City of: frequently asked questions

Is East Helena City of's water safe to drink?

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

Who runs East Helena City of?

East Helena City of (PWSID MT0000196) is a local government-owned community water system, regulated by the MT state drinking water program.

How many people does East Helena City of serve?

East Helena City of reports serving 2,114 people through 897 service connections in Lewis and Clark County, Montana.

Where does East Helena City of get its water?

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

Other water systems in Lewis and Clark County

Water systemCountyPopulation servedTypeSource
Helena Water SystemLewis and Clark32,091CommunitySurface water
Eastgate Village Sewer and WaterLewis and Clark2,000CommunityGroundwater
Va Medical Center HelenaLewis and Clark1,275CommunityPurchased surface water
Helena Leisure LLCLewis and Clark1,200CommunityGroundwater
Bobs Valley Service Inc.Lewis and Clark1,032Non-transient non-communityGroundwater
Daves Express LubeLewis and Clark966Transient non-communityGroundwater

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