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Public water system · MT0000170

Active

Butte Silverbow Water Dept

Community water system in Silver Bow County, Montana, drawing primarily on surface water.

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

Population served

33,000

Service connections

12,958

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDMT0000170
System typeCommunity water system
Activity statusActive
Population served33,000
Service connections12,958
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyMT state drinking water program
City servedButte
StateMontana
ZIP—
CountySilver Bow County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2024-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2012-04-24Required treatment not metFailure to Filter (SWTR) · code 42Surface Water Treatment Rulecode 0200YesResolved
2012-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved

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.

Butte Silverbow Water Dept: frequently asked questions

Is Butte Silverbow Water Dept's water safe to drink?

Butte Silverbow Water Dept 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 Butte Silverbow Water Dept?

Butte Silverbow Water Dept (PWSID MT0000170) is a local government-owned community water system, regulated by the MT state drinking water program.

How many people does Butte Silverbow Water Dept serve?

Butte Silverbow Water Dept reports serving 33,000 people through 12,958 service connections in Silver Bow County, Montana.

Where does Butte Silverbow Water Dept get its water?

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

Other water systems in Silver Bow County

Water systemCountyPopulation servedTypeSource
Montana Technological UniversitySilver Bow3,200Non-transient non-communityPurchased surface water
Fairmont Hot Springs ResortSilver Bow1,965CommunityGroundwater
Harrington Bottling CoSilver Bow1,001Non-transient non-communityGroundwater
Divide Feely North Rest StopSilver Bow500Transient non-communityGroundwater
Divide Feely South Rest StopSilver Bow500Transient non-communityGroundwater
Montana Resources LLCSilver Bow500Non-transient non-communityPurchased surface water

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