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AquaCensus

Public water system · MT0000235

Active

Hardin City of

Community water system in Big Horn County, Montana, drawing primarily on surface water.

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

Population served

3,500

Service connections

1,307

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDMT0000235
System typeCommunity water system
Activity statusActive
Population served3,500
Service connections1,307
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyMT state drinking water program
City servedHardin
StateMontana
ZIP

Violations & enforcement

BeganViolationContaminantHealth-basedStatus
2025-04-01272456NoResolved
2020-09-01272950NoResolved
2020-09-01272456NoResolved
2014-01-01665000NoResolved
2013-07-01717000NoResolved
2012-07-01717000NoResolved
2010-07-01717000NoResolved
2006-07-01717000NoResolved
2004-07-01272920NoResolved
2004-07-01272920NoResolved
1996-12-01263100NoResolved
1996-01-01243100NoResolved

Hardin City of: frequently asked questions

Is Hardin City of's water safe to drink?

Hardin City of is an active community water system regulated under the Safe Drinking Water Act, overseen by the MT state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Hardin City of?

Hardin City of (PWSID MT0000235) is a local government-owned community water system, regulated by the MT state drinking water program.

How many people does Hardin City of serve?

Hardin City of reports serving 3,500 people through 1,307 service connections in Big Horn County, Montana.

Where does Hardin City of get its water?

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

Other water systems in Big Horn County

Water systemCountyPopulation servedTypeSource
Greybull, Town ofBig Horn3,260CommunityGroundwater
Lovell, Town ofBig Horn2,360CommunityPurchased surface water
Little Bighorn Battlefield NmBig Horn2,020Non-transient non-communityGroundwater
Basin, Town ofBig Horn1,250CommunityPurchased groundwater
South Big Horn County JpbBig Horn900CommunityGroundwater
Hardin Eastbound Rest AreaBig Horn877Transient non-communityGroundwater