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Public water system · MT0001564

Active

Chico Hot Springs

At a glance

Chico Hot Springs (PWSID MT0001564) is an active non-transient non-community water system in Park County, Montana. It reports serving 415 people through 36 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2014.

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

Population served

415

Service connections

36

Primary source

SW

Surface water

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMT0001564
System typeNon-transient non-community water system
Activity statusActive
Population served415
Service connections36
Primary water sourceSurface water
Owner typePrivate
Primacy agencyMT state drinking water program
City servedPray
StateMontana
ZIP—
CountyPark County

How does Chico Hot Springs compare with other water systems in Park County?

By EPA's size categories, Chico Hot Springs is a very small system (500 people or fewer). Park County has 59 active public water systems, and Chico Hot Springs is the 6th-largest of them by population served. Its population served is about 53% above the county average of 271 people per system, and accounts for 2.6% of the 15,983 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Chico Hot Springs is roughly in line with that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Montana has 319 active non-transient non-community water systems, 13% of the state's 2,378 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 60 Montana systems (2.5%) list surface water as their primary source.

Who owns and regulates Chico Hot Springs?

EPA lists Chico Hot Springs as privately owned. The MT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 49 of the 59 active systems in Park County (83%) are also privately owned.

Does Chico Hot Springs have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2014. The violations listed here began between January 2005 and October 2014. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2014-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2014-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2011-10-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2011-09-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
2011-09-01Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2009-10-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
2009-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved

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.

Chico Hot Springs: frequently asked questions

Who runs Chico Hot Springs?

Chico Hot Springs (PWSID MT0001564) is a non-transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Chico Hot Springs serve?

Chico Hot Springs reports serving 415 people through 36 service connections in Park County, Montana.

Where does Chico Hot Springs get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Chico Hot Springs have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2014. 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.

Is Chico Hot Springs' water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2014. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Chico Hot Springs' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Chico Hot Springs is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Park County

Water systemCountyPopulation servedTypeSource
Livingston City ofPark7,500CommunityGroundwater
Emigrant Rest StopPark800Transient non-communityGroundwater
Gardiner Park Co Water DistPark700CommunityGroundwater
Sage LodgePark500Transient non-communityGroundwater
Yellowstone Travel Plaza Truck StopPark500Transient non-communityGroundwater
Cooke City Water DistrictPark300CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Chico Hot Springs, PWSID MT0001564, Montana”, https://aquacensus.com/water-systems/montana/chico-hot-springs-mt0001564 (data as of October 1, 2026).