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Public water system · MT0004676

Active

Signal Peak Energy Bull Mountain Coal

At a glance

Signal Peak Energy Bull Mountain Coal (PWSID MT0004676) is an active non-transient non-community water system in Musselshell County, Montana. It reports serving 250 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2017.

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

Population served

250

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMT0004676
System typeNon-transient non-community water system
Activity statusActive
Population served250
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedRoundup
StateMontana
ZIP—
CountyMusselshell County

How does Signal Peak Energy Bull Mountain Coal compare with other water systems in Musselshell County?

By EPA's size categories, Signal Peak Energy Bull Mountain Coal is a very small system (500 people or fewer). Musselshell County has 7 active public water systems, and Signal Peak Energy Bull Mountain Coal is the 3rd-largest of them by population served. Its population served is about 37% below the county average of 399 people per system, and accounts for 8.9% of the 2,795 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 Signal Peak Energy Bull Mountain Coal is about 42% below 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.

Who owns and regulates Signal Peak Energy Bull Mountain Coal?

EPA lists Signal Peak Energy Bull Mountain Coal 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. 4 of the 7 active systems in Musselshell County (57%) are also privately owned.

Does Signal Peak Energy Bull Mountain Coal have drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2017. The violations listed here began between August 2009 and August 2017. By type: 7 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 7 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
2017-08-31Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2017-08-31Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2014-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2012-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2012-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 7 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.

Signal Peak Energy Bull Mountain Coal: frequently asked questions

Who runs Signal Peak Energy Bull Mountain Coal?

Signal Peak Energy Bull Mountain Coal (PWSID MT0004676) is a non-transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Signal Peak Energy Bull Mountain Coal serve?

Signal Peak Energy Bull Mountain Coal reports serving 250 people through 1 service connection in Musselshell County, Montana.

Where does Signal Peak Energy Bull Mountain Coal get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Signal Peak Energy Bull Mountain Coal have any drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2017. 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 Signal Peak Energy Bull Mountain Coal's 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. EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2017. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Signal Peak Energy Bull Mountain Coal's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Signal Peak Energy Bull Mountain Coal 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 Musselshell County

Water systemCountyPopulation servedTypeSource
Roundup Water DepartmentMusselshell1,900CommunityGroundwater
Picchionis IgaMusselshell300Transient non-communityPurchased groundwater
Melstone Town ofMusselshell170CommunityGroundwater
Sunset Colony UnapprovedMusselshell75CommunityGroundwater
Musselshell Community County WsdMusselshell75CommunityGroundwater
Van Dykes Grocery Store - Sparkling PureMusselshell25Transient non-communityPurchased groundwater

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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, “Signal Peak Energy Bull Mountain Coal, PWSID MT0004676, Montana”, https://aquacensus.com/water-systems/montana/signal-peak-energy-bull-mountain-coal-mt0004676 (data as of October 1, 2026).