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Public water system · MT0004184

Active

Pharaohplex

At a glance

Pharaohplex (PWSID MT0004184) is an active transient non-community water system in Ravalli County, Montana. It reports serving 200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2001.

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

Population served

200

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMT0004184
System typeTransient non-community water system
Activity statusActive
Population served200
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedHamilton
StateMontana
ZIP—
CountyRavalli County

How does Pharaohplex compare with other water systems in Ravalli County?

By EPA's size categories, Pharaohplex is a very small system (500 people or fewer). Ravalli County has 130 active public water systems. Its population served is about 16% below the county average of 237 people per system, and accounts for 0.6% of the 30,805 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Pharaohplex is about 39% above that figure.

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

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Montana has 1,206 active transient non-community water systems, 51% 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 Pharaohplex?

EPA lists Pharaohplex 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. 112 of the 130 active systems in Ravalli County (86%) are also privately owned.

Does Pharaohplex have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2001. The violations listed here began between May 2001 and July 2001. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 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
2001-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 3 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.

Pharaohplex: frequently asked questions

Who runs Pharaohplex?

Pharaohplex (PWSID MT0004184) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Pharaohplex serve?

Pharaohplex reports serving 200 people through 1 service connection in Ravalli County, Montana.

Where does Pharaohplex 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 Pharaohplex have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2001. 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 Pharaohplex'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 3 violations for this system; none is health-based, and the most recent began in July 2001. For current results, consult EPA ECHO, or the MT state drinking water program.

Where can I find Pharaohplex's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Pharaohplex is a 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 Ravalli County

Water systemCountyPopulation servedTypeSource
Hamilton City ofRavalli5,660CommunityGroundwater
Stevensville Town ofRavalli2,090CommunityGroundwater
Super One Food StoreRavalli1,769Non-transient non-communityGroundwater
Town Pump Woodside 1Ravalli1,198Transient non-communityGroundwater
Town Pump Florence 1Ravalli1,092Transient non-communityGroundwater
Florence Carlton SchoolRavalli1,025Non-transient non-communityGroundwater

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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, “Pharaohplex, PWSID MT0004184, Montana”, https://aquacensus.com/water-systems/montana/pharaohplex-mt0004184 (data as of October 1, 2026).