Public water system · 083090305
ActiveChief Martin Charlo Homesite
At a glance
Chief Martin Charlo Homesite (PWSID 083090305) is an active community water system in Montana. It reports serving 66 people through 24 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
66
Service connections
24
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Chief Martin Charlo Homesite compare with other water systems in Montana?
By EPA's size categories, Chief Martin Charlo Homesite is a very small system (500 people or fewer). Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active community water system reports serving 6,703 people, so Chief Martin Charlo Homesite is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Montana has 853 active community water systems, 36% 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 Chief Martin Charlo Homesite?
EPA lists Chief Martin Charlo Homesite as Native American-owned. The EPA Region 08 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Chief Martin Charlo Homesite have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2023. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
The one violation in EPA's records.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.
Chief Martin Charlo Homesite: frequently asked questions
Who runs Chief Martin Charlo Homesite?
Chief Martin Charlo Homesite (PWSID 083090305) is a community water system Native American-owned. It is regulated by the EPA Region 08.
How many people does Chief Martin Charlo Homesite serve?
Chief Martin Charlo Homesite reports serving 66 people through 24 service connections in Montana.
Where does Chief Martin Charlo Homesite 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 Chief Martin Charlo Homesite have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2023. 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 Chief Martin Charlo Homesite'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 one violation for this system; it is not health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 08.
Where can I find Chief Martin Charlo Homesite's water quality report?
As a community water system, Chief Martin Charlo Homesite must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Montana
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Billings City of | Yellowstone | 114,000 | Community | Surface water |
| Missoula Water | Missoula | 68,200 | Community | Groundwater |
| Great Falls City of | Cascade | 60,000 | Community | Surface water |
| Bozeman City of | Gallatin | 56,000 | Community | Surface water |
| Butte Silverbow Water Dept | Silver Bow | 33,000 | Community | Surface water |
| Helena Water System | Lewis and Clark | 32,091 | Community | Surface water |
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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, “Chief Martin Charlo Homesite, PWSID 083090305, Montana”, https://aquacensus.com/water-systems/montana/chief-martin-charlo-homesite-083090305 (data as of October 1, 2026).