Public water system · MT0003705
ActiveGraymont Western Us Inc.
At a glance
Graymont Western Us Inc. (PWSID MT0003705) is an active non-transient non-community water system in Broadwater County, Montana. It reports serving 52 people through 2 service connections. Its primary water source is groundwater, 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 January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
52
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Graymont Western Us Inc. compare with other water systems in Broadwater County?
By EPA's size categories, Graymont Western Us Inc. is a very small system (500 people or fewer). Broadwater County has 20 active public water systems. Its population served is well below the county average of 465 people per system, and accounts for 0.6% of the 9,301 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 Graymont Western Us Inc. is well 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 Graymont Western Us Inc.?
EPA lists Graymont Western Us Inc. 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. 16 of the 20 active systems in Broadwater County (80%) are also privately owned.
Does Graymont Western Us Inc. have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. The violations listed here began between January 2023 and January 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are Hexachlorocyclopentadiene, Dinoseb, Toluene and Oxamyl. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Resolved |
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.
Graymont Western Us Inc.: frequently asked questions
Who runs Graymont Western Us Inc.?
Graymont Western Us Inc. (PWSID MT0003705) is a non-transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Graymont Western Us Inc. serve?
Graymont Western Us Inc. reports serving 52 people through 2 service connections in Broadwater County, Montana.
Where does Graymont Western Us Inc. 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 Graymont Western Us Inc. 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 January 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 Graymont Western Us Inc.'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Graymont Western Us Inc.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Graymont Western Us Inc. 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 Broadwater County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wheat Montana Bakery | Broadwater | 2,453 | Non-transient non-community | Groundwater |
| Town Pump Three Forks 1 | Broadwater | 2,245 | Non-transient non-community | Groundwater |
| Townsend City of | Broadwater | 2,000 | Community | Groundwater |
| Bridger Brewing Three Forks | Broadwater | 470 | Non-transient non-community | Groundwater |
| Steer Inn Teasers Restaurant and Lounge | Broadwater | 233 | Non-transient non-community | Groundwater |
| Canyon Ferry Lake Koa | Broadwater | 218 | Transient non-community | 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, “Graymont Western Us Inc., PWSID MT0003705, Montana”, https://aquacensus.com/water-systems/montana/graymont-western-us-inc-mt0003705 (data as of October 1, 2026).