Public water system · MT0004895
ActiveLazy K Bar Ranch
At a glance
Lazy K Bar Ranch (PWSID MT0004895) is an active transient non-community water system in Sweet Grass County, Montana. It reports serving 69 people through 21 service connections. 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 January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
69
Service connections
21
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lazy K Bar Ranch compare with other water systems in Sweet Grass County?
By EPA's size categories, Lazy K Bar Ranch is a very small system (500 people or fewer). Sweet Grass County has 16 active public water systems. Its population served is well below the county average of 457 people per system, and accounts for 0.9% of the 7,304 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 Lazy K Bar Ranch is about half of 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 Lazy K Bar Ranch?
EPA lists Lazy K Bar Ranch 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. 13 of the 16 active systems in Sweet Grass County (81%) are also privately owned.
Does Lazy K Bar Ranch have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2022. The violations listed here began between May 2015 and January 2022. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2015-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
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.
Lazy K Bar Ranch: frequently asked questions
Who runs Lazy K Bar Ranch?
Lazy K Bar Ranch (PWSID MT0004895) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Lazy K Bar Ranch serve?
Lazy K Bar Ranch reports serving 69 people through 21 service connections in Sweet Grass County, Montana.
Where does Lazy K Bar Ranch 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 Lazy K Bar Ranch have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2022. 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 Lazy K Bar Ranch'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 January 2022. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Lazy K Bar Ranch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lazy K Bar Ranch 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 Sweet Grass County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Greycliff Rest Area Eastbound | Sweet Grass | 2,500 | Transient non-community | Groundwater |
| Big Timber City of | Sweet Grass | 1,650 | Community | Surface water |
| Greycliff Rest Area Westbound | Sweet Grass | 1,000 | Transient non-community | Groundwater |
| Big Timber Koa | Sweet Grass | 600 | Transient non-community | Groundwater |
| Stillwater East Boulder | Sweet Grass | 380 | Non-transient non-community | Groundwater |
| Town Pump 1033 Big Timber # 2 | Sweet Grass | 318 | 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, “Lazy K Bar Ranch, PWSID MT0004895, Montana”, https://aquacensus.com/water-systems/montana/lazy-k-bar-ranch-mt0004895 (data as of October 1, 2026).