Public water system · NV0001177
ActiveMarriott Grand Chateau
At a glance
Marriott Grand Chateau (PWSID NV0001177) is an active non-transient non-community water system in Clark County, Nevada. It reports serving 1,228 people through 2 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,228
Service connections
2
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Marriott Grand Chateau compare with other water systems in Clark County?
By EPA's size categories, Marriott Grand Chateau is a small system (501 to 3,300 people). Clark County has 141 active public water systems. Its population served is well below the county average of 18,582 people per system, and accounts for less than 0.1% of the 2,620,005 people reported by systems filed under the county. Across Nevada, the 643 active systems average 5,508 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Marriott Grand Chateau is about 186% above 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. Nevada has 161 active non-transient non-community water systems, 25% of the state's 643 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 60 Nevada systems (9.3%) list purchased surface water as their primary source.
Who owns and regulates Marriott Grand Chateau?
EPA lists Marriott Grand Chateau as privately owned. The NV state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 98 of the 141 active systems in Clark County (70%) are also privately owned.
Does Marriott Grand Chateau have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2023. The violations listed here began between September 2023 and October 2023. By type: 1 contaminant level above the legal limit and 1 monitoring. The contaminants or rules involved are Total trihalomethanes (TTHM) and Revised Total Coliform Rule. EPA lists 2 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 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 2 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.
Marriott Grand Chateau: frequently asked questions
Who runs Marriott Grand Chateau?
Marriott Grand Chateau (PWSID NV0001177) is a non-transient non-community water system privately owned. It is regulated by the NV state drinking water program.
How many people does Marriott Grand Chateau serve?
Marriott Grand Chateau reports serving 1,228 people through 2 service connections in Clark County, Nevada.
Where does Marriott Grand Chateau get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Marriott Grand Chateau have any drinking water violations?
EPA's records list 2 violations for this system; 1 is 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 Marriott Grand Chateau'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 2 violations for this system; 1 is health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the NV state drinking water program.
Where can I find Marriott Grand Chateau's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Marriott Grand Chateau 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 Clark County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Las Vegas Valley Water District | Clark | 1,539,277 | Community | Purchased surface water |
| North Las Vegas Utilities | Clark | 376,515 | Community | Purchased surface water |
| Henderson City of | Clark | 336,534 | Community | Purchased surface water |
| Virgin Valley Water District | Clark | 26,000 | Community | Groundwater |
| Venetian Palazzo | Clark | 19,387 | Non-transient non-community | Purchased surface water |
| Nellis Air Force Base | Clark | 19,081 | Community | Purchased 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, “Marriott Grand Chateau, PWSID NV0001177, Nevada”, https://aquacensus.com/water-systems/nevada/marriott-grand-chateau-nv0001177 (data as of October 1, 2026).