Public water system · NV0001137
ActiveCosmopolitan Hotel
At a glance
Cosmopolitan Hotel (PWSID NV0001137) is an active non-transient non-community water system in Clark County, Nevada. It reports serving 5,534 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; none is health-based, and the most recent began in July 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,534
Service connections
2
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Cosmopolitan Hotel compare with other water systems in Clark County?
By EPA's size categories, Cosmopolitan Hotel is a medium system (3,301 to 10,000 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 0.2% 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 Cosmopolitan Hotel is about 13 times 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 Cosmopolitan Hotel?
EPA lists Cosmopolitan Hotel 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 Cosmopolitan Hotel have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2020. The violations listed here began between July 2020 and July 2020. By type: 1 monitoring and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Chlorine. 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 |
|---|---|---|---|---|
| 2020-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | 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.
Cosmopolitan Hotel: frequently asked questions
Who runs Cosmopolitan Hotel?
Cosmopolitan Hotel (PWSID NV0001137) is a non-transient non-community water system privately owned. It is regulated by the NV state drinking water program.
How many people does Cosmopolitan Hotel serve?
Cosmopolitan Hotel reports serving 5,534 people through 2 service connections in Clark County, Nevada.
Where does Cosmopolitan Hotel 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 Cosmopolitan Hotel have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2020. 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 Cosmopolitan Hotel'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; none is health-based, and the most recent began in July 2020. For current results, consult EPA ECHO, or the NV state drinking water program.
Where can I find Cosmopolitan Hotel's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cosmopolitan Hotel 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, “Cosmopolitan Hotel, PWSID NV0001137, Nevada”, https://aquacensus.com/water-systems/nevada/cosmopolitan-hotel-nv0001137 (data as of October 1, 2026).