Public water system · NV0002044
ActiveDouglas County Topaz Park
At a glance
Douglas County Topaz Park (PWSID NV0002044) is an active transient non-community water system in Douglas County, Nevada. It reports serving 100 people through 32 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
32
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Douglas County Topaz Park compare with other water systems in Douglas County?
By EPA's size categories, Douglas County Topaz Park is a very small system (500 people or fewer). Douglas County has 38 active public water systems. Its population served is well below the county average of 1,479 people per system, and accounts for 0.2% of the 56,213 people reported by systems filed under the county. Across Nevada, the 643 active systems average 5,508 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Douglas County Topaz Park is about 31% below 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. Nevada has 258 active transient non-community water systems, 40% of the state's 643 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 557 Nevada systems (87%) list groundwater as their primary source.
Who owns and regulates Douglas County Topaz Park?
EPA lists Douglas County Topaz Park as owned by a local government. 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. 16 of the 38 active systems in Douglas County (42%) are also owned by a local government.
Does Douglas County Topaz Park have drinking water violations?
EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in February 2026. The violations listed here began between July 2001 and February 2026. By type: 4 monitoring and reporting, 3 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 5 as resolved and 3 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2020-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2001-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 8 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.
Douglas County Topaz Park: frequently asked questions
Who runs Douglas County Topaz Park?
Douglas County Topaz Park (PWSID NV0002044) is a transient non-community water system owned by a local government. It is regulated by the NV state drinking water program.
How many people does Douglas County Topaz Park serve?
Douglas County Topaz Park reports serving 100 people through 32 service connections in Douglas County, Nevada.
Where does Douglas County Topaz Park 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 Douglas County Topaz Park have any drinking water violations?
EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in February 2026. 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 Douglas County Topaz Park'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 8 violations for this system; 3 are health-based, and the most recent began in February 2026. For current results, consult EPA ECHO, or the NV state drinking water program.
Where can I find Douglas County Topaz Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Douglas County Topaz Park 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 Douglas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Gardnerville Ranchos Gid | Douglas | 11,300 | Community | Groundwater |
| Douglas County Carson Valley System | Douglas | 6,488 | Community | Groundwater |
| Indian Hills Gid | Douglas | 5,962 | Community | Groundwater |
| Gardnerville Water Company | Douglas | 5,800 | Community | Groundwater |
| Kingsbury Gid | Douglas | 3,839 | Community | Surface water |
| Edgewood Water Company | Douglas | 3,800 | Non-transient non-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, “Douglas County Topaz Park, PWSID NV0002044, Nevada”, https://aquacensus.com/water-systems/nevada/douglas-county-topaz-park-nv0002044 (data as of October 1, 2026).