Public water system · NV0001203
ActiveWestern Nv Materials
At a glance
Western Nv Materials (PWSID NV0001203) is an active non-transient non-community water system in Washoe County, California. It reports serving 40 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Western Nv Materials compare with other water systems in Washoe County?
By EPA's size categories, Western Nv Materials is a very small system (500 people or fewer). Washoe County has 6 active public water systems, and Western Nv Materials is the 4th-largest of them by population served. Its population served is well below the county average of 212 people per system, and accounts for 3.1% of the 1,270 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Western Nv Materials 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. California has 1,466 active non-transient non-community water systems, 20% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Western Nv Materials?
EPA lists Western Nv Materials 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. 5 of the 6 active systems in Washoe County (83%) are also privately owned.
Does Western Nv Materials have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 2025. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Nitrate. EPA lists 1 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 |
|---|---|---|---|---|
| 2025-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
The one violation in EPA's records.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.
Western Nv Materials: frequently asked questions
Who runs Western Nv Materials?
Western Nv Materials (PWSID NV0001203) is a non-transient non-community water system privately owned. It is regulated by the NV state drinking water program.
How many people does Western Nv Materials serve?
Western Nv Materials reports serving 40 people through 3 service connections in Washoe County, California.
Where does Western Nv Materials 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 Western Nv Materials have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 2025. 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 Western Nv Materials' 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 one violation for this system; it is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the NV state drinking water program.
Where can I find Western Nv Materials' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Western Nv Materials 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 Washoe County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Washoe Valley Properties LLC | Washoe | 1,000 | Transient non-community | Groundwater |
| Conestoga MHP | Washoe | 120 | Community | Groundwater |
| Reno Sahara Trailer Park | Washoe | 60 | Community | Groundwater |
| Air Sailing Inc. Gliderport | Washoe | 25 | Transient non-community | Groundwater |
| Mt Rose Campground Usfs | Washoe | 25 | 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, “Western Nv Materials, PWSID NV0001203, California”, https://aquacensus.com/water-systems/california/western-nv-materials-nv0001203 (data as of October 1, 2026).