Public water system · NV0000062
ActiveFernley Public Works
At a glance
Fernley Public Works (PWSID NV0000062) is an active community water system in Lyon County, Nevada. It reports serving 23,064 people through 7,470 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
23,064
Service connections
7,470
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Fernley Public Works compare with other water systems in Lyon County?
By EPA's size categories, Fernley Public Works is a large system (10,001 to 100,000 people). Lyon County has 30 active public water systems, and Fernley Public Works is the largest of them by population served. Its population served is about 13 times the county average of 1,710 people per system, and accounts for 45% of the 51,309 people reported by systems filed under the county. Across Nevada, the 643 active systems average 5,508 people each. Nationally, the average active community water system reports serving 6,703 people, so Fernley Public Works is about 3.4 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Nevada has 224 active community water systems, 35% 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 Fernley Public Works?
EPA lists Fernley Public Works 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. 6 of the 30 active systems in Lyon County (20%) are also owned by a local government.
Does Fernley Public Works have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2024. The violations listed here began between October 2008 and October 2024. By type: 6 contaminant level above the legal limit, 4 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Arsenic (6 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2010-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2009-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2008-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
The 12 most recent 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.
Fernley Public Works: frequently asked questions
Who runs Fernley Public Works?
Fernley Public Works (PWSID NV0000062) is a community water system owned by a local government. It is regulated by the NV state drinking water program.
How many people does Fernley Public Works serve?
Fernley Public Works reports serving 23,064 people through 7,470 service connections in Lyon County, Nevada.
Where does Fernley Public Works 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 Fernley Public Works have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2024. 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 Fernley Public Works' 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. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NV state drinking water program.
Where can I find Fernley Public Works' water quality report?
As a community water system, Fernley Public Works must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Lyon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dayton Valley Water System | Lyon | 16,000 | Community | Groundwater |
| Yerington City of | Lyon | 5,050 | Community | Groundwater |
| Silver Springs Mutual Water Company | Lyon | 3,070 | Community | Groundwater |
| Stagecoach Gid | Lyon | 1,628 | Community | Groundwater |
| Smith Valley Baptist Church | Lyon | 500 | Transient non-community | Groundwater |
| Weed Heights Development | Lyon | 340 | 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, “Fernley Public Works, PWSID NV0000062, Nevada”, https://aquacensus.com/water-systems/nevada/fernley-public-works-nv0000062 (data as of October 1, 2026).