Public water system · NV0000270
ActiveGreat Basin Water Company
At a glance
Great Basin Water Company (PWSID NV0000270) is an active community water system in Nye County, Nevada. It reports serving 12,255 people through 4,357 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,255
Service connections
4,357
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Great Basin Water Company compare with other water systems in Nye County?
By EPA's size categories, Great Basin Water Company is a large system (10,001 to 100,000 people). Nye County has 89 active public water systems, and Great Basin Water Company is the largest of them by population served. Its population served is about 32 times the county average of 379 people per system, and accounts for 36% of the 33,742 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 Great Basin Water Company is about 83% above 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 Great Basin Water Company?
EPA lists Great Basin Water Company 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. 62 of the 89 active systems in Nye County (70%) are also privately owned.
Does Great Basin Water Company have drinking water violations?
EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2023. The violations listed here began between January 1992 and January 2023. By type: 6 monitoring and reporting and 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 5 as resolved and 5 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 |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2003-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 1993-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1993-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-02-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 10 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.
Great Basin Water Company: frequently asked questions
Who runs Great Basin Water Company?
Great Basin Water Company (PWSID NV0000270) is a community water system privately owned. It is regulated by the NV state drinking water program.
How many people does Great Basin Water Company serve?
Great Basin Water Company reports serving 12,255 people through 4,357 service connections in Nye County, Nevada.
Where does Great Basin Water Company 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 Great Basin Water Company have any drinking water violations?
EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 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 Great Basin Water Company'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 10 violations for this system; 4 are health-based, and the most recent began in January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the NV state drinking water program.
Where can I find Great Basin Water Company's water quality report?
As a community water system, Great Basin Water Company 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 Nye County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mountain Falls Water System Gbwc | Nye | 4,345 | Community | Groundwater |
| Tonopah Public Utilities | Nye | 2,853 | Community | Groundwater |
| Nnss Site Area A23 and 6 | Nye | 1,700 | Non-transient non-community | Groundwater |
| Round Mountain Puc | Nye | 1,200 | Community | Groundwater |
| Desert Utilities | Nye | 1,086 | Community | Groundwater |
| Country View Estates Gbwc | Nye | 1,072 | 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, “Great Basin Water Company, PWSID NV0000270, Nevada”, https://aquacensus.com/water-systems/nevada/great-basin-water-company-nv0000270 (data as of October 1, 2026).