Public water system · NV0000356
ActiveGlenbrook Water Cooperative Inc.
At a glance
Glenbrook Water Cooperative Inc. (PWSID NV0000356) is an active community water system in Douglas County, Nevada. It reports serving 1,000 people through 288 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,000
Service connections
288
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Glenbrook Water Cooperative Inc. compare with other water systems in Douglas County?
By EPA's size categories, Glenbrook Water Cooperative Inc. is a small system (501 to 3,300 people). Douglas County has 38 active public water systems. Its population served is about 32% below the county average of 1,479 people per system, and accounts for 1.8% 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 community water system reports serving 6,703 people, so Glenbrook Water Cooperative Inc. is well below 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 16 Nevada systems (2.5%) list surface water as their primary source.
Who owns and regulates Glenbrook Water Cooperative Inc.?
EPA lists Glenbrook Water Cooperative Inc. 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. 21 of the 38 active systems in Douglas County (55%) are also privately owned.
Does Glenbrook Water Cooperative Inc. have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between September 2010 and October 2024. By type: 10 monitoring and reporting, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (3 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 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2020-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Bromatecode 1011 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Bromatecode 1011 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2010-09-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Surface Water Treatment Rulecode 0200 | No | 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.
Glenbrook Water Cooperative Inc.: frequently asked questions
Who runs Glenbrook Water Cooperative Inc.?
Glenbrook Water Cooperative Inc. (PWSID NV0000356) is a community water system privately owned. It is regulated by the NV state drinking water program.
How many people does Glenbrook Water Cooperative Inc. serve?
Glenbrook Water Cooperative Inc. reports serving 1,000 people through 288 service connections in Douglas County, Nevada.
Where does Glenbrook Water Cooperative Inc. get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Glenbrook Water Cooperative Inc. have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is 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 Glenbrook Water Cooperative Inc.'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. Of the 12 most recent violations in EPA's records, one is 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 Glenbrook Water Cooperative Inc.'s water quality report?
As a community water system, Glenbrook Water Cooperative Inc. 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 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, “Glenbrook Water Cooperative Inc., PWSID NV0000356, Nevada”, https://aquacensus.com/water-systems/nevada/glenbrook-water-cooperative-inc-nv0000356 (data as of October 1, 2026).