Public water system · NE3120645
ActiveOneill Country Club
At a glance
Oneill Country Club (PWSID NE3120645) is an active transient non-community water system in Holt County, Nebraska. It reports serving 110 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
110
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Oneill Country Club compare with other water systems in Holt County?
By EPA's size categories, Oneill Country Club is a very small system (500 people or fewer). Holt County has 16 active public water systems. Its population served is well below the county average of 443 people per system, and accounts for 1.6% of the 7,080 people reported by systems filed under the county. Across Nebraska, the 1,226 active systems average 1,472 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Oneill Country Club is about 24% 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. Nebraska has 489 active transient non-community water systems, 40% of the state's 1,226 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,095 Nebraska systems (89%) list groundwater as their primary source.
Who owns and regulates Oneill Country Club?
EPA lists Oneill Country Club as privately owned. The NE state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 16 active systems in Holt County (50%) are also privately owned.
Does Oneill Country Club 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 2021. The violations listed here began between April 2005 and October 2021. By type: 7 contaminant level above the legal limit and 5 monitoring and reporting. The contaminant or rule involved most often is Nitrate-Nitrite (8 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 |
|---|---|---|---|---|
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitrate-Nitritecode 1038 | Yes | Resolved |
| 2016-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitrate-Nitritecode 1038 | Yes | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitrate-Nitritecode 1038 | Yes | Resolved |
| 2007-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitrate-Nitritecode 1038 | Yes | Resolved |
| 2007-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitrate-Nitritecode 1038 | Yes | Resolved |
| 2006-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitrate-Nitritecode 1038 | Yes | Resolved |
| 2006-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitrate-Nitritecode 1038 | Yes | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2005-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Oneill Country Club: frequently asked questions
Who runs Oneill Country Club?
Oneill Country Club (PWSID NE3120645) is a transient non-community water system privately owned. It is regulated by the NE state drinking water program.
How many people does Oneill Country Club serve?
Oneill Country Club reports serving 110 people through 1 service connection in Holt County, Nebraska.
Where does Oneill Country Club 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 Oneill Country Club 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 2021. 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 Oneill Country Club'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, 7 are health-based, and the most recent began in October 2021. For current results, consult EPA ECHO, or the NE state drinking water program.
Where can I find Oneill Country Club's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Oneill Country Club 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 Holt County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oneill, City of | Holt | 3,705 | Community | Groundwater |
| Atkinson, City of | Holt | 1,298 | Community | Groundwater |
| Stuart, Village of | Holt | 486 | Community | Groundwater |
| Ewing, Village of | Holt | 367 | Community | Groundwater |
| Chambers, Village of | Holt | 288 | Community | Groundwater |
| Atkinson-Stuart Country Club | Holt | 200 | 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, “Oneill Country Club, PWSID NE3120645, Nebraska”, https://aquacensus.com/water-systems/nebraska/oneill-country-club-ne3120645 (data as of October 1, 2026).