Public water system · NE3121170
ActiveHolling House Nlom
At a glance
Holling House Nlom (PWSID NE3121170) is an active transient non-community water system in Cass County, Nebraska. It reports serving 100 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Holling House Nlom compare with other water systems in Cass County?
By EPA's size categories, Holling House Nlom is a very small system (500 people or fewer). Cass County has 42 active public water systems. Its population served is well below the county average of 651 people per system, and accounts for 0.4% of the 27,326 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 Holling House Nlom is about 31% 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 Holling House Nlom?
EPA lists Holling House Nlom 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. 20 of the 42 active systems in Cass County (48%) are also privately owned.
Does Holling House Nlom have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2026. The violations listed here began between April 2005 and January 2026. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as resolved and 1 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 |
|---|---|---|---|---|
| 2026-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitrate-Nitritecode 1038 | Yes | Archived |
| 2007-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
Holling House Nlom: frequently asked questions
Who runs Holling House Nlom?
Holling House Nlom (PWSID NE3121170) is a transient non-community water system privately owned. It is regulated by the NE state drinking water program.
How many people does Holling House Nlom serve?
Holling House Nlom reports serving 100 people through 5 service connections in Cass County, Nebraska.
Where does Holling House Nlom 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 Holling House Nlom have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2026. 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 Holling House Nlom'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 3 violations for this system; 2 are health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the NE state drinking water program.
Where can I find Holling House Nlom's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Holling House Nlom 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 Cass County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Plattsmouth, City of | Cass | 6,680 | Community | Groundwater |
| Beaver Lake Association Inc. | Cass | 3,144 | Community | Surface water |
| Cass Co Rwd 1 | Cass | 2,958 | Community | Groundwater |
| Cass Co Rwd 2 | Cass | 1,860 | Community | Groundwater |
| Cass Co Sid 5 - Buccaneer Bay | Cass | 1,417 | Community | Groundwater |
| Louisville, City of | Cass | 1,400 | 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, “Holling House Nlom, PWSID NE3121170, Nebraska”, https://aquacensus.com/water-systems/nebraska/holling-house-nlom-ne3121170 (data as of October 1, 2026).