Public water system · NE3121410
ActiveCottonwood Marina LLC
At a glance
Cottonwood Marina LLC (PWSID NE3121410) is an active transient non-community water system in Washington County, Nebraska. It reports serving 354 people through 106 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in December 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
354
Service connections
106
Primary source
SWP
Purchased surface water
System type
TNCWS
Transient non-community water system
System record
How does Cottonwood Marina LLC compare with other water systems in Washington County?
By EPA's size categories, Cottonwood Marina LLC is a very small system (500 people or fewer). Washington County has 19 active public water systems. Its population served is about 63% below the county average of 953 people per system, and accounts for 2% of the 18,110 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 Cottonwood Marina LLC is about 146% above 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 27 Nebraska systems (2.2%) list purchased surface water as their primary source.
Who owns and regulates Cottonwood Marina LLC?
EPA lists Cottonwood Marina LLC 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. 13 of the 19 active systems in Washington County (68%) are also privately owned.
Does Cottonwood Marina LLC have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in December 2019. The violations listed here began between October 2015 and December 2019. By type: 2 monitoring, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2019-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-03-21 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Cottonwood Marina LLC: frequently asked questions
Who runs Cottonwood Marina LLC?
Cottonwood Marina LLC (PWSID NE3121410) is a transient non-community water system privately owned. It is regulated by the NE state drinking water program.
How many people does Cottonwood Marina LLC serve?
Cottonwood Marina LLC reports serving 354 people through 106 service connections in Washington County, Nebraska.
Where does Cottonwood Marina LLC get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Cottonwood Marina LLC have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in December 2019. 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 Cottonwood Marina LLC'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 4 violations for this system; 2 are health-based, and the most recent began in December 2019. For current results, consult EPA ECHO, or the NE state drinking water program.
Where can I find Cottonwood Marina LLC's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cottonwood Marina LLC 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Blair, City of | Washington | 8,000 | Community | Surface water |
| Washington Co Rural Water 1 | Washington | 1,964 | Community | Purchased surface water |
| Lakeland Estates Water Company | Washington | 1,552 | Community | Purchased surface water |
| Kennard, Village of | Washington | 1,350 | Community | Purchased surface water |
| Arlington, Village of | Washington | 1,350 | Community | Groundwater |
| Washington Co Rural Water 2 | Washington | 1,218 | Community | Purchased 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, “Cottonwood Marina LLC, PWSID NE3121410, Nebraska”, https://aquacensus.com/water-systems/nebraska/cottonwood-marina-llc-ne3121410 (data as of October 1, 2026).