Public water system · CO0230860
ActiveNational Laboratory of the Rockies
At a glance
National Laboratory of the Rockies (PWSID CO0230860) is an active non-transient non-community water system in Jefferson County, Colorado. It reports serving 168 people through 3 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
168
Service connections
3
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does National Laboratory of the Rockies compare with other water systems in Jefferson County?
By EPA's size categories, National Laboratory of the Rockies is a very small system (500 people or fewer). Jefferson County has 112 active public water systems. Its population served is well below the county average of 5,159 people per system, and accounts for less than 0.1% of the 577,783 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so National Laboratory of the Rockies is about 61% below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Colorado has 183 active non-transient non-community water systems, 8.3% of the state's 2,207 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 337 Colorado systems (15%) list purchased surface water as their primary source.
Who owns and regulates National Laboratory of the Rockies?
EPA lists National Laboratory of the Rockies as privately owned. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 69 of the 112 active systems in Jefferson County (62%) are also privately owned.
Does National Laboratory of the Rockies have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2013. The violations listed here began between January 2013 and January 2013. By type: 2 monitoring and reporting. The contaminants or rules involved are Total trihalomethanes (TTHM) and Haloacetic acids (HAA5). EPA lists 2 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 |
|---|---|---|---|---|
| 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 |
All 2 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.
National Laboratory of the Rockies: frequently asked questions
Who runs National Laboratory of the Rockies?
National Laboratory of the Rockies (PWSID CO0230860) is a non-transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does National Laboratory of the Rockies serve?
National Laboratory of the Rockies reports serving 168 people through 3 service connections in Jefferson County, Colorado.
Where does National Laboratory of the Rockies 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 National Laboratory of the Rockies have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2013. 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 National Laboratory of the Rockies' 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 2 violations for this system; none is health-based, and the most recent began in January 2013. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find National Laboratory of the Rockies' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. National Laboratory of the Rockies is a non-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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Arvada City of | Jefferson | 171,610 | Community | Surface water |
| Consolidated Mutual Maple Grove | Jefferson | 81,400 | Community | Surface water |
| Green Mountain Wsd | Jefferson | 49,400 | Community | Purchased surface water |
| Bancroft Clover Wsd | Jefferson | 44,000 | Community | Purchased surface water |
| Golden City of | Jefferson | 38,288 | Community | Surface water |
| Bear Creek Wsd | Jefferson | 30,000 | 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, “National Laboratory of the Rockies, PWSID CO0230860, Colorado”, https://aquacensus.com/water-systems/colorado/national-laboratory-of-the-rockies-co0230860 (data as of October 1, 2026).