Public water system · WY5601374
ActiveNavajo Trans Engr Co., LLC (Antelope)
At a glance
Navajo Trans Engr Co., LLC (Antelope) (PWSID WY5601374) is an active non-transient non-community water system in Converse County, Wyoming. It reports serving 550 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; none is health-based, and the most recent began in July 1998.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
550
Service connections
5
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Navajo Trans Engr Co., LLC (Antelope) compare with other water systems in Converse County?
By EPA's size categories, Navajo Trans Engr Co., LLC (Antelope) is a small system (501 to 3,300 people). Converse County has 19 active public water systems, and Navajo Trans Engr Co., LLC (Antelope) is the 4th-largest of them by population served. Its population served is about 27% below the county average of 756 people per system, and accounts for 3.8% of the 14,359 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Navajo Trans Engr Co., LLC (Antelope) is about 28% above 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. Wyoming has 91 active non-transient non-community water systems, 12% of the state's 775 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 585 Wyoming systems (75%) list groundwater as their primary source.
Who owns and regulates Navajo Trans Engr Co., LLC (Antelope)?
EPA lists Navajo Trans Engr Co., LLC (Antelope) as privately owned. The WY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 11 of the 19 active systems in Converse County (58%) are also privately owned.
Does Navajo Trans Engr Co., LLC (Antelope) have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 1998. The violations listed here began between July 1995 and July 1998. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as archived. 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 |
|---|---|---|---|---|
| 1998-07-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1997-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Navajo Trans Engr Co., LLC (Antelope): frequently asked questions
Who runs Navajo Trans Engr Co., LLC (Antelope)?
Navajo Trans Engr Co., LLC (Antelope) (PWSID WY5601374) is a non-transient non-community water system privately owned. It is regulated by the WY state drinking water program.
How many people does Navajo Trans Engr Co., LLC (Antelope) serve?
Navajo Trans Engr Co., LLC (Antelope) reports serving 550 people through 5 service connections in Converse County, Wyoming.
Where does Navajo Trans Engr Co., LLC (Antelope) 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 Navajo Trans Engr Co., LLC (Antelope) have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 1998. 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 Navajo Trans Engr Co., LLC (Antelope)'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; none is health-based, and the most recent began in July 1998. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Navajo Trans Engr Co., LLC (Antelope)'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Navajo Trans Engr Co., LLC (Antelope) 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 Converse County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Douglas, City of | Converse | 6,400 | Community | Surface water |
| Glenrock, Town of | Converse | 2,466 | Community | Groundwater |
| Wydot-Orin Junction Rest Area | Converse | 1,900 | Transient non-community | Groundwater |
| Broken Wheel Truck Stop | Converse | 540 | Non-transient non-community | Groundwater |
| Lone Tree Village MHP | Converse | 475 | Community | Purchased surface water |
| Rolling Hills, Town of | Converse | 450 | 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, “Navajo Trans Engr Co., LLC (Antelope), PWSID WY5601374, Wyoming”, https://aquacensus.com/water-systems/wyoming/navajo-trans-engr-co-llc-antelope-wy5601374 (data as of October 1, 2026).