Public water system · WY5680122
ActiveUsaf F.E. Warren Afb
At a glance
Usaf F.E. Warren Afb (PWSID WY5680122) is an active community water system in Laramie County, Wyoming. It reports serving 5,500 people through 400 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,500
Service connections
400
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Usaf F.E. Warren Afb compare with other water systems in Laramie County?
By EPA's size categories, Usaf F.E. Warren Afb is a medium system (3,301 to 10,000 people). Laramie County has 50 active public water systems, and Usaf F.E. Warren Afb is the 3rd-largest of them by population served. Its population served is about 184% above the county average of 1,933 people per system, and accounts for 5.7% of the 96,668 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active community water system reports serving 6,703 people, so Usaf F.E. Warren Afb is about 18% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wyoming has 332 active community water systems, 43% of the state's 775 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 79 Wyoming systems (10%) list purchased surface water as their primary source.
Who owns and regulates Usaf F.E. Warren Afb?
EPA lists Usaf F.E. Warren Afb as owned by the federal government. 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. 1 of the 50 active systems in Laramie County (2%) are also owned by the federal government.
Does Usaf F.E. Warren Afb have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2023. The violations listed here began between October 2002 and April 2023. By type: 10 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 10 as resolved and 2 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 |
|---|---|---|---|---|
| 2023-04-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2023-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-06-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-06-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2012-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2002-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Usaf F.E. Warren Afb: frequently asked questions
Who runs Usaf F.E. Warren Afb?
Usaf F.E. Warren Afb (PWSID WY5680122) is a community water system owned by the federal government. It is regulated by the WY state drinking water program.
How many people does Usaf F.E. Warren Afb serve?
Usaf F.E. Warren Afb reports serving 5,500 people through 400 service connections in Laramie County, Wyoming.
Where does Usaf F.E. Warren Afb 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 Usaf F.E. Warren Afb have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2023. 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 Usaf F.E. Warren Afb'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, one is health-based, and the most recent began in April 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find Usaf F.E. Warren Afb's water quality report?
As a community water system, Usaf F.E. Warren Afb must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Laramie County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cheyenne Board of Public Utilities | Laramie | 64,165 | Community | Surface water |
| South Cheyenne Water & Sewer District | Laramie | 10,000 | Community | Purchased surface water |
| Love`S Travel Center | Laramie | 1,545 | Non-transient non-community | Groundwater |
| Travel Centers of America | Laramie | 1,525 | Non-transient non-community | Groundwater |
| Cheyenne Hills Church | Laramie | 1,211 | Transient non-community | Groundwater |
| Pine Bluffs, Town of | Laramie | 1,186 | 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, “Usaf F.E. Warren Afb, PWSID WY5680122, Wyoming”, https://aquacensus.com/water-systems/wyoming/usaf-f-e-warren-afb-wy5680122 (data as of October 1, 2026).