Public water system · WY5680114
ActiveDevils Tower National Monument
At a glance
Devils Tower National Monument (PWSID WY5680114) is an active transient non-community water system in Crook County, Wyoming. It reports serving 3,071 people through 12 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,071
Service connections
12
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Devils Tower National Monument compare with other water systems in Crook County?
By EPA's size categories, Devils Tower National Monument is a small system (501 to 3,300 people). Crook County has 27 active public water systems, and Devils Tower National Monument is the largest of them by population served. Its population served is about 9.4 times the county average of 328 people per system, and accounts for 35% of the 8,854 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Devils Tower National Monument is about 21 times 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. Wyoming has 352 active transient non-community water systems, 45% 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 Devils Tower National Monument?
EPA lists Devils Tower National Monument 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. 2 of the 27 active systems in Crook County (7.4%) are also owned by the federal government.
Does Devils Tower National Monument have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2023. The violations listed here began between January 1993 and October 2023. By type: 3 monitoring and 2 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 5 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.
Devils Tower National Monument: frequently asked questions
Who runs Devils Tower National Monument?
Devils Tower National Monument (PWSID WY5680114) is a transient non-community water system owned by the federal government. It is regulated by the WY state drinking water program.
How many people does Devils Tower National Monument serve?
Devils Tower National Monument reports serving 3,071 people through 12 service connections in Crook County, Wyoming.
Where does Devils Tower National Monument 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 Devils Tower National Monument have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 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 Devils Tower National Monument'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 5 violations for this system; none is health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Devils Tower National Monument's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Devils Tower National Monument 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 Crook County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sundance, City of | Crook | 1,279 | Community | Groundwater |
| Moorcroft, Town of | Crook | 1,009 | Community | Groundwater |
| Devils Tower Koa-Campstool | Crook | 516 | Transient non-community | Groundwater |
| Pine Haven, Town of | Crook | 498 | Community | Groundwater |
| Hulett, Town of | Crook | 420 | Community | Groundwater |
| State Line Station | Crook | 305 | Transient non-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, “Devils Tower National Monument, PWSID WY5680114, Wyoming”, https://aquacensus.com/water-systems/wyoming/devils-tower-national-monument-wy5680114 (data as of October 1, 2026).