Public water system · VA2043634
ActiveMount Weather Emergency Operations Cente
At a glance
Mount Weather Emergency Operations Cente (PWSID VA2043634) is an active non-transient non-community water system in Clarke County, Virginia. It reports serving 700 people through 1 service connection. Its primary water source is surface water, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
700
Service connections
1
Primary source
SW
Surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Mount Weather Emergency Operations Cente compare with other water systems in Clarke County?
By EPA's size categories, Mount Weather Emergency Operations Cente is a small system (501 to 3,300 people). Clarke County has 20 active public water systems, and Mount Weather Emergency Operations Cente is the 3rd-largest of them by population served. Its population served is about 66% above the county average of 421 people per system, and accounts for 8.3% of the 8,414 people reported by systems filed under the county. Across Virginia, the 2,420 active systems average 3,122 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Mount Weather Emergency Operations Cente is about 63% 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. Virginia has 443 active non-transient non-community water systems, 18% of the state's 2,420 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 110 Virginia systems (4.5%) list surface water as their primary source.
Who owns and regulates Mount Weather Emergency Operations Cente?
EPA lists Mount Weather Emergency Operations Cente as owned by the federal government. The VA 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 20 active systems in Clarke County (5%) are also owned by the federal government.
Does Mount Weather Emergency Operations Cente have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. The violations listed here began between June 1980 and November 2025. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 6 as resolved and 6 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 |
|---|---|---|---|---|
| 2025-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2025-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 1980-06-24 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1980-06-24 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 1980-06-24 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Archived |
| 1980-06-24 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Archived |
| 1980-06-24 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Archived |
| 1980-06-24 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | 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.
Mount Weather Emergency Operations Cente: frequently asked questions
Who runs Mount Weather Emergency Operations Cente?
Mount Weather Emergency Operations Cente (PWSID VA2043634) is a non-transient non-community water system owned by the federal government. It is regulated by the VA state drinking water program.
How many people does Mount Weather Emergency Operations Cente serve?
Mount Weather Emergency Operations Cente reports serving 700 people through 1 service connection in Clarke County, Virginia.
Where does Mount Weather Emergency Operations Cente get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Mount Weather Emergency Operations Cente have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. 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 Mount Weather Emergency Operations Cente'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, none is health-based, and the most recent began in November 2025. For current results, consult EPA ECHO, or the VA state drinking water program.
Where can I find Mount Weather Emergency Operations Cente's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mount Weather Emergency Operations Cente 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 Clarke County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Berryville, Town of | Clarke | 4,574 | Community | Surface water |
| Clarke County Sanitary Authority | Clarke | 1,287 | Community | Groundwater under influence of surface water |
| Shen-Valley Auction Co Inc. | Clarke | 500 | Transient non-community | Groundwater |
| Retreat | Clarke | 250 | Community | Groundwater |
| Keystone Baptist Church | Clarke | 175 | Non-transient non-community | Groundwater |
| Northern Virginia Lions Youth Camp | Clarke | 120 | 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, “Mount Weather Emergency Operations Cente, PWSID VA2043634, Virginia”, https://aquacensus.com/water-systems/virginia/mount-weather-emergency-operations-cente-va2043634 (data as of October 1, 2026).