Public water system · VA2043250
ActiveClarke County Sanitary Authority
At a glance
Clarke County Sanitary Authority (PWSID VA2043250) is an active community water system in Clarke County, Virginia. It reports serving 1,287 people through 328 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2024.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,287
Service connections
328
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Clarke County Sanitary Authority compare with other water systems in Clarke County?
By EPA's size categories, Clarke County Sanitary Authority is a small system (501 to 3,300 people). Clarke County has 20 active public water systems, and Clarke County Sanitary Authority is the 2nd-largest of them by population served. Its population served is about 3.1 times the county average of 421 people per system, and accounts for 15% 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 community water system reports serving 6,703 people, so Clarke County Sanitary Authority is well 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. Virginia has 844 active community water systems, 35% of the state's 2,420 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 29 Virginia systems (1.2%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Clarke County Sanitary Authority?
EPA lists Clarke County Sanitary Authority as owned by a local 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. 2 of the 20 active systems in Clarke County (10%) are also owned by a local government.
Does Clarke County Sanitary Authority have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2024. The violations listed here began between August 1993 and December 2024. By type: 6 monitoring and reporting, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2024-12-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2017-10-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2016-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2004-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2004-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 8 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.
Clarke County Sanitary Authority: frequently asked questions
Who runs Clarke County Sanitary Authority?
Clarke County Sanitary Authority (PWSID VA2043250) is a community water system owned by a local government. It is regulated by the VA state drinking water program.
How many people does Clarke County Sanitary Authority serve?
Clarke County Sanitary Authority reports serving 1,287 people through 328 service connections in Clarke County, Virginia.
Where does Clarke County Sanitary Authority get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Clarke County Sanitary Authority have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2024. 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 Clarke County Sanitary Authority'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 8 violations for this system; none is health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the VA state drinking water program.
Where can I find Clarke County Sanitary Authority's water quality report?
As a community water system, Clarke County Sanitary Authority 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 Clarke County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Berryville, Town of | Clarke | 4,574 | Community | Surface water |
| Mount Weather Emergency Operations Cente | Clarke | 700 | Non-transient non-community | 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, “Clarke County Sanitary Authority, PWSID VA2043250, Virginia”, https://aquacensus.com/water-systems/virginia/clarke-county-sanitary-authority-va2043250 (data as of October 1, 2026).