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Public water system · VA6059800

Active

Vienna, Town of

At a glance

Town of Vienna (PWSID VA6059800) is an active community water system in Fairfax County, Virginia. It reports serving 27,134 people through 9,301 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

27,134

Service connections

9,301

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDVA6059800
System typeCommunity water system
Activity statusActive
Population served27,134
Service connections9,301
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyVA state drinking water program
City served—
StateVirginia
ZIP—
CountyFairfax County

How does Town of Vienna compare with other water systems in Fairfax County?

By EPA's size categories, Town of Vienna is a large system (10,001 to 100,000 people). Fairfax County has 43 active public water systems, and Town of Vienna is the 4th-largest of them by population served. Its population served is about 11% below the county average of 30,570 people per system, and accounts for 2.1% of the 1,314,517 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 Town of Vienna is about 4 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 162 Virginia systems (6.7%) list purchased surface water as their primary source.

Who owns and regulates Town of Vienna?

EPA lists Town of Vienna 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. 20 of the 43 active systems in Fairfax County (47%) are also owned by a local government.

Does Town of Vienna have drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2025. The violations listed here began between May 1991 and October 2025. By type: 2 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminants or rules involved are Consumer Confidence Rule, Lead and Copper Rule, Stage 2 Disinfectants and Disinfection Byproducts Rule and Total coliform bacteria (TCR). EPA lists 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-02Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2013-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2010-01-01Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600NoResolved
1991-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 4 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.

Town of Vienna: frequently asked questions

Who runs Town of Vienna?

Town of Vienna (PWSID VA6059800) is a community water system owned by a local government. It is regulated by the VA state drinking water program.

How many people does Town of Vienna serve?

Town of Vienna reports serving 27,134 people through 9,301 service connections in Fairfax County, Virginia.

Where does Town of Vienna 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 Town of Vienna have any drinking water violations?

EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 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 Town of Vienna'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 4 violations for this system; 1 is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the VA state drinking water program.

Where can I find Town of Vienna's water quality report?

As a community water system, Town of Vienna 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 Fairfax County

Water systemCountyPopulation servedTypeSource
Fairfax County Water AuthorityFairfax1,121,613CommunitySurface water
Dulles AirportFairfax76,500Non-transient non-communityPurchased surface water
Fort BelvoirFairfax39,303CommunityPurchased surface water
Herndon, Town ofFairfax24,601CommunityPurchased surface water
Fort Belvoir North AreaFairfax11,822Non-transient non-communityPurchased surface water
Mount VernonFairfax3,000Non-transient non-communityGroundwater

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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, “Vienna, Town of, PWSID VA6059800, Virginia”, https://aquacensus.com/water-systems/virginia/vienna-town-of-va6059800 (data as of October 1, 2026).