Public water system record
Town of Vienna
Serves Vienna, Wolf Trap and Oakton, Fairfax County, VA · 30,000 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Town of Vienna in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Town of Vienna buys its water from Fairfax County Water Authority.
- Record on file since 1991, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 9,534 service lines.
Check whether Town of Vienna serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2025 | Resolved |
Full record since 1991
EPA's records for Town of Vienna go back to 1991. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began May 1991, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1991 | Archived |
Where the water comes from
Town of Vienna buys its water from Fairfax County Water Authority. It lists no wells or intakes of its own.
Buys water from
- Fairfax County Water Authority Herndon, VA
Annual water quality report
Town of Vienna must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Virginia.
Certified drinking water labs by state EPA guidance for private wells