Public water system record
Washington Aqueduct Division.
On record as serving District of Columbia, DC · Population served not reported
Federal records show no health-based violations and 1 monitoring/reporting issue for Washington Aqueduct Division. 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
- Washington Aqueduct Division. draws water from 2 surface water intakes and 3 reservoirs.
- Most recent formal enforcement: emergency order under section 1431 of the Safe Drinking Water Act by EPA, October 1993.
- Record on file since 1993, with 3 health-based violations before October 19, 2016.
Check whether Washington Aqueduct Division. 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 |
|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2020 | Resolved |
Full record since 1993
EPA's records for Washington Aqueduct Division. go back to 1993. Before October 19, 2016 they list 3 health-based violations (2 resolved, 1 archived by EPA without a recorded fix) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 0 |
| 2000s | 1 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began December 2008, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Dec 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1993 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1993 | Resolved |
Enforcement actions
EPA took 1 formal enforcement action against Washington Aqueduct Division. in 1993. The most recent was an emergency order under section 1431 of the Safe Drinking Water Act in October 1993.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 5, 1993 | EPA | Emergency order under section 1431 of the Safe Drinking Water Act | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Washington Aqueduct Division. draws water from 2 surface water intakes and 3 reservoirs. 3 other community water systems and 1 smaller public system such as schools, businesses or campgrounds buy water from Washington Aqueduct Division.
Community systems that buy water from it
- Arlington County Arlington, VA
- D.C. Water and Sewer Authority Washington, DC
- Fairfax County Water Authority Herndon, VA
Annual water quality report
Washington Aqueduct Division. 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.
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 EPA Region 3.
Certified drinking water labs by state EPA guidance for private wells