Public water system record
Town of Poolesville
Serves Poolesville, Montgomery County, MD · 6,005 people served
Federal records show no health-based violations and 6 monitoring/reporting issues for Town of Poolesville 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
- 6
Key facts
- Town of Poolesville draws water from 11 wells.
- Record on file since 1996, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 91 unknown out of 91 service lines.
Check whether Town of Poolesville 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 |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrate
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrate
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Nitrate
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2013 | Resolved |
Full record since 1996
EPA's records for Town of Poolesville go back to 1996. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 40 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 1 | 9 |
| 2010 to October 18, 2016 | 2 | 30 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Gross Alpha, Excl. Radon and U, began July 2015, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 26 pCi/L, federal limit 15 pCi/L (1.7 times the limit)
|
Jul 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 30 pCi/L, federal limit 15 pCi/L (2 times the limit)
|
Apr 1, 2015 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 2008 | Resolved |
Where the water comes from
Town of Poolesville draws water from 11 wells.
Annual water quality report
Town of Poolesville 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 Maryland.
Certified drinking water labs by state EPA guidance for private wells