Public water system record
Twin Boulders Subdivision
On record as serving Montgomery County, VA · Serves 90 people
Federal records show 1 health-based violation and 48 monitoring/reporting issues for Twin Boulders Subdivision in the last ten years. The most serious issue in this window was a resolved Stage 1 Disinfection Byproducts Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 48
Key facts
- Twin Boulders Subdivision draws water from 1 well.
- Most recent formal enforcement: compliance order with a penalty by Virginia, June 2021.
- Record on file since 1993, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 29 service lines.
Check whether Twin Boulders Subdivision 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Feb 1, 2020 | Resolved | No |
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, 2024 | Resolved |
|
Public Notice
OTHER
|
Jan 10, 2022 | Resolved |
|
Public Notice
OTHER
|
Jan 10, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Nov 27, 2021 | Resolved |
|
Public Notice
OTHER
|
Nov 27, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Oct 24, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Sep 23, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Aug 23, 2021 | Resolved |
|
Public Notice
OTHER
|
Aug 23, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jul 16, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jun 20, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2021 | Resolved |
|
Public Notice
OTHER
|
May 22, 2021 | Resolved |
|
Public Notice
OTHER
|
May 22, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Apr 16, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Mar 6, 2021 | Resolved |
|
Public Notice
OTHER
|
Mar 6, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jan 15, 2021 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Dec 31, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
Aug 8, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1993
EPA's records for Twin Boulders Subdivision go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 38 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 2 |
| 2000s | 0 | 32 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 1 | 45 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 1999, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1999 | Resolved |
Enforcement actions
Virginia regulators and EPA took 2 formal enforcement actions against Twin Boulders Subdivision between 2003 and 2021. The most recent was a compliance order with a penalty in June 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 5, 2021 | Virginia | Compliance order with a penalty | 43 violations (1 health-based): Consumer Confidence Rule, Revised Total Coliform Rule, Chlorine, Nitrate-Nitrite, Total Trihalomethanes (TTHMs) |
| Jun 25, 2003 | EPA | Compliance order (no penalty) | 4 violations: Total Coliform, Lead and Copper Rule |
What the violations mean
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
Where the water comes from
Twin Boulders Subdivision draws water from 1 well.
Annual water quality report
Twin Boulders Subdivision 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Twin Boulders Subdivision for a copy.
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