Public water system record
Rockbridge S/D
Serves Knightdale, Wake County, NC · 1,042 people served
Federal records show 4 health-based violations and 18 monitoring/reporting issues for Rockbridge S/D in the last ten years. The most serious issue in this window was a Combined Uranium violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 2
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 18
Key facts
- Rockbridge S/D draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by North Carolina, November 2025.
- Record on file since 2008, with 14 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 422 service lines.
Check whether Rockbridge S/D 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 |
|---|---|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
340 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 |
Active
Enforcement action in place
|
|
Chlorine
Monitoring and reporting
|
Mar 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2025 | Resolved |
|
Chlorine
Monitoring and reporting
|
Feb 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2025 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 |
Active
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 11, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Aug 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Aug 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Sep 5, 2015 |
Active
Enforcement action in place
|
Full record since 2008
EPA's records for Rockbridge S/D go back to 2008. Before October 19, 2016 they list 14 health-based violations (14 resolved) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 14 | 5 |
| 2020s | 3 | 17 |
Most recent health-based violation before October 19, 2016: Combined Uranium, began October 2016, Resolved.
Show all 14 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2016 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2016 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2016 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2016 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 41.3 pCi/L, federal limit 15 pCi/L (2.8 times the limit)
|
Oct 1, 2015 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 28 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Jul 1, 2015 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 29 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Apr 1, 2015 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2015 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 29 pCi/L, federal limit 15 pCi/L (1.9 times the limit)
|
Jan 1, 2015 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2013 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2013 | Resolved |
Enforcement actions
North Carolina regulators took 13 formal enforcement actions against Rockbridge S/D between 2008 and 2025, filed as 17 records in EPA's data. The most recent was a compliance order (no penalty) in November 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 3, 2025 | North Carolina | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Aug 15, 2025 | North Carolina | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Jun 11, 2025 | North Carolina | Compliance order (no penalty) | 2 violations: Chlorine, Revised Total Coliform Rule |
| May 6, 2025 | North Carolina | Compliance order (no penalty) | 2 violations: Chlorine, Revised Total Coliform Rule |
| Apr 15, 2025 | North Carolina | Compliance order (no penalty) | 2 violations: Chlorine, Revised Total Coliform Rule |
| Nov 14, 2024 | North Carolina | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Jan 31, 2024 | North Carolina | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Oct 18, 2023 | North Carolina | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Aug 25, 2022 | North Carolina | Compliance order (no penalty) | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Oct 15, 2015 | North Carolina | Compliance order (no penalty) | 1 violation: Public Notice |
| Jun 3, 2015 | North Carolina | Compliance order (no penalty) | 12 violations (12 health-based): Combined Uranium, Gross Alpha, Excl. Radon and U |
| May 10, 2013 | North Carolina | Compliance order (no penalty) | 2 violations (2 health-based): Combined Uranium |
| Jul 17, 2008 | North Carolina | Compliance order with a penalty | 1 violation: Lead and Copper Rule |
What the violations mean
Combined Uranium
2 incidentsTest results for Combined Uranium were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Gross Alpha, Excl. Radon and U
1 incidentTest results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about this violation.
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Rockbridge S/D draws water from 3 wells.
Annual water quality report
Rockbridge S/D 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 North Carolina.
Certified drinking water labs by state EPA guidance for private wells