Public water system record
Town of Four Oaks
Serves Four Oaks, Johnston County, NC · 2,302 people served
Federal records show 7 health-based violations and 9 monitoring/reporting issues for Town of Four Oaks in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 7
- Resolved
- 7
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 9
Key facts
- Town of Four Oaks buys its water from Johnston Co-West.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2023.
- Most recent formal enforcement: compliance order (no penalty) by North Carolina, August 2025.
- Record on file since 1980, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 286 service lines.
Check whether Town of Four Oaks 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jul 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Oct 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | 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 |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jan 18, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Dec 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Dec 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2017 | Resolved |
|
Chloramine
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
Full record since 1980
EPA's records for Town of Four Oaks go back to 1980. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 18 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 4 |
| 1990s | 0 | 4 |
| 2000s | 1 | 0 |
| 2010 to October 18, 2016 | 4 | 10 |
| October 19, 2016 to 2019 | 1 | 6 |
| 2020s | 5 | 3 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Apr 1, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jan 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Oct 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2003 | Resolved |
Enforcement actions
North Carolina regulators took 16 formal enforcement actions against Town of Four Oaks between 2012 and 2025, filed as 20 records in EPA's data. The most recent was a compliance order (no penalty) in August 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 1, 2025 | North Carolina | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Mar 6, 2024 | North Carolina | Compliance order with a penalty | 2 violations: Lead and Copper Rule |
| Jan 30, 2024 | North Carolina | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Mar 9, 2023 | North Carolina | Compliance order (no penalty) | 2 violations (2 health-based): Total Trihalomethanes (TTHMs) |
| Dec 18, 2020 | North Carolina | Compliance order (no penalty) | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
| Mar 19, 2019 | North Carolina | Compliance order (no penalty) | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Mar 2, 2018 | North Carolina | Compliance order (no penalty) | 2 violations: Chloramine, Revised Total Coliform Rule |
| Jan 27, 2017 | North Carolina | Compliance order (no penalty) | 2 violations (2 health-based): Total Trihalomethanes (TTHMs) |
| Mar 13, 2015 | North Carolina | Compliance order with a penalty | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Feb 16, 2015 | North Carolina | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Dec 12, 2014 | North Carolina | Compliance order (no penalty) | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Oct 8, 2014 | North Carolina | Compliance order (no penalty) | 4 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Aug 29, 2014 | North Carolina | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
| Apr 15, 2014 | North Carolina | Compliance order with a penalty | 1 violation: Total Coliform |
| Mar 7, 2014 | North Carolina | Compliance order (no penalty) | 2 violations: Chloramine, Total Coliform |
| May 9, 2012 | North Carolina | Compliance order (no penalty) | 2 violations (2 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
7 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Town of Four Oaks buys its water from Johnston Co-West. It lists no wells or intakes of its own.
Buys water from
- Johnston Co-West Smithfield, NC
Annual water quality report
Town of Four Oaks 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