Public water system · NC0351035
ActiveFour Oaks, Town of
At a glance
Town of Four Oaks (PWSID NC0351035) is an active community water system in Johnston County, North Carolina. It reports serving 2,302 people through 1,599 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,302
Service connections
1,599
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Town of Four Oaks compare with other water systems in Johnston County?
By EPA's size categories, Town of Four Oaks is a small system (501 to 3,300 people). Johnston County has 54 active public water systems. Its population served is about 42% below the county average of 3,982 people per system, and accounts for 1.1% of the 214,999 people reported by systems filed under the county. Across North Carolina, the 5,087 active systems average 1,971 people each. Nationally, the average active community water system reports serving 6,703 people, so Town of Four Oaks is about 66% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. North Carolina has 2,031 active community water systems, 40% of the state's 5,087 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 331 North Carolina systems (6.5%) list purchased surface water as their primary source.
Who owns and regulates Town of Four Oaks?
EPA lists Town of Four Oaks as owned by a local government. The NC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 16 of the 54 active systems in Johnston County (30%) are also owned by a local government.
Does Town of Four Oaks have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2025. The violations listed here began between July 2018 and April 2025. By type: 5 contaminant level above the legal limit, 4 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (6 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2023-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-01-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2020-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2018-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2018-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Town of Four Oaks: frequently asked questions
Who runs Town of Four Oaks?
Town of Four Oaks (PWSID NC0351035) is a community water system owned by a local government. It is regulated by the NC state drinking water program.
How many people does Town of Four Oaks serve?
Town of Four Oaks reports serving 2,302 people through 1,599 service connections in Johnston County, North Carolina.
Where does Town of Four Oaks get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Town of Four Oaks have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Town of Four Oaks' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.
Where can I find Town of Four Oaks' water quality report?
As a community water system, Town of Four Oaks must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Johnston County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Johnston Co-West | Johnston | 99,027 | Community | Surface water |
| Clayton, Town of | Johnston | 30,876 | Community | Purchased surface water |
| Johnston Co-East | Johnston | 25,212 | Community | Surface water |
| Smithfield, Town of | Johnston | 12,900 | Community | Surface water |
| Flowers Plantation | Johnston | 11,643 | Community | Purchased surface water |
| Selma, Town of | Johnston | 6,190 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Four Oaks, Town of, PWSID NC0351035, North Carolina”, https://aquacensus.com/water-systems/north-carolina/four-oaks-town-of-nc0351035 (data as of October 1, 2026).