Public water system · NC0351187
ActiveRiverwood S/D
At a glance
Riverwood S/D (PWSID NC0351187) is an active community water system in Johnston County, North Carolina. It reports serving 553 people through 218 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
553
Service connections
218
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Riverwood S/D compare with other water systems in Johnston County?
By EPA's size categories, Riverwood S/D is a small system (501 to 3,300 people). Johnston County has 54 active public water systems. Its population served is well below the county average of 3,982 people per system, and accounts for 0.3% 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 Riverwood S/D is well 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,566 North Carolina systems (90%) list groundwater as their primary source.
Who owns and regulates Riverwood S/D?
EPA lists Riverwood S/D as privately owned. 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. 37 of the 54 active systems in Johnston County (69%) are also privately owned.
Does Riverwood S/D have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. The violations listed here began between January 1996 and January 2024. By type: 3 monitoring and reporting. The contaminants or rules involved are Total trihalomethanes (TTHM), Haloacetic acids (HAA5) and Nitrate. EPA lists 3 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 3 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.
Riverwood S/D: frequently asked questions
Who runs Riverwood S/D?
Riverwood S/D (PWSID NC0351187) is a community water system privately owned. It is regulated by the NC state drinking water program.
How many people does Riverwood S/D serve?
Riverwood S/D reports serving 553 people through 218 service connections in Johnston County, North Carolina.
Where does Riverwood S/D get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Riverwood S/D have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. 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 Riverwood S/D's 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. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.
Where can I find Riverwood S/D's water quality report?
As a community water system, Riverwood S/D 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 |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Riverwood S/D, PWSID NC0351187, North Carolina”, https://aquacensus.com/water-systems/north-carolina/riverwood-s-d-nc0351187 (data as of October 1, 2026).