Public water system · NC4092139
ActiveGraystone S/D
At a glance
Graystone S/D (PWSID NC4092139) is an active community water system in Wake County, North Carolina. It reports serving 53 people through 21 service connections. Its primary water source is purchased surface water, 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 October 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
53
Service connections
21
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Graystone S/D compare with other water systems in Wake County?
By EPA's size categories, Graystone S/D is a very small system (500 people or fewer). Wake County has 441 active public water systems. Its population served is well below the county average of 2,633 people per system, and accounts for less than 0.1% of the 1,161,234 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 Graystone 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. 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 Graystone S/D?
EPA lists Graystone 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. 421 of the 441 active systems in Wake County (95%) are also privately owned.
Does Graystone 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 October 2014. The violations listed here began between January 2014 and October 2014. By type: 3 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Total trihalomethanes (TTHM) and Haloacetic acids (HAA5). 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 |
|---|---|---|---|---|
| 2014-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | 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.
Graystone S/D: frequently asked questions
Who runs Graystone S/D?
Graystone S/D (PWSID NC4092139) is a community water system privately owned. It is regulated by the NC state drinking water program.
How many people does Graystone S/D serve?
Graystone S/D reports serving 53 people through 21 service connections in Wake County, North Carolina.
Where does Graystone S/D 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 Graystone 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 October 2014. 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 Graystone 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 October 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the NC state drinking water program.
Where can I find Graystone S/D's water quality report?
As a community water system, Graystone 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 Wake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Raleigh, City of | Wake | 650,000 | Community | Surface water |
| Cary, Town of | Wake | 227,300 | Community | Surface water |
| Apex, Town of | Wake | 83,001 | Community | Purchased surface water |
| Holly Springs, Town of | Wake | 51,947 | Community | Purchased surface water |
| Fuquay-Varina, Town of | Wake | 42,954 | Community | Purchased surface water |
| Bayleaf Master | Wake | 16,715 | 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, “Graystone S/D, PWSID NC4092139, North Carolina”, https://aquacensus.com/water-systems/north-carolina/graystone-s-d-nc4092139 (data as of October 1, 2026).