Public water system · VA4101010
ActiveAcquinton/Hamilton Holmes
At a glance
Acquinton/Hamilton Holmes (PWSID VA4101010) is an active non-transient non-community water system in King William County, Virginia. It reports serving 1,760 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in August 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,760
Service connections
4
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Acquinton/Hamilton Holmes compare with other water systems in King William County?
By EPA's size categories, Acquinton/Hamilton Holmes is a small system (501 to 3,300 people). King William County has 9 active public water systems, and Acquinton/Hamilton Holmes is the 2nd-largest of them by population served. Its population served is about 188% above the county average of 612 people per system, and accounts for 32% of the 5,508 people reported by systems filed under the county. Across Virginia, the 2,420 active systems average 3,122 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Acquinton/Hamilton Holmes is about 4.1 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Virginia has 443 active non-transient non-community water systems, 18% of the state's 2,420 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,089 Virginia systems (86%) list groundwater as their primary source.
Who owns and regulates Acquinton/Hamilton Holmes?
EPA lists Acquinton/Hamilton Holmes as owned by a local government. The VA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 9 active systems in King William County (22%) are also owned by a local government.
Does Acquinton/Hamilton Holmes have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in August 2017. The violations listed here began between October 1998 and August 2017. By type: 8 monitoring and reporting, 3 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 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 |
|---|---|---|---|---|
| 2017-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-09-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-09-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1999-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Acquinton/Hamilton Holmes: frequently asked questions
Who runs Acquinton/Hamilton Holmes?
Acquinton/Hamilton Holmes (PWSID VA4101010) is a non-transient non-community water system owned by a local government. It is regulated by the VA state drinking water program.
How many people does Acquinton/Hamilton Holmes serve?
Acquinton/Hamilton Holmes reports serving 1,760 people through 4 service connections in King William County, Virginia.
Where does Acquinton/Hamilton Holmes 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 Acquinton/Hamilton Holmes have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in August 2017. 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 Acquinton/Hamilton Holmes' 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, 3 are health-based, and the most recent began in August 2017. For current results, consult EPA ECHO, or the VA state drinking water program.
Where can I find Acquinton/Hamilton Holmes' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Acquinton/Hamilton Holmes is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in King William County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| West Point, Town of | King William | 3,063 | Community | Groundwater |
| Pamunkey Ridge Camp (Main Well) | King William | 220 | Transient non-community | Groundwater |
| Fun Farm Centers | King William | 112 | Non-transient non-community | Groundwater |
| Marle Hill Section 3 | King William | 108 | Community | Groundwater |
| Sharon Road Shopping Center | King William | 100 | Transient non-community | Groundwater |
| Marle Hill Subdivision | King William | 95 | 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, “Acquinton/Hamilton Holmes, PWSID VA4101010, Virginia”, https://aquacensus.com/water-systems/virginia/acquinton-hamilton-holmes-va4101010 (data as of October 1, 2026).