Public water system · VA4057566
ActiveMaryfield Sub.
At a glance
Maryfield Sub. (PWSID VA4057566) is an active community water system in Essex County, Virginia. It reports serving 48 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; all are health-based, and the most recent began in September 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
48
Service connections
20
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Maryfield Sub. compare with other water systems in Essex County?
By EPA's size categories, Maryfield Sub. is a very small system (500 people or fewer). Essex County has 21 active public water systems. Its population served is well below the county average of 204 people per system, and accounts for 1.1% of the 4,274 people reported by systems filed under the county. Across Virginia, the 2,420 active systems average 3,122 people each. Nationally, the average active community water system reports serving 6,703 people, so Maryfield Sub. 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. Virginia has 844 active community water systems, 35% 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 Maryfield Sub.?
EPA lists Maryfield Sub. as privately owned. 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. 20 of the 21 active systems in Essex County (95%) are also privately owned.
Does Maryfield Sub. have drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in September 2000. The violations listed here began between July 1999 and September 2000. By type: 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2000-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 2 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.
Maryfield Sub.: frequently asked questions
Who runs Maryfield Sub.?
Maryfield Sub. (PWSID VA4057566) is a community water system privately owned. It is regulated by the VA state drinking water program.
How many people does Maryfield Sub. serve?
Maryfield Sub. reports serving 48 people through 20 service connections in Essex County, Virginia.
Where does Maryfield Sub. 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 Maryfield Sub. have any drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in September 2000. 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 Maryfield Sub.'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 2 violations for this system; all are health-based, and the most recent began in September 2000. For current results, consult the system's annual water quality report, EPA ECHO, or the VA state drinking water program.
Where can I find Maryfield Sub.'s water quality report?
As a community water system, Maryfield Sub. 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 Essex County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tappahannock, Town of | Essex | 2,375 | Community | Groundwater |
| Gwynnfield Subdivision | Essex | 398 | Community | Groundwater |
| Va American South Hill Banks | Essex | 183 | Community | Groundwater |
| Aylett Country Day School | Essex | 175 | Non-transient non-community | Groundwater |
| Vcu Health Tappahannock Hospital | Essex | 150 | Non-transient non-community | Groundwater |
| Cottage Row | Essex | 120 | 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, “Maryfield Sub., PWSID VA4057566, Virginia”, https://aquacensus.com/water-systems/virginia/maryfield-sub-va4057566 (data as of October 1, 2026).