Public water system · MD1100030
ActiveSabillasville Environmental School
At a glance
Sabillasville Environmental School (PWSID MD1100030) is an active non-transient non-community water system in Frederick County, Maryland. It reports serving 230 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
230
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Sabillasville Environmental School compare with other water systems in Frederick County?
By EPA's size categories, Sabillasville Environmental School is a very small system (500 people or fewer). Frederick County has 211 active public water systems. Its population served is well below the county average of 1,007 people per system, and accounts for 0.1% of the 212,367 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Sabillasville Environmental School is about half of 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. Maryland has 491 active non-transient non-community water systems, 16% of the state's 2,992 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,870 Maryland systems (96%) list groundwater as their primary source.
Who owns and regulates Sabillasville Environmental School?
EPA lists Sabillasville Environmental School as owned by a local government. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 41 of the 211 active systems in Frederick County (19%) are also owned by a local government.
Does Sabillasville Environmental School have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between October 1992 and October 2024. By type: 4 monitoring and reporting, 1 reporting, 1 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2021-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Sabillasville Environmental School: frequently asked questions
Who runs Sabillasville Environmental School?
Sabillasville Environmental School (PWSID MD1100030) is a non-transient non-community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Sabillasville Environmental School serve?
Sabillasville Environmental School reports serving 230 people through 1 service connection in Frederick County, Maryland.
Where does Sabillasville Environmental School 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 Sabillasville Environmental School have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in October 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 Sabillasville Environmental School'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 7 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Sabillasville Environmental School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sabillasville Environmental School 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 Frederick County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New Design - Frederick County | Frederick | 74,911 | Community | Surface water |
| City of Frederick | Frederick | 54,000 | Community | Surface water |
| Town of Walkersville | Frederick | 8,440 | Community | Groundwater under influence of surface water |
| Fort Detrick | Frederick | 7,900 | Community | Surface water |
| City of Brunswick | Frederick | 7,312 | Community | Surface water |
| Town of Thurmont | Frederick | 6,200 | Community | Groundwater under influence of surface water |
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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, “Sabillasville Environmental School, PWSID MD1100030, Maryland”, https://aquacensus.com/water-systems/maryland/sabillasville-environmental-school-md1100030 (data as of October 1, 2026).