Public water system · MD0210015
ActiveMount Aetna
At a glance
Mount Aetna (PWSID MD0210015) is an active community water system in Washington County, Maryland. It reports serving 688 people through 146 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 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
688
Service connections
146
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mount Aetna compare with other water systems in Washington County?
By EPA's size categories, Mount Aetna is a small system (501 to 3,300 people). Washington County has 78 active public water systems. Its population served is about 57% below the county average of 1,584 people per system, and accounts for 0.6% of the 123,580 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active community water system reports serving 6,703 people, so Mount Aetna 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. Maryland has 422 active community water systems, 14% 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 Mount Aetna?
EPA lists Mount Aetna as privately owned. 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. 57 of the 78 active systems in Washington County (73%) are also privately owned.
Does Mount Aetna have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2013. The violations listed here began between July 2009 and January 2013. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). 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 |
|---|---|---|---|---|
| 2013-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2012-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | 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.
Mount Aetna: frequently asked questions
Who runs Mount Aetna?
Mount Aetna (PWSID MD0210015) is a community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Mount Aetna serve?
Mount Aetna reports serving 688 people through 146 service connections in Washington County, Maryland.
Where does Mount Aetna 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 Mount Aetna 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 2013. 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 Mount Aetna'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 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.
Where can I find Mount Aetna's water quality report?
As a community water system, Mount Aetna 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Hagerstown | Washington | 92,200 | Community | Surface water |
| Boonsboro - Keedysville | Washington | 4,250 | Community | Surface water |
| Town of Smithsburg Distribution System | Washington | 2,500 | Community | Purchased surface water |
| Town of Williamsport Distribution System | Washington | 2,400 | Community | Purchased surface water |
| Town of Hancock | Washington | 1,921 | Community | Groundwater |
| Sideling Hill State Park Exhibit Rt 68 W | Washington | 1,603 | Transient non-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, “Mount Aetna, PWSID MD0210015, Maryland”, https://aquacensus.com/water-systems/maryland/mount-aetna-md0210015 (data as of October 1, 2026).