Public water system · MD0210010
ActiveCity of Hagerstown
At a glance
City of Hagerstown (PWSID MD0210010) is an active community water system in Washington County, Maryland. It reports serving 92,200 people through 28,000 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
92,200
Service connections
28,000
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does City of Hagerstown compare with other water systems in Washington County?
By EPA's size categories, City of Hagerstown is a large system (10,001 to 100,000 people). Washington County has 78 active public water systems, and City of Hagerstown is the largest of them by population served. Its population served is about 58 times the county average of 1,584 people per system, and accounts for 75% 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 City of Hagerstown is about 14 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 31 Maryland systems (1%) list surface water as their primary source.
Who owns and regulates City of Hagerstown?
EPA lists City of Hagerstown 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. 15 of the 78 active systems in Washington County (19%) are also owned by a local government.
Does City of Hagerstown have drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2015. The violations listed here began between January 1996 and July 2015. By type: 2 required treatment not met, 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Surface Water Treatment Rule (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-09-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1996-01-22 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 4 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.
City of Hagerstown: frequently asked questions
Who runs City of Hagerstown?
City of Hagerstown (PWSID MD0210010) is a community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does City of Hagerstown serve?
City of Hagerstown reports serving 92,200 people through 28,000 service connections in Washington County, Maryland.
Where does City of Hagerstown get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does City of Hagerstown have any drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2015. 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 City of Hagerstown'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 4 violations for this system; 3 are health-based, and the most recent began in July 2015. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.
Where can I find City of Hagerstown's water quality report?
As a community water system, City of Hagerstown 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 |
|---|---|---|---|---|
| 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 |
| Lakeside Village | Washington | 1,575 | Community | Purchased 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, “City of Hagerstown, PWSID MD0210010, Maryland”, https://aquacensus.com/water-systems/maryland/city-of-hagerstown-md0210010 (data as of October 1, 2026).