Public water system · MD0120012
ActiveCity of Havre De Grace
At a glance
City of Havre De Grace (PWSID MD0120012) is an active community water system in Harford County, Maryland. It reports serving 14,000 people through 4,500 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,000
Service connections
4,500
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does City of Havre De Grace compare with other water systems in Harford County?
By EPA's size categories, City of Havre De Grace is a large system (10,001 to 100,000 people). Harford County has 226 active public water systems, and City of Havre De Grace is the 4th-largest of them by population served. Its population served is about 15 times the county average of 956 people per system, and accounts for 6.5% of the 215,993 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 Havre De Grace is about twice 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 Havre De Grace?
EPA lists City of Havre De Grace 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. 45 of the 226 active systems in Harford County (20%) are also owned by a local government.
Does City of Havre De Grace have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. The violations listed here began between July 2024 and July 2024. By type: 12 monitoring and reporting. The contaminants or rules involved are Hexachlorocyclopentadiene, Benzo(a)pyrene, Toxaphene and Lindane (gamma-BHC). 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 |
|---|---|---|---|---|
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | 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.
City of Havre De Grace: frequently asked questions
Who runs City of Havre De Grace?
City of Havre De Grace (PWSID MD0120012) 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 Havre De Grace serve?
City of Havre De Grace reports serving 14,000 people through 4,500 service connections in Harford County, Maryland.
Where does City of Havre De Grace 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 Havre De Grace have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 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 City of Havre De Grace'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. 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 Havre De Grace's water quality report?
As a community water system, City of Havre De Grace 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 Harford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Harford County D.P.W. | Harford | 104,567 | Community | Surface water |
| City of Aberdeen | Harford | 18,006 | Community | Purchased surface water |
| Chapel Hill - Aberdeen Proving Grounds | Harford | 15,000 | Community | Groundwater |
| Maryland American Water Company | Harford | 13,200 | Community | Surface water |
| Harford Community College - Main Campus | Harford | 2,500 | Non-transient non-community | Groundwater |
| Greenridge Subdivision | Harford | 2,271 | 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 Havre De Grace, PWSID MD0120012, Maryland”, https://aquacensus.com/water-systems/maryland/city-of-havre-de-grace-md0120012 (data as of October 1, 2026).