Harford County, Pennsylvania — public water systems
At a glance
3 active public water systems are filed under Harford County, Pennsylvania in EPA's SDWIS records, together reporting 129 people served. The largest is Wetlands, Locksley Manor Golf Course, which reports serving 65 people.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
3
Population served
129
Community systems
—
Groundwater share
100%
How does Harford County compare with other Pennsylvania counties?
Harford County has the 71st-most active public water systems among the 99 counties listed for active Pennsylvania systems in EPA records; among the 71 with 3 or more systems, the median has 76. Its systems report 129 people served in total, the 86th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 43 people, well below the Pennsylvania average of 1,741. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Harford County's drinking water come from?
By primary water source, Harford County's active systems draw on groundwater (3, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 93% and 6.8% across Pennsylvania. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Wetlands, Locksley Manor Golf Course, draws primarily on groundwater.
What kinds of water systems operate in Harford County?
Harford County's active systems break down as 3 transient non-community systems (100%). A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (100%).
Water systems in Harford County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Wetlands, Locksley Manor Golf Course | Harford | 65 | Transient non-community | Groundwater |
| 2 | Glen Cove Marina | Harford | 36 | Transient non-community | Groundwater |
| 3 | Madonna Heritage Boarding Home | Harford | 28 | Transient non-community | Groundwater |
Harford County water systems: frequently asked questions
How many public water systems are in Harford County, Pennsylvania?
EPA's SDWIS records file 3 active public water systems under Harford County, Pennsylvania: 3 transient non-community systems (100%).
Does Harford County's drinking water come from groundwater or surface water?
Of the 3 active public water systems in Harford County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Wetlands, Locksley Manor Golf Course, uses groundwater.
Where can I find a water quality report for Harford County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year.
How can I check violations for a water system in Harford County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Pennsylvania water systems
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, “Public water systems in Harford County, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/harford (data as of October 1, 2026).