Washington County, North Carolina — public water systems
At a glance
7 active public water systems are filed under Washington County, North Carolina in EPA's SDWIS records, together reporting 11,093 people served. The largest is Washington County Water System, which reports serving 6,693 people. 4 are community water systems serving people where they live; the other 3 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
7
Population served
11.1K
Community systems
4
Groundwater share
100%
How does Washington County compare with other North Carolina counties?
Washington County has the 90th-most active public water systems among the 137 counties listed for active North Carolina systems in EPA records; among the 102 with 3 or more systems, the median has 29. Its systems report 11,093 people served in total, the 87th-largest county figure in the state and 0.1% of the statewide total. The average system here reports serving 1,585 people, about 20% below the North Carolina average of 1,971. 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 Washington County's drinking water come from?
By primary water source, Washington County's active systems draw on groundwater (6, 86%) and purchased groundwater (1, 14%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 91% and 9.1% across North Carolina. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Washington County Water System, draws primarily on groundwater.
What kinds of water systems operate in Washington County?
Washington County's active systems break down as 4 community systems (57%), 1 non-transient non-community systems (14%) and 2 transient non-community systems (29%). 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. 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. 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 local government (57%), state government (29%) and private (14%).
Water systems in Washington County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Washington County Water System | Washington | 6,693 | Community | Groundwater |
| 2 | Plymouth Water System | Washington | 3,243 | Community | Groundwater |
| 3 | Roper Water System | Washington | 546 | Community | Purchased groundwater |
| 4 | Creswell Town of | Washington | 482 | Community | Groundwater |
| 5 | Somerset Place Historic Site | Washington | 54 | Transient non-community | Groundwater |
| 6 | Pettigrew State Park | Washington | 50 | Transient non-community | Groundwater |
| 7 | Domtar Resource Bldg | Washington | 25 | Non-transient non-community | Groundwater |
Washington County water systems: frequently asked questions
How many public water systems are in Washington County, North Carolina?
EPA's SDWIS records file 7 active public water systems under Washington County, North Carolina: 4 community systems (57%), 1 non-transient non-community systems (14%) and 2 transient non-community systems (29%).
Who supplies drinking water in Washington County, NC?
The largest community water systems filed under Washington County are Washington County Water System (6,693 people served), Plymouth Water System (3,243 people served) and Roper Water System (546 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Washington County's drinking water come from groundwater or surface water?
Of the 7 active public water systems in Washington County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Washington County Water System, uses groundwater.
Where can I find a water quality report for Washington 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. 4 community systems are filed under Washington County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Washington 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 North Carolina 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 Washington County, North Carolina”, https://aquacensus.com/water-systems/north-carolina/washington (data as of October 1, 2026).