Onslow County, North Carolina — public water systems

How does Onslow County compare with other North Carolina counties?

Onslow County has the 62nd-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 288,948 people served in total, the 7th-largest county figure in the state and 2.9% of the statewide total. The average system here reports serving 13,759 people, about 7 times 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 Onslow County's drinking water come from?

By primary water source, Onslow County's active systems draw on groundwater (13, 62%) and purchased groundwater (8, 38%). 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, Onslow Wtr and Sewer Authority, draws primarily on groundwater.

What kinds of water systems operate in Onslow County?

Onslow County's active systems break down as 17 community systems (81%), 1 non-transient non-community systems (4.8%) and 3 transient non-community systems (14%). 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 private (43%), federal government (29%), local government (24%) and state government (4.8%).