Much like our transportation assets, Onslow County has reliable, robust utility infrastructure.

Water & Sewer

Onslow Water and Sewer Authority ONWASA, (the Onslow Water and Sewer Authority) is a special government authority created to provide water utility services to the region.  ONWASA’s service area extends throughout Onslow County and some of Pender County including the Towns of Richlands, Swansboro, North Topsail Beach, Holly Ridge, and portions of Surf City and area military installations.  Over 145,000 residents rely on ONWASA’s drinking water, which comes exclusively from ancient underground aquifers.The City of Jacksonville provides water and sewer to more than 80,000 residents.


Duke Energy Progress and Jones-Onslow Electric Membership Corporation (JOEMC) provide electric service to businesses and residents in Onslow County. Duke Energy Progress, a subsidiary of Duke Energy, owns nuclear, coal, natural gas, renewables and hydroelectric generation. That diverse fuel mix provides about 12,700 megawatts of owned electric capacity to approximately 1.6 million customers in a 32,000-square-mile service area of North Carolina and South Carolina. Jones-Onslow EMC is a member-owned electric cooperative committed to providing safe, reliable, and affordable electric service to the citizens of Jones, Onslow, Pender, Duplin, Craven, and Lenoir counties.


Onslow County has ten (10) Broadband/Telecommunications service providers for residential, commercial, industrial, and government customers. The County is served by two (2) cable providers – Spectrum and Charter Communications, one (1) DSL provider – CenturyLink, two (2) fiber optic providers – Century Link and MCNC, and six (6) mobile providers – AT&T MobileVerizon Wireless, Sprint DirectT MobileUS Cellular and Boost Mobile. Additionally, there are two (2) satellite mobile providers – HughesNet and ViaSat Communications. More information about Broadband services is available at

Natural Gas

Piedmont Natural Gas is an energy service company primarily engaged in the distribution of natural gas to more than one million residential, commercial, industrial and power-generation utility customers in portions of North Carolina, South Carolina and Tennessee, including customers served by municipalities that are whole sale customers. Its subsidiaries are invested in joint venture, energy-related businesses including unregulated retail natural gas marketing, regulated interstate natural gas transportation and storage, and regulated intrastate natural gas transportation businesses.