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Orange County, North Carolina — public water systems

At a glance

67 active public water systems are filed under Orange County, North Carolina in EPA's SDWIS records, together reporting 118,767 people served. The largest is Orange Water & Sewer Authority, which reports serving 86,500 people. 29 are community water systems serving people where they live; the other 38 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

67

Population served

118.8K

Community systems

29

Groundwater share

95.5%

How does Orange County compare with other North Carolina counties?

Orange County has the 25th-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 118,767 people served in total, the 24th-largest county figure in the state and 1.2% of the statewide total. The average system here reports serving 1,773 people, about 10% 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 Orange County's drinking water come from?

By primary water source, Orange County's active systems draw on groundwater (64, 96%) and surface water (3, 4.5%). Overall, 96% rely mainly on groundwater (including purchased groundwater) and 4.5% 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, Orange Water & Sewer Authority, draws primarily on surface water.

What kinds of water systems operate in Orange County?

Orange County's active systems break down as 29 community systems (43%), 5 non-transient non-community systems (7.5%) and 33 transient non-community systems (49%). 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 (91%) and local government (9%).

The 50 largest water systems in Orange County

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Active public water systems in Orange County, North Carolina
#Water systemCountyPopulation servedTypeSource
1Orange Water & Sewer AuthorityOrange86,500CommunitySurface water
2Hillsborough, Town ofOrange14,006CommunitySurface water
3Orange-Alamance Water SystemOrange9,223CommunitySurface water
4Ebenezer Baptist ChurchOrange800Transient non-communityGroundwater
5Stoneridge MasterOrange681CommunityGroundwater
6Carolina Friends SchoolOrange566Non-transient non-communityGroundwater
7Emerson Waldorf Sch-Grade SchOrange335Non-transient non-communityGroundwater
8Ridgewood MHPOrange330CommunityGroundwater
9Birchwood MHPOrange312CommunityGroundwater
10Camp Chestnut RidgeOrange300Transient non-communityGroundwater
11New Horizon ChurchOrange250Transient non-communityGroundwater
12Lattisville Grove Missionary BaptistOrange250Transient non-communityGroundwater
13Robin`S WoodOrange246CommunityGroundwater
14Maple Ridge MHPOrange216CommunityGroundwater
15Northwood S/DOrange208CommunityGroundwater
16New American Convenience StoreOrange200Transient non-communityGroundwater
17The Trails S/DOrange200CommunityGroundwater
18Bingham Woods MHPOrange190CommunityGroundwater
19Whispering PinesOrange183CommunityGroundwater
20Five Forks Bapt ChurchOrange165Transient non-communityGroundwater
21Ebenezer North Baptist ChurchOrange155Non-transient non-communityGroundwater
22Central Baptist ChurchOrange150Transient non-communityGroundwater
23Orange MHPOrange144CommunityGroundwater
24Hill Top MHPOrange139CommunityGroundwater
25Sunrise ChurchOrange125Transient non-communityGroundwater
26Mt Moriah Baptist ChurchOrange120Transient non-communityGroundwater
27Lee Chapel Baptist ChurchOrange120Transient non-communityGroundwater
28Berry`S Grove Baptist ChurchOrange120Transient non-communityGroundwater
29Wildcat Creek S/DOrange114CommunityGroundwater
30Orange Chapel UmcOrange110Transient non-communityGroundwater
31Terrells Creek Baptist ChurchOrange100Transient non-communityGroundwater
32Lebanon UmcOrange100Transient non-communityGroundwater
33Union Grove UmcOrange100Transient non-communityGroundwater
34Little River Recreational ParkOrange100Transient non-communityGroundwater
35Euglena JunctionOrange96CommunityGroundwater
36Stonegate MHP S/DOrange96CommunityGroundwater
37Arbor Hill MHPOrange96CommunityGroundwater
38Heartwood S/DOrange94CommunityGroundwater
39Wood`S MHPOrange89CommunityGroundwater
40Hillsborough UccOrange84Non-transient non-communityGroundwater
41Kingdom Hall of Jehovah`S WitnOrange80Transient non-communityGroundwater
42Camp New HopeOrange77Transient non-communityGroundwater
43South Grove SubdivisionOrange75CommunityGroundwater
44Fiesta GrillOrange75Transient non-communityGroundwater
45Spring Hill Rv ParkOrange67Transient non-communityGroundwater
46Riley`S MHPOrange65CommunityGroundwater
47Oak Grove MHPOrange64CommunityGroundwater
48Cedar Grove Blueberry FarmOrange60Transient non-communityGroundwater
49Paws4everOrange60Transient non-communityGroundwater
50Sturbridge VillageOrange53CommunityGroundwater

All other water systems in Orange County (17)

The remaining active systems filed under Orange County, largest first, with the population each reports serving.

Orange County water systems: frequently asked questions

How many public water systems are in Orange County, North Carolina?

EPA's SDWIS records file 67 active public water systems under Orange County, North Carolina: 29 community systems (43%), 5 non-transient non-community systems (7.5%) and 33 transient non-community systems (49%).

Who supplies drinking water in Orange County, NC?

The largest community water systems filed under Orange County are Orange Water & Sewer Authority (86,500 people served), Town of Hillsborough (14,006 people served) and Orange-Alamance Water System (9,223 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 Orange County's drinking water come from groundwater or surface water?

Of the 67 active public water systems in Orange County, 96% draw mainly on groundwater and 4.5% on surface water, counting purchased supplies. The largest system, Orange Water & Sewer Authority, uses surface water.

Where can I find a water quality report for Orange 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. 29 community systems are filed under Orange 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 Orange 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 Orange County, North Carolina”, https://aquacensus.com/water-systems/north-carolina/orange (data as of October 1, 2026).