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Counties → North Carolina

Orange County, North Carolina

SDWIS compliance plate

Sheet NC135 · Orange County 67 sys · 11,617 viol · #516/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 97.0% flagged
  • HEALTH-LOW 3.0% health
  • RANK-TOP #516/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 66.7% detect
  • SRC-GW GW lead 96%
  • SYS-MID 67 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Cabarrus County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Orange County ranks #516 of 3,254 counties by people served, and #24 of 100 counties in North Carolina. See methodology · corpus placement.

Orange County standing, mid-flagged corpus third

Flagged-system rate 97.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 3.0% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 66.7% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #516 of 3,254 · #24 of 100 in North Carolina.

Flagged-rate neighbourhood around Orange County

Lowest/highest poles plus in-state counties nearest Orange County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Gates · lowest Orange · this county Vance · near Tyrrell · highest 50% 96.9% 97% 97.1% 97.1% 97.1% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Orange Water & Sewer Authority 86,300 9 Detected
Hillsborough, Town Of 14,006 229 Clean
Orange-Alamance Water System 9,223 484 Detected
Ebenezer Baptist Church 800 126 -
Stoneridge Master 675 27 -
Carolina Friends School 566 134 -
Emerson Waldorf Sch-Grade Sch 335 381 -
Ridgewood MHP 330 955 -
Birchwood MHP 312 514 -
Camp Chestnut Ridge 300 6 -
Lattisville Grove Missionary Baptist 250 218 -
New Horizon Church 250 0 -
Robin`s Wood 246 30 -
Maple Ridge MHP 216 129 -
Northwood S/D 208 385 -
The Trails S/D 200 889 -
New American Convenience Store 200 430 -
Bingham Woods MHP 190 187 -
Whispering Pines 183 28 -
Five Forks Bapt Church 165 35 -
Ebenezer North Baptist Church 155 97 -
Central Baptist Church 150 167 -
Orange MHP 144 83 -
Hill Top MHP 139 113 -
Sunrise Church 125 325 -
Mt Moriah Baptist Church 120 82 -
Berry`s Grove Baptist Church 120 56 -
Lee Chapel Baptist Church 120 45 -
Wildcat Creek S/D 114 22 -
Orange Chapel UMC 110 81 -
Lebanon UMC 100 52 -
Terrells Creek Baptist Church 100 270 -
Union Grove UMC 100 261 -
Little River Recreational Park 100 70 -
Arbor Hill MHP 96 610 -
Euglena Junction 96 377 -
Stonegate MHP S/D 96 229 -
Heartwood S/D 94 16 -
Wood`s MHP 89 140 -
Hillsborough Ucc 84 63 -
Kingdom Hall of Jehovah`s Witn 80 86 -
Camp New Hope 77 68 -
Fiesta Grill 75 65 -
South Grove Subdivision 75 9 -
Spring Hill RV Park 67 50 -
Riley`s MHP 65 171 -
Oak Grove MHP 64 332 -
Paws4ever 60 24 -
Cedar Grove Blueberry Farm 60 17 -
Sturbridge Village 53 10 -

Compare beyond North Carolina

Mid-flagged peers for Orange County

Cross-state counties nearest Orange County on flagged-system share (97.0%) and cumulative violation count (11,617). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.