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County profile · EPA SDWIS + UCMR5

Orange County, Virginia

20 SDWIS-listed public water systems serve 24,521 people in Orange County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

20
SDWIS water systems Middle third of counties
1,390
Total violations Middle third of counties
90.0%
SDWIS systems w/ a violation Lower third of counties
0.0%
UCMR5 PFAS rate (2 tested) Lower third of counties with tests

SDWIS compliance plate

Sheet VA137 · Orange County 20 sys · 1,390 viol · #1582/3254

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

  • VIOL-SEVERE 90.0% flagged
  • HEALTH-LOW 16.7% health
  • RANK-MID #1582/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 80%
  • SYS-SMALL 20 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Orange County ranks #1,582 of 3,254 counties by people served, and #33 of 95 counties in Virginia. See methodology · corpus placement.

Orange County standing, lower-flagged corpus third

Flagged-system rate 90.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 16.7% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,582 of 3,254 · #33 of 95 in Virginia.

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% Prince Edward · lowest Accomack · near Louisa · near Highland · highest 44.4% 89.3% 89.8% 90% 90% 90.5% 100%

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

Water Systems

Compare beyond Virginia

Lower-flagged peers for Orange County

Cross-state counties nearest Orange County on flagged-system share (90.0%) and cumulative violation count (1,390). 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
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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.