PlainWater

Madison County, Virginia

SDWIS compliance plate

Sheet VA113 · Madison County 28 sys · 2,063 viol · #2876/3254

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

  • VIOL-SEVERE 96.4% flagged
  • HEALTH-LOW 17.1% health
  • RANK-BOTTOM #2876/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 96%
  • SYS-SMALL 28 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Carroll County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Madison County ranks #2,876 of 3,254 counties by people served, and #84 of 95 counties in Virginia. See methodology · corpus placement.

Madison County standing, mid-flagged corpus third

Flagged-system rate 96.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 17.1% 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 #2,876 of 3,254 · #84 of 95 in Virginia.

Flagged-rate neighbourhood around Madison County

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

0% 20% 40% 60% 80% 100% Prince Edward · lowest Madison · this county Southampton · near Highland · highest 44.4% 96.2% 96.4% 96.7% 97.2% 97.3% 100%

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

Water Systems

Compare beyond Virginia

Mid-flagged peers for Madison County

Cross-state counties nearest Madison County on flagged-system share (96.4%) and cumulative violation count (2,063). 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. 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.