PlainWater

Madison County, North Carolina

SDWIS compliance plate

Sheet NC115 · Madison County 42 sys · 3,104 viol · #2265/3254

VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-MID · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 8.0% health
  • RANK-LOWER #2265/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 98%
  • SYS-MID 42 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Madison County ranks #2,265 of 3,254 counties by people served, and #87 of 100 counties in North Carolina. See methodology · corpus placement.

Madison County standing, mid-flagged corpus third

Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 8.0% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Madison County . Population served ranks #2,265 of 3,254 · #87 of 100 in North Carolina.

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% Gates · lowest Tyrrell · highest Union · near Harnett · near 50% 100% 100% 100% 100% 100% 100%

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

Water Systems

Compare beyond North Carolina

Mid-flagged peers for Madison County

Cross-state counties nearest Madison County on flagged-system share (100.0%) and cumulative violation count (3,104). 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.