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County profile · EPA SDWIS + UCMR5

Boone County, Arkansas

17 SDWIS-listed public water systems serve 25,879 people in Boone County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

17
SDWIS water systems Middle third of counties
688
Total violations Lower third of counties
88.2%
SDWIS systems w/ a violation Lower third of counties
0.0%
UCMR5 PFAS rate (1 tested) Lower third of counties with tests

SDWIS compliance plate

Sheet AR009 · Boone County 17 sys · 688 viol · #1518/3254

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

  • VIOL-SEVERE 88.2% flagged
  • HEALTH-MID 32.4% health
  • RANK-MID #1518/3254
  • PHOTO-FINISH ±0.7 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 53%
  • SYS-SMALL 17 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Hot Spring County (+ 0.7 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Boone County ranks #1,518 of 3,254 counties by people served, and #27 of 75 counties in Arkansas. See methodology · corpus placement.

Boone County standing, lower-flagged corpus third

Flagged-system rate 88.2% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 32.4% is health-based share above the upper 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 #1,518 of 3,254 · #27 of 75 in Arkansas.

Flagged-rate neighbourhood around Boone County

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

0% 20% 40% 60% 80% 100% Pulaski · lowest Hot Spring · near Benton · near Madison · highest 74.2% 88.2% 88.9% 88.9% 89.7% 90% 100%

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

Water Systems

Compare beyond Arkansas

Lower-flagged peers for Boone County

Cross-state counties nearest Boone County on flagged-system share (88.2%) and cumulative violation count (688). 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.