PlainWater

Calhoun County, West Virginia

SDWIS compliance plate

Sheet WV013 · Calhoun County 3 sys · 1,486 viol · #2932/3254

VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-SW · SYS-TINY · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 10.0% health
  • RANK-BOTTOM #2932/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 100%
  • SYS-TINY 3 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Calhoun County ranks #2,932 of 3,254 counties by people served, and #51 of 55 counties in West Virginia. See methodology · corpus placement.

Calhoun 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 10.0% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Calhoun County . Population served ranks #2,932 of 3,254 · #51 of 55 in West Virginia.

Flagged-rate neighbourhood around Calhoun County

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

0% 20% 40% 60% 80% 100% Mercer · lowest Boone · highest Cabell · near Monongalia · near 92.3% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Pleasant Hill P S D Rt 16 District 1,868 420 -
Mount Zion P S D 1,113 951 -
Grantsville Municipal 596 115 -

Compare beyond West Virginia

Mid-flagged peers for Calhoun County

Cross-state counties nearest Calhoun County on flagged-system share (100.0%) and cumulative violation count (1,486). 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.