PlainWater

Mason County, West Virginia

SDWIS compliance plate

Sheet WV053 · Mason County 12 sys · 2,722 viol · #1594/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 1.2% health
  • RANK-MID #1594/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 12 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Mason County ranks #1,594 of 3,254 counties by people served, and #22 of 55 counties in West Virginia. See methodology · corpus placement.

Mason 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 1.2% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #1,594 of 3,254 · #22 of 55 in West Virginia.

Flagged-rate neighbourhood around Mason County

Lowest/highest poles plus in-state counties nearest Mason 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
Point Pleasant Water Works 5,146 608 Detected
Mason Co Psd-Lakin Dist 4,296 64 Clean
Mason Co Psd - Ashton 3,768 53 -
Mason Co Psd-Letart 3,303 87 -
Mason Co Psd-Crab Creek 2,039 41 Clean
Mason Water Dept 1,679 493 -
New Haven Water Dept 1,649 387 -
Gallipolis Ferry 1,056 67 -
Hartford Town Of 745 519 -
Mason County Psd-Camp Conley 497 25 -
Mason Co Psd-Foglesong Dist 156 9 -
Kanawha River Campground 25 369 -

Compare beyond West Virginia

Mid-flagged peers for Mason County

Cross-state counties nearest Mason County on flagged-system share (100.0%) and cumulative violation count (2,722). 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.