PlainWater

Marion County, West Virginia

SDWIS compliance plate

Sheet WV049 · Marion County 27 sys · 3,788 viol · #871/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 11.2% health
  • RANK-UPPER #871/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 100%
  • SYS-SMALL 27 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, Marion County ranks #871 of 3,254 counties by people served, and #8 of 55 counties in West Virginia. See methodology · corpus placement.

Marion 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 11.2% 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 #871 of 3,254 · #8 of 55 in West Virginia.

Flagged-rate neighbourhood around Marion County

Lowest/highest poles plus in-state counties nearest Marion 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
Fairmont City Of 30,586 38 Clean
Valley Falls Psd 4,042 142 Clean
Monongah Town Of 3,226 80 -
Little Creek Psd 2,136 41 -
Monumental Psd 1,965 57 -
Mannington City Of 1,946 99 -
Tri-County Water Assoc - Fairmont 1,880 146 -
Rivesville Town Of 1,267 91 -
Paw Paw Route 19 Psd 1,257 200 -
Bingamon Psd 1,179 132 -
Ices Run Psd 1,159 50 -
Downs Psd 1,024 67 -
Fairview Town Of 958 225 -
Mannington Psd 955 73 Clean
Farmington Town Of 699 137 -
Worthington Town Of 598 188 -
Grant Town, Town Of 506 101 -
Four States Psd 406 314 -
Hutchinson Community Water Assoc 353 272 -
Ministers Run Water Assoc 339 183 -
Mannington Psd - Logansport 293 54 -
Mannington Psd - Metz 221 47 -
Sugar Lane Water Assoc 204 381 -
Rayford Acres 194 22 -
Fair Oaks Subdivision 178 328 -
Monumental Psd - Chesapeake 96 112 -
Sunny View Acres Water Project 69 208 -

Compare beyond West Virginia

Mid-flagged peers for Marion County

Cross-state counties nearest Marion County on flagged-system share (100.0%) and cumulative violation count (3,788). 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.