PlainWater

Marion County, Mississippi

SDWIS compliance plate

Sheet MS091 · Marion County 11 sys · 5,168 viol · #1652/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 1.2% health
  • RANK-MID #1652/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 11 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Marion County ranks #1,652 of 3,254 counties by people served, and #44 of 82 counties in Mississippi. 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 1.2% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,652 of 3,254 · #44 of 82 in Mississippi.

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% Hinds · lowest Issaquena · highest Rankin · near Forrest · near 75.9% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
City of Columbia 5,900 268 Clean
Hub Water Association 3,260 1,107 Clean
Bunker Hill Water Association 2,700 497 -
Mt Gilead-Improve Water Assn 2,416 299 Clean
Kokomo-Shiloh Water Assn. 2,344 273 -
Lampton Water Association 1,983 285 Clean
Highway 98 East Water Assn. 1,632 825 -
West Marion Water Association 1,571 549 -
Foxworth Water & Sewerage Assn 710 544 -
Community Water Association 320 311 -
Morgantown Water Association 224 210 -

Compare beyond Mississippi

Mid-flagged peers for Marion County

Cross-state counties nearest Marion County on flagged-system share (100.0%) and cumulative violation count (5,168). 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.