PlainWater

Marion County, Tennessee

SDWIS compliance plate

Sheet TN115 · Marion County 10 sys · 842 viol · #1428/3254

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

  • VIOL-SEVERE 90.0% flagged
  • HEALTH-MID 39.2% health
  • RANK-MID #1428/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 33.3% detect
  • SRC-SW SW lead 80%
  • SYS-SMALL 10 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Marion County ranks #1,428 of 3,254 counties by people served, and #54 of 95 counties in Tennessee. See methodology · corpus placement.

Marion County standing, lower-flagged corpus third

Flagged-system rate 90.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 39.2% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #1,428 of 3,254 · #54 of 95 in Tennessee.

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% Haywood · lowest Hickman · near Hamilton · near Hancock · highest 40% 90% 90% 90.5% 90.9% 90.9% 100%

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

Water Systems

Compare beyond Tennessee

Lower-flagged peers for Marion County

Cross-state counties nearest Marion County on flagged-system share (90.0%) and cumulative violation count (842). 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.