PlainWater

Sumner County, Tennessee

SDWIS compliance plate

Sheet TN165 · Sumner County 6 sys · 326 viol · #234/3254

VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-CLEAN · SRC-SW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 42.0% health
  • RANK-TOP #234/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 100%
  • SYS-TINY 6 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Sumner County ranks #234 of 3,254 counties by people served, and #7 of 95 counties in Tennessee. See methodology · corpus placement.

Sumner 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 42.0% is health-based share above the upper 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 #234 of 3,254 · #7 of 95 in Tennessee.

Flagged-rate neighbourhood around Sumner County

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

0% 20% 40% 60% 80% 100% Haywood · lowest Hancock · highest Knox · near Montgomery · near 40% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
White House Utility District 130,411 18 Clean
Gallatin Water Department 65,964 5 Clean
Hendersonville U.d. 59,034 79 Clean
Portland Water System 23,509 111 Clean
Castalian Springs-Bethpage U.d. 14,184 87 Clean
Westmoreland Water System 5,873 26 Clean

Compare beyond Tennessee

Mid-flagged peers for Sumner County

Cross-state counties nearest Sumner County on flagged-system share (100.0%) and cumulative violation count (326). 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.