PlainWater

Trigg County, Kentucky

SDWIS compliance plate

Sheet KY221 · Trigg County 11 sys · 992 viol · #1733/3254

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

  • VIOL-SEVERE 90.9% flagged
  • HEALTH-LOW 1.1% health
  • RANK-MID #1733/3254
  • PHOTO-FINISH ±0.9 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 82%
  • SYS-SMALL 11 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Calloway County ( -0.9 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Trigg County ranks #1,733 of 3,254 counties by people served, and #66 of 118 counties in Kentucky. See methodology · corpus placement.

Trigg County standing, lower-flagged corpus third

Flagged-system rate 90.9% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 1.1% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,733 of 3,254 · #66 of 118 in Kentucky.

Flagged-rate neighbourhood around Trigg County

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

0% 20% 40% 60% 80% 100% Ballard · lowest Trigg · this county Jefferson · near 83.3% 90% 90.9% 100% 100% 100%

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

Water Systems

Compare beyond Kentucky

Lower-flagged peers for Trigg County

Cross-state counties nearest Trigg County on flagged-system share (90.9%) and cumulative violation count (992). 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.