PlainWater

Lafayette County, Missouri

SDWIS compliance plate

Sheet MO107 · Lafayette County 15 sys · 864 viol · #1193/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 42.7% health
  • RANK-UPPER #1193/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 40.0% detect
  • SRC-GW GW lead 60%
  • SYS-SMALL 15 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Lafayette County ranks #1,193 of 3,254 counties by people served, and #25 of 115 counties in Missouri. See methodology · corpus placement.

Lafayette 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 42.7% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 40.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,193 of 3,254 · #25 of 115 in Missouri.

Flagged-rate neighbourhood around Lafayette County

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

0% 20% 40% 60% 80% 100% Shannon · lowest Mercer · highest Jackson · near Boone · near 69.6% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Lafayette County PWSD 1 8,250 8 Clean
Laf Jo Saline County Cons PWSD 2 7,180 78 Detected
Odessa PWS 5,202 108 Clean
Higginsville PWS 4,800 42 Detected
Lexington PWS 4,729 110 Clean
Concordia PWS 2,500 70 -
Wellington PWS 812 136 -
Waverly PWS 800 98 -
Alma PWS 494 42 -
Lake Lafayette PWS 327 2 -
Bates City PWS 225 4 -
Mayview PWS 211 27 -
Emma PWS 205 36 -
I 70 Mobile City MHP 155 61 -
Swan Lake Estates 115 42 -

Compare beyond Missouri

Mid-flagged peers for Lafayette County

Cross-state counties nearest Lafayette County on flagged-system share (100.0%) and cumulative violation count (864). 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.