PlainWater

Atchison County, Kansas

SDWIS compliance plate

Sheet KS005 · Atchison County 8 sys · 972 viol · #1934/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 23.0% health
  • RANK-MID #1934/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 75%
  • SYS-TINY 8 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Atchison County ranks #1,934 of 3,254 counties by people served, and #32 of 105 counties in Kansas. See methodology · corpus placement.

Atchison 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 23.0% is health-based share in the middle 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 #1,934 of 3,254 · #32 of 105 in Kansas.

Flagged-rate neighbourhood around Atchison County

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

0% 20% 40% 60% 80% 100% Chase · lowest Greeley · highest Wyandotte · near Leavenworth · near 85.7% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Atchison, City Of 10,694 216 Clean
Atchison Co RWD 5C 3,690 46 Clean
Atchison Co RWD 6 670 147 -
Effingham, City Of 500 65 -
Atchison Co RWD 1 490 108 -
Lancaster, City Of 248 41 -
Muscotah, City Of 158 169 -
Atchison Co RWD 3 110 180 -

Compare beyond Kansas

Mid-flagged peers for Atchison County

Cross-state counties nearest Atchison County on flagged-system share (100.0%) and cumulative violation count (972). 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.