PlainWater

Callaway County, Missouri

SDWIS compliance plate

Sheet MO027 · Callaway County 15 sys · 568 viol · #1105/3254

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

  • VIOL-SEVERE 93.3% flagged
  • HEALTH-MID 24.8% health
  • RANK-UPPER #1105/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 15 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Callaway County ranks #1,105 of 3,254 counties by people served, and #24 of 115 counties in Missouri. See methodology · corpus placement.

Callaway County standing, mid-flagged corpus third

Flagged-system rate 93.3% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 24.8% 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 #1,105 of 3,254 · #24 of 115 in Missouri.

Flagged-rate neighbourhood around Callaway County

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

0% 20% 40% 60% 80% 100% Shannon · lowest Callaway · this county Perry · near Mercer · highest 69.6% 93% 93.3% 93.3% 93.3% 93.8% 100%

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

Water Systems

System Name Population Violations PFAS
Callaway 2 Water District 13,080 42 Clean
Fulton PWS 12,600 24 Clean
Callaway County PWSD 1 9,840 6 Clean
South Callaway County R II Schools 1,100 14 -
Auxvasse PWS 1,001 23 -
Ameren Missouri Callaway Energy Center 750 10 -
New Bloomfield PWS 669 28 -
Seges MHP 285 36 -
Winterwood Estates 250 0 -
Mokane PWS 208 170 -
Kingdom City PWS 128 34 -
MO American Jefferson City North 95 4 -
Wildwood Lot Owners Assn 78 39 -
Hatton Hills MHP 70 30 -
Hanson Hills 40 108 -

Compare beyond Missouri

Mid-flagged peers for Callaway County

Cross-state counties nearest Callaway County on flagged-system share (93.3%) and cumulative violation count (568). 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.