PlainWater

Sullivan County, Missouri

SDWIS compliance plate

Sheet MO211 · Sullivan County 8 sys · 160 viol · #2471/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 25.0% health
  • RANK-LOWER #2471/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 100%
  • SYS-TINY 8 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, Sullivan County ranks #2,471 of 3,254 counties by people served, and #80 of 115 counties in Missouri. See methodology · corpus placement.

Sullivan 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 25.0% 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 #2,471 of 3,254 · #80 of 115 in Missouri.

Flagged-rate neighbourhood around Sullivan County

Lowest/highest poles plus in-state counties nearest Sullivan 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
Sullivan County PWSD 1 4,412 2 Clean
Milan PWS 1,819 14 -
Smithfield Fresh Meats Corp 1,200 13 -
Green City PWS 657 47 -
Green Castle PWS 212 39 -
Newtown PWS 183 32 -
Humphreys PWS 98 10 -
North Central MO Regional Water Com 25 3 -

Compare beyond Missouri

Mid-flagged peers for Sullivan County

Cross-state counties nearest Sullivan County on flagged-system share (100.0%) and cumulative violation count (160). 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.