PlainWater

Iron County, Missouri

SDWIS compliance plate

Sheet MO093 · Iron County 23 sys · 1,154 viol · #2649/3254

VIOL-SEVERE · HEALTH-MID · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST

  • VIOL-SEVERE 95.7% flagged
  • HEALTH-MID 23.5% health
  • RANK-BOTTOM #2649/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 96%
  • SYS-SMALL 23 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: St. Louis County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Iron County ranks #2,649 of 3,254 counties by people served, and #91 of 115 counties in Missouri. See methodology · corpus placement.

Iron County standing, mid-flagged corpus third

Flagged-system rate 95.7% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 23.5% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Iron County . Population served ranks #2,649 of 3,254 · #91 of 115 in Missouri.

Flagged-rate neighbourhood around Iron County

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

0% 20% 40% 60% 80% 100% Shannon · lowest Montgomery · near St. Louis · near Mercer · highest 69.6% 95.5% 95.5% 95.7% 95.7% 95.7% 100%

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

Water Systems

Compare beyond Missouri

Mid-flagged peers for Iron County

Cross-state counties nearest Iron County on flagged-system share (95.7%) and cumulative violation count (1,154). 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.