PlainWater

Des Moines County, Iowa

SDWIS compliance plate

Sheet IA057 · Des Moines County 11 sys · 768 viol · #1055/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 42.7% health
  • RANK-UPPER #1055/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 100.0% detect
  • SRC-SW SW lead 73%
  • SYS-SMALL 11 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Des Moines County ranks #1,055 of 3,254 counties by people served, and #13 of 99 counties in Iowa. See methodology · corpus placement.

Des Moines 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 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,055 of 3,254 · #13 of 99 in Iowa.

Flagged-rate neighbourhood around Des Moines County

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

0% 20% 40% 60% 80% 100% Mahaska · lowest Ringgold · highest Decatur · near Muscatine · near 75% 100% 100% 100% 100% 100% 100%

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

Water Systems

Compare beyond Iowa

Mid-flagged peers for Des Moines County

Cross-state counties nearest Des Moines County on flagged-system share (100.0%) and cumulative violation count (768). 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.