PlainWater

Wapello County, Iowa

SDWIS compliance plate

Sheet IA179 · Wapello County 5 sys · 214 viol · #1452/3254

VIOL-SEVERE · HEALTH-MID · RANK-MID · BELOW-PEER · PFAS-CLEAN · SRC-SW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 80.0% flagged
  • HEALTH-MID 25.2% health
  • RANK-MID #1452/3254
  • BELOW-PEER 1.3 pp cleaner
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 60%
  • SYS-TINY 5 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Allamakee County (+ 1.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Wapello County ranks #1,452 of 3,254 counties by people served, and #24 of 99 counties in Iowa. See methodology · corpus placement.

Wapello County standing, lower-flagged corpus third

Flagged-system rate 80.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 25.2% 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 #1,452 of 3,254 · #24 of 99 in Iowa.

Flagged-rate neighbourhood around Wapello County

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

0% 20% 40% 60% 80% 100% Mahaska · lowest Woodbury · near Wapello · this county Ringgold · highest 75% 76.3% 78.1% 78.6% 80% 81.3% 100%

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

Water Systems

System Name Population Violations PFAS
Ottumwa Water Works 25,529 79 Clean
Eldon Water Supply 927 106 -
Agency Water Works 620 6 -
Blakesburg Municipal Water Works 305 23 -
Leisure Living Manf Home Community 150 0 -

Compare beyond Iowa

Lower-flagged peers for Wapello County

Cross-state counties nearest Wapello County on flagged-system share (80.0%) and cumulative violation count (214). 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.