PlainWater

Jasper County, Iowa

SDWIS compliance plate

Sheet IA099 · Jasper County 11 sys · 526 viol · #1505/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 16.3% health
  • RANK-MID #1505/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • 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, Jasper County ranks #1,505 of 3,254 counties by people served, and #25 of 99 counties in Iowa. See methodology · corpus placement.

Jasper 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 16.3% is health-based share in the middle 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 #1,505 of 3,254 · #25 of 99 in Iowa.

Flagged-rate neighbourhood around Jasper County

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

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

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

Water Systems

System Name Population Violations PFAS
Newton Water Supply 16,518 34 Clean
Colfax Water Supply 2,305 60 -
Monroe Water Supply 2,007 28 -
Prairie City Water Works 1,703 48 -
Baxter Water Supply 1,002 32 -
Sully Muni Water Works 881 82 -
Kellogg Water Supply 617 42 -
Lynnville Water Dept 380 28 -
Sunrise Terrace Mhc 330 14 -
Mingo Water Department 316 81 -
Christian Conference Center 146 77 -

Compare beyond Iowa

Mid-flagged peers for Jasper County

Cross-state counties nearest Jasper County on flagged-system share (100.0%) and cumulative violation count (526). 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.