PlainWater

Jerome County, Idaho

SDWIS compliance plate

Sheet ID053 · Jerome County 24 sys · 1,336 viol · #1874/3254

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

  • VIOL-SEVERE 95.8% flagged
  • HEALTH-LOW 7.7% health
  • RANK-MID #1874/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 24 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Nez Perce County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Jerome County ranks #1,874 of 3,254 counties by people served, and #17 of 44 counties in Idaho. See methodology · corpus placement.

Jerome County standing, mid-flagged corpus third

Flagged-system rate 95.8% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 7.7% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,874 of 3,254 · #17 of 44 in Idaho.

Flagged-rate neighbourhood around Jerome County

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

0% 20% 40% 60% 80% 100% Valley · lowest Blaine · near Nez Perce · near Camas · highest 89.5% 95.6% 95.7% 95.8% 96% 96% 100%

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

Water Systems

Compare beyond Idaho

Mid-flagged peers for Jerome County

Cross-state counties nearest Jerome County on flagged-system share (95.8%) and cumulative violation count (1,336). 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.