PlainWater

County profile · EPA SDWIS + UCMR5

Teton County, Idaho

26 SDWIS-listed public water systems serve 7,429 people in Teton County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

26
SDWIS water systems Middle third of counties
1,597
Total violations Middle third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
-
UCMR5 PFAS (none tested) No UCMR5 tests

SDWIS compliance plate

Sheet ID081 · Teton County 26 sys · 1,597 viol · #2572/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 6.3% health
  • RANK-LOWER #2572/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-SMALL 26 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Teton County ranks #2,572 of 3,254 counties by people served, and #28 of 44 counties in Idaho. See methodology · corpus placement.

Teton 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 6.3% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Teton County . Population served ranks #2,572 of 3,254 · #28 of 44 in Idaho.

Flagged-rate neighbourhood around Teton County

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

0% 20% 40% 60% 80% 100% Valley · lowest Camas · highest Bingham · near Minidoka · near 89.5% 100% 100% 100% 100% 100% 100%

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

Water Systems

Compare beyond Idaho

Mid-flagged peers for Teton County

Cross-state counties nearest Teton County on flagged-system share (100.0%) and cumulative violation count (1,597). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.