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County profile · EPA SDWIS + UCMR5

Lincoln County, Idaho

4 SDWIS-listed public water systems serve 2,286 people in Lincoln County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

4
SDWIS water systems Smaller third of counties
391
Total violations Lower 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 ID063 · Lincoln County 4 sys · 391 viol · #3047/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 14.3% health
  • RANK-BOTTOM #3047/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 4 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, Lincoln County ranks #3,047 of 3,254 counties by people served, and #42 of 44 counties in Idaho. See methodology · corpus placement.

Lincoln 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 14.3% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Lincoln County . Population served ranks #3,047 of 3,254 · #42 of 44 in Idaho.

Flagged-rate neighbourhood around Lincoln County

Lowest/highest poles plus in-state counties nearest Lincoln 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

System Name Population Violations PFAS
Shoshone Water Works 1,398 11 -
Richfield City Of 501 54 -
Dietrich Water System 332 45 -
Sunset Mobile Home Park 55 281 -

Compare beyond Idaho

Mid-flagged peers for Lincoln County

Cross-state counties nearest Lincoln County on flagged-system share (100.0%) and cumulative violation count (391). 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.