Lewis County, Idaho
SDWIS compliance plate
Sheet ID061 · Lewis County 6 sys · 637 viol · #2982/3254
VIOL-SEVERE · HEALTH-MID · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-TINY · BOOK-MOST
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 28.4% health
- RANK-BOTTOM #2982/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 83%
- SYS-TINY 6 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, Lewis County ranks #2,982 of 3,254 counties by people served, and #41 of 44 counties in Idaho. See methodology · corpus placement.
Lewis 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 28.4% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Lewis County . Population served ranks #2,982 of 3,254 · #41 of 44 in Idaho.
Flagged-rate neighbourhood around Lewis County
Lowest/highest poles plus in-state counties nearest Lewis County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Kamiah City Of | 1,495 | 273 | - |
| Craigmont City Of | 501 | 71 | - |
| Nezperce Water Dept | 460 | 54 | - |
| Winchester Water Dept | 400 | 90 | - |
| Reubens City Of | 70 | 85 | - |
| Lawyers Creek Water Dist | 50 | 64 | - |
Compare beyond Idaho
Mid-flagged peers for Lewis County
Cross-state counties nearest Lewis County on flagged-system share (100.0%) and cumulative violation count (637). 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.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
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.