County profile · EPA SDWIS + UCMR5
Lewis County, Missouri
5 SDWIS-listed public water systems serve 7,002 people in Lewis County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 5
- SDWIS water systems Smaller third of counties
- 150
- 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 MO111 · Lewis County 5 sys · 150 viol · #2616/3254
VIOL-SEVERE · HEALTH-MID · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-SW · SYS-TINY · BOOK-MOST
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 36.7% health
- RANK-BOTTOM #2616/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-SW SW lead 60%
- SYS-TINY 5 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Cass County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Lewis County ranks #2,616 of 3,254 counties by people served, and #88 of 115 counties in Missouri. 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 36.7% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Lewis County . Population served ranks #2,616 of 3,254 · #88 of 115 in Missouri.
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 |
|---|---|---|---|
| Canton PWS | 3,200 | 41 | - |
| Lewis County PWSD 1 | 1,688 | 8 | - |
| Lagrange PWS | 874 | 55 | - |
| La Belle PWS | 660 | 34 | - |
| Lewistown PWS | 580 | 12 | - |
Compare beyond Missouri
Mid-flagged peers for Lewis County
Cross-state counties nearest Lewis County on flagged-system share (100.0%) and cumulative violation count (150). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.