PlainWater

Wallace County, Kansas

SDWIS compliance plate

Sheet KS199 · Wallace County 3 sys · 340 viol · #3168/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 13.5% health
  • RANK-BOTTOM #3168/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 3 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Wallace County ranks #3,168 of 3,254 counties by people served, and #104 of 105 counties in Kansas. See methodology · corpus placement.

Wallace 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 13.5% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Wallace County . Population served ranks #3,168 of 3,254 · #104 of 105 in Kansas.

Flagged-rate neighbourhood around Wallace County

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

0% 20% 40% 60% 80% 100% Chase · lowest Greeley · highest Wyandotte · near Leavenworth · near 85.7% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Sharon Springs, City Of 744 51 -
Wallace Co RWD 1 245 228 -
Wallace, City Of 45 61 -

Compare beyond Kansas

Mid-flagged peers for Wallace County

Cross-state counties nearest Wallace County on flagged-system share (100.0%) and cumulative violation count (340). 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.