PlainWater

Charles Mix County, South Dakota

SDWIS compliance plate

Sheet SD023 · Charles Mix County 6 sys · 378 viol · #2350/3254

VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-SW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 13.2% health
  • RANK-LOWER #2350/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 83%
  • SYS-TINY 6 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Charles Mix County ranks #2,350 of 3,254 counties by people served, and #18 of 65 counties in South Dakota. See methodology · corpus placement.

Charles Mix 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 13.2% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,350 of 3,254 · #18 of 65 in South Dakota.

Flagged-rate neighbourhood around Charles Mix County

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

0% 20% 40% 60% 80% 100% Shannon · lowest Buffalo · highest Lincoln · near Codington · near 50% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Randall Community Water District 6,248 15 Clean
Wagner 1,490 19 -
Platte 1,256 29 -
Lake Andes 710 52 -
Pickstown 230 21 -
Lakeview Colony 118 242 -

Compare beyond South Dakota

Mid-flagged peers for Charles Mix County

Cross-state counties nearest Charles Mix County on flagged-system share (100.0%) and cumulative violation count (378). 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.