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County profile · EPA SDWIS + UCMR5

Jerauld County, South Dakota

2 SDWIS-listed public water systems serve 1,107 people in Jerauld County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

2
SDWIS water systems Smaller third of counties
81
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 SD073 · Jerauld County 2 sys · 81 viol · #3161/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 22.2% health
  • RANK-BOTTOM #3161/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 50%
  • SYS-TINY 2 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Jerauld County ranks #3,161 of 3,254 counties by people served, and #53 of 65 counties in South Dakota. See methodology · corpus placement.

Jerauld 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 22.2% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Jerauld County . Population served ranks #3,161 of 3,254 · #53 of 65 in South Dakota.

Flagged-rate neighbourhood around Jerauld County

Lowest/highest poles plus in-state counties nearest Jerauld 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
Wessington Springs 895 16 -
Alpena 212 65 -

Compare beyond South Dakota

Mid-flagged peers for Jerauld County

Cross-state counties nearest Jerauld County on flagged-system share (100.0%) and cumulative violation count (81). In-state neighbours stay on the compliance plate above.

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.