PlainWater

Pulaski County, Illinois

SDWIS compliance plate

Sheet IL153 · Pulaski County 7 sys · 484 viol · #2958/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 4.5% health
  • RANK-BOTTOM #2958/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-TINY 7 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Pulaski County ranks #2,958 of 3,254 counties by people served, and #102 of 102 counties in Illinois. See methodology · corpus placement.

Pulaski 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 4.5% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Pulaski County . Population served ranks #2,958 of 3,254 · #102 of 102 in Illinois.

Flagged-rate neighbourhood around Pulaski County

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

0% 20% 40% 60% 80% 100% Sangamon · lowest Bond · near 58.8% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Mounds 1,135 133 -
Mound City 526 86 -
Ullin 496 63 -
Olmsted 435 78 -
Karnak 432 45 -
Pulaski 259 55 -
Cache River State Natural Area 25 24 -

Compare beyond Illinois

Mid-flagged peers for Pulaski County

Cross-state counties nearest Pulaski County on flagged-system share (100.0%) and cumulative violation count (484). 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.