PlainWater

Stark County, Illinois

SDWIS compliance plate

Sheet IL175 · Stark County 10 sys · 2,058 viol · #2926/3254

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

  • VIOL-SEVERE 80.0% flagged
  • HEALTH-LOW 19.0% health
  • RANK-BOTTOM #2926/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-SMALL 10 systems
  • BOOK-MOST 6/7 fields

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

According to EPA SDWIS county population served used on /counties, Stark County ranks #2,926 of 3,254 counties by people served, and #101 of 102 counties in Illinois. See methodology · corpus placement.

Stark County standing, lower-flagged corpus third

Flagged-system rate 80.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 19.0% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Stark County . Population served ranks #2,926 of 3,254 · #101 of 102 in Illinois.

Flagged-rate neighbourhood around Stark County

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

0% 20% 40% 60% 80% 100% Sangamon · lowest Stark · this county Moultrie · near Pulaski · highest 58.8% 79.3% 80% 80% 80% 81.1% 100%

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

Water Systems

System Name Population Violations PFAS
Wyoming 1,300 141 -
Toulon 1,193 428 -
Bradford 676 213 -
Lafayette 250 817 -
Allendale Conservation Club (86124) 50 22 -
Allendale Conservation Club (86132) 50 36 -
Heartland Private School 42 388 -
St Timothys Lutheran Church 37 13 -
American Legion Post #445 26 0 -
Catalpa Grove 25 0 -

Compare beyond Illinois

Lower-flagged peers for Stark County

Cross-state counties nearest Stark County on flagged-system share (80.0%) and cumulative violation count (2,058). 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.