PlainWater

Morgan County, Illinois

SDWIS compliance plate

Sheet IL137 · Morgan County 18 sys · 856 viol · #1188/3254

VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 88.9% flagged
  • HEALTH-MID 44.7% health
  • RANK-UPPER #1188/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 100.0% detect
  • SRC-SW SW lead 56%
  • SYS-SMALL 18 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Morgan County ranks #1,188 of 3,254 counties by people served, and #35 of 102 counties in Illinois. See methodology · corpus placement.

Morgan County standing, lower-flagged corpus third

Flagged-system rate 88.9% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 44.7% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,188 of 3,254 · #35 of 102 in Illinois.

Flagged-rate neighbourhood around Morgan County

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

0% 20% 40% 60% 80% 100% Sangamon · lowest Knox · near Fulton · near Pulaski · highest 58.8% 88.9% 88.9% 88.9% 88.9% 88.9% 100%

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

Water Systems

System Name Population Violations PFAS
Jacksonville 19,903 33 Detected
South Jacksonville 3,508 94 Detected
Smg Water Coop 3,110 15 -
North Morgan Water Coop 2,763 9 -
Murrayville-Woodson Water Commission 1,403 62 -
Waverly 1,194 174 -
Meredosia 1,075 22 -
Apple Creek Water Coop 968 178 -
Franklin 800 52 -
Chapin 658 43 -
Alexander Water District 442 34 Detected
Concord 295 54 -
Lynnville 130 33 -
West Morgan Water Corporation 53 30 -
Starlite Campers 25 19 -
Hy-Vee Jacksonville 25 4 -
Walmart Supercenter 0200 Jacksonville 25 0 -
Hughes Gaming 25 0 -

Compare beyond Illinois

Lower-flagged peers for Morgan County

Cross-state counties nearest Morgan County on flagged-system share (88.9%) and cumulative violation count (856). 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.