PlainWater

Franklin County, Illinois

SDWIS compliance plate

Sheet IL055 · Franklin County 25 sys · 808 viol · #1062/3254

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

  • VIOL-SEVERE 96.0% flagged
  • HEALTH-LOW 4.8% health
  • RANK-UPPER #1062/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 96%
  • SYS-SMALL 25 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Williamson County (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Franklin County ranks #1,062 of 3,254 counties by people served, and #33 of 102 counties in Illinois. See methodology · corpus placement.

Franklin County standing, mid-flagged corpus third

Flagged-system rate 96.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.8% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,062 of 3,254 · #33 of 102 in Illinois.

Flagged-rate neighbourhood around Franklin County

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

0% 20% 40% 60% 80% 100% Sangamon · lowest Putnam · near Williamson · near Pulaski · highest 58.8% 95.1% 95.5% 96% 96.2% 96.2% 100%

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

Water Systems

System Name Population Violations PFAS
West Frankfort 8,650 62 Clean
Benton 8,104 85 Clean
Rend Lake Inter-City Water System 3,650 26 -
Christopher 3,072 90 -
Greenwood-Creek Nation Water Company 2,530 15 -
Sesser 2,505 33 -
Ewing-Ina Water Commission 2,393 26 -
Akin Water District 2,368 23 -
Zeigler 1,774 88 -
Valier 1,182 32 -
Royalton 1,118 88 -
Hanaford 845 8 -
North City 772 24 -
West City 664 28 -
Buckner 494 38 -
Thompsonville 486 14 -
Plumfield Water District 460 6 -
Hill City Water District 452 28 -
Orient 362 22 -
Mulkeytown Pwd 328 15 -
Macedonia 155 47 -
Rend Lake Mobile Home Park 65 2 -
Walmart Supercenter (148999) 25 0 -
Twice the Ice Christopher 25 4 -
Twice the Ice Benton East 25 4 -

Compare beyond Illinois

Mid-flagged peers for Franklin County

Cross-state counties nearest Franklin County on flagged-system share (96.0%) and cumulative violation count (808). 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.