PlainWater

Menard County, Illinois

SDWIS compliance plate

Sheet IL129 · Menard County 13 sys · 423 viol · #2201/3254

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

  • VIOL-SEVERE 84.6% flagged
  • HEALTH-LOW 9.2% health
  • RANK-LOWER #2201/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 92%
  • SYS-SMALL 13 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Menard County ranks #2,201 of 3,254 counties by people served, and #78 of 102 counties in Illinois. See methodology · corpus placement.

Menard County standing, lower-flagged corpus third

Flagged-system rate 84.6% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 9.2% 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 #2,201 of 3,254 · #78 of 102 in Illinois.

Flagged-rate neighbourhood around Menard County

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

0% 20% 40% 60% 80% 100% Sangamon · lowest Kendall · near Menard · this county Pulaski · highest 58.8% 84.2% 84.4% 84.4% 84.6% 84.6% 100%

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

Water Systems

System Name Population Violations PFAS
Petersburg 4,725 18 Clean
Athens 4,575 120 Clean
Tallula 868 17 -
Greenview 778 7 -
Menard Rural Water Coop 753 56 -
Oakford 234 37 -
Old Salem Chautauqua 128 62 -
Country Hills Golf Course 50 3 -
West of Wise Winery 27 7 -
Lincoln Trail Family Campground 25 91 -
County Market 25 0 -
Hill Prarie Winery 25 5 -
Berts Service 25 0 -

Compare beyond Illinois

Lower-flagged peers for Menard County

Cross-state counties nearest Menard County on flagged-system share (84.6%) and cumulative violation count (423). 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.