Randolph County, Illinois
SDWIS compliance plate
Sheet IL157 · Randolph County 22 sys · 2,566 viol · #1374/3254
VIOL-SEVERE · HEALTH-MID · RANK-MID · PHOTO-FINISH · PFAS-MID · SRC-SW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 81.8% flagged
- HEALTH-MID 23.9% health
- RANK-MID #1374/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-MID 33.3% detect
- SRC-SW SW lead 50%
- SYS-SMALL 22 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Henry County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Randolph County ranks #1,374 of 3,254 counties by people served, and #45 of 102 counties in Illinois. See methodology · corpus placement.
Randolph County standing, lower-flagged corpus third
Flagged-system rate 81.8% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 23.9% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #1,374 of 3,254 · #45 of 102 in Illinois.
Flagged-rate neighbourhood around Randolph County
Lowest/highest poles plus in-state counties nearest Randolph County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Chester | 8,407 | 113 | Detected |
| Sparta | 4,395 | 189 | Clean |
| Red Bud | 3,804 | 67 | Clean |
| Menard Correctional Center | 2,950 | 125 | - |
| Egyptian Water Company | 2,330 | 95 | - |
| Steeleville | 1,930 | 372 | - |
| Percy | 1,111 | 112 | - |
| Coulterville | 1,052 | 55 | - |
| Prairie Du Rocher | 759 | 15 | - |
| Tilden | 740 | 40 | - |
| Evansville | 700 | 239 | - |
| Baldwin | 601 | 38 | - |
| Ellis Grove | 403 | 79 | - |
| Ruma | 341 | 18 | - |
| N and B Fuel Mart | 100 | 4 | - |
| Trinity Lutheran School | 80 | 726 | - |
| Comwell | 35 | 275 | - |
| Scuttle Inn | 25 | 4 | - |
| Walmart Supercenter 0222 Sparta | 25 | 0 | - |
| Twice the Ice Sparta | 25 | 0 | - |
| Twice the Ice Red Bud | 25 | 0 | - |
| Twice the Ice Chester | 25 | 0 | - |
Compare beyond Illinois
Lower-flagged peers for Randolph County
Cross-state counties nearest Randolph County on flagged-system share (81.8%) and cumulative violation count (2,566). 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.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
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.