Shelby County, Illinois
SDWIS compliance plate
Sheet IL173 · Shelby County 13 sys · 1,078 viol · #2173/3254
VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 84.6% flagged
- HEALTH-LOW 17.4% health
- RANK-LOWER #2173/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 77%
- SYS-SMALL 13 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Menard County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Shelby County ranks #2,173 of 3,254 counties by people served, and #76 of 102 counties in Illinois. See methodology · corpus placement.
Shelby 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 17.4% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,173 of 3,254 · #76 of 102 in Illinois.
Flagged-rate neighbourhood around Shelby County
Lowest/highest poles plus in-state counties nearest Shelby County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Shelbyville | 6,174 | 11 | Clean |
| Moweaqua | 1,785 | 5 | - |
| Windsor | 1,200 | 71 | - |
| Findlay | 750 | 303 | - |
| Stewardson | 747 | 27 | - |
| Cowden | 612 | 25 | - |
| Tower Hill | 500 | 84 | - |
| Sigel | 386 | 23 | - |
| Herrick | 358 | 519 | - |
| Knobs Baptist Church | 70 | 7 | - |
| Prairie Pure Vending | 25 | 3 | - |
| Walmart #4259 | 25 | 0 | - |
| Twice the Ice Shelbyville | 25 | 0 | - |
Compare beyond Illinois
Lower-flagged peers for Shelby County
Cross-state counties nearest Shelby County on flagged-system share (84.6%) and cumulative violation count (1,078). 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.