Montgomery County, Illinois
SDWIS compliance plate
Sheet IL135 · Montgomery County 24 sys · 1,355 viol · #1514/3254
VIOL-SEVERE · HEALTH-MID · RANK-MID · PHOTO-FINISH · PFAS-CLEAN · SRC-SW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 87.5% flagged
- HEALTH-MID 20.1% health
- RANK-MID #1514/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-SW SW lead 58%
- SYS-SMALL 24 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Coles County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Montgomery County ranks #1,514 of 3,254 counties by people served, and #49 of 102 counties in Illinois. See methodology · corpus placement.
Montgomery County standing, lower-flagged corpus third
Flagged-system rate 87.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 20.1% 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 #1,514 of 3,254 · #49 of 102 in Illinois.
Flagged-rate neighbourhood around Montgomery County
Lowest/highest poles plus in-state counties nearest Montgomery County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Litchfield | 6,648 | 172 | Clean |
| Hillsboro | 4,402 | 111 | Clean |
| Nokomis | 2,370 | 39 | - |
| Graham Correctional Site | 2,155 | 7 | - |
| Ej Water-McWc | 2,075 | 35 | - |
| Henderson Pwd | 1,937 | 74 | - |
| Raymond | 974 | 33 | - |
| Ej Water-Witt | 785 | 57 | - |
| Farmersville | 784 | 49 | - |
| Taylor Springs | 724 | 17 | - |
| Coffeen | 647 | 158 | - |
| Schram City | 563 | 29 | - |
| Irving | 373 | 20 | - |
| Fillmore | 330 | 278 | - |
| Ej Water-Coalton | 317 | 51 | - |
| Butler | 253 | 17 | - |
| Harvel | 191 | 64 | - |
| Waggoner | 186 | 101 | - |
| Indian Springs Golf Club | 60 | 33 | - |
| Lds Litchfield | 60 | 7 | - |
| Walmart Super Center-Litchfiel | 25 | 0 | - |
| Durbin and Sons, LLC | 25 | 3 | - |
| Ice House America Litchfield | 25 | 0 | - |
| Ice House America Hillsboro | 25 | 0 | - |
Compare beyond Illinois
Lower-flagged peers for Montgomery County
Cross-state counties nearest Montgomery County on flagged-system share (87.5%) and cumulative violation count (1,355). 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.