Macon County, Illinois
SDWIS compliance plate
Sheet IL115 · Macon County 25 sys · 886 viol · #552/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-TOP · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 84.0% flagged
- HEALTH-HIGH 45.5% health
- RANK-TOP #552/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-MID 25.0% detect
- SRC-GW GW lead 64%
- SYS-SMALL 25 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Adams County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Macon County ranks #552 of 3,254 counties by people served, and #17 of 102 counties in Illinois. See methodology · corpus placement.
Macon County standing, lower-flagged corpus third
Flagged-system rate 84.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 45.5% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 25.0% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #552 of 3,254 · #17 of 102 in Illinois.
Flagged-rate neighbourhood around Macon County
Lowest/highest poles plus in-state counties nearest Macon County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Decatur | 76,122 | 99 | Clean |
| Long Creek Township PWS | 7,850 | 22 | Clean |
| Mount Zion | 5,833 | 159 | Detected |
| Forsyth | 3,490 | 12 | Clean |
| Maroa | 1,700 | 55 | - |
| Harristown | 1,320 | 34 | - |
| Blue Mound | 1,300 | 159 | - |
| Warrensburg | 1,230 | 50 | - |
| Macon | 1,205 | 10 | - |
| Argenta | 900 | 86 | - |
| Oreana | 892 | 20 | - |
| Pride of the Prairie Rest Area | 800 | 20 | - |
| Ej Water-Niantic | 648 | 58 | - |
| Decatur MHP, LLC | 500 | 35 | - |
| Boody Community Water Company | 232 | 19 | - |
| Rock Springs Visitor Center | 125 | 11 | - |
| Culligan Water Conditioning | 100 | 3 | - |
| Ads Valley View Landfill, Inc | 60 | 0 | - |
| The Micar Company | 53 | 24 | - |
| Culligan at Wal-Mart-Maryland | 25 | 0 | - |
| Culligan at Wal-Mart-Prospect | 25 | 0 | - |
| Water Island Kroger Airport Pz | 25 | 5 | - |
| Glacier Water-Kroger South Shores | 25 | 1 | - |
| Kroger J-922 #2 | 25 | 0 | - |
| Twice the Ice Decatur | 25 | 4 | - |
Compare beyond Illinois
Lower-flagged peers for Macon County
Cross-state counties nearest Macon County on flagged-system share (84.0%) and cumulative violation count (886). 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.