Coles County, Illinois
SDWIS compliance plate
Sheet IL029 · Coles County 16 sys · 520 viol · #868/3254
VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · PHOTO-FINISH · PFAS-MID · SRC-SW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 87.5% flagged
- HEALTH-LOW 16.3% health
- RANK-UPPER #868/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-MID 40.0% detect
- SRC-SW SW lead 56%
- SYS-SMALL 16 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Montgomery County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Coles County ranks #868 of 3,254 counties by people served, and #24 of 102 counties in Illinois. See methodology · corpus placement.
Coles 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 16.3% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 40.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #868 of 3,254 · #24 of 102 in Illinois.
Flagged-rate neighbourhood around Coles County
Lowest/highest poles plus in-state counties nearest Coles County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Mattoon | 19,500 | 71 | Detected |
| Charleston | 17,286 | 35 | Detected |
| Clear Water Service Corp | 8,900 | 19 | Clean |
| Eastern Illinois University | 5,500 | 46 | Clean |
| Embarras Area Water District | 3,750 | 32 | Clean |
| Oakland | 739 | 39 | - |
| Cooks Mills Water Association | 720 | 27 | - |
| Ashmore | 637 | 72 | - |
| Longacre Estates MHP | 375 | 78 | - |
| Humboldt | 361 | 81 | - |
| Walmart Mattoon | 50 | 0 | - |
| Shiney Hiney Wash Co | 35 | 6 | - |
| County Market #450 | 25 | 3 | - |
| Walmart Supercenter #0612 | 25 | 0 | - |
| Champion Ice Mattoon | 25 | 8 | - |
| Twice the Ice Charleston | 25 | 3 | - |
Compare beyond Illinois
Lower-flagged peers for Coles County
Cross-state counties nearest Coles County on flagged-system share (87.5%) and cumulative violation count (520). 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.