County profile · EPA SDWIS + UCMR5
Douglas County, Illinois
16 SDWIS-listed public water systems serve 18,548 people in Douglas County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 16
- SDWIS water systems Middle third of counties
- 574
- Total violations Lower third of counties
- 81.3%
- SDWIS systems w/ a violation Lower third of counties
- 0.0%
- UCMR5 PFAS rate (1 tested) Lower third of counties with tests
SDWIS compliance plate
Sheet IL041 · Douglas County 16 sys · 574 viol · #1841/3254
VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 81.3% flagged
- HEALTH-LOW 11.7% health
- RANK-MID #1841/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 94%
- SYS-SMALL 16 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Effingham County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Douglas County ranks #1,841 of 3,254 counties by people served, and #60 of 102 counties in Illinois. See methodology · corpus placement.
Douglas County standing, lower-flagged corpus third
Flagged-system rate 81.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 11.7% 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 #1,841 of 3,254 · #60 of 102 in Illinois.
Flagged-rate neighbourhood around Douglas County
Lowest/highest poles plus in-state counties nearest Douglas County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Tuscola | 4,875 | 41 | Clean |
| West Prairie Water Company | 4,800 | 18 | - |
| Arcola | 2,927 | 49 | - |
| IL American-Villa Grove | 2,467 | 35 | - |
| Atwood | 1,155 | 44 | - |
| Newman | 836 | 135 | - |
| Camargo | 750 | 34 | - |
| Hindsboro | 296 | 126 | - |
| Garrett | 198 | 18 | - |
| Egyptian Trail Water Corp | 64 | 51 | - |
| Arcola/Tuscola Water Transmissioin Main | 50 | 0 | - |
| Twice the Ice Arthur | 30 | 0 | - |
| Tuscola Iga R/O Vending Unit | 25 | 0 | - |
| Ricks County Market Villa Grove | 25 | 1 | - |
| Arcola Hispanic & American Grocery LLC | 25 | 3 | - |
| Douglas County Health Department | 25 | 19 | - |
Compare beyond Illinois
Lower-flagged peers for Douglas County
Cross-state counties nearest Douglas County on flagged-system share (81.3%) and cumulative violation count (574). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.