Hancock County, Illinois
SDWIS compliance plate
Sheet IL067 · Hancock County 13 sys · 1,139 viol · #2212/3254
VIOL-SEVERE · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 34.2% health
- RANK-LOWER #2212/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 69%
- SYS-SMALL 13 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Washington County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Hancock County ranks #2,212 of 3,254 counties by people served, and #79 of 102 counties in Illinois. See methodology · corpus placement.
Hancock County standing, mid-flagged corpus third
Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 34.2% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Hancock County . Population served ranks #2,212 of 3,254 · #79 of 102 in Illinois.
Flagged-rate neighbourhood around Hancock County
Lowest/highest poles plus in-state counties nearest Hancock County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Hamilton | 2,753 | 52 | - |
| Carthage | 2,510 | 250 | - |
| Warsaw | 1,607 | 106 | - |
| Laharpe | 1,200 | 161 | - |
| Nauvoo | 1,200 | 303 | - |
| Dallas City | 788 | 18 | - |
| Augusta | 553 | 18 | - |
| Bowen | 494 | 65 | - |
| Plymouth | 460 | 16 | - |
| West Point | 248 | 80 | - |
| Elvaston | 165 | 30 | - |
| Tri-County Country Club | 25 | 33 | - |
| County Market 287 Carthage | 25 | 7 | - |
Compare beyond Illinois
Mid-flagged peers for Hancock County
Cross-state counties nearest Hancock County on flagged-system share (100.0%) and cumulative violation count (1,139). 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.