Jersey County, Illinois
SDWIS compliance plate
Sheet IL083 · Jersey County 7 sys · 303 viol · #1687/3254
VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 71.4% flagged
- HEALTH-LOW 11.2% health
- RANK-MID #1687/3254
- PHOTO-FINISH ±0.2 pp
- PFAS-HIGH 50.0% detect
- SRC-GW GW lead 71%
- SYS-TINY 7 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Champaign County (+ 0.2 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Jersey County ranks #1,687 of 3,254 counties by people served, and #54 of 102 counties in Illinois. See methodology · corpus placement.
Jersey County standing, lower-flagged corpus third
Flagged-system rate 71.4% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 11.2% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,687 of 3,254 · #54 of 102 in Illinois.
Flagged-rate neighbourhood around Jersey County
Lowest/highest poles plus in-state counties nearest Jersey County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Jersey Rwc | 12,750 | 32 | Detected |
| IL American-Jerseyville | 8,737 | 189 | Clean |
| New Piasa Chautauqua PWS | 335 | 29 | - |
| Fieldon | 186 | 45 | - |
| Pere Marquette State Park | 25 | 8 | - |
| Wal-Mart Supercenter 0253 | 25 | 0 | - |
| Twice the Ice Jerseyville | 25 | 0 | - |
Compare beyond Illinois
Lower-flagged peers for Jersey County
Cross-state counties nearest Jersey County on flagged-system share (71.4%) and cumulative violation count (303). 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.