County profile · EPA SDWIS + UCMR5
Champaign County, Ohio
43 SDWIS-listed public water systems serve 24,940 people in Champaign County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 43
- SDWIS water systems Larger third of counties
- 3,657
- Total violations Upper third of counties
- 88.4%
- SDWIS systems w/ a violation Lower third of counties
- 100.0%
- UCMR5 PFAS rate (1 tested) Upper third of counties with tests
SDWIS compliance plate
Sheet OH021 · Champaign County 43 sys · 3,657 viol · #1564/3254
VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL
- VIOL-SEVERE 88.4% flagged
- HEALTH-LOW 12.3% health
- RANK-MID #1564/3254
- PHOTO-FINISH ±0.1 pp
- PFAS-HIGH 100.0% detect
- SRC-GW GW lead 100%
- SYS-MID 43 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Huron County (+ 0.1 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Champaign County ranks #1,564 of 3,254 counties by people served, and #71 of 88 counties in Ohio. See methodology · corpus placement.
Champaign County standing, lower-flagged corpus third
Flagged-system rate 88.4% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 12.3% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,564 of 3,254 · #71 of 88 in Ohio.
Flagged-rate neighbourhood around Champaign County
Lowest/highest poles plus in-state counties nearest Champaign County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond Ohio
Lower-flagged peers for Champaign County
Cross-state counties nearest Champaign County on flagged-system share (88.4%) and cumulative violation count (3,657). 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.