County profile · EPA SDWIS + UCMR5
Dawson County, Nebraska
37 SDWIS-listed public water systems serve 21,525 people in Dawson County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 37
- SDWIS water systems Larger third of counties
- 823
- Total violations Middle third of counties
- 78.4%
- SDWIS systems w/ a violation Lower third of counties
- 0.0%
- UCMR5 PFAS rate (3 tested) Lower third of counties with tests
SDWIS compliance plate
Sheet NE047 · Dawson County 37 sys · 823 viol · #1700/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-MID · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 78.4% flagged
- HEALTH-HIGH 53.0% health
- RANK-MID #1700/3254
- PHOTO-FINISH ±0.6 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 100%
- SYS-SMALL 37 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Cherry County ( -0.6 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Dawson County ranks #1,700 of 3,254 counties by people served, and #14 of 93 counties in Nebraska. See methodology · corpus placement.
Dawson County standing, lower-flagged corpus third
Flagged-system rate 78.4% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 53.0% is health-based share above the upper 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 #1,700 of 3,254 · #14 of 93 in Nebraska.
Flagged-rate neighbourhood around Dawson County
Lowest/highest poles plus in-state counties nearest Dawson County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond Nebraska
Lower-flagged peers for Dawson County
Cross-state counties nearest Dawson County on flagged-system share (78.4%) and cumulative violation count (823). 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.