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County profile · EPA SDWIS + UCMR5

Otoe County, Nebraska

12 SDWIS-listed public water systems serve 14,499 people in Otoe County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

12
SDWIS water systems Middle third of counties
441
Total violations Lower third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
0.0%
UCMR5 PFAS rate (1 tested) Lower third of counties with tests

SDWIS compliance plate

Sheet NE131 · Otoe County 12 sys · 441 viol · #2048/3254

VIOL-SEVERE · HEALTH-HIGH · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-HIGH 79.1% health
  • RANK-LOWER #2048/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 75%
  • SYS-SMALL 12 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Colfax County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Otoe County ranks #2,048 of 3,254 counties by people served, and #19 of 93 counties in Nebraska. See methodology · corpus placement.

Otoe 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 79.1% 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 #2,048 of 3,254 · #19 of 93 in Nebraska.

Flagged-rate neighbourhood around Otoe County

Lowest/highest poles plus in-state counties nearest Otoe County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Kimball · lowest Blaine · highest Cheyenne · near Cedar · near 57.1% 100% 100% 100% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Nebraska City, City Of 7,414 8 Clean
Otoe Co RWD #3 2,500 22 -
Syracuse, City Of 1,962 17 -
Otoe Co RWD 1 714 23 -
Palmyra, Village Of 567 45 -
Unadilla, Village Of 311 78 -
Otoe, Village Of 288 44 -
Talmage, Village Of 266 13 -
Douglas, Village Of 200 41 -
Dunbar, Village Of 195 37 -
Burr, Village Of 57 101 -
Walmart Supercenter 4209 25 12 -

Compare beyond Nebraska

Mid-flagged peers for Otoe County

Cross-state counties nearest Otoe County on flagged-system share (100.0%) and cumulative violation count (441). 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.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

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.