PlainWater

County profile · EPA SDWIS + UCMR5

Fillmore County, Nebraska

12 SDWIS-listed public water systems serve 4,458 people in Fillmore County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

12
SDWIS water systems Middle third of counties
263
Total violations Lower third of counties
91.7%
SDWIS systems w/ a violation Lower third of counties
-
UCMR5 PFAS (none tested) No UCMR5 tests

SDWIS compliance plate

Sheet NE059 · Fillmore County 12 sys · 263 viol · #2840/3254

VIOL-SEVERE · HEALTH-HIGH · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST

  • VIOL-SEVERE 91.7% flagged
  • HEALTH-HIGH 56.3% health
  • RANK-BOTTOM #2840/3254
  • PHOTO-FINISH ±0.6 pp
  • PFAS-NONE No UCMR5 set
  • SRC-GW GW lead 100%
  • SYS-SMALL 12 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Harlan County (+ 0.6 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Fillmore County ranks #2,840 of 3,254 counties by people served, and #46 of 93 counties in Nebraska. See methodology · corpus placement.

Fillmore County standing, lower-flagged corpus third

Flagged-system rate 91.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 56.3% is health-based share above the upper third (> 24.5%) . No UCMR5 tests in this extract for Fillmore County . Population served ranks #2,840 of 3,254 · #46 of 93 in Nebraska.

Flagged-rate neighbourhood around Fillmore County

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

0% 20% 40% 60% 80% 100% Kimball · lowest Washington · near Fillmore · this county Blaine · highest 57.1% 90.6% 90.9% 90.9% 91.7% 92.3% 100%

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

Water Systems

Compare beyond Nebraska

Lower-flagged peers for Fillmore County

Cross-state counties nearest Fillmore County on flagged-system share (91.7%) and cumulative violation count (263). 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.