County profile · EPA SDWIS + UCMR5
Jefferson County, Nebraska
17 SDWIS-listed public water systems serve 7,416 people in Jefferson County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 17
- SDWIS water systems Middle third of counties
- 636
- Total violations Lower third of counties
- 88.2%
- SDWIS systems w/ a violation Lower third of counties
- 0.0%
- UCMR5 PFAS rate (1 tested) Lower third of counties with tests
SDWIS compliance plate
Sheet NE095 · Jefferson County 17 sys · 636 viol · #2575/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 88.2% flagged
- HEALTH-HIGH 75.3% health
- RANK-LOWER #2575/3254
- PHOTO-FINISH ±0.7 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 82%
- SYS-SMALL 17 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Merrick County (+ 0.7 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Jefferson County ranks #2,575 of 3,254 counties by people served, and #35 of 93 counties in Nebraska. See methodology · corpus placement.
Jefferson County standing, lower-flagged corpus third
Flagged-system rate 88.2% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 75.3% 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 #2,575 of 3,254 · #35 of 93 in Nebraska.
Flagged-rate neighbourhood around Jefferson County
Lowest/highest poles plus in-state counties nearest Jefferson County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Fairbury, City Of | 3,707 | 38 | Clean |
| Little Blue Nrd RWD 1 | 1,580 | 4 | - |
| Jefferson Co Dist 300 - Tri-County | 500 | 11 | - |
| Plymouth, Village Of | 400 | 45 | - |
| Diller, Village Of | 269 | 26 | - |
| Jefferson Co Dist 303 - Meridian | 250 | 12 | - |
| Daykin, Village Of | 169 | 38 | - |
| Endicott, Village Of | 132 | 31 | - |
| Jansen, Village Of | 99 | 34 | - |
| Harbine, Village Of | 65 | 22 | - |
| Reynolds, Village Of | 60 | 32 | - |
| Steele City, Village Of | 60 | 233 | - |
| Rock Creek Station Sra - Ng & Pc | 25 | 15 | - |
| Rock Creek Station Shp - Ng & Pc | 25 | 0 | - |
| Walmart Supercenter 0418 | 25 | 0 | - |
| Alexandria Sra - Ng & Pc | 25 | 42 | - |
| Fairbury Country Club | 25 | 53 | - |
Compare beyond Nebraska
Lower-flagged peers for Jefferson County
Cross-state counties nearest Jefferson County on flagged-system share (88.2%) and cumulative violation count (636). 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.