Jefferson County, Mississippi
SDWIS compliance plate
Sheet MS063 · Jefferson County 7 sys · 2,584 viol · #2473/3254
VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-LOW 3.7% health
- RANK-LOWER #2473/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 100%
- SYS-TINY 7 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: DeSoto County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Jefferson County ranks #2,473 of 3,254 counties by people served, and #78 of 82 counties in Mississippi. See methodology · corpus placement.
Jefferson 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 3.7% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,473 of 3,254 · #78 of 82 in Mississippi.
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 |
|---|---|---|---|
| Lorman Water Association | 2,162 | 1,099 | - |
| City of Fayette | 2,000 | 307 | - |
| Union Church Waterworks Assn | 1,456 | 458 | Clean |
| McNair-Stampley W/a #2 | 1,188 | 314 | - |
| McNair-Stampley W/a #1 | 1,148 | 368 | Clean |
| McNair-Stampley W/a #3 | 562 | 34 | - |
| Coles Creek Picnic Area | 75 | 4 | - |
Compare beyond Mississippi
Mid-flagged peers for Jefferson County
Cross-state counties nearest Jefferson County on flagged-system share (100.0%) and cumulative violation count (2,584). 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. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.