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County profile · EPA SDWIS + UCMR5

Yalobusha County, Mississippi

19 SDWIS-listed public water systems serve 15,240 people in Yalobusha County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

19
SDWIS water systems Middle third of counties
6,282
Total violations Upper third of counties
84.2%
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 MS161 · Yalobusha County 19 sys · 6,282 viol · #2010/3254

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

  • VIOL-SEVERE 84.2% flagged
  • HEALTH-LOW 0.6% health
  • RANK-LOWER #2010/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 19 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Yalobusha County ranks #2,010 of 3,254 counties by people served, and #57 of 82 counties in Mississippi. See methodology · corpus placement.

Yalobusha County standing, lower-flagged corpus third

Flagged-system rate 84.2% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 0.6% 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 #2,010 of 3,254 · #57 of 82 in Mississippi.

Flagged-rate neighbourhood around Yalobusha County

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

0% 20% 40% 60% 80% 100% Hinds · lowest Walthall · near Tate · near Issaquena · highest 75.9% 82.7% 83.3% 84.2% 84.2% 87.5% 100%

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

Water Systems

Compare beyond Mississippi

Lower-flagged peers for Yalobusha County

Cross-state counties nearest Yalobusha County on flagged-system share (84.2%) and cumulative violation count (6,282). 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.