PlainWater

Marshall County, Mississippi

SDWIS compliance plate

Sheet MS093 · Marshall County 13 sys · 3,101 viol · #1615/3254

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

  • VIOL-SEVERE 92.3% flagged
  • HEALTH-LOW 1.2% health
  • RANK-MID #1615/3254
  • PHOTO-FINISH ±0.6 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 13 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Kemper County ( -0.6 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Marshall County ranks #1,615 of 3,254 counties by people served, and #42 of 82 counties in Mississippi. See methodology · corpus placement.

Marshall County standing, lower-flagged corpus third

Flagged-system rate 92.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 1.2% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #1,615 of 3,254 · #42 of 82 in Mississippi.

Flagged-rate neighbourhood around Marshall County

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

0% 20% 40% 60% 80% 100% Hinds · lowest Kemper · near Pike · near Issaquena · highest 75.9% 90.5% 91.7% 92.3% 94.1% 94.1% 100%

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

Water Systems

System Name Population Violations PFAS
City of Holly Springs 9,779 253 Detected
Marshall Co Water Assn 5,599 268 Clean
Town of Byhalia 3,820 1,057 Clean
Bcm Water Association 1,898 260 -
Town of Potts Camp 1,085 575 -
H W Byers High School 608 30 -
Dollar General #19963 Hw 309 Byhalia 300 8 -
Dollar General #20281 (Chulahoma) 250 4 -
Waypoint 72 200 0 -
South Victoria 143 578 -
Galena School 115 14 -
Wall Doxey State Park 79 23 -
Pleasant Petroleum Group LLC 40 31 -

Compare beyond Mississippi

Lower-flagged peers for Marshall County

Cross-state counties nearest Marshall County on flagged-system share (92.3%) and cumulative violation count (3,101). 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. 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.