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Marshall County, MS Water Quality

Water quality data for 5 public water systems serving Marshall County, Mississippi — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 5 water systems · 6 cities
✅
Generally Safe — Most Systems Performing Well

The majority of water systems have no active violations and lead levels well below the federal action level.

B

Marshall County Earns a B

Marshall County: 6 communities across 5 water systems. 83.3% have no open violations.

  • Median lead where detected: 0.60 ppb
  • 3 communities with a lead detection, 3 reporting none detected
  • 2 communities with PFAS above the federal limit
  • 1 with significant inspection deficiencies
  • 83.3% of communities have no open violations
0.6 ppb
Median Lead Level
County-wide, 90th percentile
5
Water Systems
Active CWS & NTNCWS
83%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Bethlehem
    Not detected
    2 health-based violations since 2015
    B
  • Potts Camp
    Not detected
    3 health-based violations since 2015
    B
  • Byhalia
    0.80 ppb
    2 significant inspection deficiencies
    B
  • Holly Springs
    0.60 ppb
    PFAS above the limit at 1 of 2 sampling points
    C
  • Red Banks
    0.60 ppb
    PFAS above the limit at 1 of 2 sampling points
    C
⚠ Needs Attention
  • Victoria
    Not detected
    1 violation currently open
    C
  • Holly Springs
    0.60 ppb
    PFAS above the limit at 1 of 2 sampling points
    C
  • Red Banks
    0.60 ppb
    PFAS above the limit at 1 of 2 sampling points
    C
  • Byhalia
    0.80 ppb
    2 significant inspection deficiencies
    B
  • Potts Camp
    Not detected
    3 health-based violations since 2015
    B
County Lead Level — Median 0.6 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 0.6 ppb — 4% of the federal action level
Systems by Lead Level
Under 5 ppb
3
No Data
3

All Cities in Marshall County

Holly Springs 0.60 ppb C
Byhalia 0.80 ppb B
Potts Camp Not detected B
Red Banks 0.60 ppb C
Victoria Not detected C
Bethlehem Not detected B
Showing 6 cities
No active violations Active violations

About Marshall County Drinking Water

Marshall County is served by 5 water systems covering 6 communities. 83% have no open violations.

Of the communities reporting lead results, 3 recorded a detection, with a median of 0.60 ppb — 4% of the federal action level. 3 reported none detected, which means below the laboratory limit rather than an absence of lead.

2 of 6 communities have PFAS above the limits EPA set in 2024, measured as a running annual average at each sampling point. State inspectors recorded significant deficiencies at 1 of them.

Frequently Asked Questions

Is Marshall County tap water safe to drink?▼
83% of communities have no open violation. 2 of 6 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Marshall County?▼
Among communities with a detection the median is 0.60 ppb, 4% of the 15 ppb action level. 3 reported none detected and 0 reported no result.
How many water systems serve Marshall County?▼
5 community water systems serve 6 communities here.
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