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Grant Parish, LA Water Quality

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

📅 2026 Report 🔄 Data updated 2026 Q2 📍 5 water systems · 5 cities
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Concerns Identified — Review Your City

Multiple systems have significant violations or lead levels approaching the federal action level.

D

Grant Parish Earns a D

Grant Parish: 5 communities across 5 water systems. 20.0% have no open violations.

  • Median lead where detected: 3.45 ppb
  • 2 communities with a lead detection, 3 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 1 with significant inspection deficiencies
  • 20.0% of communities have no open violations
3.45 ppb
Median Lead Level
County-wide, 90th percentile
5
Water Systems
Active CWS & NTNCWS
20%
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
  • Pollock
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Montgomery
    Not detected
    3 violations currently open
    D
  • Georgetown
    0.90 ppb
    1 violation currently open
    D
  • Colfax
    Not detected
    Copper above the 1,300 ppb action level
    D
  • Dry Prong
    6.00 ppb
    Copper above the 1,300 ppb action level
    F
⚠ Needs Attention
  • Dry Prong
    6.00 ppb
    Copper above the 1,300 ppb action level
    F
  • Colfax
    Not detected
    Copper above the 1,300 ppb action level
    D
  • Montgomery
    Not detected
    3 violations currently open
    D
  • Georgetown
    0.90 ppb
    1 violation currently open
    D
  • Pollock
    Not detected
    Copper above the 1,300 ppb action level
    B
County Lead Level — Median 3.45 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 3.45 ppb — 23% of the federal action level
Systems by Lead Level
Under 5 ppb
1
5 – 10 ppb
1
No Data
3

All Cities in Grant Parish

Colfax Not detected D
Montgomery Not detected D
Dry Prong 6.00 ppb F
Pollock Not detected B
Georgetown 0.90 ppb D
Showing 5 cities
No active violations Active violations

About Grant Parish Drinking Water

Grant Parish is served by 5 water systems covering 5 communities. 20% have no open violations.

Of the communities reporting lead results, 2 recorded a detection, with a median of 3.45 ppb — 23% of the federal action level. 3 reported none detected, which means below the laboratory limit rather than an absence of lead.

No community here has PFAS above the federal limit on record. State inspectors recorded significant deficiencies at 1 of them.

Frequently Asked Questions

Is Grant Parish tap water safe to drink?▼
20% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Grant Parish?▼
Among communities with a detection the median is 3.45 ppb, 23% of the 15 ppb action level. 3 reported none detected and 0 reported no result.
How many water systems serve Grant Parish?▼
5 community water systems serve 5 communities here.
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