Baton Rouge, Louisiana Water Quality Report
Comprehensive water safety analysis • Updated February 2026
Baton Rouge's water quality score of 56/100 falls below average, with 2 contaminants at concerning levels.
•There are currently 1 unresolved EPA violation(s) for Baton Rouge's water system.
Water Safety Overview
Caution Advised. We recommend using a certified water filter. Score: 56/100.
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Contaminants at Elevated Levels
Above 50% of EPA limits
| Contaminant | Level Detected | EPA Limit | % of Limit | Status |
|---|---|---|---|---|
Total Trihalomethanes | 43.62 ug/L | 80.00 ug/L | 54.5% | Warning |
Haloacetic Acids | 31.37 ug/L | 60.00 ug/L | 52.3% | Warning |
All Detected Contaminants
9 contaminants tested • EPA SDWIS data
| Contaminant | Level Detected | EPA Limit | % of Limit | Status |
|---|---|---|---|---|
Total Trihalomethanes | 43.62 ug/L | 80.00 ug/L | 54.5% | Warning |
Haloacetic Acids | 31.37 ug/L | 60.00 ug/L | 52.3% | Warning |
Chromium | 0.041 mg/L | 0.100 mg/L | 41.4% | Safe |
Nitrate | 3.81 mg/L | 10.00 mg/L | 38.1% | Safe |
Lead | 0.0056 mg/L | 0.015 mg/L | 37.4% | Safe |
Nitrite | 0.296 mg/L | 1.00 mg/L | 29.6% | Safe |
Mercury | 0.0006 mg/L | 0.0020 mg/L | 29.0% | Safe |
Arsenic | 0.0028 mg/L | 0.010 mg/L | 28.1% | Safe |
Copper | 0.346 mg/L | 1.30 mg/L | 26.7% | Safe |
Recommended Water Filters for Baton Rouge
Based on detected contaminants
Reverse Osmosis System
Best for Baton Rouge. Removes 95-99% of contaminants including heavy metals, PFAS, and nitrates.
- ✓ Removes lead
- ✓ Removes arsenic
- ✓ Removes nitrates
- ✓ Removes total dissolved solids
Activated Carbon Filter
Good for Baton Rouge. Removes chlorine, improves taste, and filters many organic compounds.
- ✓ Removes chlorine and chloramine
- ✓ Improves taste and odor
- ✓ Filters pesticides and VOCs
NSF 53 Lead Certification Required
Lead detected in Baton Rouge. Ensure any filter is NSF/ANSI 53 certified for lead removal.
EPA Compliance History
Past violations for Baton Rouge's water system
other
Nitrate - 2/4/2024
ResolvedMCL
Mercury - 2/4/2023
Resolvedother
Nitrite - 2/4/2022
Resolvedother
Nitrite - 2/3/2025
reporting
Chromium - 2/4/2024
ResolvedShowing 5 of 6 violations
Water System Information
BATON ROUGE WATER SYSTEM
- PWS ID:
- LA774113
- Population Served:
- 224,800
- Water Source:
- groundwater
Baton Rouge Water Quality Score
Based on EPA contaminant data and compliance records
Areas of Concern
- Aging infrastructure may affect water quality
- Recent compliance violations
Positive Findings
- Water quality needs improvement
Protect Your Family's Water
Baton Rouge's water contains Total Trihalomethanes at 55% of the EPA limit. A quality water filter can reduce this contaminant.
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