Water Quality in Baton Rouge, LA: 2 Violations Recorded for Mapped Water Systems

Data: EPA Safe Drinking Water Information System (SDWIS)

Water Quality Overview

Baton Rouge, Louisiana has directly mapped EPA water-system data for 19 ZIP codes. This page reports typed compliance facts and does not relabel the multi-source Home Safety Score as a drinking-water grade.

The available EPA records report 2 violations, including 1 health-based violation across 19 directly mapped ZIP records with reported counts.

Lead Levels

The average of the reported 90th-percentile lead results across the ZIP codes of Baton Rouge is 0.0010 mg/L; the EPA action level of 0.015 mg/L applies to a water system's own 90th-percentile result and is not a safety threshold (EPA's health goal for lead is zero). No exceedances appear among the 19 ZIP records with known lead status.

With 55% of homes built before 1986, Baton Rouge has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.

Water Systems Serving Baton Rouge

Baton Rouge is served by 4 community water systems regulated under the Safe Drinking Water Act. About 386,722 people live in the area (42 ZIP codes, Census); this is not the systems' reported service population.

Each water system is identified by a Public Water System ID (PWSID) and is required to:

• Test for over 90 regulated contaminants on a regular schedule
• Report results to the EPA and state regulators
• Issue an annual Consumer Confidence Report (CCR) to all customers
• Take corrective action when violations occur

EPA records list 17 enforcement actions against water systems serving Baton Rouge. Enforcement actions range from informal compliance assistance to formal orders and penalties.

How to Check Your Water in Baton Rouge

1. Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels and violation history

2. Request your CCR - your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants

3. Get a home test - certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel

4. Consider filtration - NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics

5. Check for advisories - monitor your local utility website and local news for boil water advisories or system alerts

Contaminants Detected in Baton Rouge Water Systems

The following contaminants have been detected or caused violations across Baton Rouge's water systems:

The standard column shows the EPA Maximum Contaminant Level (MCL) except for lead and copper, whose value is an action level that triggers corrective steps and is not an MCL. Health-based violations are MCL, MRDL and treatment-technique violations.

EPA Enforcement History

The EPA and state regulators have taken 7 enforcement actions against water systems serving Baton Rouge. Recent actions:

Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2024-03-04.

Baton Rouge vs. Nearby Louisiana Cities

How Baton Rouge's water quality compares to similar cities in Louisiana:

Recommended Water Filters for Baton Rouge

Based on contaminants detected in Baton Rouge's water supply, these filter types are recommended:

Ion Exchange Water Softener (POE)

• Removes: Combined Radium (-226 & -228)
• Effectiveness: 90-97%
• Cost range: $500–$2500
• Certification: NSF/ANSI 44
• Recommended products:
  • Waterdrop G3P800
  • Fleck 5600SXT Softener

Granular Activated Carbon (GAC, whole-house or under-sink)

• Removes: Chloramines
• Effectiveness: 95-99%
• Cost range: $100–$600
• Certification: NSF/ANSI 42
• Recommended products:
  • Aquasana AQ-5200
  • Waterdrop Chubby Pitcher
  • Berkey Travel

Water Quality by ZIP Code in Baton Rouge

EPA coverage and recorded violations can differ across Baton Rouge's ZIP codes. Missing counts are shown as unavailable, not zero:

Common Questions About Baton Rouge Water

These are the most common questions residents search for about water quality in Baton Rouge, Louisiana:

Is Baton Rouge water hard or soft? Water hardness varies by source. Baton Rouge's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.

Can I drink Baton Rouge tap water? City-level EPA records cannot determine safety at a specific tap. The measured subset contains 1 health-based violation; check the affected utility record and consider certified testing.

What is the best water filter for Baton Rouge? Based on detected contaminants, a ion exchange water softener (poe) filter is most recommended. See our Water Filter Matcher for personalized recommendations.

Baton Rouge vs. Louisiana Average

Understanding how Baton Rouge compares to the broader Louisiana average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.

To see how individual neighborhoods compare, check the ZIP code reports below - water quality can vary significantly even within Baton Rouge.

ZIP Codes in Baton Rouge

Baton Rouge spans 42 ZIP codes. EPA water-system coverage is available for 19 directly mapped ZIP codes. Check each ZIP code for detailed contaminant data, violation history, and system information.

Data Sources

• Water quality: EPA Safe Drinking Water Information System (SDWIS)
• Lead/copper: EPA Lead and Copper Rule sampling data
• Radon: EPA Map of Radon Zones
• Enforcement: EPA ECHO database
• Filter recommendations: NSF/ANSI certified products

Source reporting periods vary. See each cited source for its publication schedule.