Water Quality in Laredo, TX: 28 Violations - Grade N/A

Data: EPA Safe Drinking Water Information System (SDWIS)

Water Quality Overview

Laredo, Texas has directly mapped EPA water-system data for 5 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 28 violations, including 19 health-based violations across 5 directly mapped ZIP records with reported counts.

Lead Levels

The average 90th percentile lead level across Laredo water systems is 0.0014 mg/L - within EPA limits. No exceedances appear among the 5 ZIP records with known lead status.

Water Systems Serving Laredo

Laredo is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 266,762 people across 8 ZIP codes.

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

The EPA has taken 50 enforcement actions against water systems serving Laredo. Enforcement actions range from informal compliance assistance to formal orders and penalties.

How to Check Your Water in Laredo

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 Laredo Water Systems

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

MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.

Violation Trend Over Time

Year-by-year EPA violations recorded for water systems serving Laredo:

Violations have increased from 2 in 2021 to 6 in 2026. This trend warrants monitoring.

EPA Enforcement History

The EPA and state regulators have taken 16 enforcement actions against water systems serving Laredo. Recent actions:

Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2026-05-22.

Laredo vs. Nearby Texas Cities

How Laredo's water quality compares to similar cities in Texas:

Recommended Water Filters for Laredo

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

UV Disinfection System (POE or POU)

• Removes: Fecal Coliform or E. Coli
• Effectiveness: 99.99%
• Cost range: $100–$700
• Certification: NSF/ANSI 55
• Recommended products:
  • Viqua VH200
  • HQUA UV System
  • Waterdrop G3P800

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

• Removes: Haloacetic Acids (HAA5)
• Effectiveness: 60-80%
• Cost range: $100–$600
• Certification: NSF/ANSI 53
• Recommended products:
  • Aquasana AQ-5200
  • Aquasana EQ-1000 Rhino

Granular Activated Carbon (GAC, whole-house POE)

• Removes: Total Trihalomethanes (TTHM)
• Effectiveness: 80-99%
• Cost range: $400–$2000
• Certification: NSF/ANSI 53
• Recommended products:
  • Aquasana AQ-5200
  • Aquasana EQ-1000 Rhino

Water Quality by ZIP Code in Laredo

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

Common Questions About Laredo Water

These are the most common questions residents search for about water quality in Laredo, Texas:

Is Laredo water hard or soft? Water hardness varies by source. Laredo's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.

Can I drink Laredo tap water? City-level EPA records cannot determine safety at a specific tap. The measured subset contains 19 health-based violations; check the affected utility record and consider certified testing.

What is the best water filter for Laredo? Based on detected contaminants, a uv disinfection system (poe or pou) filter is most recommended. See our Water Filter Matcher for personalized recommendations.

Laredo vs. Texas Average

Understanding how Laredo compares to the broader Texas 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 Laredo.

ZIP Codes in Laredo

Laredo spans 8 ZIP codes. EPA water-system coverage is available for 5 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.