Water Quality in 78040 — Laredo, TX
EPA data for CITY OF LAREDO
Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026
Your Water System
ZIP code 78040 in Laredo, Texas is served by CITY OF LAREDO (EPA ID: TX2400001). This system provides water to approximately 260,046 people from surface water sources.
There are 4 community water systems serving this area.
Lead & Copper in Your Water
No Lead & Copper Rule sampling data available for systems serving this ZIP code.
Violation Summary
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| July 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| May 15, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| May 1, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| April 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| April 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| February 28, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| October 30, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 1, 2024 | Consumer Confidence Report Rule | Health-based | Resolved |
| October 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| October 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Unresolved |
| October 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| October 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| September 1, 2024 | Fecal Coliform | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for water systems serving this ZIP code:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 50 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 18 | Yes |
| Fecal Coliform | Microbiological | 8 | No |
| Lead and Copper Rule | Treatment Technique | 5 | No |
| Stage 2 DBP Rule | Treatment Technique | 4 | Yes |
| Revised Total Coliform Rule | Microbiological | 2 | No |
| Consumer Confidence Report Rule | Reporting | 1 | Yes |
Need help with your water quality?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| CITY OF LAREDO | TX2400001 | 260,046 | Surface water |
| WEBB COUNTY WATER UTILITIES | TX2400022 | 8,358 | Surface water |
| WEBB COUNTY WATER DISPENSER | TX2400029 | 3,362 | Surface water |
| LOS BOTINES WSC | TX2400043 | 54 | Groundwater |
What You Can Do
- Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
- Consider a home water test — Independent testing can reveal issues in your specific plumbing
- Install a certified water filter — NSF-certified filters can address specific contaminants
- Contact your water provider — Ask about current treatment and any ongoing remediation
Need help with water testing or filtration?
Call to get connected with a local professional in your area.
Call (855) 384-4856This is a free service. You will be connected with an independent service provider.
Other Water Quality Reports in Texas
- 73301 (Austin) — 10 violations
- 75006 (Carrollton)
- 75014 (Irving)
- 75023 (Plano) — 1 violation
- 75029 (Lewisville) — 26 violations
- 75040 (Garland) — 3 violations
- 75050 (Grand Prairie) — 225 violations
- 75080 (Richardson) — 84 violations
- 75149 (Mesquite) — 4 violations
- 75201 (Dallas) — 10 violations
- 75401 (Greenville) — 6 violations
- 75501 (Texarkana) — 270 violations
- 75601 (Longview) — 1 violation
- 75701 (Tyler) — 13 violations
- 75801 (Palestine) — 17 violations
- 75901 (Lufkin) — 71 violations
- 75961 (Nacogdoches) — 38 violations
- 76001 (Arlington) — 11 violations
- 76101 (Fort Worth) — 7 violations
- 76201 (Denton) — 5 violations
Nearby Water Quality Reports
- 78501 (Mcallen) — 119 mi
- 78401 (Corpus Christi) — 130 mi — 6 violations
- 78201 (San Antonio) — 147 mi — 4 violations
- 78520 (Brownsville) — 164 mi — 13 violations
- 77901 (Victoria) — 177 mi — 53 violations
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for CITY OF LAREDO (TX2400001) on EPA.gov.
Frequently Asked Questions
Is the tap water in 78040 safe to drink?
Laredo’s water system has recorded 71 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
Where does 78040’s water come from?
The primary water source for this area is surface water. CITY OF LAREDO serves approximately 260,046 people.
How can I get my water tested?
Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.
Does 78040 have lead in the water?
No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 78040. If you are concerned about lead, contact your water utility or have your tap water independently tested.
What is the radon risk in 78040?
Radon zone data is not available for ZIP code 78040. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.