Drinking water quality · 2024
· Verified
What's in Laredo, TX tap water
17 contaminants were measured in the Laredo, TX water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 17
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- TX
PFAS — EPA UCMR5 (2023–2025)
2 PFAS compounds detected in Laredo, TX
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
Lithium
● Detected (no federal limit)below national p90 (76.59999999999991 mg/L across detecting U.S. systems)
PFBA
● Detected (no federal limit)near national p90 (18 ng/L across detecting U.S. systems)
Where your water comes from · EPA SDWIS
Laredo, TX's drinking water comes from surface water, drawn from 3 sources.
Source
- INTAKE 1 - JEFFERSON / OLD INTAKE
- INTAKE 5 - JEFFERSON / N OF OLD PUMPS
- INTAKE 6 - EL PICO
Treatment
- SWTP - JEFFERSON
- SWTP - EL PICO
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
3 contaminants historically over EPA limits in Laredo, TX
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
TTHM worst: 2016 | 0.147 mg/L 1.8× | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
GROSS BETA worst: 2018 | 6.4 mrem/yr 1.6× | 4 mrem/yr | '15'18 |
HAA5 worst: 2012 | 0.0887 mg/L 1.5× | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
CYANIDE worst: 2014 | 0.14 mg/L within above national p90 | 0.2 mg/L | '14'15'16'17 |
ARSENIC worst: 2016 | 0.0041 mg/L within below national p90 | 0.01 mg/L | '16'17'19 |
ANTIMONY worst: 2016 | 0.0021 mg/L within near national p90 | 0.006 mg/L | '16 |
FLUORIDE worst: 2016 | 0.77 mg/L within | 4 mg/L | '12'13'14'15'16'17'18'19 |
GROSS ALPHA worst: 2018 | 2 pCi/L within | 15 pCi/L | '15'18 |
NITRATE worst: 2018 | 1.1 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
SELENIUM worst: 2017 | 0.0042 mg/L within | 0.05 mg/L | '14'15'17 |
BARIUM worst: 2016 | 0.106 mg/L within below national p90 | 2 mg/L | '13'14'15'16'17'18'19 |
ATRAZINE worst: 2017 | 0.0001 mg/L within below national p90 | 0.003 mg/L | '17 |
URANIUM worst: 2015 | 0.0035 ug/L within below national p90 | 30 ug/L | '15'18 |
DALAPON worst: 2016 | 0.0022 ug/L within near national p90 | 200 ug/L | '16 |
COPPER worst: 2013 | 1.67 mg/L above national p90 | — | '13'14'15'16'17'18 |
LEAD worst: 2013 | 0.0161 mg/L | — | '13'15'16'17'18 |
MBAA worst: 2012 | 0.0054 mg/L | — | '12'13'14'15'16'17'18'19 |
DBAA worst: 2012 | 0.0203 mg/L | — | '12'13'14'15'16'17'18'19 |
DCAA worst: 2012 | 0.0437 mg/L | — | '12'13'14'15'16'17'18'19 |
MCAA worst: 2012 | 0.0071 mg/L | — | '12'13'15'16 |
TCAA worst: 2012 | 0.0156 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2012 | 0.0486 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMOFORM worst: 2012 | 0.0092 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.0501 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.0374 mg/L | — | '12'13'14'15'16'17'18'19 |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 2.67 mg/LAverageSystem-wide | 4 mg/LMRDL | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 10Reported level0 | None set | Detected — no federal limit |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 5Reported level0 | None set | Detected — no federal limit |
People also ask about Laredo, TX's water
+Is Laredo, TX tap water safe to drink in 2024?
Every one of the 17 contaminants measured in Laredo, TX's 2024 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Laredo, TX tap water?
17 contaminants were measured in Laredo, TX's 2024 Consumer Confidence Report, spanning metals, inorganic chemicals, and radionuclides. 13 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Laredo, TX's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Laredo, TX's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.