- EPA's UCMR 5 testing looked for 30 contaminants here and found 2.
- Lithium: found in 8 of 8 samples, average 27.3 µg/L, highest 34.3 µg/L (EPA UCMR 5 testing, Jun 2023–Mar 2024)
- PFBA (a PFAS): found in 5 of 8 samples, average 4 ppt, highest 10.6 ppt (EPA UCMR 5 testing, Jun 2023–Jul 2024)
- Lead, 90th percentile: 1.37 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2022–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
- Health-based violation: Total Coliform Rules, Revised Total Coliform Rule, from May 2026, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-based violation: Lead and Copper Rule, LEAD AND COPPER RULE REVISIONS, Oct 2024–Apr 2025 (EPA SDWIS)
- Health-based violation: Total Coliform Rules, Revised Total Coliform Rule, Oct 2024–Dec 2024 (EPA SDWIS)
Public EPA test results
Can you drink Laredo tap water? What EPA records show
EPA TX2400001 · serves Webb County, TX · about 260,046 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
City of Laredo (EPA TX2400001)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For Laredo's main utility, City of Laredo: 3 health-based violations since July 1, 2021 in EPA records (EPA SDWIS). PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for City of Laredo, as of October 14, 2026
3 health-based violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead, 90th percentile: 1.37 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2022–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 2.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does City of Laredo use chloramine?
We didn't find chloramine in City of Laredo's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)
Source: EPA SDWIS (ECHO SDWA bulk download), data as of Oct 14, 2026
Source: EPA UCMR 5 occurrence data, data as of Oct 15, 2026
These are EPA's public records for this water system, shown as of October 14, 2026. If you represent this utility, or think a record here is wrong, tell us: Report an error. If the error is in EPA's own records, your state drinking water program can correct it there, and this page updates at our next data refresh.
Sources
- EPA ECHO detailed facility report: City of Laredo (TX2400001), July to September 2026 extract
- EPA SDWIS (ECHO SDWA bulk download), July to September 2026 extract
- EPA UCMR 5 occurrence data, samples through June 2026
Questions people ask
Is Laredo tap water safe to drink?
We don't give a safe or unsafe verdict. Here is what the public data shows: EPA records for Laredo's main utility, City of Laredo, as of October 14, 2026. 3 health-based violations since July 1, 2021 in EPA records (EPA SDWIS). PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing. A guideline and a legal limit are different things, and this is public data, not a test of your tap.
Which utility supplies water in Laredo?
City of Laredo is the main utility for Laredo in EPA's records (EPA TX2400001), serving about 260,046 people (EPA SDWIS). Your water bill names your utility.
Does Laredo tap water contain PFAS?
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing. This is public data, not a test of your tap.
How recent is this data?
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026. Data may be one to three years old and may not reflect the water at your tap. If you want your own tap tested, use a state-certified laboratory.
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