Public water system record
City of Laredo
Serves an area of Webb County, TX that includes Laredo, Ranchos Penitas West, Bonanza Hills and 15 more places · 260,046 people served
Federal records show 4 health-based violations and 17 monitoring/reporting issues for City of Laredo in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 4
- Resolved
- 4
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 17
Key facts
- City of Laredo draws water from 3 surface water intakes.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit), 2017.
- Most recent enforcement action: boil water order by Texas, October 2024.
- Record on file since 2002, with 10 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 37,615 unknown out of 83,292 service lines.
Check whether City of Laredo serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Oct 1, 2024 | Resolved | Yes |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jan 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
May 15, 2025 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2024 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Aug 1, 2021 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2017 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Mar 21, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Nov 11, 2016 | Resolved |
|
Public Notice
OTHER
|
Jun 10, 2015 | Resolved |
|
Public Notice
OTHER
|
Apr 12, 2015 | Resolved |
|
Public Notice
OTHER
|
Jan 1, 2015 | Resolved |
Full record since 2002
EPA's records for City of Laredo go back to 2002. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 70 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 1 | 59 |
| 2010 to October 18, 2016 | 9 | 11 |
| October 19, 2016 to 2019 | 1 | 5 |
| 2020s | 2 | 9 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.
Show all 10 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.106 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Jul 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Apr 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Oct 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Oct 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Jul 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.12 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
Apr 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
Jan 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Oct 1, 2012 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 2007 | Resolved |
Enforcement actions
Texas regulators took 2 formal enforcement actions against City of Laredo and issued 1 boil water order between 2014 and 2024. The most recent was a boil water order in October 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 10, 2024 | Texas | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
| Sep 29, 2016 | Texas | Compliance order with a penalty | 10 violations (5 health-based): Public Notice, Total Trihalomethanes (TTHMs) |
| Sep 22, 2014 | Texas | Compliance order with a penalty | 7 violations (5 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
What the violations mean
Total Trihalomethanes (TTHMs)
2 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
City of Laredo draws water from 3 surface water intakes. 1 other community water system and 8 smaller public systems such as schools, businesses or campgrounds buy water from City of Laredo.
Community systems that buy water from it
- Webb County Water Dispenser Laredo, TX
Annual water quality report
City of Laredo must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.
Certified drinking water labs by state EPA guidance for private wells