Water Quality in LAREDO, TX (78040)
EPA violation data for public water systems serving ZIP code 78040.
140
Total Violations
100
Health-Based
40
Monitoring / Reporting
140
Resolved
What does this mean?
140 of 140 violations have been resolved. 100 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 40 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (140 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.09 | Jun 30, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.075 | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 14, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 14, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(20)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
TTHM
02
Total Haloacetic Acids (HAA5)
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Public Notice
75
Public Notice
75
2024(59)
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Public Notice
75
Public Notice
75
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
How Does This Compare?
LAREDO (78040) has 140 recorded violations, including 100 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.