Water Quality in PASADENA, TX (77501)
EPA violation data for public water systems serving ZIP code 77501.
116
Total Violations
0
Health-Based
116
Monitoring / Reporting
115
Resolved
What does this mean?
115 of 116 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 116 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 (116 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(95)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
1,1,1-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
Benzene
03
Benzene
03
Benzene
03
Benzene
03
Styrene
03
Styrene
03
Styrene
03
Styrene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
1,1,1-Trichloroethane
03
trans-1,2-Dichloroethylene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
Xylenes, Total
03
Xylenes, Total
03
Xylenes, Total
03
Xylenes, Total
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
p-Dichlorobenzene
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
Toluene
03
Toluene
03
Toluene
03
Toluene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
trans-1,2-Dichloroethylene
03
Public Notice
75
2023(12)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
How Does This Compare?
PASADENA (77501) has 116 recorded violations, none of which are health-based. 1 remains unresolved. 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
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.