Water Quality in JEFFERSON, TX (75657)
EPA violation data for public water systems serving ZIP code 75657.
110
Total Violations
57
Health-Based
53
Monitoring / Reporting
103
Resolved
What does this mean?
103 of 110 violations have been resolved. 57 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 53 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 (110 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| E. COLI | Monitoring | 0 | N/A | May 27, 2025 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | May 27, 2025 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Public Notice | Monitoring | N/A | N/A | May 14, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | May 14, 2025 | Active | N/A |
| TTHM | Health-Based | N/A | 0.113 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.113 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.113 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.113 | Mar 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(11)
E. COLI
34
E. COLI
34
Public Notice
75
Public Notice
75
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2024(31)
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
LEAD AND COPPER RULE REVISIONS
2E
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
4G
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
Lead and Copper Rule
52
Lead and Copper Rule
52
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Lead and Copper Rule
52
Lead and Copper Rule
52
Revised Total Coliform Rule
3A
How Does This Compare?
JEFFERSON (75657) has 110 recorded violations, including 57 health-based. 7 remain 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
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.