Water Quality in LIVERMORE, CA (94551)
EPA violation data for public water systems serving ZIP code 94551.
14
Total Violations
8
Health-Based
6
Monitoring / Reporting
14
Resolved
What does this mean?
14 of 14 violations have been resolved. 8 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 6 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 (14 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Nitrate | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Mar 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
Lead & Copper Levels
Violation Timeline
2024(4)
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
2021(10)
Lead and Copper Rule
51
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Lead and Copper Rule
51
Arsenic
02
Arsenic
02
How Does This Compare?
LIVERMORE (94551) has 14 recorded violations, including 8 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
Always look for filters certified by NSF International for the specific contaminants you want to remove.