Water Quality in SAN DIEGO, CA (92154)
EPA violation data for public water systems serving ZIP code 92154.
13
Total Violations
9
Health-Based
4
Monitoring / Reporting
10
Resolved
What does this mean?
10 of 13 violations have been resolved. 9 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 4 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 (13 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| TTHM | Health-Based | N/A | 90 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 96 | Sep 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 134 | Jun 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 102 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 101 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 86 | Jun 30, 2023 | Resolved | N/A |
| Fluoride | Monitoring | N/A | N/A | Mar 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Apr 21, 2022 | Active | N/A |
| TTHM | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Dec 9, 2021 | Active | N/A |
Lead & Copper Levels
Violation Timeline
2025(1)
TTHM
02
2024(2)
TTHM
02
TTHM
02
How Does This Compare?
SAN DIEGO (92154) has 13 recorded violations, including 9 health-based. 3 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.
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
Always look for filters certified by NSF International for the specific contaminants you want to remove.