Water Quality in LA JOLLA, CA (92037)
EPA violation data for public water systems serving ZIP code 92037.
74
Total Violations
6
Health-Based
68
Monitoring / Reporting
69
Resolved
What does this mean?
69 of 74 violations have been resolved. 6 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 68 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 (74 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2024 | Active | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2024 | Active | N/A |
| TTHM | Monitoring | N/A | N/A | Dec 31, 2024 | Active | N/A |
| TTHM | Monitoring | N/A | N/A | Dec 31, 2024 | Active | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 1, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 1, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(3)
Chlorine
27
Chlorine
27
Chlorine
27
2024(17)
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
TTHM
27
TTHM
27
Lead and Copper Rule
66
Public Notice
75
Public Notice
75
Chlorine
27
Chlorine
27
Public Notice
75
Public Notice
75
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
Chlorine
27
How Does This Compare?
LA JOLLA (92037) has 74 recorded violations, including 6 health-based. 5 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.