Water Quality in SAN FRANCISCO, CA (94115)
EPA violation data for public water systems serving ZIP code 94115.
26
Total Violations
10
Health-Based
16
Monitoring / Reporting
20
Resolved
What does this mean?
20 of 26 violations have been resolved. 10 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 16 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 (26 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Lead and Copper Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Dec 30, 2023 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Dec 30, 2023 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Dec 30, 2023 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Dec 30, 2023 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Dec 30, 2023 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Dec 30, 2023 | Active | N/A |
Lead & Copper Levels
Violation Timeline
2024(4)
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
2023(6)
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
Groundwater Rule
45
How Does This Compare?
SAN FRANCISCO (94115) has 26 recorded violations, including 10 health-based. 6 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
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.