Water Quality in SAN FRANCISCO, CA (94133)
EPA violation data for public water systems serving ZIP code 94133.
6
Total Violations
6
Health-Based
0
Monitoring / Reporting
6
Resolved
What does this mean?
6 of 6 violations have been resolved. 6 are health-based violations, meaning contaminant levels exceeded federal safety limits. Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (6 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Groundwater Rule | Health-Based | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
Violation Timeline
2024(2)
Groundwater Rule
41
Groundwater Rule
41
2022(3)
Groundwater Rule
41
Groundwater Rule
41
Groundwater Rule
41
How Does This Compare?
SAN FRANCISCO (94133) has 6 recorded violations, including 6 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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.