San Jose, CA Neighborhood Water Quality - Grade B
57 ZIP codes · 57 EPA violations
Data source: EPA SDWIS Last verified: 2026-07-19
ZipCheckup compares 57 ZIP codes across San Jose, CA. The area averages a grade B (81/100); 57 ZIP codes carry recorded EPA violations.
Water quality varies significantly across San Jose, CA. We analyzed 57 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (81/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 57 | 100% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in San Jose ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 95101 | 82 | B | 1 | 0.0045 mg/L |
| 2 | 95103 | 82 | B | 1 | 0.0045 mg/L |
| 3 | 95106 | 82 | B | 1 | 0.0045 mg/L |
| 4 | 95108 | 82 | B | 1 | 0.0045 mg/L |
| 5 | 95109 | 82 | B | 1 | 0.0045 mg/L |
| 6 | 95111 | 82 | B | 1 | 0.0045 mg/L |
| 7 | 95113 | 82 | B | 1 | 0.0045 mg/L |
| 8 | 95115 | 82 | B | 1 | 0.0045 mg/L |
| 9 | 95117 | 82 | B | 1 | 0.0045 mg/L |
| 10 | 95118 | 82 | B | 1 | 0.0045 mg/L |
| 11 | 95119 | 82 | B | 1 | 0.0045 mg/L |
| 12 | 95121 | 82 | B | 1 | 0.0045 mg/L |
| 13 | 95123 | 82 | B | 1 | 0.0045 mg/L |
| 14 | 95124 | 82 | B | 1 | 0.0045 mg/L |
| 15 | 95126 | 82 | B | 1 | 0.0045 mg/L |
| 16 | 95128 | 82 | B | 1 | 0.0045 mg/L |
| 17 | 95129 | 82 | B | 1 | 0.0045 mg/L |
| 18 | 95130 | 82 | B | 1 | 0.0045 mg/L |
| 19 | 95131 | 82 | B | 1 | 0.0045 mg/L |
| 20 | 95133 | 82 | B | 1 | 0.0045 mg/L |
| 21 | 95134 | 82 | B | 1 | 0.0045 mg/L |
| 22 | 95135 | 82 | B | 1 | 0.0045 mg/L |
| 23 | 95136 | 82 | B | 1 | 0.0045 mg/L |
| 24 | 95138 | 82 | B | 1 | 0.0045 mg/L |
| 25 | 95139 | 82 | B | 1 | 0.0045 mg/L |
| 26 | 95141 | 82 | B | 1 | 0.0045 mg/L |
| 27 | 95150 | 82 | B | 1 | 0.0045 mg/L |
| 28 | 95151 | 82 | B | 1 | 0.0045 mg/L |
| 29 | 95152 | 82 | B | 1 | 0.0045 mg/L |
| 30 | 95153 | 82 | B | 1 | 0.0045 mg/L |
| 31 | 95154 | 82 | B | 1 | 0.0045 mg/L |
| 32 | 95155 | 82 | B | 1 | 0.0045 mg/L |
| 33 | 95156 | 82 | B | 1 | 0.0045 mg/L |
| 34 | 95157 | 82 | B | 1 | 0.0045 mg/L |
| 35 | 95158 | 82 | B | 1 | 0.0045 mg/L |
| 36 | 95159 | 82 | B | 1 | 0.0045 mg/L |
| 37 | 95160 | 82 | B | 1 | 0.0045 mg/L |
| 38 | 95161 | 82 | B | 1 | 0.0045 mg/L |
| 39 | 95164 | 82 | B | 1 | 0.0045 mg/L |
| 40 | 95170 | 82 | B | 1 | 0.0045 mg/L |
| 41 | 95172 | 82 | B | 1 | 0.0045 mg/L |
| 42 | 95173 | 82 | B | 1 | 0.0045 mg/L |
| 43 | 95190 | 82 | B | 1 | 0.0045 mg/L |
| 44 | 95191 | 82 | B | 1 | 0.0045 mg/L |
| 45 | 95192 | 82 | B | 1 | 0.0045 mg/L |
| 46 | 95193 | 82 | B | 1 | 0.0045 mg/L |
| 47 | 95194 | 82 | B | 1 | 0.0045 mg/L |
| 48 | 95196 | 82 | B | 1 | 0.0045 mg/L |
| 49 | 95120 | 77 | B | 1 | 0.0045 mg/L |
| 50 | 95122 | 77 | B | 1 | 0.0045 mg/L |
| 51 | 95127 | 77 | B | 1 | 0.0045 mg/L |
| 52 | 95132 | 77 | B | 1 | 0.0045 mg/L |
| 53 | 95148 | 77 | B | 1 | 0.0045 mg/L |
| 54 | 95110 | 72 | B | 1 | 0.0045 mg/L |
| 55 | 95112 | 72 | B | 1 | 0.0045 mg/L |
| 56 | 95116 | 72 | B | 1 | 0.0045 mg/L |
| 57 | 95125 | 72 | B | 1 | 0.0045 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 48 neighborhoods score better than county average
- 9 neighborhoods score worse than county average
EPA Violations
- 57 total violations across San Jose
- 57 health-based violations
- 57 of 57 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| E. coli | 57 | 57 |
Frequently Asked Questions
What is the safest neighborhood in San Jose?
ZIP code 95101 has the highest safety score in San Jose at 82/100 (grade B). Check the full report for details.
Is San Jose water safe to drink?
San Jose has an average water safety score of 81/100 (B). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.