Neighborhood Report
Grade B
San Jose, CA Neighborhood Water Quality — Grade B
57 ZIP codes · 57 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
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.