Neighborhood Report
Grade B
Los Alamos, NM Neighborhood Water Quality — Grade B
2 ZIP codes · 56 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Los Alamos, NM. We analyzed 2 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (73/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 2 | 100% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Los Alamos ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 87544 | 74 | B | 28 | 0.0008 mg/L |
| 2 | 87545 | 72 | B | 28 | 0.0008 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 56 total violations across Los Alamos
- 6 health-based violations
- 2 of 2 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Surface Water Treatment Rule | 24 | 2 |
| Stage 1 DBP Rule | 16 | 2 |
| Contaminant 0700 | 8 | 2 |
| Stage 2 DBP Rule | 4 | 2 |
| Lead and Copper Rule | 4 | 2 |
Frequently Asked Questions
What is the safest neighborhood in Los Alamos?
ZIP code 87544 has the highest safety score in Los Alamos at 74/100 (grade B). Check the full report for details.
Is Los Alamos water safe to drink?
Los Alamos has an average water safety score of 73/100 (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.