Neighborhood Report
Grade B
Billings, MT Neighborhood Water Quality — Grade B
14 ZIP codes · 476 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Billings, MT. We analyzed 14 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (72/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 13 | 93% |
| C | 1 | 7% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Billings ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 59104 | 75 | B | 34 | 0.0050 mg/L |
| 2 | 59103 | 73 | B | 34 | 0.0050 mg/L |
| 3 | 59107 | 73 | B | 34 | 0.0050 mg/L |
| 4 | 59108 | 73 | B | 34 | 0.0050 mg/L |
| 5 | 59111 | 73 | B | 34 | 0.0050 mg/L |
| 6 | 59112 | 73 | B | 34 | 0.0050 mg/L |
| 7 | 59114 | 73 | B | 34 | 0.0050 mg/L |
| 8 | 59115 | 73 | B | 34 | 0.0050 mg/L |
| 9 | 59116 | 73 | B | 34 | 0.0050 mg/L |
| 10 | 59117 | 73 | B | 34 | 0.0050 mg/L |
| 11 | 59102 | 70 | B | 34 | 0.0050 mg/L |
| 12 | 59105 | 70 | B | 34 | 0.0050 mg/L |
| 13 | 59106 | 70 | B | 34 | 0.0050 mg/L |
| 14 | 59101 | 65 | C | 34 | 0.0050 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 13 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 476 total violations across Billings
- 70 health-based violations
- 14 of 14 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Contaminant 0700 | 196 | 14 |
| Surface Water Treatment Rule | 140 | 14 |
| Stage 1 DBP Rule | 84 | 14 |
| Arsenic | 42 | 14 |
| Total Trihalomethanes (TTHM) | 14 | 14 |
Frequently Asked Questions
What is the safest neighborhood in Billings?
ZIP code 59104 has the highest safety score in Billings at 75/100 (grade B). Check the full report for details.
Is Billings water safe to drink?
Billings has an average water safety score of 72/100 (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.