Nampa, ID Home Safety by Neighborhood - Water Issues Recorded
5 ZIP codes · 43 EPA violations on record for mapped water systems
Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow
ZipCheckup compares 5 ZIP codes across Nampa, ID. The area averages a grade B (76/100); water systems associated with 3 ZIP codes have recorded EPA violations.
Home-safety conditions vary across Nampa, ID. We compared 5 ZIP codes using the current versioned Home Safety Score. Water compliance remains one component alongside PFAS screening, radon, and annual air quality.
City Overview: Grade B (76/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 2 | 67% |
| C | 1 | 33% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Mapped ZIP codes in Nampa ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 83651 | 80 | B | 9 | 0.0040 mg/L |
| 2 | 83687 | 80 | B | 9 | 0.0050 mg/L |
| 3 | 83686 | 68 | C | 30 | 0.0050 mg/L |
| 4 | 83652 | — | — | — | No data |
| 5 | 83653 | — | — | — | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 43 total violations since 2021 across the water systems mapped to Nampa ZIP codes (each system counted once; includes small systems beyond the city utility)
- 15 health-based violation records in the available EPA data
- 3 of 3 directly mapped ZIP records are mapped to water systems with recorded violations
- 0 of 3 ZIP records with known lead status are served by a system whose 90th-percentile lead result exceeded the EPA action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Arsenic | 12 | 2 |
| Revised Total Coliform Rule | 6 | 3 |
| Lead and Copper Rule Revisions | 5 | 2 |
| Public Notice Rule | 5 | 1 |
| Chlorine | 4 | 3 |
Frequently Asked Questions
Which ZIP code in Nampa has the highest home safety score?
ZIP code 83651 has the highest safety score among scored ZIP codes in Nampa at 80/100 (grade B). Check the full report for details.
Is Nampa water safe to drink?
The Home Safety Score is not a drinking-water grade. Across 3 directly mapped ZIP records, 43 EPA violations are recorded; 0 of 3 records with known lead status exceed the action level. Check the specific ZIP and serving system before drawing a property-level conclusion.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Reporting periods vary by source; the page metadata identifies this materialization.