Lead Exceeds EPA Action Level in 2 Areas - Johnstown, PA
8 ZIP codes · 256 EPA violations on record for mapped water systems
Data source: ZipCheckup Home Safety Score registry; EPA SDWIS; EPA radon; EPA AirNow
ZipCheckup compares 8 ZIP codes across Johnstown, PA. The area averages a grade C (67/100); water systems associated with 6 ZIP codes have recorded EPA violations.
Home-safety conditions vary across Johnstown, PA. We compared 8 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 C (67/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 5 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Mapped ZIP codes in Johnstown ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 15901 | 67 | C | 53 | 0.0050 mg/L |
| 2 | 15902 | 67 | C | 93 | 0.0050 mg/L |
| 3 | 15904 | 67 | C | 201 | 0.0050 mg/L |
| 4 | 15905 | 67 | C | 141 | 0.0050 mg/L |
| 5 | 15906 | 67 | C | 93 | Above EPA action level |
| 6 | 15907 | — | — | — | No data |
| 7 | 15909 | — | — | 108 | Above EPA action level |
| 8 | 15915 | — | — | — | No data |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 0 neighborhoods score better than county average
- 5 neighborhoods score worse than county average
EPA Violations
- 256 total violations since 2021 across the water systems mapped to Johnstown ZIP codes (each system counted once; includes small systems beyond the city utility)
- 26 health-based violation records in the available EPA data
- 6 of 6 directly mapped ZIP records are mapped to water systems with recorded violations
- 2 of 6 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 |
|---|---|---|
| Revised Total Coliform Rule | 56 | 6 |
| Public Notice Rule | 54 | 6 |
| Haloacetic Acids (HAA5) | 50 | 5 |
| Surface Water Treatment Rule | 43 | 6 |
| Chlorine | 42 | 6 |
Frequently Asked Questions
Which ZIP code in Johnstown has the highest home safety score?
ZIP code 15901 has the highest safety score among scored ZIP codes in Johnstown at 67/100 (grade C). Check the full report for details.
Is Johnstown water safe to drink?
The Home Safety Score is not a drinking-water grade. Across 6 directly mapped ZIP records, 256 EPA violations are recorded; 2 of 6 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.