Clean Air Act
HIGHWAY MATERIALS INC/PLYMOUTH MTG ASPHALT PLT
Quick Summary
- •Assessed $0 in total penalties since records began.
- Address
-
5100 JOSHUA RD
PLYMOUTH MEETING, PA 19462
View on map ↗ - County
- MONTGOMERY County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 324121
- Inspections
- 2 · last Aug 19, 2025
- Total Penalties
- $0 · last Nov 21, 2019
- Registry ID
- 110071723500
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | FRV | Jan 10, 2019 | — | Open |
| caa | FRV | Oct 17, 2018 | — | Open |
| caa | FRV | Dec 13, 2017 | — | Open |
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