Semmaterials L.p.
14929 Slover Avenue, Fontana, CA 92337
UNVERIFIEDLAST SEEN IN FEDERAL DATA DEC 2023 · 2 SOURCES
Present in a source dataset, with no recent operating signal.
What they make
Asphalt Paving Mixture and Block Manufacturing324121Where it is
34.06293, -117.47948 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Ergon Asphalt & Emulsions, INC - Fontana | Fontana | Asphalt Paving Mixture and Block Manufacturing 324121 | UNVERIFIED | 0.0 KM |
| B&a Tire Shop | Fontana | Petroleum Lubricating Oil and Grease Manufacturing 324191 | UNVERIFIED | 1.0 KM |
| Aggreko | Fontana | Petroleum Lubricating Oil and Grease Manufacturing 324191 | UNVERIFIED | 1.1 KM |
| Advantage Sealing Systems INC | Fontana | Asphalt Paving Mixture and Block Manufacturing 324121 | UNVERIFIED | 1.3 KM |
| Ams Paving LLC | Fontana | Asphalt Paving Mixture and Block Manufacturing 324121 | UNVERIFIED | 2.5 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in BR, CA-ENVIROVIEW, EIS, NPDES, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | JUN 2017 | AUG 2024 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | AUG 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
