Hawaiian Rock Products-guam
1402 Rt 15, Mangilao, GU 96913
Present in a source dataset, with no recent operating signal.
What they make
Ready-Mix Concrete Manufacturing327320Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Location not verified — this address could not be matched to Census TIGER, so the facility is not placed on the map.
Other plants nearby
No other listed facility within 40 km shares this one’s four-digit industry code, or this record has no coordinates to measure from.
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 4 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 AIR, AIRS/AFS, EIS, NPDES, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA ECHO | OPERATING | JUL 2020 | JUL 2020 |
| EPA FRS | EXISTENCE | JAN 2018 | JAN 2018 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.