Calportland - Diablo Aggregate Plant
15540 N Kenworthy Rd, Coolidge, AZ 85128
Operating signal within 24 months, or from a single source.
What they make
Ready-Mix Concrete Manufacturing327320Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Best Block - Coolidge, Az Plant | Coolidge | Concrete Block and Brick Manufacturing 327331 | LIKELY ACTIVE | 0.5 KM |
| Hanson Aggregates | Florence | Ready-Mix Concrete Manufacturing 327320 | LIKELY ACTIVE | 3.9 KM |
| Cemex - Maricopa Plant | Maricopa | Ready-Mix Concrete Manufacturing 327320 | LIKELY ACTIVE | 10.4 KM |
| Calportland Company Queen Creek Plant | Queen Creek | Ready-Mix Concrete Manufacturing 327320 | LIKELY ACTIVE | 23.7 KM |
| Queen Creek Ready Mix | San Tan Valley | Ready-Mix Concrete Manufacturing 327320 | LIKELY ACTIVE | 24.1 KM |
Also at this address
More than one federal record exists for this street address. The primary record for the site is listed first.
Where this record comes from
2 sources hold this plant, and 6 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in NPDES, TRIS · EPA site type STATIONARY.
- EPA Toxics Release InventoryOPERATINGfirst seen DEC 2023 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110070811347 · first seen JUN 2020 · last seen JUN 2020
IN PINAL COUNTY28 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 6 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- EPA: CALPORTLAND - DIABLO AGGREGATE PLANT · OCT 2026
- Street address
- EPA: 15540 N KENWORTHY RD · OCT 2026
- City
- EPA: COOLIDGE · OCT 2026
- State
- EPA: AZ · OCT 2026
- County (FIPS code)
- EPA: 04021 · OCT 2026
- Coordinates
- EPA: 33.01974,-111.5417 · OCT 2026