Icco Middelton

21250 Middleton Rd, Caldwell, ID 83605

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 4 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Ready-Mix Concrete Manufacturing327320

Where it is

43.68156, -116.60344 · CENSUS TIGER

COUNTY

Canyon County

METRO AREA

Boise City, ID

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Other plants nearby

Facility	City	Industry	Status	Distance
Maddens Ready Mix	Caldwell	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	1.7 KM
Maddens Facility (suncore Construction & Materials)	Caldwell	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	1.7 KM
Amcor Precast	Nampa	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	7.9 KM
Idaho Concrete Company Site	Caldwell	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	8.6 KM
Knife River	Nampa	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	11.2 KM

Every listed plant in Canyon County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 7 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 EIS, IDDEQ, NPDES, TRIS · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 278134 · first seen DEC 2025 · last seen DEC 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA ECHO compliance recordsOPERATING
first seen DEC 2020 · last seen DEC 2020
EPA Facility Registry ServiceEXISTENCE
Record 110025317477 · first seen JUN 2017 · last seen JUN 2017

ALSO RECORDED ASMiddleton (2)

IN CANYON COUNTY16 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 3 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: ICCO MIDDELTON · OCT 2026
Street address: EPA: 21250 MIDDLETON RD · OCT 2026
City: EPA: CALDWELL · OCT 2026
State: EPA: ID · OCT 2026
County (FIPS code): EPA: 16027 · OCT 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 43.684890372284,-116.613114668476 · JUL 2026; EPA: 43.68156,-116.603436 · OCT 2026 · ON THIS PAGE
Employees (band): OSHA: 20-99 · DEC 2025

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