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48-0170 — Chemical manufacturing facility for semiconductor-grade chemicals including hydrochloric acid and ammonium hydroxide, with associated warehousing, labs, and offices. Future phases may include semiconductor-grade sulfuric acid production. in Casa Grande, AZ

KPPC is seeking a Conditional Use Permit to construct a 26-acre chemical manufacturing facility in an I-2 zoned area, with planned production of semiconductor-grade chemicals and potentially sulfuric acid in future phases. The facility will generate an estimated 61 AM/PM peak trips and 10-12 truck deliveries daily, raising traffic and hazardous materials transportation concerns. The permit request failed on a 4-3 vote at the Planning & Zoning Commission hearing.

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Property & nearby activity

Case history

Every time this case appeared on an agenda we watched, and what changed.

• First seen — 2026-07-26: First seen on an agenda (backfilled from our archive) · Casa Grande Planning & Zoning Commission

Also on the 2026-02-05 Casa Grande agenda

• 27-6180 — Permanent Residential Leasing Office
• DSA-22-00176 — Permanent leasing office for build-to-rent community housing products
• 11-058F — Coffee/Donut Shop with Drive-Through Window (Dutch Bros Coffee)
• DSA-10-00279 — Convenience Food Restaurant (Dutch Bros Coffee) with Double Drive-Through Facility

Other Casa Grande rezoning cases

• DSA-25-00081 — Convenience Food Restaurant (Dutch Bros Coffee) with drive-through facility