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TRI Reporter Clean Air Act Clean Water Act RCRA

PIMALCO (A WHOLLY-OWNED SUBSIDIARY OF ALCOA)

Quick Summary

  • Released 266 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
  • Assessed $0 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
6833 W WILLIS RD
CHANDLER, AZ 85226
View on map ↗
County
MARICOPA County
Industry
Manufacturing
NAICS (North American Industry Classification)
331318
Total Penalties
$0
Registry ID
110000471212

How This Compares

#114 of 245 TRI reporters in AZ
#8,673 of 16,877 TRI reporters in Manufacturing

Ranked by most recent year's total TRI releases.

TRI Toxic Chemical Releases

Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.

Emissions Trend (2015–2024) +1408% overall
Year Total Releases (lbs) vs Prior Year
2015 327
2016 331 +1%
2017 266 -20%
2018 259 -3%
2020 101
2024 4,938

2024

Chemical Total (lbs) Air Water Land Off-Site
Copper 4,916 4,916
Lead 22 22 ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Copper 83 34 36 14 4,807
Lead 18 17 0 0 23 ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Copper 193 125 49 19 11,006
Lead 66 66 0 0 51 ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Copper 182 134 35 13 9,216
Lead 84 84 0 0 45 ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Copper 229 126 84 19 10,215
Lead 102 102 0 0 36 ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Copper 224 148 55 21 11,017
Lead 103 103 0 0 50 ♦ Carcinogen

Waste Management & Recycling

How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.

Chemical Released Recycled Energy Recovery Treated

Off-Site Transfer Destinations

Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.

Destination Chemical Disposal Recycling Energy Rec. Treatment
REAL ALLOY RECYCLING, INC.
SAPULPA, OK
Lead 40
CLEAN HARBORS ARIZONA
PHOENIX, AZ
Copper 4
REAL ALLOY RECYCLING, INC.
SAPULPA, OK
Copper 9,200
CLEAN HARBORS ARIZONA
PHOENIX, AZ
Lead 0

Transfers to Publicly-Owned Treatment Works (POTWs)

Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.

Chemical Transferred (lbs) POTW
Lead 5 CHANDLER WATER TREATMENT PLANT, CHANDLER
Copper 12 CHANDLER WATER TREATMENT PLANT, CHANDLER

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program Type Violation Date Return to Compliance Status
rcra Standards Applicable to Generators of HW: General Dec 2, 2004 Feb 14, 2005 Resolved
rcra Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators Dec 2, 2004 Feb 14, 2005 Resolved
rcra Standards for Used Oil: Generators Mar 3, 1998 Apr 3, 1998 Resolved

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant Violation Reported Limit Exceedance Period Status
Zinc, total [as Zn] DMR, Limited - Overdue 7.45 mg/L 0.26 +2,765% Mar 2017 Resolved
Zinc, total [as Zn] DMR, Limited - Overdue 1.09 mg/L 0.26 +319% Mar 2017 Resolved
Zinc, total [as Zn] DMR, Limited - Overdue 27.20 mg/L 0.26 +10,362% Mar 2017 Resolved
Zinc, total [as Zn] DMR, Limited - Overdue 8.67 mg/L 0.26 +3,235% Mar 2017 Resolved
Zinc, total [as Zn] DMR, Limited - Overdue 4.56 mg/L 0.26 +1,654% Mar 2017 Resolved
Zinc, total [as Zn] DMR, Limited - Overdue 0.39 mg/L 0.26 +50% Sep 2016 Resolved
Zinc, total [as Zn] DMR, Limited - Overdue 0.61 mg/L 0.26 +134% Sep 2016 Resolved
Zinc, total [as Zn] DMR, Limited - Overdue 0.52 mg/L 0.26 +101% Sep 2016 Resolved

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

INSPECTION REPORT WRITTEN
RCRA (Hazardous Waste) · Case RCRA-AZD982418204-001 · Apr 3, 1998
CWA 309A AO For Compliance
Clean Water Act · Case 09-1994-N024 · Jun 6, 1994

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