ICIS-AIR WI0000005511300003

LOUISIANA-PACIFIC CORPORATION - HAYWARD, Hayward, WI: Clean Air Act compliance record, inspections, violations, penalties

OperatingOperating status
Major sourceEmissions classification
No Violation IdentifiedCurrent violation status, as filed
10Compliance evaluations since January 1, 2017
0High-priority violations since January 1, 2017
0Formal enforcement actions since January 1, 2017

LOUISIANA-PACIFIC CORPORATION - HAYWARD is on EPA’s ICIS-AIR register at 16571 W US HIGHWAY 63, Hayward in Shawano County, Wisconsin: operating status operating, emissions classification major source, current violation status “No Violation Identified”.

What stands out

The newest of the 20 events on file is a stack test dated September 1, 2026.
Its events on file run from April 17, 2018 through September 1, 2026.
Of its 10 compliance evaluations on file, 4 are a full compliance evaluation.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filed	LOUISIANA-PACIFIC CORPORATION - HAYWARD
ICIS-AIR ID	WI0000005511300003
EPA facility registry ID	110000594296
Operating status	Operating
Emissions classification	Major source
Current violation status (HPV field)	No Violation Identified
Address	16571 W US HIGHWAY 63, Hayward, WI 548437841
County	Shawano County
In a nonattainment county	No (EPA Green Book)
Industry (NAICS)	Wood product manufacturing (NAICS 3212)
SIC code	2493
EPA region	05

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

10Evaluations since January 1, 2017
4Full compliance evaluations

Date	What EPA recorded	Agency	Programs
August 3, 2026	PCE Off-Site	State	Title V Permits
February 2, 2026	PCE Off-Site	State	Title V Permits
June 16, 2025	PCE On-Site	U.S. EPA	State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 29, 2025	PCE Off-Site	State	Title V Permits
January 29, 2025	PCE Off-Site	State	Title V Permits
September 17, 2024	PCE Off-Site	State	Title V Permits
August 26, 2024	FCE On-Site	State	Title V Permits
September 14, 2022	FCE On-Site	State	Title V Permits
September 16, 2020	FCE On-Site	State	Title V Permits
May 3, 2018	FCE On-Site	State	Title V Permits

Violations

1Violation determinations since January 1, 2017
0Of them high-priority

What high-priority and federally reportable violations mean.

Date	What EPA recorded	Agency	Programs
April 17, 2018	Earliest FRV determination	State	Title V Permits

Enforcement and penalties

0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

Informal enforcement

Date	What EPA recorded	Agency
December 10, 2025	Other Response - No Further Action	U.S. EPA
May 3, 2018	Warning Letter	State

Stack tests

7Stack tests since January 1, 2017
0Recorded as failed

Date	What EPA recorded	Agency
September 1, 2026	Pass	State
September 23, 2024	Pass	State
November 8, 2023	Pass	State
June 7, 2023	Pass	State
November 15, 2022	Pass	State
September 13, 2022	Pass	State
September 22, 2020	Pass	State

Watch LOUISIANA-PACIFIC CORPORATION - HAYWARD

Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110000594296).

Other air sources in Wisconsin beside LOUISIANA-PACIFIC CORPORATION - HAYWARD

EPA ICIS-AIR download, loaded September 14, 2026.