Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Air Quality Implementation Plans

EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Wisconsin SIP

EPA-Approved Wisconsin Nonregulatory and Quasi-Regulatory Provisions

Name of nonregulatory SIP provision

Applicable geographic or nonattainment area

State submittal date

EPA approval date

Comments

Control Strategy (IPP)

Southeast Wisconsin Interstate

3/3/1972

3/2/1976, 41 FR 8956

 

Air Quality Monitoring Network

Statewide

4/18/1980,
9/15/1980

6/9/1981, 46 FR 30496

 

PM-10 Committal SIPs

Group II areas within the Cities of DePere, Madison, Milwaukee, Superior, and Waukesha

4/30/1988
and 3/30/1990

8/14/1990, 55 FR 33118

 

Photochemical assessment ambient monitoring system (PAMS)

Statewide

11/15/1993

3/18/1994, 59 FR 12851

 

Transportation Conformity

Statewide

8/1/2013

2/27/2014, 79 FR 10995

 

Attainment Plans

Carbon Monoxide

Green Bay and Madison areas

7/12/1979,
9/4/1979,
2/28/1980,
8/12/1980,
9/25/1980,
11/4/1980
and 4/9/1981

8/20/1981, 46 FR 42269

Brown and Dane Counties.

Carbon Monoxide

Milwaukee area

3/8/1983

3/9/1984, 49 FR 8920

Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha Counties.

Lead NAAQS (1978)

Statewide

9/20/1983,
2/14/1984,
and 3/14/1984

11/6/1984, 49 FR 44287

 

Ozone 1-Hour

Green Bay and Madison areas

7/12/1979,
9/4/1979,
2/28/1980,
8/12/1980,
9/25/1980,
11/4/1980
and 4/9/1981

8/20/1981, 46 FR 42269

Brown and Dane Counties.

Ozone 1-Hour

Milwaukee area

3/8/1983

3/9/1984, 49 FR 8920

Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha Counties.

Ozone 1-Hour

Statewide

1/24/1985

6/28/1985, 50 FR 26735

Test Methods for Petroleum Dry Cleaning Sources incorporated as part of State's “Air Management Operations Handbook” and element of State's VOC RACT program.

Ozone 1-Hour

Kewaunee, Manitowoc, Sheboygan and Milwaukee areas

6/30/1994

7/28/1995, 60 FR 38722

Facilities subject to the post-enactment CTG source categories listed in Appendix E to the General Preamble. Includes cleanup solvents, offset lithography, plastic parts coating, and wood furniture coating facilities. The Milwaukee area includes Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties.

Ozone 1-Hour

Door, Kenosha, Kewaunee, Manitowoc, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, and Waukesha Counties

7/13/1994

1/26/1996, 61 FR 2428

NOX RACT, NSR, vehicle IM, and general conformity exemptions.

Ozone 1-Hour

Milwaukee and Manitowoc

7/10/1996

2/3/1998, 63 FR 5460

 

Ozone 1-Hour

Milwaukee-Racine

12/11/1997,
8/5/1999,
1/31/2000,
3/3/2000,
and 2/21/2001

10/10/2001, 66 FR 51572

Post-1996 ROP plan for Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties.

Ozone 1-Hour

Milwaukee-Racine

12/27/2000,
5/28/2001,
6/6/2001,
and 8/29/2001

11/13/2001, 66 FR 56931

Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties.

Ozone NAAQS (1997)

Walworth County

9/8/2000

10/26/2000, 65 FR 64142

Revised motor vehicle emissions budgets.

Ozone NAAQS (1997)

Milwaukee-Racine, WI

1/31/2003

6/20/2003, 68 FR 36917

Revised motor vehicle emissions budgets for Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties.

Ozone NAAQS (1997)

Sheboygan County

1/31/2003

6/20/2003, 68 FR 36917

Revised motor vehicle emissions budgets. Includes Inland and Shoreline Sheboygan Counties.

Ozone NAAQS (2008)

Sheboygan County

1/16/2015

7/6/2015, 80 FR 38400

Early Progress Plan and motor vehicle emissions budgets. Includes Inland and Shoreline Sheboygan Counties.

Ozone NAAQS (2008)

Chicago-Naperville, IL-IN-WI

1/16/2015

8/23/2016, 81 FR 57463

Early Progress Plan and motor vehicle emissions budgets for Kenosha County (part).

Ozone NAAQS (2008)

Chicago-Naperville, IL-IN-WI

8/15/2016,
4/17/2017
and 1/23/2018

2/13/2019, 84 FR 3701

Kenosha County (part).

Ozone NAAQS (2008)

Chicago-Naperville, IL-IN-WI

12/1/2020

3/1/2022, 87 FR 11310

Kenosha County (part) Serious Plan Elements.

Ozone NAAQS (2008)

Chicago-Naperville, IL-IN-WI and Sheboygan County

7/19/2018

5/3/2019, 84 FR 18989

NSR requirements for marginal and moderate ozone nonattainment areas.

Ozone NAAQS (2015)

Statewide

7/27/2021

1/19/2022, 87 FR 2719

NNSR certification.

SO2 NAAQS (2010)

Rhinelander, WI

1/22/2016,
7/18/2016,
11/29/2016,
3/29/2021

10/22/2021, 86 FR 58577

Oneida County (part)—City of Rhinelander and Crescent, Newbold, Pine Lake, and Pelican Townships.

Maintenance Plans

Ozone 1-Hour

Kewaunee, Sheboygan, and Walworth Counties

12/15/1995
and 5/15/1996

8/26/1996, 60 FR 43668

 

Ozone 1-Hour

Door and Manitowoc Counties

1/28/2003,
2/5/2003
and 2/27/2003

4/17/2003, 68 FR 18883

 

Ozone 1-Hour

Kewaunee County

1/28/2003,
2/5/2003
and 2/27/2003

5/10/2004, 69 FR 25835

Revised maintenance plan.

Ozone NAAQS (1997)

Kewaunee County

6/12/2007

5/21/2008, 73 FR 29436

 

Ozone NAAQS (1997)

Door and Manitowoc County areas

9/11/2009

7/12/2010, 75 FR 39635

 

Ozone NAAQS (1997)

Milwaukee-Racine

9/11/2009,
11/16/2011

7/31/2012, 77 FR 45252

Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties.

Ozone NAAQS (1997)

Door County, Kewaunee County, Manitowoc County, and Milwaukee-Racine areas

12/13/2019

6/16/2020, 85 FR 36342

2nd Maintenance Plans.

Ozone NAAQS (2008)

Inland Sheboygan County

10/9/2019

7/10/2020, 85 FR 41400

 

Ozone NAAQS (2008)

Shoreline Sheboygan County

2/11/2020

7/10/2020, 85 FR 41405

 

Ozone NAAQS (2008)

Chicago-Naperville, IL-IN-WI

12/3/2021

4/11/2022, 87 FR 21027

Kenosha County (part).

Ozone NAAQS (2015)

Door County (part)

1/27/2020

6/10/2020, 85 FR 35377

Newport State Park Boundary.

Ozone NAAQS (2015)

Manitowoc County

10/29/2021

3/31/2022, 87 FR 18702

 

Ozone NAAQS (2015)

Door County-Revised (part)

1/5/2022

4/29/2022, 87 FR 25410

 

PM2.5 NAAQS (2006)

Milwaukee-Racine, WI

6/8/2012

4/22/2014, 79 FR 22415

Milwaukee, Racine and Waukesha Counties.

PM2.5 NAAQS (2006)

Milwaukee-Racine, WI

12/23/2015

2/22/2016, 81 FR 8654

Revised maintenance plan for Milwaukee, Racine and Waukesha Counties.

PM2.5 NAAQS (2006)

Milwaukee-Racine, WI

4/8/2022

7/9/2024, 89 FR 56231

Second Limited Maintenance Plan for Milwaukee-Racine.

SO2 NAAQS (1971)

Dane County

6/9/1992

5/24/1993, 58 FR 29787

City of Madison.

SO2 NAAQS (1971)

Milwaukee County

6/12/1992

5/24/1993, 58 FR 29783

City of Milwaukee.

SO2 NAAQS (1971)

Oneida County

11/5/1999

11/15/2000, 65 FR 68901

City of Rhinelander.

SO2 NAAQS (1971)

Marathon County

11/17/2000

5/29/2002, 67 FR 37328

Villages of Rothschild and Weston and Township of Rib Mountain.

SO2 NAAQS (2010)

Rhinelander, WI

7/28/2021

1/12/2022, 87 FR 1685

Oneida County (part)—City of Rhinelander and Crescent, Newbold, Pine Lake, and Pelican Townships.

Determinations of Attainment

Ozone 1-Hour

Milwaukee-Racine

7/28/2008

4/24/2009, 74 FR 18641

Determination of attainment of the revoked 1-hour ozone NAAQS for Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties.

Ozone NAAQS (1997)

Door County

 

7/12/2010, 75 FR 39635

 

Ozone NAAQS (1997)

Manitowoc County

 

7/12/2010, 75 FR 39635

 

Ozone NAAQS (1997)

Milwaukee-Racine

 

3/1/2011, 76 FR 11080

Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties.

Ozone NAAQS (1997)

Sheboygan County

 

3/1/2011, 76 FR 11080

Includes Inland and Shoreline Sheboygan Counties

Ozone NAAQS (2008)

Inland Sheboygan County

 

7/15/2019, 84 FR 33699

 

Ozone NAAQS (2008)

Chicago-Naperville, IL-IN-WI

 

4/11/2022, 87 FR 21027

Kenosha County (part).

Ozone NAAQS (2015)

Door County (part)

 

6/10/2020, 85 FR 35377

Newport State Park Boundary.

Ozone NAAQS (2015)

Door County-Revised (part)

 

4/29/2022, 87 FR 25410

 

PM-2.5 NAAQS (2006)

Milwaukee-Racine

 

4/22/2014, 79 FR 22415

Milwaukee, Racine and Waukesha Counties.

Infrastructure Requirements

Lead NAAQS (2008)

Statewide

7/26/2012,
7/2/2015
and 8/8/2016

2/7/2017, 82 FR 9515

Fully approved for all CAA elements.

NO2 NAAQS (2010)

Statewide

6/20/2013,
1/28/2015,
7/2/2015
and 8/8/2016

2/7/2017, 82 FR 9515

Fully approved for all CAA elements.

Ozone NAAQS (1997)

Statewide

12/12/2007,
1/24/2011,
3/28/2011,
7/2/2015
and 8/8/2016

2/7/2017, 82 FR 9515

Fully approved for all CAA elements except (D)(i)(I).

Ozone NAAQS (2008)

Statewide

6/20/2013,
1/28/2015,
7/2/2015
and 8/8/2016

2/7/2017, 82 FR 9515

Fully approved for all CAA elements except prong 2 of (D)(i)(I).

Ozone NAAQS (2015)

Statewide

9/14/2018
and 8/3/2022

8/30/2024, 89 FR 70500

Fully approved for all CAA elements except prong 2 of (D)(i)(I).

PM2.5 NAAQS (1997)

Statewide

12/12/2007,
1/24/2011,
3/28/2011,
7/2/2015
and 8/8/2016

2/7/2017, 82 FR 9515

Fully approved for all CAA elements except (D)(i)(I).

PM2.5 NAAQS (2006)

Statewide

1/24/2011,
3/28/2011,
7/2/2015
and 8/8/2016

2/7/2017, 82 FR 9515

Fully approved for all CAA elements except (D)(i)(I).

PM2.5 NAAQS (2012)

Statewide

7/13/2015
and 8/8/2016

7/24/2023, 88 FR 47375

Fully approved for all CAA elements.

SO2 NAAQS (2010)

Statewide

6/20/2013,
1/28/2015,
7/2/2015
and 8/8/2016

2/7/2017, 82 FR 9515

Fully approved for all CAA elements except (D)(i)(I).

Negative Declarations

VOC source categories

Statewide

9/19/1984,
11/7/1984
and 6/6/1986

11/24/1986, 51 FR 42221

Includes: High-density polyethylene, polypropylene, and polystyrene resin manufacturers, Natural gas/gasoline processing plants leaks, and Synthetic organic chemical manufacturing industry sources (SOCMI) leaks and oxidation.

Pre-1990 CTG categories

Statewide

4/17/1990
and 6/30/1994

7/28/1995, 60 FR 38722

Includes: Leaks from petroleum refinery equipment; Manufacture of synthesized pharmaceutical products; Manufacture of pneumatic rubber tires; Automobile and light duty truck manufacturing; Fire truck and emergency response vehicle manufacturing; Manufacture of high-density polyethylene, polypropylene, and polystyrene resins, a.k.a. polymer manufacturing; Leaks from synthetic organic chemical and polymer manufacturing equipment; Air oxidation processes at synthetic organic chemical manufacturing industries; and Equipment leaks from natural gas/gasoline processing plants.

Post-1990 CTGs not incorporated into Wisconsin Administrative Code

Inland Sheboygan County

10/9/2019

7/10/2020, 85 FR 41400

Includes: shipbuilding and ship repair (1996), aerospace manufacturing (1997), fiberglass boat manufacturing (2008), miscellaneous industrial adhesives (2008), miscellaneous metal and plastic parts coatings (2008), automobile and light-duty truck assembly coatings (2008), and oil and natural gas industry (2016).

Post-1990 CTGs not incorporated into Wisconsin Administrative Code and non-CTG major sources

Shoreline Sheboygan County

2/11/2020

7/10/2020 85 FR 41405

Includes: shipbuilding and ship repair (1996), aerospace manufacturing (1997), fiberglass boat manufacturing (2008), miscellaneous industrial adhesives (2008), miscellaneous metal and plastic parts coatings (2008), automobile and light-duty truck assembly coatings (2008), and oil and natural gas industry (2016). EPA also approved negative declaration for non-CTG major sources.

Post-1990 CTGs not incorporated into Wisconsin Administrative Code

Chicago-Naperville, IL-IN-WI

12/1/2020

3/1/2022, 87 FR 11310

Includes: shipbuilding and ship repair (1996), aerospace manufacturing (1997), fiberglass boat manufacturing (2008), miscellaneous industrial adhesives (2008), miscellaneous metal and plastic parts coatings (2008), automobile and light-duty truck assembly coatings (2008), and oil and natural gas industry (2016).

Emission Inventories

Ozone NAAQS (1997)

Door, Kewaunee, Manitowoc, Milwaukee-Racine, Sheboygan and Walworth Areas

1/15/1993

6/15/1994, 59 FR 30702

1990 base year emissions inventories for Door, Kenosha, Kewaunee, Manitowoc, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, and Waukesha Counties.

Ozone NAAQS (1997)

Milwaukee-Racine

1/28/2003,
2/5/2003
and 2/27/2003

4/17/2003, 68 FR 18883

1999 periodic emissions inventory for Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties.

Ozone NAAQS (1997)

Manitowoc and Door Counties

6/12/2007
and 9/11/2009

7/12/2010, 75 FR 39635

2005 base year emissions inventories.

Ozone NAAQS (1997)

Milwaukee-Racine and Sheboygan

9/11/2009,
11/16/2011

7/31/2012, 77 FR 45252

2005 base year emissions inventories for Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Washington, and Waukesha Counties.

Ozone NAAQS (2008)

Chicago-Naperville, IL-IN-WI and Sheboygan County

11/14/2014

3/7/2016, 81 FR 11673

Includes Kenosha County (part), Inland and Shoreline Sheboygan Counties.

Ozone NAAQS (2015)

Manitowoc County

10/29/2021

3/31/2022, 87 FR 18702

2017 base year emissions inventory.

Ozone NAAQS (2015)

Door County-Revised (part)

1/5/2022

4/29/2022, 87 FR 25410

2014 base year emissions inventory.

PM2.5 NAAQS (2006)

Milwaukee-Racine, WI

6/8/2012
and 5/30/2013

4/22/2014, 79 FR 22417

Milwaukee, Racine and Waukesha Counties.

Site-Specific SO 2 Emission Limits

Jacob Leinenkugel Brewing Company

 

9/29/1986

5/21/1993, 58 FR 29537

AO 86-609037440-N01 Limiting the emissions and operation of Boiler #20 at the facility in Chippewa Falls, Chippewa County, Wisconsin.

Rock Road of Wisconsin

 

9/29/1986

5/21/1993, 58 FR 29537

AO 86-999019320-J01 Limiting the emissions and operation of fuel burning equipment at the facility in Janesville, Rock County, Wisconsin.

Visibility Protection

Regional Haze Plan

Statewide

1/18/2012
and 6/7/2012

8/7/2012, 77 FR 46952

First implementation period.

Regional Haze Five-Year Progress Report

Statewide

3/17/2017

6/15/2018, 83 FR 27912

First implementation period.

Regional Haze Plan

Statewide

7/30/2021

11/19/2024, 89 FR 91269

Second implementation period.

Air Quality Implementation Plans

  • About Air Quality Implementation Plans
  • Approved Air Quality Implementation Plans
  • Develop an Air Quality SIP
  • Find a Regional Contact for Air Quality SIPs/FIPS/TIPs
  • Tools for SIP Status
Contact Us about Air Quality Implementation Plans
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 29, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.