§ 81.307 - Connecticut.

§ 81.307 Connecticut.

Connecticut—TSP

Designated area	Does not meet primary standards	Does not meet secondary standards	Cannot be classified	Better than national standards
AQCR 41				X
AQCR 42				X
AQCR 43				X
AQCR 44				X

Connecticut—1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated area	Does not meet primary standards	Does not meet secondary standards	Cannot be classified	Better than national standards
AQCR 41				X
AQCR 42				X
AQCR 43				X
AQCR 44				X

Connecticut—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area1	Designation
	Date2	Type
State of Connecticut		Attainment/Unclassifiable.

¹ Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

² This date is April 9, 2018, unless otherwise noted.

Connecticut—Carbon Monoxide

Designated area	Designation		Classification
	Date1	Type	Date1	Type
Hartford-New Britain-Middletown Area:
Hartford County (part)	1/2/96	Attainment
Bristol City, Burlington Town, Avon Town, Bloomfield Town, Canton Town, E. Granby Town, E. Hartford Town, E. Windsor Town, Enfield Town, Farmington Town, Glastonbury Town, Granby Town, Hartford city, Manchester Town, Marlborough Town, Newington Town, Rocky Hill Town, Simsbury Town, S. Windsor Town, Suffield Town, W. Hartford Town, Wethersfield Town, Windsor Town, Windsor Locks Town, Berlin Town, New Britain city, Plainville Town, and Southington Town
Litchfield County (part)	1/2/96	Attainment
Plymouth Town
Middlesex County (part)	1/2/96	Attainment
Cromwell Town, Durham Town, E. Hampton Town, Haddam Town, Middlefield Town, Middletown City, Portland Town, E. Haddam Town
Tolland County (part)	1/2/96	Attainment
Andover Town, Bolton Town, Ellington Town, Hebron Town, Somers Town, Tolland Town, and Vernon Town
New Haven—Meriden—Waterbury Area:
Fairfield County (part)	12/4/98	Attainment
Shelton City
Litchfield County (part)	12/4/98	Attainment
Bethlehem Town, Thomaston Town, Watertown, Woodbury Town
New Haven County	12/4/98	Attainment
New York-N. ew Jersey-Long Island Area:
Fairfield County (part)	5/10/99	Attainment
All cities and townships except Shelton City
Litchfield County (part)	5/10/99	Attainment
Bridgewater Town, New Milford Town
AQCR 041 Eastern Connecticut Intrastate		Unclassifiable/Attainment
Middlesex County (part)
All portions except cities and towns in Hartford Area
New London County
Tolland County (part)
All portions except cities and towns in Hartford Area
Windham County
AQCR 044 Northwestern Connecticut Intrastate		Unclassifiable/Attainment
Hartford County (part) Hartland Township
Litchfield County (part)
All portions except cities and towns in Hartford, New Haven, and New York Areas

¹ This date is November 15, 1990, unless otherwise noted.

Connecticut—Ozone (1-Hour Standard)²

Designated area	Designation		Classification
	Date1	Type	Date1	Type
Greater Connecticut Area:
Fairfield County (part)		Nonattainment		Serious.
Shelton City
Hartford County		Nonattainment		Serious.
Litchfield County (part)		Nonattainment		Serious.
all cities and townships except: Bridgewater Town, New Milford Town
Middlesex County		Nonattainment		Serious.
New Haven County		Nonattainment		Serious.
New London County		Nonattainment		Serious.
Tolland County		Nonattainment		Serious.
Windham County		Nonattainment		Serious.
New York—N. New Jersey-Long Island Area:
Fairfield County (part)		Nonattainment		Severe-17.
all cities and towns except Shelton City
Litchfield County (part)		Nonattainment		Severe-17.
Bridgewater Town, New Milford Town

¹ This date is November 15, 1990, unless otherwise noted.

² The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Connecticut.

Connecticut—PM-10

Designated Area	Designation		Classification
	Date	Type	Date	Type
New Haven County
City of New Haven	12/12/05	Attainment
Rest of State	11/15/90	Unclassifiable

Connecticut—1997 Annual PM_2.5 NAAQS

[Primary and Secondary]

Designated area	Designationa		Classification
	Date1	Type	Date	Type
New York-N. New Jersey-Long Island, NY-NJ-CT:
Fairfield County	10/24/13	Attainment.
New Haven County	10/24/13	Attainment.
Rest of State:
Hartford County		Unclassifiable/Attainment.
Litchfield County		Unclassifiable/Attainment.
Middlesex County		Unclassifiable/Attainment.
New London County		Unclassifiable/Attainment.
Tolland County		Unclassifiable/Attainment.
Windham County		Unclassifiable/Attainment.

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is 90 days after January 5, 2005, unless otherwise noted.

Connecticut—2012 Annual PM_2.5 NAAQS

[Primary]

Designated area1	Designation		Classification
	Date2	Type	Date2	Type
Statewide:
Fairfield County		Unclassifiable/Attainment
Hartford County		Unclassifiable/Attainment
Litchfield County		Unclassifiable/Attainment
Middlesex County		Unclassifiable/Attainment
New Haven County		Unclassifiable/Attainment
New London County		Unclassifiable/Attainment
Tolland County		Unclassifiable/Attainment
Windham County		Unclassifiable/Attainment

¹ Includes areas of Indian country located in each county or area, except as otherwise specified.

² This date is April 15, 2015, unless otherwise noted.

Connecticut—1997 24-Hour PM_2.5 NAAQS

[Primary and Secondary]

Designated area	Designationa		Classification
	Date1	Type	Date	Type
New York-N. New Jersey-Long Island, NY-NJ-CT:
Fairfield County		Unclassifiable/Attainment
New Haven County		Unclassifiable/Attainment
Rest of State:
Hartford County		Unclassifiable/Attainment
Litchfield County		Unclassifiable/Attainment
Middlesex County		Unclassifiable/Attainment
New London County		Unclassifiable/Attainment
Tolland County		Unclassifiable/Attainment
Windham County		Unclassifiable/Attainment

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is 90 days after January 5, 2005, unless otherwise noted

Connecticut—2006 24-Hour PM_2.5 NAAQS

[Primary and Secondary]

Designated area	Designationa		Classification
	Date1	Type	Date	Type
New York-N. New Jersey-Long Island, NY-NJ-CT:
Fairfield County	10/24/13	Attainment.
New Haven County	10/24/13	Attainment.
Rest of State:
Hartford County		Unclassifiable/Attainment
Litchfield County		Unclassifiable/Attainment
Middlesex County		Unclassifiable/Attainment
New London County		Unclassifiable/Attainment
Tolland County		Unclassifiable/Attainment
Windham County		Unclassifiable/Attainment

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is 30 days after November 13, 2009, unless otherwise noted.

Connecticut—NO₂ (1971 Annual Standard)

Designated area	Does not meet primary standards	Cannot be classified or better than national standards
AQCR 41		X
AQCR 42		X
AQCR 43		X
AQCR 44		X

Connecticut—NO₂ (2010 1-Hour Standard)

Designated area	Designationa
	Date1	Type
State of Connecticut		Unclassifiable/Attainment.

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is 90 days after October 31, 2011, unless otherwise noted.

Connecticut—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area	Designationa		Category/classification
	Date1	Type	Date1	Type
Greater Connecticut, CT:
Hartford County		Nonattainment		Subpart 2/Moderate.
Litchfield County		Nonattainment		Subpart 2/Moderate.
New London County		Nonattainment		Subpart 2/Moderate.
Tolland County		Nonattainment		Subpart 2/Moderate.
Windham County		Nonattainment		Subpart 2/Moderate.
New York-N. New Jersey-Long Island, NY-NJ-CT:
Fairfield County		Nonattainment		Subpart 2/Moderate.
Middlesex County		Nonattainment		Subpart 2/Moderate.
New Haven County		Nonattainment		Subpart 2/Moderate.

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ This date is June 15, 2004, unless otherwise noted.

Connecticut—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area	Designation		Classification
	Date1	Type	Date1	Type
Greater Connecticut, CT:2		Nonattainment	9/23/2019	Serious.
Hartford County
Litchfield County
New London County
Tolland County
Windham County
Mashantucket Pequot Tribe of Connecticut3
Mohegan Indian Tribe of Connecticut3
New York-N. New Jersey-Long Island, NY-NJ-CT:2		Nonattainment	11/7/22	Severe.
Fairfield County
Middlesex County
New Haven County

¹ This date is July 20, 2012, unless otherwise noted.

² Excludes Indian country located in each area, unless otherwise noted.

³ Includes Indian country of the tribe listed in this table located in the identified area. Information pertaining to areas of Indian country in this table is intended for CAA planning purposes only and is not an EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is making no determination of Indian country boundaries, in this table.

Connecticut—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area1	Designation		Classification
	Date2	Type	Date2	Type
Greater Connecticut, CT		Nonattainment	11/7/22	Moderate.	Hartford County.	29/24	Serious.
Litchfield County. New
London Hartford County.
Tolland County.
Windham County.
New London County.
New York-Northern New Jersey-Long Island, NY-NJ-CT		Nonattainment	7/25/24	Serious.
Fairfield County.
Middlesex County.
New Haven County.
Mashantucket Pequot Tribal Nation		Nonattainment	8/3/18	Moderate.
Mohegan Indian Tribe		Nonattainment	8/3/18	Moderate.

¹ Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

² This date is August 3, 2018, unless otherwise noted.

Connecticut—2008 Lead NAAQS

Designated area	Designation for the 2008 NAAQSa
	Date1	Type
Whole State		Unclassifiable/Attainment.

^a Includes Indian Country located in each county or area, except as otherwise specified.

¹ December 31, 2011 unless otherwise noted.

[43 FR 8964, Mar. 3, 1978]

Editorial Note

Editorial Note:

For Federal Register citations affecting § 81.307, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.