US Environmental Protection Agency, Office of Mobile Sources
List of Reformulated Gasoline Program Areas
April 5,1999
Clean Air Act
Required Areas:
LOS ANGELES - South Coast Air Basin, South East Desert, Ventura, CA
- Los Angeles County, CA
- Ventura County, CA
- Orange County, CA
- San Bernardino County (partial), CA
- Riverside County (partial), CA
SAN DIEGO County, CA
- San Diego County, CA
liARTFORD - New Haven - Waterbury, CT
- Hartford County (partial), CT
- Litchfield County (partial), CT
- Middlesex County (partial), CT
- New London County (partial), CT
- New Haven County (partial), CT
- Tolland County (partial), CT
NEW YORK - Northern New Jersey - Long Island - Connecticut area, NY-NJ-CT
- Fairfield County, CT
- Litchfield County, (partial), CT
- New Haven County (partial), CT
- Bergen County, NJ
- Essex County, NJ
- Hudson County, NJ
- Hunterdon County, NJ
- Middlesex County, NJ
- Monmouth County, NJ
- Morris County, NJ
- Ocean County, NJ
- Passaic County, NJ
- Somerset County, NJ
- Sussex County, NJ
- Union County, NJ
- Bronx County, NY
- Kings County, NY
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- Nassau County, NY
- New York County, NY
- Orange County, NY
- Putnam, NY
- Queens County, NY
- Richmond County, NY
- Rockland County, NY
- Suffolk County, NY
- Westchester County, NY
PHILADELPHIA - Wilmington - Trenton - Cecil County, MD area PA-NJ-DE-MD
- New Castle County, DE
- Kent County, DE
- Cecil County, MD
- Burlington County, NJ
- Camden County, NJ
- Cumberland County, NJ
- Gloucester County, NJ
- Mercer County, NJ
- Salem County, NJ
- Bucks County, PA
- Chester County, PA
- Delaware County, PA
- Montgomery County, PA
- Philadelphia County, PA
CHICAGO - Gary - Lake County, IL - Indiana - Wisconsin area
- Cook County, IL
- Du Page County, IL
- Kane County, IL
- Lake County, IL
- McHenry County, IL
- Will County, IL
- Grundy County, IL, (partial)
- Kendall County, IL,( partial)
- Lake County, IN
- Porter County, DSf
BALTIMORE, MD
- Anne Arundel County, MD
- Baltimore County, MD
- Carroll County, MD
- Harford County, MD
- Howard County, MD
- The City of Baltimore, MD
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HOUSTON - Galveston - Brazoria, TX
- Brazoria County, TX
- Chambers County, TX
- Fort Bend County, TX
- Galveston County, TX
- Harris County, TX
- Liberty County, TX
- Montgomery County, TX
- Waller County, TX
MILWAUKEE - Racine, WI
- Kenosha County, WI
- Milwaukee County, WI
- Ozaukee County, WI
- Racine County, WI
- Washington County, WI
- Waukesha County, WI
SACRAMENTO, CA * (newly required area)
- El Dorado County (partial), CA
- Placer County (partial), CA
- Sacramento County, CA
- Solano County (partial), CA
- Sutter County (partial), CA
- Yolo County, CA
* Reclassification of Sacramento from Serious to Severe was
effective June 1, 1995. RFG was required as of June 1, 1996.
"Opt-In" Areas (Voluntary):
CONNECTICUT, The Entire State 1
- Litchfield County (partial), CT
- Hartford County (partial), CT
- Middlesex County (partial), CT
- New London County (partial), CT
- Tolland County (partial), CT
- Windham County, CT
DELAWARE, The Entire State 1
Sussex nonattainment area
- Sussex County, DE
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DISTRICT OF COLUMBIA
Washington, DC-MD-VA area (DC portion)
- Entire District of Columbia
KENTUCKY
Cincinnati-Hamilton KY-OH area (KY portion)
- Boone County, KY
- Campbell County, KY
- Kenton County, KY
Louisville, KY-IN area (KY portion)
- Jefferson County, KY
- Bullitt County (partial), KY
- Oldham County (partial), KY
MARYLAND
Washington, DC-MD-VA area (MD portion)
- Calvert County, MD
- Charles County, MD
- Frederick County, MD
- Montgomery County, MD
- Prince Georges County, MD
Kent & Queen Anne's nonattainment area
- Queen Anne's County, MD
- Kent County, MD
JV1ASSACHUSETTS, The Entire State 1
Boston-Lawrence-Worcester (E. MA)
- Barnstable County, MA
- Bristol County, MA
- Dukes County, MA
- Essex County, MA
- Middlesex County, MA
- Nantucket County, MA
- Norfolk County, MA
- Plymouth County, MA
- Suffolk County, MA
- Worcester County, MA
Springfield (Western MA) nonattainment areas
- Berkshire County, MA
- Franklin County, MA
- Hampden County, MA
- Hampshire County, MA
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MISSOURI (Effective Opt-In Date is June 1, 1999)
St. Louis nonattainment area
- St. Louis County
- St Louis (city)
- Franklin County
- Jefferson County
- St. Charles County
NEW HAMPSHIRE
Boston-Lawrence-Worcester, MA-NH nonattainment area (NH portion)
- Hillsborough County, NH
- Rockingham County, NH
- Merrimack County, NH
- Strafford County, NH
NEW JERSEY, The Entire State 1
Allentown-Bethlehem-Easton area (NJ portion)
- Warren County, NJ
Atlantic City nonattainment area
- Atlantic County, NJ
- Cape May County, NJ
NEW YORK
Essex nonattainment area
- Dutchess County, NY
- Essex County (partial), NY
RHODE ISLAND, The Entire State
Providence nonattainment area
- Bristol County, RI
- Kent County, RI
- Newport County, RI
- Providence County, RI
- Washington County, RI
TEXAS
Dallas-Fort Worth nonattainment area
- Collin County, TX
- Dallas County, TX
- Denton County, TX
- Tarrant County, TX
VIRGINIA
Washington DC-MD-VA area (VA portion)
- Alexandria, VA
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- Arlington County, VA
- Fairfax, VA
- Fairfax County, VA
- Falls Church, VA
- Loudoun County, VA
- Manassas, VA
- Manassas Park, VA
- Prince William County, VA
- Stafford County, VA
Richmond, VA nonattainment area
- Charles City County, VA
- Chesterfield County, VA
- Colonial Heights, VA
- Hanover County, VA
- Henrico County, VA
- Hopewell, VA
- Richmond, VA
Norfolk-Virginia Beach-Newport News area
- Chesapeake, VA
- Hampton, VA
- James City County, VA
- Newport News, VA
- Norfolk, VA
- Poquoson, VA
- Portsmouth, VA
- Suffolk, VA
- Virginia Beach, VA
- Williamsburg, VA
- York County, VA.
"Opt-Out" Areas:
Note: These "Opt-Out" areas withdrew from the federal RFG program
before it went into effect on January 1, 1995. See below for
details.
MAINE
Hancock and Waldo Counties, ME
- Hancock County
- Waldo County
PENNSYLVANIA
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Allentown - Bethlehem - Eastern, PA
- Carbon County
- Lehigh County
- Northampton County
Altoona, PA
- Blair County
Erie, PA
- Erie County
Harrisburg - Lebanon - Carlisle, PA
- Cumberland County
- Dauphin County
- Lebanon County
- Perry County
Johnstown, PA
- Cambria County
- Somerset County
Lancaster, PA
- Lancaster County
Pittsburgh - Beaver Valley, PA
- Allegheny County
- Beaver County
- Fayette County
- Washington County
- Westmoreland County
- Armstrong County
- Butler County
Reading, PA
- Berks County
Scranton - Wilkes-Barre, PA
- Columbia County
- Lackawanna County
- Luzerne County
- Monroe County
- Wyoming County
York, PA
- Adams County
- York County
Youngstown, OH - Warren, OH - Sharon, PA*
- Mercer, PA
* Ohio counties have not opted-in.
NEW YORK
Albany - Schenectady - Troy, NY
- Albany County
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- Greene County
- Montgomery County
- Rensselear County
- Saratoga County
- Schenectady County
Jefferson County, NY
Buffalo - Niagara Falls, NY
- Erie County
- Niagara County
A proposed rule to remove the above "opt-out" areas from the
requirements of the reformulated gasoline program was published
June 14, 1995. [On January 1,1995, a temporary exemption of the
FIFO requirements in these areas went into effect. On July 1, 1995
this stay was extended until the Agency took final action].
The final rule, published July 8, 1996 [61 FR 35673], formally
temoved these areas from the list of RFG covered areas and
provided states with general opt-out procedures.
The July 8 final rule was superseded by a final rule published
October 20, 1997 [62 FR 54552], revising the opt-out procedures.
ARIZONA
Phoenix nonattainment area
- Maricopa County (partial), AZ
Phoenix opted in the RFG program in 1997; retail stations were
required to supply RFG by August 4, 1997.
In September 1997, the Governor of Arizona submitted an RFG
opt-out petition for purposes of adopting a more stringent state
RFG program in Phoenix.
EPA approved the opt-out petition which became effective on June
10, 1998.
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MAINE
The following counties in Maine "opted-out" of the RFG program - the effective opt-out date
was March 10, 1999:
Knox & Lincoln nonattainment area
- Knox County, ME
- Lincoln County, ME
Lewiston-Auburn nonattainment area
- Androscoggin County, ME
- Kennebec County, ME
Portland nonattainment area
- Cumberland County, ME
- Sagadahoc County, ME
- York County, ME
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