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Area/State/County Report
Areas with a Maintenance Plan Requirement Under Section 110(a)(1) of the CAA

Data is current as of June 15, 2005


   Beauregard Par, LA (Incomplete Data)
LOUISIANA (Region VI)
Beauregard Par
 
   Boston-Lawrence-Worcester (E. MA), MA-NH (Serious)
NEW HAMPSHIRE (Region I)
Hillsborough Co (P)
 
   Cherokee Co, SC (Marginal)
SOUTH CAROLINA (Region IV)
Cherokee Co
 
   Cheshire Co, NH (Incomplete Data)
NEW HAMPSHIRE (Region I)
Cheshire Co
 
   Crawford Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Crawford Co
 
   East Kern Co, CA (Serious)
CALIFORNIA (Region IX)
Kern Co (P)
 
   Edmonson Co, KY (Marginal RT)
KENTUCKY (Region IV)
Edmonson Co
 
   El Paso, TX (Serious)
TEXAS (Region VI)
El Paso Co
 
   Grant Par, LA (Incomplete Data)
LOUISIANA (Region VI)
Grant Par
 
   Greenbrier Co, WV (Marginal)
WEST VIRGINIA (Region III)
Greenbrier Co
 
   Greensboro-Winston Salem-High Point, NC
NORTH CAROLINA (Region IV)
Davidson Co
Davie Co (P)
Forsyth Co
Guilford Co
 
   Hancock & Waldo Cos, ME (Marginal)
MAINE (Region I)
Hancock Co (P)
Waldo Co (P)
 
   Huntington-Ashland, WV-KY (Moderate*)
KENTUCKY (Region IV)
Greenup Co (P)
 
   Jacksonville, FL (Section 185A)
FLORIDA (Region IV)
Duval Co
 
   Johnstown, PA (Marginal)
PENNSYLVANIA (Region III)
Somerset Co
 
   Juniata Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Juniata Co
 
   Kansas City, MO-KS (Other)
KANSAS (Region VII)
Johnson Co
Wyandotte Co
MISSOURI (Region VII)
Clay Co
Jackson Co
Platte Co
 
   Knox & Lincoln Co.s, ME (Moderate*)
MAINE (Region I)
Knox Co (P)
Lincoln Co (P)
 
   Lafayette, LA (Section 185A)
LOUISIANA (Region VI)
Lafayette Par
 
   Lafourche Par, LA (Incomplete Data)
LOUISIANA (Region VI)
Lafourche Par
 
   Lake Charles, LA (Marginal)
LOUISIANA (Region VI)
Calcasieu Par
 
   Lawrence Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Lawrence Co
 
   Lewiston-Auburn, ME (Moderate*)
MAINE (Region I)
Androscoggin Co (P)
Kennebec Co
 
   Lexington-Fayette, KY (Marginal)
KENTUCKY (Region IV)
Fayette Co
Scott Co
 
   Manchester, NH (Marginal)
NEW HAMPSHIRE (Region I)
Hillsborough Co (P)
Merrimack Co (P)
Rockingham Co (P)
 
   Miami-Fort Lauderdale-W. Palm Beach, FL (Moderate)
FLORIDA (Region IV)
Broward Co
Miami-Dade Co
Palm Beach Co
 
   Monterey Bay, CA (Moderate)
CALIFORNIA (Region IX)
Monterey Co
San Benito Co
Santa Cruz Co
 
   Nashville, TN (Moderate)
TENNESSEE (Region IV)
Davidson Co
Rutherford Co
Sumner Co
Williamson Co
Wilson Co
 
   New Orleans, LA (Section 185A)
LOUISIANA (Region VI)
Jefferson Par
Orleans Par
St Bernard Par
St Charles Par
 
   Northumberland Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Northumberland Co
 
   Owensboro, KY (Marginal)
KENTUCKY (Region IV)
Daviess Co
Hancock Co (P)
 
   Paducah, KY (Marginal)
KENTUCKY (Region IV)
Livingston Co (P)
Marshall Co
 
   Pike Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Pike Co
 
   Pointe Coupee Parish, LA (Marginal)
LOUISIANA (Region VI)
Pointe Coupee Par
 
   Portland, ME (Moderate)
MAINE (Region I)
Cumberland Co (P)
York Co (P)
 
   Portland-Vancouver AQMA, OR-WA (Marginal)
OREGON (Region X)
Clackamas Co (P)
Air Quality Maintenance Area
Multnomah Co (P)
Air Quality Maintenance Area
Washington Co (P)
Air Quality Maintenance Area
WASHINGTON (Region X)
Clark Co (P)
 
   Portsmouth-Dover-Rochester, NH (Serious)
NEW HAMPSHIRE (Region I)
Strafford Co (P)
 
   Preble Co, OH (Section 185A)
OHIO (Region V)
Preble Co
 
   Reno, NV (Marginal)
NEVADA (Region IX)
Washoe Co
 
   Saginaw-Bay City-Midland, MI (Incomplete Data)
MICHIGAN (Region V)
Bay Co
Midland Co
Saginaw Co
 
   Salem, OR (Incomplete Data)
OREGON (Region X)
Marion Co (P) Salem Area Transportation Study
Polk Co (P) Salem Area Transportation Study
 
   Salt Lake City, UT (Moderate)
UTAH (Region VIII)
Davis Co
Salt Lake Co
 
   San Diego, CA (Serious)
CALIFORNIA (Region IX)
San Diego Co (P)
 
   Santa Barbara-Santa Maria-Lompoc, CA (Serious)
CALIFORNIA (Region IX)
Santa Barbara Co
 
   Schuylkill Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Schuylkill Co
 
   Scranton-Wilkes-Barre, PA (Marginal)
PENNSYLVANIA (Region III)
Columbia Co
 
   Seattle-Tacoma, WA (Marginal)
WASHINGTON (Region X)
King Co (P)
Pierce Co
Snohomish Co (P)
 
   Smyth Co, VA (White Top Mtn) (Marginal RT)
VIRGINIA (Region III)
Smyth Co (P)
 
   Snyder Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Snyder Co
 
   St James Par, LA (Incomplete Data)
LOUISIANA (Region VI)
St James Par
 
   St Mary Par, LA (Incomplete Data)
LOUISIANA (Region VI)
St Mary Par
 
   Sunland Park, NM (New Area 1995) (Marginal)
NEW MEXICO (Region VI)
Dona Ana Co (P)
 
   Susquehanna Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Susquehanna Co
 
   Tampa-St. Petersburg-Clearwater, FL (Marginal)
FLORIDA (Region IV)
Hillsborough Co
Pinellas Co
 
   Victoria, TX (Incomplete Data)
TEXAS (Region VI)
Victoria Co
 
   Walworth Co, WI (Marginal)
WISCONSIN (Region V)
Walworth Co
 
   Warren Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Warren Co
 
   Wayne Co, PA (Incomplete Data)
PENNSYLVANIA (Region III)
Wayne Co
 
   Yuba City, CA (Section 185A)
CALIFORNIA (Region IX)
Sutter Co (P)
Yuba Co
The 1-Hour Ozone standard, as well as designations and classifications for all 1-Hour Ozone nonattainment and maintenance areas, have been revoked except for the Greensboro, NC, Nashville, TN, and Denver, CO maintenance areas.

The former 1-Hour Ozone designations and classifications as of June 15, 2004, are being retained in subpart C of Part 81 for purposes of the anti backsliding provisions of 40 CFR 51.905. 40 CFR 51.905(c) references subpart C of part 81 for the areas affected by the anti-backsliding regulation.