U.S. Department of Transportation/Federal Highway Administration

U.S. Department of Transportation/Federal Highway Administration

Office of Planning, Environment, & Realty (HEP)
Planning • Environment • Real Estate

HEP Events Guidance Publications Awards Contacts

Contacts

For more information, please contact Michael Koontz.

Nonattainment & Maintenance Area Populations by State and County FY 2009

District of Columbia

STATE	COUNTY	2007.7.01 POP.	1-Hr O3 Class	O3 WT	CO Class	CO WT	8-hr Class	8-hr WT	POPULATION FINAL WTED
DISTRICT OF COLUMBIA		588,292							776,545
Washington,DC-MD-VA
	DC	588,292	Sev		Mnt	1.2	md	1.1	776,545

AK AL AR AZ CA CO CT DC DE FL GA HI IA ID IL IN KS KY LA MA MD ME MI MN MO MS MT NC
ND NE NH NJ NM NV NY OH OK OR PA PR RI SC SD TN TX UT VA VT WA WI WV WY

Updated: 07/06/2011

HEP Home Planning Environment Real Estate

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