Mosquito Abatement Districts by State — US Directory

A comprehensive directory of US mosquito abatement districts, county vector control programs, and public health mosquito agencies organized by state. 155 districts listed with jurisdiction details and official websites.

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Mosquito Abatement Districts in Alabama

Baldwin County Mosquito Control — Baldwin County. Coastal district serving Gulf Coast communities along Mobile Bay and the Gulf Shore.
Jefferson County Mosquito Surveillance Program — Jefferson County. Urban program covering Birmingham metro area; West Nile Virus surveillance focus.
Mobile County Mosquito Control Program — Mobile County. Gulf Coast program with helicopter spray capacity for post-storm surge response.

Mosquito Abatement Districts in Arizona

Maricopa County Environmental Services — Vector Control — Maricopa County. Covers Phoenix metro area; one of the largest county vector control programs in the Southwest.
Pima County Health Department Vector Control — Pima County. Tucson-area surveillance and larval control; manages Culex in irrigation ditches.
Yuma County Environmental Health Services — Yuma County. Desert border district with significant irrigation-related mosquito pressure.

Mosquito Abatement Districts in Arkansas

Pulaski County Mosquito Abatement Program — Pulaski County. Covers Little Rock metro area; Arkansas River floodplain management.
Benton County Health Unit Mosquito Control — Benton County. Fast-growing Northwest Arkansas program; Walmart HQ region.

Mosquito Abatement Districts in California

Alameda County Mosquito Abatement District — Alameda County. Est. 1930; one of the oldest mosquito abatement districts in the United States.
Coachella Valley Mosquito & Vector Control District — Riverside County desert cities. Manages complex desert wetland and irrigation-related mosquito pressure in the Salton Sea basin.
Contra Costa Mosquito & Vector Control District — Contra Costa County. Bay Area district with tidal salt marsh and freshwater channel management.
Fresno Mosquito & Vector Control District — Fresno County. San Joaquin Valley program; major West Nile Virus surveillance and response role.
Greater Los Angeles County Vector Control District — Los Angeles County (southern portion). Serves 5.6 million residents across 1,300 square miles; one of the largest programs in the US.
Kern Mosquito & Vector Control District — Kern County. Agricultural valley program with extensive surveillance network spanning oilfields and farmland.
Marin/Sonoma Mosquito & Vector Control District — Marin & Sonoma Counties. North Bay coastal district with salt marsh restoration and managed wetland programs.
Merced County Mosquito Abatement District — Merced County. Central Valley agricultural district; rice field and floodplain focus.
Orange County Mosquito & Vector Control District — Orange County. Serves 3.1 million residents; urban-coastal program with award-winning public outreach.
Placer Mosquito & Vector Control District — Placer County. Sacramento suburban foothills program; Sierra Nevada snowmelt mosquito management.
Sacramento-Yolo Mosquito & Vector Control District — Sacramento & Yolo Counties. State capital region district with significant research and surveillance capacity.
San Bernardino County Vector Control Program — San Bernardino County. Covers the largest county in the contiguous US by area; diverse desert and mountain ecosystems.
San Gabriel Valley Mosquito & Vector Control District — San Gabriel Valley. Dense suburban district in the Los Angeles Basin; major urban storm drain management.
San Joaquin County Mosquito & Vector Control District — San Joaquin County. Delta region district; major floodwater and Culex tarsalis management.
San Mateo County Mosquito & Vector Control Program — San Mateo County. Bay Area tidal marsh management and urban residential program.
Santa Barbara County Mosquito & Vector Management Program — Santa Barbara County. Coastal and inland dual-ecosystem program with strong public education component.
Sutter-Yuba Mosquito & Vector Control District — Sutter & Yuba Counties. Rice agriculture area; major floodwater mosquito management with aerial operations.
West Valley Mosquito & Vector Control District — Inland Empire (Ontario/Chino area). Rapid-growth suburban district at the edge of the Los Angeles Basin.

Mosquito Abatement Districts in Colorado

Arapahoe County Public Health Mosquito Control — Arapahoe County. Denver southeastern suburbs; South Platte River corridor.
Denver Environmental Health Mosquito Control — City & County of Denver. Urban district; major West Nile Virus response and public communication role.
Jefferson County Public Health Vector Management — Jefferson County. Foothills suburban district; manages urban-wildland interface.
Larimer County Vector Control Program — Larimer County. Fort Collins area; associated with Colorado State University vector biology research.
Weld County Vector Control — Weld County. Agricultural district with large-scale aerial spray operations; oil & gas country.

Mosquito Abatement Districts in Connecticut

Connecticut Agricultural Experiment Station — Statewide. Statewide surveillance coordination; EEE and West Nile Virus research leadership.
Hartford County Health Department Mosquito Control — Hartford County. Urban capital region program with Connecticut River floodplain management.

Mosquito Abatement Districts in Delaware

New Castle County Mosquito Control Section — New Castle County. Covers Wilmington metro and Delaware River wetlands.
Sussex County Mosquito Control — Sussex County. Coastal wetland and beach resort area management.

Mosquito Abatement Districts in Florida

Alachua County Mosquito Management — Alachua County. Gainesville-area program; University of Florida entomology research proximity.
Brevard County Mosquito Control District — Brevard County. One of Florida's oldest independent districts; Indian River Lagoon management.
Broward County Mosquito Control — Broward County. Major urban coastal program serving Fort Lauderdale area; aerial fleet.
Charlotte County Mosquito Control District — Charlotte County. Southwest Florida Gulf Coast; tidal creek and inland water management.
Collier Mosquito Control District — Collier County. Independent district covering Naples and Marco Island; Everglades interface.
Duval County Mosquito Control Division — Duval County (Jacksonville). Large urban district with aerial operations; St. Johns River floodplain management.
Escambia County Mosquito Control — Escambia County. Panhandle program; Pensacola Bay and hurricane storm surge response capacity.
Indian River Mosquito Control District — Indian River County. Treasure Coast independent district; research and surveillance innovation leader.
Lee County Mosquito Control District — Lee County. Fort Myers area; large independent district with fixed-wing and helicopter fleet.
Manatee County Mosquito Control District — Manatee County. Independent district with Gulf Coast tidal and inland freshwater operations.
Miami-Dade County Mosquito Control Division — Miami-Dade County. Nation's densest urban mosquito program; Aedes aegypti and Zika/dengue surveillance focus.
Palm Beach County Mosquito Control Division — Palm Beach County. Large South Florida district; helicopter spray fleet and citizen request system.
Sarasota County Mosquito Management Services — Sarasota County. Integrated pest management focus; biological control and habitat modification programs.
St. Johns County Mosquito Control — St. Johns County. Northeast Florida; rapid-growth suburban program with historic St. Augustine coastal operations.
St. Lucie County Mosquito Control District — St. Lucie County. Treasure Coast independent district; Indian River Lagoon shoreline management.
Volusia County Mosquito Control — Volusia County. Atlantic coast district; beach tourism protection and Aedes albopictus focus.

Mosquito Abatement Districts in Georgia

Chatham County Mosquito Control — Chatham County (Savannah). Coastal Georgia; barrier island, tidal marsh, and historic district urban management.
DeKalb County Vector Control Program — DeKalb County. Atlanta metro inner suburb; stream corridor management.
Fulton County Environmental Health Vector Control — Fulton County. Covers Atlanta proper and suburban Fulton; urban park and greenspace management.
Gwinnett County Vector Control Program — Gwinnett County. Atlanta northeast suburb; one of the fastest-growing counties in the US.

Mosquito Abatement Districts in Idaho

Ada County Mosquito Abatement District — Ada County (Boise). State's largest district; Boise metro area with Snake River tributary management.
Twin Falls County Mosquito Abatement District — Twin Falls County. Snake River Plain program; irrigation agriculture and canyon management.

Mosquito Abatement Districts in Illinois

Desplaines Valley Mosquito Abatement District — Southwest Cook County. Manages waterway-dense southwest suburban corridor of the Des Plaines River.
DuPage County Division of Mosquito & Vector Control — DuPage County. Major suburban Chicago district; one of the busiest programs in the Midwest.
Kane-DuPage Mosquito Abatement District — Kane County. Fox River valley program; manages large floodplain corridor west of Chicago.
North Shore Mosquito Abatement District — Lake County North Shore. Lakefront communities; Lake Michigan shoreline and ravine wetland management.
Northwest Mosquito Abatement District — Northwest Cook County. Largest suburban Chicago district by geography; Des Plaines River watershed.
Orland Mosquito Abatement District — Southwest Cook County (Orland Park area). Serves Oak Forest, Tinley Park, Orland Park; manages Midlothian and Thorn Creek systems.

Mosquito Abatement Districts in Indiana

Allen County Department of Health Vector Control — Allen County (Fort Wayne). Northeast Indiana's largest district; three-river confluence management.
Lake County Mosquito Control Division — Lake County. Northwest Indiana; major industrial-corridor and sand dunes adjacent program.
Marion County Public Health Mosquito Control — Marion County (Indianapolis). State capital urban district with large-scale ground and aerial spray capacity.

Mosquito Abatement Districts in Iowa

Black Hawk County Mosquito Abatement Program — Black Hawk County (Waterloo). Northeast Iowa program; Cedar River floodplain management.
Polk County Health Services Mosquito Control — Polk County (Des Moines). State capital region; Des Moines and Raccoon River corridor program.
Scott County Mosquito Control Program — Scott County (Davenport). Quad Cities district; Mississippi River floodplain management.
Story County Environmental Health Mosquito Control — Story County (Ames). Iowa State University county; research collaboration on IPM strategies.

Mosquito Abatement Districts in Kansas

Johnson County Government Environmental Division — Johnson County. Kansas City metro; one of the wealthiest and fastest-growing suburban counties in the US.
Sedgwick County Mosquito Control — Sedgwick County (Wichita). State's largest program; Great Plains agricultural and Arkansas River corridor.

Mosquito Abatement Districts in Louisiana

Calcasieu Parish Mosquito Abatement District — Calcasieu Parish (Lake Charles). Southwest Louisiana bayou country; major hurricane post-flood response capacity.
East Baton Rouge Parish Mosquito Abatement — East Baton Rouge Parish. State capital parish; LSU research adjacency; major West Nile surveillance program.
Jefferson Parish Mosquito Control — Jefferson Parish (New Orleans suburbs). Dense suburban New Orleans district; Lake Pontchartrain shoreline management.
New Orleans Mosquito, Termite & Rodent Control Board — Orleans Parish. Historic independent board; unique multi-pest mandate; Mardi Gras season coordination.
St. Tammany Parish Mosquito Abatement District — St. Tammany Parish. Northshore district; pine forest, wetland, and residential development interface.

Mosquito Abatement Districts in Maryland

Frederick County Mosquito Control Program — Frederick County. Rural-suburban Piedmont program; Monocacy River watershed management.
Montgomery County Mosquito Control Program — Montgomery County. Large DC suburb; urban-forest interface with aggressive West Nile surveillance.
Prince George's County Mosquito Control Division — Prince George's County. DC suburb; Patuxent River and Chesapeake Bay tributary management.

Mosquito Abatement Districts in Massachusetts

Bristol County Mosquito Control Project — Bristol County. Southeast Massachusetts; Eastern equine encephalitis (EEE) surveillance and response leader.
Norfolk County Mosquito Control District — Norfolk County. Boston south suburbs; freshwater wetland and pond management.
Plymouth County Mosquito Control Project — Plymouth County. Coastal Massachusetts cranberry bog and pitch pine plain interface; EEE focus.

Mosquito Abatement Districts in Michigan

Ingham County Health Department Mosquito Control — Ingham County (Lansing). State capital county; Michigan State University research adjacency.
Macomb County Health Department Mosquito Control — Macomb County. Detroit metro northeast suburb; Lake St. Clair shoreline management.
Oakland County Mosquito Control — Oakland County. Detroit metro north; mature district with strong surveillance and public outreach programs.
Washtenaw County Environmental Health Mosquito Control — Washtenaw County (Ann Arbor). University of Michigan county; research-adjacent program with strong surveillance data.
Wayne County Department of Health Mosquito Control — Wayne County (Detroit). Major Great Lakes urban program; Detroit River and Lake Erie coastal management.

Mosquito Abatement Districts in Minnesota

Metropolitan Mosquito Control District — Seven-County Metro Area (Twin Cities). Serves 3 million residents across 3,000 square miles; one of the largest districts in the nation.
Scott-Carver Mosquito Control District — Scott & Carver Counties. Twin Cities southwest suburban ring; Minnesota River valley management.

Mosquito Abatement Districts in Mississippi

Hinds County Mosquito Control — Hinds County (Jackson). State capital program; Pearl River floodplain management.
Harrison County Mosquito Control — Harrison County (Biloxi / Gulfport). Gulf Coast resort area; post-hurricane storm surge response capacity.

Mosquito Abatement Districts in Missouri

Jackson County Health Department Vector Control — Jackson County (Kansas City). Missouri side of Kansas City metro; Missouri and Blue River corridor.
St. Charles County Mosquito Control — St. Charles County. St. Louis metro west; one of the fastest-growing suburban areas in the Midwest.
St. Louis County Department of Public Health Vector Control — St. Louis County. Major Midwest urban-suburban program; Mississippi and Missouri River confluence region.

Mosquito Abatement Districts in Nebraska

Douglas County Health Department Mosquito Control — Douglas County (Omaha). State's largest program; Missouri River corridor management.
Lancaster County Vector Control — Lancaster County (Lincoln). State capital program; Salt Creek watershed management.

Mosquito Abatement Districts in Nevada

Clark County Comstock Mosquito Control — Clark County (Las Vegas). Major desert urban program; storm drain and golf course wetland management.
Washoe County Health District Vector Control — Washoe County (Reno). Northern Nevada; Truckee River and Great Basin wetland program.

Mosquito Abatement Districts in New Jersey

Burlington County Mosquito Control — Burlington County. Pinelands and Delaware River wetland specialist district.
Essex County Division of Mosquito Control — Essex County. Newark metro; major urban industrial-area program.
Hudson County Mosquito Control — Hudson County. Densest county in the US; tidal wetland and urban hardscape management.
Morris County Mosquito Control Program — Morris County. Central NJ suburban program; Passaic River headwaters watershed.
Ocean County Mosquito Extermination Commission — Ocean County. Jersey Shore barrier island and coastal wetland specialist program.

Mosquito Abatement Districts in New Mexico

Bernalillo County Environmental Health Mosquito Control — Bernalillo County (Albuquerque). High-desert program; Rio Grande bosque (riparian forest) focus.
Doña Ana County Mosquito Control — Doña Ana County (Las Cruces). Border-region district; Rio Grande and irrigation-canal management.

Mosquito Abatement Districts in New York

Monroe County Department of Health Mosquito Control — Monroe County (Rochester). Western New York program; Lake Ontario shoreline and Genesee River corridor.
Nassau County Department of Health Vector Control — Nassau County (Long Island). Dense suburban Long Island district; major surveillance and aerial program.
Onondaga County Mosquito Control — Onondaga County (Syracuse). Central New York; Onondaga Lake watershed and Finger Lakes gateway program.
Rockland County Department of Health Vector Control — Rockland County. Hudson Valley suburban district; ridge-and-valley landscape management.
Suffolk County Arthropod Control — Suffolk County (Long Island). Largest NY county program; salt marsh and cedar swamp specialist operations.
Westchester County Mosquito Control Program — Westchester County. NYC northern suburb; West Nile Virus response leader; Hudson River estuary management.

Mosquito Abatement Districts in North Carolina

Brunswick County Mosquito Control — Brunswick County. Coastal barrier island and estuary management; Cape Fear River vicinity.
Carteret County Mosquito Control — Carteret County (Morehead City). Crystal Coast; barrier island, Core Sound, and Outer Banks coastal program.
Dare County Mosquito Control — Dare County (Outer Banks). Outer Banks specialist; protects major tourism corridor with fixed-wing and helicopter operations.
Mecklenburg County Land Use & Environmental Services — Mecklenburg County (Charlotte). Large urban program; Catawba River system and urban stream network management.
New Hanover County Mosquito Control — New Hanover County (Wilmington). Coastal NC; Cape Fear River estuary and urban program.
Wake County Environmental Services Mosquito Control — Wake County (Raleigh). State capital; rapidly growing suburban program with Neuse River basin focus.

Mosquito Abatement Districts in Ohio

Cuyahoga County Board of Health Vector Control — Cuyahoga County (Cleveland). Major Lake Erie urban district; Cuyahoga River watershed program.
Franklin County Public Health Vector Control — Franklin County (Columbus). State capital program; Scioto and Olentangy River corridor management.
Hamilton County Public Health Vector Control — Hamilton County (Cincinnati). Southwest Ohio urban program; Ohio River tributary management.
Summit County Public Health Mosquito Control — Summit County (Akron). Northeast Ohio program; Cuyahoga River headwaters and Portage Lakes complex.

Mosquito Abatement Districts in Oklahoma

Oklahoma City Environmental Services Mosquito Control — Oklahoma County. State capital urban program; North Canadian River corridor management.
Tulsa Health Department Vector Control — Tulsa County. Northeast Oklahoma urban program; Arkansas River corridor management.

Mosquito Abatement Districts in Oregon

Clackamas County Vector Control — Clackamas County. Portland southeastern suburbs; Willamette River and Clackamas River watershed.
Multnomah County Vector Control — Multnomah County (Portland). Major Pacific Northwest urban program; Columbia River Slough management.
Tillamook County Mosquito Control District — Tillamook County. Oregon coastal district; tidal estuary and dairy country floodplain management.

Mosquito Abatement Districts in Pennsylvania

Bucks County Mosquito Control Program — Bucks County. Philadelphia northeast suburbs; Delaware River floodplain management.
Chester County Health Department Vector Control — Chester County. Philadelphia western suburbs; Brandywine Creek watershed management.
Delaware County Mosquito Control Program — Delaware County. Philadelphia southwestern suburbs; Delaware River tidal marsh management.
Montgomery County Mosquito Control — Montgomery County. Philadelphia northwestern suburbs; Schuylkill River valley and suburban residential focus.

Mosquito Abatement Districts in South Carolina

Berkeley County Mosquito Control — Berkeley County. Lowcountry tidal wetland and cypress swamp management; fast-growing district.
Charleston County Mosquito Control — Charleston County. Historic coastal city; salt marsh, ACE Basin, and urban management.
Horry County Environmental Health Mosquito Control — Horry County (Myrtle Beach). Grand Strand tourism protection; one of the fastest-growing counties in the Southeast.

Mosquito Abatement Districts in Tennessee

Metro Nashville Public Health Department Mosquito Control — Davidson County (Nashville). State capital; rapidly growing urban program with Cumberland River management.
Shelby County Health Department Mosquito Control — Shelby County (Memphis). Major Mississippi River urban program; Wolf River harbor and wetland management.

Mosquito Abatement Districts in Texas

Brazos County Mosquito Control — Brazos County (College Station). Texas A&M University county; collaborative research and surveillance program.
Collin County Mosquito Control — Collin County (Plano / Frisco). DFW northeast suburbs; one of the fastest-growing counties in the US.
Dallas County Health & Human Services Vector Control — Dallas County. Major North Texas urban program; Trinity River watershed management.
Fort Bend County Mosquito Control — Fort Bend County. Houston southwestern suburbs; Brazos River corridor management.
Harris County Public Health Mosquito Control — Harris County (Houston). One of the largest county programs in the US by population; bayou system management; hurricane response.
Nueces County Public Health District Mosquito Control — Nueces County (Corpus Christi). Gulf Coast district; coastal bend bays and barrier island management.
Travis County Environmental Health Mosquito Control — Travis County (Austin). State capital; rapidly expanding program with Colorado River and urban creek management.

Mosquito Abatement Districts in Utah

Salt Lake City Mosquito Abatement District — Salt Lake City area. Mountain West's busiest urban district; Great Salt Lake wetland complex management.
Wasatch Front Mosquito Abatement District — Weber & Davis Counties. Northern Utah metro program; Great Salt Lake shoreline and Weber River delta.

Mosquito Abatement Districts in Virginia

Arlington County Vector Control Division — Arlington County. Dense DC suburb; Potomac River floodplain and urban park management.
Fairfax County Vector Management Program — Fairfax County. One of the largest county programs in the nation; Potomac and Occoquan watershed management.
Prince William County Mosquito Control — Prince William County. DC outer suburb ring; Occoquan Reservoir watershed and rapid suburban growth management.

Mosquito Abatement Districts in Washington

King County Mosquito Surveillance Program — King County (Seattle). Pacific Northwest's largest program; Lake Washington, Green River, and urban wetland management.
Pierce County Mosquito Control Program — Pierce County (Tacoma). South Puget Sound program; Puyallup and Nisqually River floodplain management.
Snohomish County Mosquito Control — Snohomish County. North Puget Sound; Snohomish River delta and estuary management.

Mosquito Abatement Districts in West Virginia

Kanawha County Health Department Mosquito Control — Kanawha County (Charleston). State capital; Kanawha and Elk River valley management.

Mosquito Abatement Districts in Wisconsin

Brown County Mosquito Control — Brown County (Green Bay). Northeast Wisconsin; Fox River and Green Bay shoreline management.
Dane County Public Health Mosquito Control — Dane County (Madison). State capital; University of Wisconsin research adjacency; Yahara Lakes chain management.
Milwaukee County Mosquito Control — Milwaukee County. Great Lakes urban program; Milwaukee and Menomonee River corridors.

About This Directory

This directory is maintained by VectoStar as a free public resource for the vector control community. VectoStar provides mosquito abatement district software purpose-built for public-sector vector control programs. Contact us to add your district.