Alabama

Approximately 15,000 acres of abandoned mine lands exist in Alabama.

For more information visit: AL Surface Mining Commission

Alaska

Approximately 6,830 abandoned hardrock mines exist in Alaska according to the Bureau of Land Management and Forest Service estimates.

For more information visit: Alaska Division of Mining, Land & Water

Arizona

Approximately 24,183 abandoned hardrock mines exist in Arizona according to the Bureau of Land Management and Forest Service estimates.

For more information visit: Arizona State Mine Inspector

Arkansas

According to the Arkansas Department of Pollution Control and Ecology, Arkansas contained 5,000 acres of disturbed land as a result of mining activities.

For more information visit: Surface Mining and Reclamation Division

California

Approximately 17,748 abandoned hardrock mines exist in California according to the Bureau of Land Management and Forest Service estimates.

For more information visit: Abandoned Mine Lands Unit

Colorado

Approximately 5,105 abandoned hardrock mines exist in Colorado according to the Bureau of Land Management and Forest Service estimates.

For more information visit: Colorado Department of Natural Resources, Division of Reclamation Mining & Safety

Connecticut

For information visit Conneticut's Department of Environmental Protection

Delaware

For information visit Department of Natural Resources & Environmental Control Division of Soil and Water Conservation

District of Columbia

For information visit the District of Columbia's Department of the Environment

Florida

Florida’s Department of Natural Resources/Bureau of Mine Reclamation estimated that 49,000 acres (clay settling ponds) and 13,000 acres (non-clay settling ponds) of phosphate mine dumps exist in the state.

For more information visit: Florida Bureau of Mine Reclamation

Georgia

For information visit Georgia's Office of Surface Mining

Hawaii

For information visit Hawaii's Department of Land and Natural Resources

Idaho

The number of AML sites in Idaho ranges between 8,000 and 16,000 sites, according to state estimates provided in MPC and EPA research efforts. Approximately 5,035 abandoned hardrock mines exist in Idaho according to the Bureau of Land Management and Forest Service estimates.

For more information visit: Idaho Department of Lands

Illinois

According to the Illinois Department of Mines and Minerals, 35,000 acres of AML existed in the State.

For more information visit: Abandoned Mine Land Reclamation Division

Indiana

Indiana’s Department of Natural Resources/Bureau of Mine Reclamation estimate that 1,200 AML sites existed in the state.

For more information visit: Division of Reclamation

Iowa

Iowa has more that 12,000 acres of abandoned coal sites that were mined prior to 1977 and are eligible to be reclaimed under Title IV of the Federal Surface Mining Control and Reclamation Act (Public Law 95-87).  The Division was granted primacy for its Abandoned Mined Lands (AML) Program in 1983 by the Secretary of Interior and works cooperatively with the U.S. Office of Surface Mining (OSM). For more information visit: Department of Agriculture & Land Stewardship, Division of Soil Conservation Abandoned Mine Reclamation Program

Kansas

According to the Kansas Department of Health and Environment, Kansas currently has over 350 abandoned coal mine sites identified with health and safety problems. The cost to reclaim all problems on the inventory is over 225 million dollars. For more information visit: KS Department of Health and Environment AML Program

Kentucky

Kentucky’s Division of Abandoned Mine Lands (DAML) works throughout the state’s coal fields to protect the public from health and safety problems caused by mining that occurred prior to 1982. For more information visit: KY Division of Abandoned Mine Lands

Louisiana

Louisiana’s Department of Natural Resources/Injection and Mining Divisions estimates 900 AML sites exist in the state.

For more information visit: LA Land Office of Conservation Abandoned Mine Lands Program

Maine

According to the Maine Department of Environmental Protec-tion, 700 mine openings exist in the state.

For more information visit: Maine Geological Survey, Department of Conservation

Maryland

According to the Maryland Water Resources Administration, a total of 200 AML sites exist in the state.

For more information visit: Maryland Department of Environment Abandoned Mine Lands Program

Massachusetts

For information visit Massachusetts Department of Environmental Protection

Michigan

For information visit Michigan's Department of the Environmental Quality

Minnesota

Minnesota’s Department of Natural Resources/Minerals Division estimates 650 AML sites exist in the state.

For more information visit: Minnesota Department of Natural Resources, Division of Lands and Minerals

Mississippi

For information visit Mississippi Department of Environmental Quality

Missouri

According to the Missouri Department of Natural Resources and Department of Environmental Quality, a total of 48,000 affected acres, as measured from USGS, Soil Conservation Service, and Forest Service aerial photos, exist in the state.

For more information visit: MO Department of Natural Resources

Montana

Approximately 4,915 abandoned hardrock mines exist in Montana according to the Bureau of Land Management and Forest Service estimates.

For more information visit: Montana Department of Environmental Quality

Nebraska

For information visit Nebraska's Department of Environmental Quality

Nevada

Approximately 10,613 abandoned hardrock mines exist in Nevada according to the Bureau of Land Management and Forest Service estimates.

For more information visit: State of Nevada Commission on Mineral Resources/Division of Minerals Carson City Office

New Hampshire

For information visit New Hampshire's Department of Environmental Services Geology Unit

New Jersey

For information visit New Jersey's Department of Environmental Protection Division of Water Quality

New Mexico

Approximately 3,989 abandoned hardrock mines exist in New Mexico according to the Bureau of Land Management and Forest Service estimates.

For more information visit: New Mexico's Energy, Minerals and Natural Resources Department

New York

According to the New York Department of Environmental Conservation/Division of Mineral Resources, 30,000 mine-affected acres exist in the state.

For more information visit: NYS Department of Environmental Conservation

North Carolina

The North Carolina Geological Survey Minerals Resources Division had estimates the total number of inactive mines in North Carolina as 150. For more information about the North Carolina AML program and its annual mining inventory estimates visit: Office of Surface Mining.

North Dakota

Since the inception of the North Dakota State AML Program over 100,000 linear feet of dangerous highwall, 155 vertical openings, 1,893 acres of subsidence (caused by underground mine collapse) and other hazardous features caused by abandoned mines have been eliminated. Under funding of our program below federal statutory levels has resulted in reclamation delays and additional risk to the public. For more information visit: ND Public Service Commission

Ohio

A state-funded abandoned mine lands reclamation program for Ohio was realized with the establishment of the Unreclaimed Lands Fund in 1972. A state severance tax is imposed on active strip and surface mine operators who extract coal and industrial minerals respectively. This state severance tax provides approximately $1.0 million annually to the Unreclaimed Lands Fund to alleviate the adverse environmental effects of past mining. For more information visit: OH Department of Natural Resources

Oklahoma

The Oklahoma Conservation Commission estimates 26,000 acres of AMLs in the state.

For more information visit: Oklahoma Conservation Commission AML Program

Oregon

Approximately 5,827 abandoned hardrock mines exist in Oregon according to the Bureau of Land Management and Forest Service estimates.

For more information visit: OR/WA BLM State Office

Pennsylvania

According to the Pennsylvania Department of Environmental Resources/Bureau of Mining and Reclamation, 1,300 AML sites exist in the state.

For more information visit: PA Abandoned Mine Lands Program

Rhode Island

For information visit Rhode Island's Department of Environmental Management

South Carolina

According to the South Carolina Land Resources Conservation Commission/Mining and Reclamation Division, 19,000 acres of AML existed in the state.

For more information visit: U.S. Geological Survey

South Dakota

Approximately 503 abandoned hardrock mines exist in South Dakota according to a Forest Service estimate.

For more information visit: SD Department of Natural Resources

Tennessee

Since its inception in 1981, the Tennessee Land Reclamation Section has reclaimed over 2,400 acres of abandoned mine lands and abated hundreds of hazards at a cost of $24.8 million dollars. Approximately 900 acres have been reclaimed using $7.7 million of state appropriated monies and matching funds, while 1,500 acres have been reclaimed with $17 million in federal grant dollars.

For more information visit: Tennessee’s Department of Environment & Conservation, Abandoned Mine Land Program

Texas

The Railroad Commission of Texas/Surface Mining and Reclamation Division estimates 20,000 sites exist in the state. Funding for the Texas AML program is primarily obtained by AML grants through the OSM.

For more information visit: Texas Railroad Commission

Utah

Approximately 10,697 abandoned hardrock mines exist in Utah according to the Bureau of Land Management and Forest Service estimates.

For more information visit: State of Utah, Department of Natural Resources/Division of Oil, Gas, and Mining

Vermont

For information visit Vermont's Agency of Natural Resources

Virginia

According to the Virginia Department of Mines/Minerals and Energy, approximately 2,000 AML sites exist in the state.

For more information visit: VA Department of Mines, Minerals and Energy Abandoned Mine lands Program

Washington

Approximately 1,956 abandoned hardrock mines exist in Washington according to a Forest Service estimate.

For more information visit: Washington State Department of Natural Resources

West Virginia

The Office of Abandoned Mine Lands & Reclamation was created in 1981 to manage the reclamation of lands and waters affected by mining prior to passage of the Surface Mining Control and Reclamation Act (SMCRA) in 1977. The AML program is funded by a fee placed on coal, currently set at 35 cents per ton for surface-mined coal, and 15 cents per ton for coal mined underground. Allocations from the AML fund are made to state and tribal agencies through the congressional budgetary process.

For more information visit: Office of Surface Mining

Wisconsin

Wisconsin’s DNR estimated that 200 acres had been affected by mining activities in the state.

For more information visit: Wisconsin Department of Natural Resources

Wyoming

Approximately 2,336 abandoned hardrock mines exist in Wyoming according to the Bureau of Land Management and Forest Service estimates.

For more information visit: Wyoming State Abandoned Mine Land Division, Division of Wyoming DEQ