Alabama-Coosa-Tallapoosa River Basin Compact

Apportions the surface waters of the Alabama-Coosa-Tallapoosa River Basin. Creates the ACT Basin Commission to administer apportionment, promote interstate comity, engage in water planning, and develop and share common databases.

Member states: AL, GA

Apalachicola-Chattahoochee-Flint River Basin Compact

Apportions the surface waters of the Apalachicola-Chattahoochee-Flint River Basin. Creates the ACF Basin Commission to administer apportionment, promote interstate comity, engage in water planning and develop and share common databases.

Member states: AL, FL, GA

Arkansas River Basin Compact of 1970

Apportions the waters of the Arkansas River Basin. Creates the Arkansas River Compact Commission to administer the apportionment agreement, encourages pollution abatement programs, and facilitates cooperation for total development and management of water resources in the river basin.

Member states: AR, OK

Arkansas River Basin Compact of 1949

Apportions the waters of the Arkansas River and establishes an administration as the supervising agency.

Member states: KS, CO

Arkansas River Basin Compact of 1965

Apportions the waters of the Arkansas River Basin; establishes a commission to administer the agreement and encourages further pollution-abatement programs in the river basin.

Member states: KS, OK

Bear River Compact

Apportions the waters of the Bear River and establishes a commission to administer the compact among Idaho, Utah and Wyoming. Also allocated new blocks of water for future development in Idaho, Utah and Wyoming.

Member states: ID, UT, WY

Belle Fourche River Compact

Apportions the waters of the Belle Fourche River with particular emphasis on administering public water supplies in South Dakota and Wyoming.

Member states: SD, WY

Big Blue River Compact

Establishes a commission to promote interstate comity and equitably apportion the waters in the Big Blue River basin to promote orderly development of water resources and to continue active water pollution abatement programs in the party states.

Member states: KS, NE

Bi-state Development Agency Compact

Establishes an agency to administer planning and development in the St. Louis metropolitan area. Operates and maintains a regional transit system and the Gateway Arch Tram System. In 1982, authority was expanded to include operating parking lots or garages and industrial parks.

Member states: IL, MO

Canadian River Compact

Establishes a commission to allocate and apportion waters of the Canadian River in New Mexico, Oklahoma and Texas, to perform all functions required by the compact either independently or in cooperation with appropriate government agencies, and to make and transmit annual reports to the governors and the president on the commission's activities of the preceding year.

Member states: NM, OK, TX

Chesapeake Bay Commission

The purpose of the commission is to advise the state legislatures on matters of concern regarding the restoration and management of Chesapeake Bay.

Member states: MD, PA, VA

Colorado River Compact

Apportions the waters of the Colorado River Basin.

Member states: AZ, CA, CO, NM, NV, UT, WY

Connecticut-New York Railroad Passenger Transportation Compact

Provides for preservation and improvement of essential interstate rail passenger service between New York City and points in Connecticut.

Member states: CT, NY

Connecticut River Valley Flood Control Compact

Establishes a commission to provide for financial reimbursement by downstream states for economic losses to political subdivisions in which flood control reservoirs are located. Commissioners have exercised more responsibility recently in keeping abreast of activities along the river which affect flood control.

Member states: CT, NH, VT

Costilla Creek Compact

Apportions the waters of Costilla Creek in Colorado and New Mexico and creates the necessary administrative structure. In 1963 both states and Congress approved an amendment perfecting further utilization of the interstate waters.

Member states: CO, NM

Cumbres and Toltec Scenic Railroad Compact

Under this compact, the states of Colorado and New Mexico jointly acquired and now operate a scenic railroad originally built in 1880 as part of the Denver and Rio Grande Railroad.

Member states: CO, NM

Delaware River Basin Compact

Establishes a commission as a regional multipurpose water resources regulatory agency.

Member states: DE, NJ, NY, PA

Delaware Valley Urban Area Compact

Establishes a commission to plan for orderly development of a nine-county Philadelphia-Camden-Trenton metropolitan region.

Member states: NJ, PA

Driver License Compact

Provides for exchange of information on citations against nonresident drivers of motor vehicles who violate traffic laws and regulations while in another state. All states and other U.S. jurisdictions are eligible to participate.

Member states: AK, AL, AR, AZ, CA, CO, DC, DE, FL, HI, IA, ID, IL, IN, KS, LA, MA, MD, MN, MS, MO, MT, NC, NE, NH, NJ, NM, NY, OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, VT, WA, WV, WY

Great Lakes Basin Compact

Establishes a commission to advise and make recommendations to the member states concerning regional water resources matters. These include comprehensive water use, economic development and maintenance of a high-quality environment.

Member states: IL, IN, MI, MN, NY, OH, PA, WI

Interstate High Speed Rail Compact

This compact was created to enable Illinois, Indiana, Kentucky, Michigan, Ohio, Pennsylvania and West Virginia to jointly conduct a feasibility study to establish high-speed rail passenger service between the major cities in each state.

Member states: IL, IN, MI, MO, NY, OH, PA

Interstate Rail Passenger Network Compact

The purpose of this compact is to enable Florida, Georgia, Illinois, Indiana, Kentucky and Tennessee to jointly study creating an interstate rail passenger network to connect major cities in the member states. The compact creates an Interstate Rail Passenger Advisory Council to conduct or oversee the study and otherwise implement the compact.

Member states: GA, IL, IN, TN

Jennings Randolph Lake Project Compact

Provides for concurrent jurisdiction between West Virginia, Maryland and the U.S. Army Corps of Engineers to enforce civil and criminal laws of these states concerning natural resources, boating and other regulations over the land and waters of the project.

Member states: WV, MD

Kansas City Area Transportation Compact

Authorizes a Metropolitan Area Transport to construct, operate and administer transit systems in the Kansas City area.

Member states: KS, MO

Kansas-Missouri Flood Prevention and Control Compact

Establishes a commission to plan and coordinate flood prevention and control efforts in Johnson, Wyandotte and Atchison counties in Kansas; and Jackson, Clay, Platte and Buchanan counties in Missouri.

Member states: MO

Klamath River Compact

Establishes a commission to promote comprehensive development, conservation and control of the resources of the Klamath River, and to foster interstate comity between California and Oregon.

Member states: CA, OR

La Plata River Compact

Apportions the waters of the La Plata River between Colorado and New Mexico, and creates a joint commission to administer the compact.

Member states: CO, NM

Merrimack River Flood Control Compact

Establishes a commission to coordinate flood control planning and water resource management in the basin of the Merrimack River and its tributaries.

Member states: MA, NH

Midwest Interstate Passenger Rail Compact

The purposes of this compact are to promote development and implementation of improvements to intercity passenger rail service in the Midwest; coordinate interaction among Midwestern state elected officials and their designees on passenger rail issues; promote development and implementation of long-range plans for high-speed rail passenger service in the Midwest and among other regions of the United States; work with the public and private sectors at the federal, state and local levels to ensure coordination among the various entities with an interest in passenger rail service and to promote Midwestern interests regarding passenger rail service; and support efforts of transportation agencies involved in developing and implementing passenger rail service in the Midwest.

Member states: IA, IL, IN, MI, MN, ND, NE, OH, WI

Multistate Highway Transportation Agreement

This agreement encourages uniformity in allowable vehicle size and loads, as long as such uniformity is compatible with safe operation of vehicles on member highway systems and does not have an adverse impact on highway maintenance programs. Participation is open to all jurisdictions.

Member states: AZ, CO, ID, MT, NM, NV, OR, UT, WA, WY

New Hampshire-Vermont Interstate Public Water Supply Compact

Agreement whereby joint public water supply facilities are erected and maintained.

Member states: NH, VT

Nonresident Violator Compact

Assures nonresident motorists receiving citations for minor traffic violations in a party state the same treatment that would be accorded to resident motorists. Procedures under the compact are reasonable and provide due process protection, but they also make it difficult for the person who violates laws to escape consequences. The compact is also designed to enhance law enforcement service and deterrence time spent on the highways.

Member states: AR, AZ, CO, FL, HI, IA, ID, IL, KS, KY, LA, MD, ME, MO, MS, NE, NJ, NM, NY, OH, OK, TX, UT, VA, VT, WA, WV

Pecos River Compact

Establishes a commission to administer provisions of the compact and apportion the waters of the Pecos River between New Mexico and Texas.

Member states: NM, TX

Potomac Highlands Airport Authority

Allows local governments in Maryland and West Virginia to coordinate the provision of air transportation facilities and services on a regional basis.

Member states: MD, WV

Potomac River Bridges Towing Compact

Authorizes law enforcement officers from the District of Columbia, Maryland and Virginia to direct traffic, move disabled vehicles and conduct related traffic matters on any part of the Potomac River bridges. D.C. and Virginia are reported to be parties to this compact or agreement.

Member states: MD, VA

Red River Compact

Congress in 1955 granted consent to Arkansas, Louisiana, Oklahoma and Texas to negotiate a compact providing for an equitable apportionment among them of the waters of the Red River and its tributaries.

Member states: AR, LA, OK, TX

Republican River Compact

Establishes an agency to provide for the most efficient use of the waters of the Republican River Basin for multiple purposes and to provide for an equitable division of those waters among the party states. Provisions of the compact are administered by existing agencies of signatory states.

Member states: CO, KS, NE

Rio Grande Compact

Establishes the Rio Grande Commission to administer the compact and to apportion the waters of the Rio Grande River between Colorado, New Mexico and Texas.

Member states: CO, NM, TX

Sabine River Compact

Establishes a commission to apportion the waters of the Sabine River and to plan, develop and conserve the water resources of the river basin in Louisiana and Texas.

Member states: LA, TX

Snake River Compact

Apportions the waters of the Snake River and directs that the compact be administered through the official in each state who is responsible for public water supplies and the collection of necessary data.

Member states: ID, WY

Southern Rapid Rail Transit Compact

The purpose of the compact is to study the feasibility of rapid rail transit service between the states of Mississippi, Louisiana, Alabama and Georgia, and to establish a joint interstate commission to assist in this effort.

Member states: AL, GA, LA, MS

South Platte River Compact

Establishes a commission to apportion the waters of the South Platte River between Colorado and Nebraska.

Member states: CO, NE

Susquehanna River Basin Compact

Establishes a federal-interstate administrative commission to engage in comprehensive planning, development and management of water and related resources of the Susquehanna River Basin. The commission has promulgated regulations regarding consumptive uses of water, groundwater withdrawals and water conservation.

Member states: MD, NY, PA

Thames River Flood Control Compact

Establishes a commission to administer the compact and promote the cooperation in flood control and in the use of water resources of the Thames River Basin.

Member states: CT, MA

Upper Colorado River Basin Compact

Establishes a commission to administer apportionment of the waters of the Upper Colorado River Basin System and to promote agricultural and industrial development.

Member states: AZ, CO, NM, UT, WY

Upper Niobrara River Compact

Apportions the waters of the Upper Niobrara River Basin and the groundwater common to Nebraska and Wyoming.

Member states: NE, WY

Vehicle Equipment Safety Compact

The Vehicle Equipment Safety Compact is designed to expedite the development and adoption of uniform standards for improving automotive safety equipment. The compact is open to all states.

Member states: AR, AZ, CO, HI, IA, IN, MA, MO, MT, NC, NJ, NY, RI, UT, VT, WA

Wabash Valley Compact

Member states: IL

Washington Metropolitan Area Transit Authority Compact

Establishes an authority to plan, develop, operate, construct, acquire and improve mass transit facilities in the Washington transit zone, and to operate such facilities.

Member states: DC, MD, VA

Yellowstone River Compact

Establishes a commission to apportion the waters of the Yellowstone River among Montana, North Dakota and Wyoming.

Member states: MT, ND, WY

Visit the National Center for Interstate Compacts for more information!