| Agreement on Detainers |
Corrections |
1970 |
49 |
| Agreement on Qualifications of Educational Personnel |
Education |
1968 |
37 |
| Alabama-Coosa-Tallapoosa River Basin Compact |
Water apportionment |
1997 |
2 |
| Animas - La Plata Project Compact |
Water apportionment |
1969 |
2 |
| Apalachicola-Chattahoochee-Flint River Basin Compact |
Water apportionment |
1997 |
3 |
| Appalachian States Radioactive Waste Compact |
Waste; public health |
1988 |
4 |
| Arizona-California Boundary Compact |
Boundaries |
1963 |
2 |
| Arizona-Nevada Boundary Compact |
Boundaries |
1960 |
2 |
| Arkansas River Basin Compact of 1970 |
Water apportionment |
1970 |
2 |
| Arkansas River Compact of 1949 |
Water apportionment |
1949 |
2 |
| Arkansas River Compact of 1965 |
Water apportionment |
1965 |
2 |
| Arkansas-Mississippi Great River Bridge Construction Compact |
Infrastructure |
1985 |
2 |
| Atlantic Interstate Low-Level Radioactive Waste Management Compact |
Waste |
1986 |
3 |
| Atlantic State Marine Fisheries Compact |
Fisheries; Natural resource management |
1942 |
15 |
| Bay State-Ocean State Compact |
Natural resource management |
2005 |
2 |
| Bear River Compact |
Water apportionment |
1958 |
3 |
| Belle Fourche River Compact |
Water apportionment |
1943 |
2 |
| Bi-State Criminal Justice Center Compact |
Law enforcement |
1979 |
2 |
| Bi-State Development Agency Compact |
Transportation; Regional planning |
1949 |
2 |
| Big Blue River Compact |
Water apportionment |
1971 |
2 |
| Big Rivers Forest Fire Management Compact |
Fire protection |
|
4 |
| Boating Offense Compact |
Law enforcement |
1992 |
2 |
| Boundary Compact Between Michigan, Wisconsin, and Minnesota |
Boundaries |
1947 |
3 |
| Breaks Interstate Park Compact |
Natural resource management |
1954 |
2 |
| Buffalo and Fort Erie Bridge Compact |
Infrastructure |
1994 |
2 |
| Bus Taxation Proration and Reciprocity Agreement |
Taxation |
1965 |
5 |
| California-Nevada Compact |
Law enforcement |
1995 |
2 |
| Canadian River Compact |
Water apportionment |
1951 |
3 |
| Central Interstate Low-Level Radioactive Waste Compact |
Waste; Public Health |
1982 |
4 |
| Central Midwest Low-Level Radioactive Waste Compact |
Waste |
1986 |
2 |
| Chesapeake Bay Commission Agreement |
Natural resource management |
1980 |
3 |
| Colorado River Compact |
Water apportionment |
1922 |
7 |
| Colorado River Crime Enforcement Compact |
Law enforcement |
1987 |
2 |
| Columbia River Compact |
Natural resource management |
1918 |
2 |
| Columbia River Gorge Compact |
Natural resource management |
1987 |
2 |
| Compact for Pension Portability for Education |
Education |
|
2 |
| Compact on Mental Health |
Public health |
1956 |
47 |
| Connecticut River Atlantic Salmon Compact |
Natural resource management |
1983 |
4 |
| Connecticut River Valley Flood Control Compact |
Water resources and flood control |
1953 |
4 |
| Costilla Creek Compact |
Water apportionment |
1946 |
2 |
| Cumbres and Toltec Scenic Railroad Compact |
Historic preservation |
1974 |
2 |
| Delaware River and Bay Authority Compact |
Transportation |
1962 |
2 |
| Delaware River Basin Compact |
Natural resource management |
1961 |
4 |
| Delaware River Joint Toll Bridge Compact |
Infrastructure |
1935 |
2 |
| Delaware River Port Authority Compact |
Infrastructure |
1932 |
2 |
| Delaware Valley Urban Area Compact |
Regional planning |
1966 |
2 |
| Desert Pacific Economic Region Compact |
Economic development |
1999 |
1 |
| Driver License Compact |
Licensure |
1958 |
46 |
| Emergency Management Assistance Compact |
Emergency management |
1996 |
55 |
| Enhanced Nursing Licensure Compact |
Licensure |
2018 |
34 |
| Furlough Compact |
Corrections |
|
1 |
| Great Lakes Basin Compact |
Natural resource management |
1955 |
8 |
| Great Lakes Forest Fire Compact |
Fire protection |
|
3 |
| Great Lakes-St. Lawrence River Basin Water Resources Compact |
Natural resources management |
2008 |
8 |
| Great Plains Interstate Fire Compact |
Fire protection |
2006 |
7 |
| Gulf States Marine Fisheries Compact |
Natural resources management |
1949 |
5 |
| Health Care Compact |
Healthcare |
2011 |
9 |
| Historic Chattahoochee Compact |
Historic preservation |
1978 |
2 |
| Indiana-Kentucky Boundary Compact |
Boundaries |
1943 |
2 |
| Interpleader Compact |
Property |
1955 |
5 |
| Interstate Civil Defense and Disaster Compact |
Defense |
1951 |
23 |
| Interstate Compact Defining a Portion of the Arizona-Nevada Boundary on the Colorado River |
Boundary |
1960 |
2 |
| Interstate Compact for Adult Offender Supervision |
Corrections |
1998 |
53 |
| Interstate Compact for Education |
Education |
1965 |
47 |
| Interstate Compact for Juveniles |
Corrections |
1955 |
53 |
| Interstate Compact for Mutual Military Aid in an Emergency |
Emergency management |
1953 |
|
| Interstate Compact on Adoption and Medical Assistance |
Children |
1986 |
50 |
| Interstate Compact on Agricultural Grain Marketing |
Industry regulation |
1979 |
2 |
| Interstate Compact on Educational Opportunity for Military Children |
Education |
2008 |
51 |
| Interstate Compact on Industrialized/Modular Buildings |
Industry regulation |
1993 |
4 |
| Interstate Compact on Licenses of Participants in Horse Racing with Pari-Mutual Wagering |
Licensure |
2000 |
15 |
| Interstate Compact on Placement of Children |
Children |
1963 |
52 |
| Interstate Compact on the Mentally Disordered Offender |
Corrections |
1967 |
8 |
| Interstate Compact to Build a Border Fence |
Boundaries |
2011 |
1 |
| Interstate Compact to Conserve Oil and Gas |
Natural resource management |
1935 |
31 |
| Interstate Corrections Compact |
Corrections |
1959 |
39 |
| Interstate Earthquake Emergency Compact |
Emergency management |
1989 |
4 |
| Interstate Forest Fire Suppression Compact |
Fire protection |
1991 |
3 |
| Interstate High Speed Intercity Rail Passenger Network Compact |
Transportation; Infrastructure |
1981 |
7 |
| Interstate Insurance Product Regulation Compact |
Industry regulation |
2006 |
46 |
| Interstate Insurance Receivership Compact |
Industry regulation |
1996 |
3 |
| Interstate Jobs Protection Compact |
Employment |
|
1 |
| Interstate Library Compact |
Education |
1956 |
35 |
| Interstate Mining Compact |
Natural resource management |
1970 |
24 |
| Interstate Mutual Aid Compact |
Public safety |
1986 |
2 |
| Interstate Rail Passenger Network Compact |
Transportation |
1980 |
7 |
| Interstate Wildlife Violator Compact |
Law enforcement |
1989 |
49 |
| Iowa-Nebraska Boundary Compact |
Boundaries |
1943 |
2 |
| Jennings Randolph Lake Project Compact |
Natural resource management |
1996 |
2 |
| Kansas and Missouri Metropolitan Culture District Compact |
Regional planning |
1996 |
2 |
| Kansas City Area Transportation Compact |
Transportation |
1965 |
2 |
| Kansas-Missouri Boundary Compact |
Boundaries |
1949 |
2 |
| Kansas-Missouri Flood Prevention and Control Compact |
Water Resources and Flood Control |
1985 |
2 |
| Klamath River Compact |
Water apportionment |
1957 |
2 |
| La Plata River Compact |
Water apportionment |
1925 |
2 |
| Maine-New Hampshire School District Compact |
Education |
1992 |
2 |
| Maryland and Virginia Boundary Agreement of 1785 |
Boundaries |
1785 |
2 |
| Menominee River Bridge Agreement |
Infrastructure |
1928 |
2 |
| Merrimack River Flood Control Compact |
Water resources and flood control |
1989 |
2 |
| Mid-Atlantic Forest Fire Protection Compact |
Fire protection |
1988 |
7 |
| Midwest Interstate Low-Level Radioactive Waste Compact |
Waste |
1985 |
6 |
| Midwest Interstate Passenger Rail Compact |
Transportation |
2000 |
8 |
| Midwestern Higher Education Compact |
Education |
1991 |
12 |
| Mississippi-Alabama Railroad Authority Compact |
Transportation |
1992 |
2 |
| Mississippi-Louisiana-Alabama Rapid Rail Transit Compact |
Transportation |
1981 |
3 |
| Missouri-Nebraska Boundary Compact |
Boundaries |
1990 |
2 |
| Multi-State Reciprocity Agreement |
Licensure |
1962 |
15 |
| Multistate Highway Transportation Agreement |
Transportation |
1978 |
10 |
| Multistate Lottery Agreement |
Lottery |
1987 |
38 |
| Multistate Tax Compact |
Taxation |
1967 |
16 |
| National Crime Prevention and Privacy Compact |
Law enforcement |
1999 |
34 |
| National Guard Mutual Assistance Counter-Drug Activities Compact |
Law enforcement |
1998 |
11 |
| Nebraska-South Dakota Boundary Compact |
Boundaries |
1989 |
2 |
| New England Compact on Involuntary Detention for Tuberculosis Control |
Health; public safety |
1997 |
|
| New England Higher Education Compact |
Education |
1955 |
6 |
| New England Interstate Corrections Compact |
Corrections |
1960 |
7 |
| New England Interstate Water Pollution Control Compact |
Water pollution control |
1947 |
7 |
| New England Radiological Health Protection Compact |
Public health |
1967 |
6 |
| New England State Interstate Trucking Fee Compact |
Regulation; transportation |
1982 |
|
| New England State Police Compact |
Law enforcement |
1969 |
6 |
| New Hampshire-Massachusetts Interstate Sewage and Waste Disposal Compact |
Waste |
1981 |
|
| New Hampshire-Vermont Interstate Public Water Supply Compact |
Water supply |
1995 |
2 |
| New Hampshire-Vermont Interstate School Compact |
Education |
1963 |
2 |
| New Hampshire-Vermont Interstate Sewage and Waste Disposal Facilities Compact |
Waste |
1975 |
2 |
| New Jersey-Pennsylvania Turnpike Bridge Compact |
Infrastructure |
1951 |
2 |
| New York-New Jersey Port Authority Compact of 1921 |
Transportation |
1921 |
2 |
| Nonresident Violator Compact |
Licensure |
1977 |
43 |
| Northeast Mississippi-Northwest Alabama Railroad Authority Compact |
Transportation |
1992 |
2 |
| Northeastern Forest Fire Protection Compact |
Fire protection |
1949 |
7 |
| Northwest Compact on Low-Level Radioactive Waste Management Compact |
Waste |
1985 |
8 |
| Northwest Wildland Fire Protection Agreement |
Fire protection |
1999 |
5 |
| Ogdensburg Bridge and Port Authority Compact |
Transportation |
1952 |
1 |
| Ohio River Valley Water Sanitation Compact |
Water resources |
1948 |
8 |
| Oregon-California Goose Lake Interstate Compact |
Water resource management |
1963 |
2 |
| Oregon-Washington Columbia River Boundary Compact |
Boundaries |
1957 |
2 |
| Pacific Marine Fisheries Compact |
Fisheries |
1947 |
5 |
| Pacific Ocean Resources Compact |
Natural resources management |
1991 |
5 |
| Pacific States Agreement on Radioactive Materials Transportation |
Health |
1988 |
2 |
| Palisades Interstate Park Compact |
Natural resources management |
1937 |
2 |
| Pecos River Compact |
Water apportionment |
1948 |
2 |
| Portsmouth-Kittery Bridge Compact |
Infrastructure |
1936 |
2 |
| Potomac Highlands Airport Authority Compact |
Transportation |
1976 |
2 |
| Potomac River Bridges Towing Compact |
Infrastructure |
1991 |
3 |
| Potomac River Compact of 1958 |
Natural resource management |
1962 |
2 |
| Potomac Valley Compact |
Water resource management |
1940 |
5 |
| Pymatuning Lake Compact |
Water resources |
1994 |
2 |
| Quad Cities Interstate Metropolitan Authority Compact |
Planning |
1990 |
2 |
| Railroad Passenger Transportation Compact |
Transportation |
1969 |
2 |
| Red River Compact |
Water resource management |
1978 |
4 |
| Republican River Compact |
Water apportionment |
1942 |
3 |
| Rio Grande Interstate Compact |
Water apportionment |
1938 |
3 |
| Rocky Mountain Low-Level Radioactive Waste Compact |
Waste management |
1983 |
3 |
| Sabine River Compact |
Water apportionment |
1953 |
2 |
| Snake River Compact |
Water apportionment |
1949 |
2 |
| South Central Forest Fire Protection Compact |
Fire protection |
1953 |
5 |
| South Platte River Compact |
Water apportionment |
1923 |
2 |
| Southeast Interstate Low-Level Radioactive Waste Compact |
Waste |
1982 |
6 |
| Southeastern Forest Fire Protection Compact |
Forest fire protection |
1954 |
10 |
| Southern Regional Education Compact |
Education |
1948 |
16 |
| Southern States Energy Compact |
Natural resource management |
1962 |
18 |
| Southwestern Low-Level Radioactive Waste Disposal Compact |
Waste |
1987 |
4 |
| Statewide Mutual Aid Compact |
Emergency management |
2002 |
1 |
| Surplus Lines Insurance Multi-State Compliance Compact |
Insurance |
2011 |
9 |
| Susquehanna River Basin Compact |
Natural resource management; Flood control |
1970 |
3 |
| Tahoe Conservancy Agency Compact |
Water resources |
1973 |
2 |
| Tahoe Regional Planning Compact |
Natural resource management |
1969 |
2 |
| Taxation of Motor Fuels Consumed by Interstate Buses |
Taxation; Transportation; Industry regulation |
1965 |
2 |
| Tennessee Interstate Furlough Compact |
Corrections |
|
1 |
| Tennessee River Basin Water Pollution Control Compact |
Pollution control |
1958 |
3 |
| Tennessee-Tombigbee Waterway Development Compact |
Economic development |
1958 |
4 |
| Texas Low-Level Radioactive Waste Disposal Compact |
Waste; Public health |
1985 |
2 |
| Thames River Valley Flood Control Compact |
Water resources and flood control |
1957 |
2 |
| The NASDTEC Interstate Contract |
Licensure; Education |
1928 |
52 |
| Tri-State Lotto Compact |
Lottery |
1985 |
3 |
| Tri-State Sanitation Compact |
Waste management; Water pollution |
1935 |
3 |
| Uniform Child Custody Jurisdiction and Enforcement Act |
Children |
1997 |
51 |
| Uniform Unclaimed Property Act |
Property |
1995 |
16 |
| Upper Colorado River Basin Compact |
Water apportionment |
1948 |
5 |
| Upper Niobrara River Compact |
Water apportionment |
1962 |
2 |
| Virginia and West Virginia Boundary Agreement of 1863 |
Boundaries |
1863 |
2 |
| Virginia and West Virginia Boundary Compact of 1959 |
Boundary |
1959 |
2 |
| Virginia and West Virginia Boundary Compact of 1998 |
Boundary |
1998 |
2 |
| Virginia-District of Columbia Boundary Line Compact of 1946 |
Boundaries |
1946 |
2 |
| Virginia-Kentucky Boundary Compact |
Boundaries |
1800 |
2 |
| Virginia-Maryland Boundary Agreement of 1878 |
Boundaries |
1878 |
2 |
| Virginia-North Carolina Boundary Agreement of 1791 |
Boundaries |
1791 |
2 |
| Virginia-North Carolina Boundary Agreement of 1970 |
Boundaries |
1970 |
2 |
| Virginia-Tennessee Boundary Agreement |
Boundaries |
1901 |
2 |
| Wabash Valley Compact |
Natural resource management |
1959 |
2 |
| Washington Metropolitan Area Transit Authority Compact |
Transportation |
1960 |
3 |
| Waterfront Commission Compact |
Law enforcement |
1953 |
2 |
| Western Corrections Compact |
Corrections |
1959 |
11 |
| Western Interstate Energy Compact |
Energy |
1970 |
12 |
| Western Regional Higher Education Compact |
Education |
1951 |
15 |
| Wheeling Creek Watershed Protection and Flood Prevention Compact |
Flood prevention |
1967 |
2 |
| Woodrow Wilson Bridge and Tunnel Compact |
Infrastructure |
1995 |
3 |
| Yellowstone River Compact |
Interstate water apportionment |
1951 |
3 |