Interstate Water Agreements of the United States
Interstate Water Allocation Compacts
- Arkansas River Compact of 1949 (Kansas & Colorado) - as codified in Kansas law (PDF)
- Arkansas River Compact of 1965 (Kansas & Oklahoma) - as codified in Kansas law (PDF)
- Arkansas River Basin Compact of 1970 (Arkansas & Oklahoma) - as codified in Oklahoma law
- Bear River Compact of 1978 (Idaho, Wyoming & Utah) (PDF) - as codified in Wyoming law
- Belle Fourche River Compact of 1943 (South Dakota & Utah) - as codified in south Dakota law
- Colorado River Compact of 1922 (Arizona, California, Colorado, Nevada, New Mexico, Utah & Wyoming) (PDF)
- Costilla Creek Compact of 1944 (Colorado & New Mexico) (as amended in 1963) (PDF)
- Delaware River Basin Compact of 1961 (Delaware, New Jersey, New York, Pennsylvania, USA) (PDF)
- Kansas-Nebraska Big Blue River Compact of 1971 (Kansas & Nebraska) (PDF)
- Klamath River Basin Compact of 1957 (California & Oregon) - as codified in Oregon law
- La Plata River Compact of 1922 (Colorado & New Mexico) (PDF)
- Pecos River Compact of 1948 (New Mexico & Texas) (PDF)
- Red River Compact of 1978 (Arkansas, Louisiana, Oklahoma & Texas) - as codified in Oklahoma law
- Republican River Compact of 1942 (Colorado, Kansas & Nebraska) - website of the Republican River Compact Administration (PDF)
- Rio Grande Interstate Compact of 1938 (Colorado, New Mexico & Texas (PDF)
- Sabine River Compact of 1953 (Louisiana & Texas)
- Snake River Compact of 1949 (Idaho & Wyoming) - as codified in Wyoming law
- South Platte River Compact of 1923 (Colorado & Nebraska) - as codified in Colorado law
- Susquehanna River Basin Compact of 1970 (Maryland, New York & Pennsylvania) (PDF)
- Upper Colorado River Basin Compact of 1948 (Arizona, Colorado, New Mexico, Utah & Wyoming) (PDF)
- Upper Niobrara River Compact of 1962 (Nebraska & Wyoming)
- Yellowstone River Compact of 1950 (Montana, North Dakota & Wyoming) - as codified in Wyoming law
Interstate Water Pollution Control Compacts
- Louisiana-Mississippi Tangipahoa River Waterway Compact of 1988 (Louisiana & Mississippi)
- Mississippi River Interstate Pollution Phase-Out Compact (Arkansas, Illinois, Iowa, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, Tennessee, Wisconsin, & USA)
- New England Interstate Water Pollution Control Compact of 1947 (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island & Vermont) (PDF)
- Ohio River Valley Water Sanitation Compact of 1948 (Indiana, West Virginia, Ohio, New York, Illinois, Kentucky, Pennsylvania & Virginia) (PDF)
- Potomac Valley Compact of 1970 (District of Columbia, Maryland, Pennsylvania & West Virgina)
Interstate Flood Control Compacts
Interstate Water Management Compact
- Great Lakes Basin Compact of 1955 (Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania & Wisconsin)
- The Great Lakes-St. Lawrence River Basin Water Resources Compact (Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania & Wisconsin) (PDF) - see background of the Compact here