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| | American Heritage Rivers, 1997-1998 Legislative Chronology | 1997 - 1998 | Legislative Analysis |
| | Beach Pollution, 1991-1992 Legislative Chronology | 1992 | Legislative Analysis |
| | Clean Water Regulations, 1999-2000 Legislative Chronology | 1999 - 2000 | Legislative Analysis |
| | Clean Water Revision, 1991-1992 Legislative Chronology | 1991 - 1992 | Legislative Analysis |
| | Clean Water, 1983-1984 Legislative Chronology | 1983 - 1984 | Legislative Analysis |
| | Clean Water, 1985-1986 Legislative Chronology | 1985 - 1986 | Legislative Analysis |
| | Clean Water, 1987-1988 Legislative Chronology | 1987 - 1988 | Legislative Analysis |
| | Clean Water, 1993-1994 Legislative Chronology | 1993 - 1994 | Legislative Analysis |
| | Clean Water, 1995-1996 Legislative Chronology | 1995 - 1996 | Legislative Analysis |
| | Coastal Water Quality Standards, 1999-2000 Legislative Chronology | 1999 - 2000 | Legislative Analysis |
| | Colorado River, 1999-2000 Legislative Chronology | 1999 - 2000 | Legislative Analysis |
| | Federal Water Pollution Control Act Amendments, 1976 Legislative Chronology | 1976 | Legislative Analysis |
| | Great Lakes Cleanup, 1989-1990 Legislative Chronology | 1990 | Legislative Analysis |
| | Hearing by the U.S. Senate Committee on Commerce, Science, and Transportation on the Exxon Valdez Oil Spill in Prince William Sound, Alaska | Apr. 6, 1989 | Primary Source |
| | Lake Tahoe, 1999-2000 Legislative Chronology | 1999 - 2000 | Legislative Analysis |
| | Ocean Dumping, 1971 Legislative Chronology | 1971 | Legislative Analysis |
| | Ocean Dumping, 1972 Legislative Chronology | 1972 | Legislative Analysis |
| | Ocean Dumping, 1977 Legislative Chronology | 1977 | Legislative Analysis |
| | Ocean Dumping, 1981-1982 Legislative Chronology | 1981 - 1982 | Legislative Analysis |
| | Ocean Dumping, 1983-1984 Legislative Chronology | 1983 - 1984 | Legislative Analysis |
| | Ocean Pollution, 1987-1988 Legislative Chronology | 1987 - 1988 | Legislative Analysis |
| | Safe Drinking Water Act, 1974 Legislative Chronology | 1974 | Legislative Analysis |
| | Safe Drinking Water, 1977 Legislative Chronology | 1977 | Legislative Analysis |
| | Safe Drinking Water, 1980 Legislative Chronology | 1980 | Legislative Analysis |
| | Safe Drinking Water, 1983-1984 Legislative Chronology | 1983 - 1984 | Legislative Analysis |
| | Safe Drinking Water, 1985-1986 Legislative Chronology | 1985 - 1986 | Legislative Analysis |
| | Safe Drinking Water, 1993-1994 Legislative Chronology | 1993 - 1994 | Legislative Analysis |
| | Safe Drinking Water, 1995-1996 Legislative Chronology | 1995 - 1996 | Legislative Analysis |
| | Salton Sea Rehabilitation, 1997-1998 Legislative Chronology | 1997 - 1998 | Legislative Analysis |
| | Sewer Grants, 1981-1982 Legislative Chronology | 1981 - 1982 | Legislative Analysis |
| | Water Pollution Control, 1973 Legislative Chronology | 1973 | Legislative Analysis |
| | Water Pollution, 1971 Legislative Chronology | 1971 | Legislative Analysis |
| | Water Pollution, 1972 Legislative Chronology | 1972 | Legislative Analysis |
| | Water Pollution, 1977 Legislative Chronology | 1977 | Legislative Analysis |
| | Water-Sewer Grants, 1973 Legislative Chronology | 1973 | Legislative Analysis |