Author
United States. Environmental Protection Agency. Office of Water
5
Library of Congress. Congressional Research Service,
3
United States. Congress. Senate. Committee on Environment and Public Works
3
Colorado Water Resources Research Institute
2
United States. Congress. House. Committee on Rules
2
United States. Congress. House. Committee on Transportation and Infrastructure
2
United States. Congress. Senate. Committee on Energy and Natural Resources
2
United States. Environmental Protection Agency. Assessment and Watershed Protection Division
2
Barbour, Michael T.
1
Bryniarski, Leonard F.
1
Colorado State University. Cooperative Extension Service
1
Colorado. Department of Health. Water Quality Control Division
1
Copeland, Claudia,
1
Gatz, Laura,
1
Gibson, George R., 1938-
1
Hiller, Robert L.
1
Loftis, Jim C.
1
Mulligan, Stephen P.,
1
Nonpoint Source Pollution Control Program (U.S.)
1
Stubbs, Megan,
1
United States. Congress. House. Committee on Government Reform and Oversight. Subcommittee on National Economic Growth, Natural Resources, and Regulatory Affairs
1
United States. Congress. House. Committee on Government Reform and Oversight. Subcommittee on National Economic Growth, Natural Resources, and Regulatory Affairs,
1
United States. Congress. House. Committee on Natural Resources
1
United States. Congress. House. Committee on Science, Space, and Technology (2011- ). Subcommittee on Environment,
1
United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Technology, Environment, and Aviation
1
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment
1
United States. Congress. Senate. Committee on Environment and Public Works,
1
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Water, Fisheries, and Wildlife
1
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Fisheries, Water, and Wildlife,
1
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Fisheries, Wildlife, and Water
1
United States. Environmental Futures Committee
1
United States. Environmental Protection Agency. Drinking Water Committee
1
United States. Environmental Protection Agency. Health and Ecological Criteria Division
1
United States. Environmental Protection Agency. Office of Wastewater Management. Permits Division
1
United States. Environmental Protection Agency. Region V. Water Division
1