LF, pp. 148

Previous Index Figure 7-3 The origins of point source pollution are distinct and identifiable; hence point source also is called an end-of-the-pipe source. Photo Barbara Tellman 89 Figure 7-4 Rainfall flowing over urban surfaces picks up various constituents and forms urban runoff nonpoint source pollution. 90 Figure 7-5 Arizona’s Active Management Areas and Irrigation Non-Expansion Areas. 92 Figure 7-6 Tohono O’odham ollas, or clay water jars from the nineteenth century are reminders of Native American’s early water rights. Photo: Arizona Historical Society 96 Not available online. Figure 7-7 The Colorado River Basin 98 Figure 7-8 Decorative fountains raise an issue beyond supply and demand — the aesthetics of water. Photo: UA Biomedical Communications 100 Figure 7-9 The Endangered Species Act is concerned with the effects of human activity on the natural environment. Above is the federally protected desert tortoise. Photo: Barbara Tellman 101 Figure 7-10 . Jurisdictional boundaries. 106 Figure 7-11 Generalized model of municipal water policy 107 (Afterword) Water budget flow chart Previous Index