Em4885 irrigation management practices to protect ground water

Determining reasonable goals . . . . . . 5-3
Determining appropriate Implementation Practices . 5-3
Preventing Contamination Problems from Occurring . . . . . 5-4
Example of Planning Checklist . . . . . . . 5-5
Local Area-Wide Information . . . . . . . 5-12
Chapter 6 - The Role of Government Agencies in Controlling Contamination. . . 6-1
Purpose . . . . . . . . . . 6-1
Conservation Districts . . . . . . . . 6-1
Irrigation Districts . . . . . . . . 6-2
U.S. Bureau of Reclamation . . . . . . . 6-2
Soil Conservation Service . . . . . . . . 6-3
Washington State University and the Cooperative Extension . . . . 6-3
Reacting to Pollution - The Compliance Memorandum of Agreement . . . 6-4
Chapter 7 - Resource Guide . . . . . . . . 7-1
Chapter 8 - Glossary . . . . . . . . . 8-1
LIST OF FIGURES
Figure 2-1. Percent of Stream Miles Assessed and Summary of
Overall Support for Designated Uses . . . . . 2-8
Figure 2-2. Major Causes of Impairment for Rivers and Streams . . . . 2-8
Figure 2-3. Major Sources of Impairment for Rivers and Streams . . . . 2-9
Figure 2-4. Percent of Square Miles Assessed and Summary of
Overall Support for Designated Uses of Estuaries . . . . 2-9
Figure 2-5. Major Causes of Impairment for Estuaries . . . . . 2-10
Figure 2-6. Major Sources of Impairment for Estuaries . . . . . 2-10
Figure 2-7. Percent of Acres Assessed and Summary of Overall Support
for Designated Uses of Lakes . . . . . . 2-11
Figure 2-8. Major Causes of Impairment for Lakes . . . . . 2-11
Figure 2-9. Major Sources of Impairment for Lakes . . . . . 2-12
Figure 3-1. The Nitrogen Cycle . . . . . . . 3-3
Figure 3-2. Schematic of the Hydrologic Cycle . . . . . . 3-9
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