Contents 
Page 
Introduction V 
MAPS 
Water Resources Regions of the United States 1 
Percent of Normal Precipitation, January - December 2013 2 
Percent of Normal Precipitation, J anuary - April 2013 3 
Percent of Normal Precipitation, May - August 2013 4 
Percent of Normal Precipitation, September - December 2013 5 
TABLES 
Entire Farm Data Tables 
1. Irrigated Farms in the Censuses of Agriculture: 2012 and Earlier Censuses 6 
2. Irrigated Farms by Acres Irrigated: 2013 and 2008 7 
3. Land Use on Farms with Irrigation: 2013 and 2008 9 
4. Estimated Quantity of Water Applied By Source: 2013 and 2008 11 
5. Off-Farm Water Suppliers: 2013 and 2008 15 
6. Irrigation by Estimated Quantity of Water Applied: 2013 and 2008 16 
7. Irrigation Wells Used on Farms: 2013 20 
8. Characteristics of Irrigation Wells Used on Farms: 2013 22 
9. Irrigation Pumps on Farms: 2013 27 
10. Irrigation Pumps on Farms for Wells: 2013 28 
1 1 . Irrigation Pumps on Farms Other Than for Wells: 2013 30 
12. On-Farm Energy Expenses for Pumping Irrigation Water by Water Source and 
Type of Energy: 2013 34 
13. Solar Pumps and Other Pumps Without Direct Energy Expense: 2013 47 
14. Expenses for Irrigation Water from Off-Farm Suppliers: 2013 48 
15. Expenditures for Irrigation Equipment, Facilities, Land Improvement, and 
Computer Technology: 2013 49 
16. Expenses for Hired and Contract Irrigation Labor: 2013 69 
17. Farms With Diminished Crop Yields Resulting From Irrigation Interruption 
by Cause: 2013 70 
18. Irrigated Farms by Size of Farm: 2013 72 
19. Irrigated Farms by North American Industrial Classification System: 2013 and 2008 75 
20. Irrigated Farms by Market Value of Agricultural Products Sold: 2013 and 2008 78 
21 . Irrigated Farms by Percent of Total Sales from Irrigated Crops and 
Livestock: 2013 and 2008 86 
22. Methods Used in Deciding When to Irrigate: 2013 87 
2012 Census of Agriculture Contents III 
USDA, National Agricultural Statistics Service 
