Table 34. Estimated Quantity of Water Appiied in the Open Using Oniy Gravity Fiow Systems to Distribute 
Water: 2013 and 2008 
[Excludes area under protection and institutional, research, and experimental farms. For meaning of abbreviations and symbols see introductory text; 
Geographic area 
Total 
Only down rows or furrows 
Only controlled flooding 
(between borders or within basins) 
Farms 
Acres 
irrigated 
Average 
acre-feet 
per acre 
Farms 
Acres 
irrigated 
Average 
acre-feet 
per acre 
Farms 
Acres 
irrigated 
Average 
acre-feet 
per acre 
United States 2013 
53,824 
13,296,785 
1.9 
18,380 
3,394,577 
1.7 
19,564 
3,511,942 
2.5 
2008 ^ 
60,018 
13,622,819 
2.2 
19,086 
3,449,137 
2.0 
22,336 
4,098,939 
2.4 
2013 DATA 
Alabama 
27 
1,384 
0.3 
11 
328 
0.4 
_ 
_ 
_ 
Alaska 
4 
62 
0.3 
4 
62 
0.3 
- 
- 
- 
Arizona 
2,368 
570,305 
4.1 
469 
177,937 
4.0 
1,239 
103,951 
4.9 
Arkansas 
2,360 
3,069,585 
1.4 
799 
502,308 
1.4 
377 
351,189 
1.6 
California 
9,100 
2,285,786 
3.2 
2,566 
262,188 
4,835 
1,046,564 
4.0 
Colorado 
6,570 
764,112 
1.9 
3,037 
255,850 
1,689 
164,323 
2.1 
Connecticut 
13 
51 
0.3 
13 
51 
0.3 
- 
- 
- 
Delaware 
- 
- 
- 
- 
- 
- 
- 
- 
- 
Florida 
177 
470,642 
1.4 
73 
35,849 
1.0 
19 
192,915 
1.0 
Georgia 
6 
2,100 
0.4 
- 
- 
- 
- 
- 
- 
Flawaii 
98 
649 
1.9 
23 
242 
2.6 
46 
205 
1.2 
Idaho 
5,665 
414,708 
1.9 
2,811 
209,029 
2.5 
1,074 
79,876 
1.7 
Illinois 
7 
1,760 
(D) 
1 
(D) 
(D) 
- 
- 
- 
Indiana 
19 
786 
0.6 
12 
12 
1.0 
7 
774 
0.6 
Iowa 
20 
245 
0.1 
14 
185 
0.1 
6 
60 
0.2 
Kansas 
267 
27,316 
1.3 
212 
27,151 
1.3 
55 
165 
0.3 
Kentucky 
24 
335 
0.4 
17 
90 
0.5 
- 
- 
- 
Louisiana 
1,028 
740,159 
1.4 
323 
244,193 
0.9 
570 
334,041 
2.1 
Maine 
- 
- 
- 
- 
- 
- 
- 
- 
- 
Maryland 
8 
256 
0.5 
6 
(D) 
0.5 
- 
- 
- 
Massachusetts 
6 
987 
(D) 
_ 
_ 
_ 
6 
987 
(D) 
Michigan 
6 
6 
1.0 
- 
- 
- 
- 
- 
Minnesota 
30 
20,926 
1.1 
- 
- 
- 
28 
(D) 
1.3 
Mississippi 
550 
756,510 
1.2 
343 
376,868 
1.0 
23 
19,019 
1.5 
Missouri 
539 
490,511 
1.0 
326 
254,642 
0.9 
60 
13,560 
1.3 
Montana 
3,902 
796,899 
1.3 
240 
54,748 
1.4 
2,013 
334,538 
1.4 
Nebraska 
2,187 
334,216 
1.2 
2,037 
330,466 
1.2 
150 
3,750 
0.6 
Nevada 
1,252 
342,206 
2.2 
98 
11,521 
3.4 
708 
176,183 
2.4 
New Flampshire 
3 
9 
2.0 
- 
- 
- 
- 
- 
- 
New Jersey 
4 
90 
1.0 
2 
(D) 
(D) 
- 
- 
- 
New Mexico 
6,072 
217,073 
1.7 
1,341 
42,071 
1.6 
2,935 
92,389 
2.4 
New York 
19 
695 
0.3 
10 
530 
0.4 
- 
- 
- 
North Carolina 
48 
968 
0.9 
34 
256 
0.3 
2 
(D) 
(D) 
North Dakota 
76 
12,140 
0.9 
23 
3,178 
1.1 
38 
(D) 
1.2 
Ohio 
27 
101 
0.5 
7 
25 
0.6 
- 
- 
Oklahoma 
25 
2,168 
1.2 
25 
2,168 
1.2 
_ 
_ 
_ 
Oregon 
2,095 
321,552 
1.8 
272 
34,415 
2.7 
728 
106,975 
1.9 
Pennsylvania 
21 
265 
0.1 
12 
18 
0.7 
- 
- 
- 
Rhode Island 
- 
- 
- 
- 
- 
- 
- 
- 
- 
South Carolina 
11 
790 
0.1 
- 
- 
- 
2 
(D) 
(D) 
South Dakota 
219 
30,997 
1.3 
64 
5,897 
1.1 
71 
14,380 
1.4 
Tennessee 
25 
302 
0.8 
14 
154 
(D) 
2 
(D) 
(D) 
Texas 
1,943 
419,745 
1.6 
604 
240,813 
1.5 
853 
108,430 
2.2 
Utah 
3,523 
326,143 
1.9 
749 
50,162 
1.8 
1,415 
129,767 
2.0 
Vermont 
17 
55 
0.4 
6 
33 
0.4 
3 
6 
0.5 
Virginia 
- 
- 
- 
- 
- 
- 
- 
- 
- 
Washington 
755 
83,613 
2.2 
605 
58,551 
2.2 
20 
3,336 
3.1 
West Virginia 
7 
106 
0.1 
7 
106 
0.1 
- 
- 
- 
Wisconsin 
19 
414 
1.2 
10 
20 
0.8 
- 
- 
- 
Wyoming 
2,682 
787,057 
1.4 
1,160 
211,860 
1.6 
590 
218,612 
1.3 
Water Resources Regions 
Region 01 New England 
22 
1,047 
(D) 
13 
51 
0.3 
6 
987 
(D) 
Region 02 Mid-Atlantic 
50 
565 
0.5 
34 
407 
0.5 
- 
- 
- 
Region 03 South Atlantic-Gulf 
269 
476,600 
1.4 
122 
37,233 
1.0 
23 
193,155 
1.0 
Region 04 Great Lakes 
30 
668 
0.4 
9 
480 
0.4 
3 
6 
0.5 
Region 05 Ohio 
79 
1,326 
0.3 
36 
127 
0.6 
7 
610 
(D) 
Region 06 Tennessee 
18 
135 
(D) 
13 
36 
0.4 
_ 
_ 
_ 
Region 07 Upper Mississippi 
75 
21,015 
0.7 
42 
13,817 
0.5 
18 
(D) 
1.0 
Region 08 Lower Mississippi 
3,901 
4,486,281 
1.3 
1,622 
1,285,404 
1.1 
879 
644,973 
1.8 
Region 09 Souris-Red-Rainy 
27 
16,174 
1.2 
7 
56 
2.3 
18 
(D) 
1.5 
Region 10 Missouri 
9,152 
1,855,203 
1.4 
3,704 
639,280 
1.4 
3,110 
498,930 
1.4 
Region 11 Arkansas-White-Red 
2,134 
726,296 
1.3 
913 
177,575 
1.5 
330 
89,683 
1.7 
Region 12Texas-Gulf 
1,558 
379,162 
1.6 
420 
215,161 
1.5 
664 
94,707 
2.3 
Region 13 Rio Grande 
6,039 
234,530 
1.8 
1,223 
26,262 
1.9 
2,977 
98,111 
2.3 
Region 14 Upper Colorado 
5,366 
722,293 
1.8 
3,104 
209,168 
2.1 
1,033 
209,152 
1.9 
Region 15 Lower Colorado 
2,680 
605,541 
4.1 
361 
178,171 
4.0 
1,276 
105,645 
4.9 
Region 1 6 Great Basin 
3,852 
568,231 
2.1 
405 
36,184 
2,011 
287,272 
2.2 
Region 1 7 Pacific Northwest 
9,207 
880,903 
1.8 
3,759 
312,673 
2,210 
207,305 
1.7 
Region 18 California 
9,263 
2,320,104 
3.2 
2,566 
262,188 
4,953 
1,068,608 
4.0 
Region 19 Alaska 
4 
62 
0.3 
4 
62 
0.3 
- 
- 
- 
Region 20 Hawaii 
98 
649 
1.9 
23 
242 
2.6 
46 
205 
1.2 
See footnote(s) at end of table. -continued 
2012 Census of Agricuiture 
USDA, National Agricultural Statistics Service 
2013 FRiS - Crops Grown in the Open and Pasture Data 113 
