Region
Great Britain
960
United States
511
Pennsylvania
149
England
143
États-Unis
79
California
76
Scotland
63
Grande-Bretagne
47
New York (State)
41
Alaska
31
Massachusetts
31
Idaho
29
Nevada
29
Texas
25
Delaware
24
Fremont-Madison Irrigation District (Idaho)
22
Virginia
22
Maryland
21
Michigan
20
New Jersey
20
Utah
20
Florida
17
Washington (D.C.)
17
Mississippi
15
Arkansas
13
Ireland
13
Washington (State)
13
Georgia
12
Tennessee
12
Vermont
12
Ohio
11
Washoe County
11
Hawaii
10
Louisiana
10
South Carolina
10
New York
9
Philadelphia
9
Butte County
8
Canada
8
Pershing County Water Conservation District (Nev.)
8
Plumas National Forest (Calif.)
8
San Diego
8
Arizona
7
Illinois
7
Nampa and Meridian Irrigation District (Idaho)
7
Wales
7
Alaska Maritime National Wildlife Refuge (Alaska)
6
Californie
6
Cold Bay
6
Ketchikan
6
more ...