United States Department of Agriculture
Natural Resources Conservation Service
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Table B5. Acres (1,000) Where the Potential Alachlor Leaching Concentration at the Bottom of the Root Zone Exceeds a Multiple of EPA's Maximum Contaminant Level (2 ppb)

NRCS Region/State Acres Treated Multiple of EPA's Maximum Contaminant Level
> 1 > 2 > 3 > 5 > 7 > 10 > 15 > 20 > 25
East Region 923 8 2 1 0 0 0 0 0 0
Connecticut 7 0 0 0 0 0 0 0 0 0
Delaware 43 5 2 1 0 0 0 0 0 0
Maine 3 0 0 0 0 0 0 0 0 0
Maryland 116 2 0 0 0 0 0 0 0 0
Massachusetts 5 0 0 0 0 0 0 0 0 0
New Hampshire 2 0 0 0 0 0 0 0 0 0
New Jersey 34 1 0 0 0 0 0 0 0 0
New York 425 0 0 0 0 0 0 0 0 0
Pennsylvania 260 0 0 0 0 0 0 0 0 0
Rhode Island 0 0 0 0 0 0 0 0 0 0
Vermont 13 0 0 0 0 0 0 0 0 0
West Virginia 16 0 0 0 0 0 0 0 0 0
Midwest Region 16,986 116 35 27 12 5 1 0 0 0
Illinois 3,470 25 10 10 4 0 0 0 0 0
Indiana 2,846 33 7 4 3 1 0 0 0 0
Iowa 2,849 3 0 0 0 0 0 0 0 0
Michigan 1,291 2 1 1 0 0 0 0 0 0
Minnesota 2,034 3 0 0 0 0 0 0 0 0
Missouri 1,595 31 9 6 5 4 1 0 0 0
Ohio 1,790 0 0 0 0 0 0 0 0 0
Wisconsin 1,111 18 9 6 0 0 0 0 0 0
Northern Plains 5,181 175 131 33 7 7 1 0 0 0
Colorado 265 2 2 2 0 0 0 0 0 0
Kansas 772 37 27 24 1 1 1 0 0 0
Montana 4 1 1 0 0 0 0 0 0 0
Nebraska 3,271 133 100 6 5 5 0 0 0 0
North Dakota 119 0 0 0 0 0 0 0 0 0
South Dakota 743 2 2 1 0 0 0 0 0 0
Wyoming 7 0 0 0 0 0 0 0 0 0
South Central 1,425 39 9 3 0 0 0 0 0 0
Arkansas 262 12 1 0 0 0 0 0 0 0
Louisiana 537 9 2 0 0 0 0 0 0 0
Oklahoma 46 2 0 0 0 0 0 0 0 0
Texas 580 16 6 3 0 0 0 0 0 0
Southeast Region 3,416 216 109 60 26 12 5 4 0 0
Alabama 230 52 18 11 8 2 1 0 0 0
Florida 27 13 7 4 2 1 0 0 0 0
Georgia 216 81 63 38 17 10 4 3 0 0
Kentucky 334 1 0 0 0 0 0 0 0 0
Mississippi 462 20 6 2 0 0 0 0 0 0
North Carolina 953 27 12 3 0 0 0 0 0 0
South Carolina 369 16 3 1 0 0 0 0 0 0
Tennessee 471 6 0 0 0 0 0 0 0 0
Virginia 356 0 0 0 0 0 0 0 0 0
West Region 134 22 17 17 10 5 4 1 0 0
Arizona 1 0 0 0 0 0 0 0 0 0
California 66 19 16 16 10 5 4 1 0 0
Hawaii 0 0 0 0 0 0 0 0 0 0
Idaho 14 0 0 0 0 0 0 0 0 0
Nevada 0 0 0 0 0 0 0 0 0 0
New Mexico 22 3 1 1 0 0 0 0 0 0
Oregon 7 0 0 0 0 0 0 0 0 0
Utah 8 0 0 0 0 0 0 0 0 0
Washington 16 0 0 0 0 0 0 0 0 0
US Total 28,064 574 303 140 54 29 11 5 0 0

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