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Table B12. Acres (1,000) Where the Potential Concentration at the Edge of the Field Exceeds a Multiple of the Water Quality Thresholds for One or More of Atrazine, Metolachlor, Alachlor, Cyanazine, or Simazine.
NRCS Region/State Acres Treated Multiple of Water Quality Thresholds
> 1 > 2 > 3 > 5 > 7 > 10 > 15 > 20 > 25
East Region 3,922 3,226 2,237 1,962 1,832 1,790 1,755 1,648 1,598 1,427
Connecticut 48 48 48 48 48 48 48 48 44 9
Delaware 242 86 43 39 35 33 21 20 20 20
Maine 22 19 19 19 19 19 19 19 18 4
Maryland 656 453 212 163 123 98 80 51 47 47
Massachusetts 34 32 32 32 32 32 32 32 29 6
New Hampshire 14 14 14 14 14 14 14 14 13 4
New Jersey 191 97 46 29 21 21 21 21 21 21
New York 1,020 1,011 985 984 984 984 984 984 982 946
Pennsylvania 1,508 1,292 666 470 446 444 440 365 340 339
Rhode Island 2 2 2 2 2 2 2 2 2 0
Vermont 91 91 91 91 91 91 91 91 81 30
West Virginia 97 82 80 71 17 5 3 1 1 1
Midwest Region 42,845 42,533 42,060 41,608 39,145 38,640 35,332 29,407 27,103 21,713
Illinois 11,334 11,329 11,327 11,327 10,739 10,684 9,018 7,644 7,451 4,533
Indiana 6,609 6,504 6,500 6,500 6,500 6,483 5,310 2,884 2,614 1,752
Iowa 9,359 9,341 9,275 9,094 8,827 8,803 8,650 8,597 8,052 7,459
Michigan 2,956 2,942 2,938 2,938 2,938 2,938 2,938 2,452 2,372 1,651
Minnesota 3,074 3,008 2,682 2,614 2,597 2,591 2,546 2,520 2,500 2,494
Missouri 3,487 3,442 3,412 3,375 2,247 1,858 1,638 1,407 1,250 1,116
Ohio 3,799 3,756 3,717 3,551 3,092 3,084 3,054 2,032 1,151 1,113
Wisconsin 2,228 2,211 2,210 2,210 2,206 2,200 2,178 1,872 1,713 1,596
Northern Plains 14,103 13,071 11,842 9,817 8,720 7,054 6,060 5,066 4,777 4,342
Colorado 515 382 332 323 239 177 142 49 46 30
Kansas 4,327 3,868 3,758 2,709 2,210 1,629 1,373 1,171 1,041 829
Montana 6 6 5 5 5 4 4 4 4 4
Nebraska 7,844 7,447 6,486 5,544 5,042 4,022 3,333 2,647 2,497 2,292
North Dakota 152 139 121 121 121 121 121 121 120 120
South Dakota 1,240 1,214 1,124 1,100 1,093 1,092 1,082 1,068 1,066 1,063
Wyoming 20 15 15 15 10 10 6 5 5 4
South Central 8,462 6,146 5,432 4,875 4,374 4,071 3,848 2,929 2,301 1,561
Arkansas 1,217 1,173 1,138 1,109 1,082 1,065 1,021 974 822 767
Louisiana 1,255 1,209 1,160 1,089 1,025 946 905 781 637 520
Oklahoma 365 187 156 154 135 104 94 39 28 24
Texas 5,625 3,577 2,978 2,523 2,132 1,956 1,828 1,135 814 250
Southeast Region 10,370 8,041 7,494 7,041 6,325 5,830 4,631 3,267 2,745 2,070
Alabama 829 691 652 593 524 480 359 243 161 89
Florida 185 67 53 39 33 21 12 6 5 1
Georgia 1,349 704 441 386 325 285 202 137 88 64
Kentucky 1,654 1,637 1,617 1,527 1,436 1,288 895 368 326 233
Mississippi 1,719 1,715 1,705 1,685 1,656 1,642 1,589 1,427 1,252 967
North Carolina 1,785 1,135 1,050 951 725 592 357 83 42 30
South Carolina 975 432 421 400 360 335 325 177 159 92
Tennessee 1,284 1,259 1,234 1,189 1,128 1,086 859 815 708 590
Virginia 590 402 321 272 138 102 33 11 5 5
West Region 496 147 125 105 95 89 82 64 51 35
Arizona 149 10 5 5 4 1 0 0 0 0
California 175 106 101 87 79 77 76 60 46 30
Hawaii 0 0 0 0 0 0 0 0 0 0
Idaho 36 1 1 0 0 0 0 0 0 0
Nevada 1 0 0 0 0 0 0 0 0 0
New Mexico 73 13 9 7 7 5 5 4 4 4
Oregon 19 5 3 3 2 2 1 0 0 0
Utah 8 4 2 1 0 0 0 0 0 0
Washington 35 8 4 3 3 2 1 1 1 1
US Total 80,198 73,165 69,190 65,408 60,490 57,474 51,708 42,379 38,574 31,148

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