United States Department of Agriculture
Natural Resources Conservation Service
Go to Accessibility Information
Skip to Page Content




Table B6. Acres (1,000) Where the Potential Alachlor Runoff Concentration at the Edge of the Field 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 923 860 775 668 548 519 503 470 401 398
Connecticut 7 7 7 7 7 7 7 7 0 0
Delaware 43 22 16 7 3 3 0 0 0 0
Maine 3 3 3 3 3 3 3 3 0 0
Maryland 116 95 92 50 23 22 12 1 0 0
Massachusetts 5 5 5 5 5 5 5 5 0 0
New Hampshire 2 2 2 2 2 2 2 2 0 0
New Jersey 34 23 19 8 1 0 0 0 0 0
New York 425 425 425 425 425 425 425 410 375 375
Pennsylvania 260 251 181 147 66 39 37 30 22 22
Rhode Island 0 0 0 0 0 0 0 0 0 0
Vermont 13 13 13 13 13 13 13 13 3 1
West Virginia 16 15 13 1 1 1 0 0 0 0
Midwest Region 16,986 16,713 16,357 16,095 15,753 15,118 14,472 11,637 10,965 9,107
Illinois 3,470 3,462 3,462 3,461 3,452 3,343 3,186 2,463 2,450 1,948
Indiana 2,846 2,834 2,834 2,834 2,834 2,833 2,712 1,753 1,353 643
Iowa 2,849 2,848 2,819 2,818 2,806 2,749 2,632 2,622 2,586 2,547
Michigan 1,291 1,291 1,291 1,291 1,291 1,291 1,291 983 980 751
Minnesota 2,034 1,847 1,611 1,610 1,576 1,574 1,558 1,555 1,506 1,492
Missouri 1,595 1,586 1,577 1,572 1,287 831 603 533 427 339
Ohio 1,790 1,764 1,681 1,430 1,430 1,430 1,427 794 756 744
Wisconsin 1,111 1,082 1,082 1,079 1,077 1,067 1,062 935 908 643
Northern Plains 5,181 4,661 4,185 4,065 3,726 3,473 2,956 1,832 1,758 1,446
Colorado 265 175 175 169 136 122 106 42 42 29
Kansas 772 734 678 673 576 434 408 353 329 218
Montana 4 3 3 3 3 3 2 2 2 2
Nebraska 3,271 3,084 2,693 2,591 2,388 2,292 1,824 830 794 608
North Dakota 119 54 36 35 35 32 32 32 30 29
South Dakota 743 606 597 591 588 588 584 572 562 561
Wyoming 7 5 5 4 2 2 0 0 0 0
South Central 1,425 1,297 1,218 1,150 1,052 903 755 689 567 446
Arkansas 262 261 260 259 256 252 250 243 235 215
Louisiana 537 522 489 447 403 348 263 234 173 123
Oklahoma 46 41 40 36 34 32 28 25 23 20
Texas 580 474 429 409 359 272 214 187 137 88
Southeast Region 3,416 2,855 2,698 2,596 2,257 2,008 1,700 1,299 1,090 933
Alabama 230 221 218 215 206 173 163 117 92 66
Florida 27 19 16 16 10 8 6 2 1 1
Georgia 216 148 121 115 80 67 49 30 15 10
Kentucky 334 332 330 322 320 300 220 195 131 82
Mississippi 462 461 452 450 442 432 405 384 331 276
North Carolina 953 702 681 637 485 376 272 53 17 7
South Carolina 369 171 165 160 155 153 149 109 97 92
Tennessee 471 471 471 466 446 429 413 406 402 397
Virginia 356 332 246 215 113 70 24 4 3 3
West Region 134 49 42 32 28 25 22 16 11 6
Arizona 1 0 0 0 0 0 0 0 0 0
California 66 41 36 27 24 22 20 15 10 5
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 5 3 2 2 1 1 1 1 1
Oregon 7 1 1 1 1 1 0 0 0 0
Utah 8 1 1 0 0 0 0 0 0 0
Washington 16 1 1 1 1 1 0 0 0 0
US Total 28,064 26,435 25,275 24,606 23,363 22,047 20,408 15,943 14,792 12,336

< Back to An Information Aid for Assessing Possible NRCS Involvement in the State Management Plan Process for Regulation of Pesticides