Table 3.
Estimates of Populations Using Domestic Wells with Arsenic >10 μg/L, and Lower and Upper Confidence Limits, by state for the conterminous U.S.
population likely to have arsenic concentration >10 μg/L in domestic well water | ||||||
---|---|---|---|---|---|---|
95% confidence limit | ||||||
state | domestic well population | % | estimated population | lower | upper | rank by population, descending |
AL | 539 394 | 0.5 | 2592 | 1750 | 3960 | 43 |
AR | 144 434 | 0.8 | 1147 | 803 | 1696 | 48 |
AZ | 218 170 | 7.8 | 16 979 | 13 637 | 20 902 | 30 |
CA | 2 476 047 | 4.7 | 115 823 | 91 768 | 145 900 | 5 |
CO | 311 619 | 4.6 | 14 339 | 11 705 | 17 607 | 31 |
CT | 871 373 | 6.0 | 52 105 | 36 138 | 74 452 | 16 |
DE | 185 267 | 5.4 | 9925 | 6643 | 14 737 | 34 |
FL | 1 907 603 | 2.7 | 50 924 | 33 060 | 78 014 | 17 |
GA | 1 530 125 | 2.3 | 34 969 | 23 251 | 53 637 | 22 |
IA | 591 403 | 6.0 | 35 650 | 28 006 | 44 865 | 21 |
ID | 431 945 | 11 | 47 041 | 38 491 | 57 021 | 18 |
IL | 1 155 342 | 5.9 | 67 709 | 53 347 | 85 636 | 11 |
IN | 1 658 685 | 9.1 | 150 858 | 115 385 | 195 482 | 3 |
KS | 150 883 | 4.1 | 6168 | 5059 | 7511 | 39 |
KY | 663 634 | 1.0 | 6707 | 4680 | 9744 | 36 |
LA | 587 505 | 1.1 | 6464 | 4331 | 9681 | 37 |
MA | 533 820 | 5.7 | 30 549 | 22 067 | 41 883 | 24 |
MD | 1 069 848 | 3.9 | 41 276 | 27 202 | 63 107 | 19 |
ME | 560 801 | 18 | 102 452 | 80 281 | 128 879 | 6 |
MI | 2 675 773 | 7.2 | 192 747 | 151 408 | 246 037 | 1 |
MN | 1 127 975 | 7.1 | 80 353 | 64 209 | 100 266 | 9 |
MO | 883 261 | 1.2 | 10 242 | 7587 | 14 058 | 33 |
MS | 446 129 | 0.6 | 2804 | 1959 | 4047 | 42 |
MT | 285 143 | 8.2 | 23 269 | 18 006 | 30 042 | 27 |
NC | 3 303 760 | 3.6 | 119 633 | 76 523 | 187 279 | 4 |
ND | 49 355 | 4.1 | 2014 | 1591 | 2659 | 45 |
NE | 345 966 | 5.0 | 17 399 | 13 593 | 22 252 | 29 |
NH | 445 540 | 14 | 60 962 | 45 643 | 80 275 | 13 |
NJ | 964 107 | 4.2 | 40 563 | 26 951 | 60 496 | 20 |
NM | 303 139 | 10 | 30 990 | 24 485 | 38 647 | 23 |
NV | 157 998 | 14 | 21 533 | 17 769 | 25 641 | 28 |
NY | 2 046 039 | 3.2 | 66 265 | 47 992 | 92 295 | 12 |
OH | 1 830 099 | 10 | 189 191 | 118 913 | 294 655 | 2 |
OK | 315 670 | 1.4 | 4337 | 3392 | 5622 | 41 |
OR | 606 611 | 4.3 | 26 051 | 20 233 | 33 612 | 26 |
PA | 3 345 559 | 2.4 | 80 729 | 52 104 | 126 925 | 8 |
RI | 112 941 | 1.3 | 1509 | 1145 | 1998 | 46 |
SC | 1 152 116 | 2.4 | 28 131 | 18 768 | 42 146 | 25 |
SD | 75 585 | 1.6 | 1182 | 900 | 1663 | 47 |
TN | 538 259 | 1.0 | 5245 | 3448 | 8102 | 40 |
TX | 2 440 586 | 3.9 | 95 455 | 74 590 | 122 294 | 7 |
UT | 50 514 | 4.2 | 2131 | 1583 | 2816 | 44 |
VA | 1 649 470 | 3.2 | 52 800 | 34 585 | 81 003 | 14 |
VT | 181 611 | 5.3 | 9716 | 6988 | 13 363 | 35 |
WA | 1 002 899 | 5.2 | 52 249 | 40 173 | 67 401 | 15 |
WI | 1 644 873 | 4.4 | 72 670 | 58 722 | 90 438 | 10 |
WV | 393 332 | 2.9 | 11 589 | 6309 | 20 661 | 32 |
WY | 114 123 | 5.4 | 6215 | 5001 | 7761 | 38 |
Total | 44 076 331 | 2 101 648 | 1 542 173 | 2 879 171 | – |