2010 | 2005 | 2015 | |||||||||
Census Data | Violations | TTHM | Violations | TTHM | |||||||
State | Population | Income | Systems | Total | TTHM | [ppb] | Total | TTHM | [ppb] | % Change | |
IL | Indiana | 12,830,632 | $52,972 | 5761 | 5077 | 57 | 16.1 | 4305 | 20 | 32.0 | 12.3% |
IN | Indiana | 6,483,802 | $44,613 | 4221 | 4079 | 38 | 46.0 | 2039 | 5 | 78.0 | 3.7% |
IA | Iowa | 3,046355 | $52,972 | 1966 | 1377 | 93 | 46.6 | 911 | 5 | 95.0 | 4.4% |
KS | Kansas | 2,853,118 | $44,613 | 1035 | 738 | 353 | 4.3 | 382 | 36 | 16.0 | 86.5% |
MI | Michigan | 9,883,927 | $47,961 | 11320 | 2824 | 7 | 18.9 | 2478 | 1 | 78.3 | 21.9% |
MN | Minnesota | 5,303,925 | $48,257 | 7128 | 484 | 2 | 26.2 | 450 | 37 | 46.9 | 6.8% |
MO | Missouri | 5,988,927 | $45,413 | 2797 | 2182 | 112 | 15.4 | 1801 | 58 | 34.0 | 14.3% |
NE | Nebraska | 1,826,341 | $55,459 | 1319 | 588 | 1 | 49.0 | 516 | 6 | 68.0 | 2.8% |
ND | N. Dakota | 672,591 | $44,301 | 512 | 209 | 49 | 17.0 | 375 | 19 | 63.0 | 21.8% |
OH | Ohio | 11,536,504 | $48,408 | 5392 | 5020 | 168 | 31.6 | 2340 | 39 | 55.0 | 5.5% |
SD | S. Dakota | 814,180 | $48,670 | 652 | 571 | 14 | 67.0 | 466 | 3 | 78.0 | 1.7% |
WI | Wisconsin | 5,686,698 | $45,090 | 5761 | 5077 | 57 | 16.1 | 4305 | 20 | 32.0 | 8.0% |