Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $426.3 | 227 |
| Medium Quality | $255.22 | 158 |
| Low Quality | $152.35 | 45 |
| Dubuque, Iowa | $65 | an eighth | medium quality | May 15, 2012 |
| Iowa City, Iowa | $400 | an ounce | high quality | May 15, 2012 |
| Cedar Rapids, Iowa | $100 | 5 grams | medium quality | May 14, 2012 |
| Council Bluffs, Iowa | $5 | an ounce | medium quality | May 14, 2012 |
| Sioux City, Iowa | $60 | an eighth | high quality | May 13, 2012 |
| Burlington, Iowa | $30 | an eighth | medium quality | May 13, 2012 |
| Decorah, Iowa | $450 | an ounce | high quality | May 12, 2012 |
| Knoxville, Iowa | $300 | an ounce | high quality | May 12, 2012 |
| Davenport, Iowa | $130 | a half ounce | medium quality | May 11, 2012 |
| Waukee, Iowa | $100 | 5 grams | medium quality | May 11, 2012 |
| Ames, Iowa | $60 | an eighth | medium quality | May 10, 2012 |
| Anamosa, Iowa | $300 | an ounce | medium quality | May 10, 2012 |
| Alburnett, Iowa | $80 | 5 grams | high quality | May 9, 2012 |
| Elkader, Iowa | $50 | 5 grams | medium quality | May 8, 2012 |
| Davenport, Iowa | $80 | a quarter | medium quality | May 8, 2012 |