Heavily Enforced
Very Intolerant
| Quality | Average ($/Oz.)* | Sample Size |
| High Quality | $424.14 | 465 |
| Medium Quality | $200.49 | 293 |
| Low Quality | $144.44 | 48 |
| Silver Spring, Maryland | $375 | an ounce | high quality | May 16, 2012 |
| Laurel, Maryland | $20 | 5 grams | medium quality | May 16, 2012 |
| Greenbelt, Maryland | $50 | an eighth | high quality | May 15, 2012 |
| Bethesda, Maryland | $100 | 5 grams | medium quality | May 15, 2012 |
| Baltimore, Maryland | $450 | an ounce | high quality | May 15, 2012 |
| Baltimore, Maryland | $400 | an ounce | high quality | May 15, 2012 |
| Towson, Maryland | $340 | an ounce | high quality | May 14, 2012 |
| Columbia, Maryland | $20 | 25 grams | low quality | May 14, 2012 |
| Waldorf, Maryland | $700 | an ounce | high quality | May 13, 2012 |
| Annapolis, Maryland | $150 | 15 grams | high quality | May 13, 2012 |
| Capitol Heights, Maryland | $350 | a quarter | medium quality | May 13, 2012 |
| Riverdale, Maryland | $250 | 20 grams | medium quality | May 12, 2012 |
| Annapolis, Maryland | $50 | an eighth | high quality | May 10, 2012 |
| Solomons, Maryland | $75 | 10 grams | medium quality | May 9, 2012 |
| Annapolis, Maryland | $60 | an eighth | high quality | May 8, 2012 |