Figure: 30 TAC §290.111(c)(3)(B)(i)
| A system that serves . . . | Must comply with the requirements of this paragraph no later than . . . |
| At least 100,000 people | April 1, 2012 |
| From 50,000 to 99,999 people | October 1, 2012 |
| From 10,000 to 49,999 people | October 1, 2013 |
| Fewer than 10,000 people | October 1, 2014 |