Figure: 30 TAC §290.111(b)(4)(A)
| Systems that are not part of a combined distribution system(1) and serve . . . | must begin the first round of source water monitoring no later than the month beginning . . . | and must begin the second round of source water monitoring no later than the month beginning. . . |
|---|---|---|
| At least 100,000 people | October 1, 2006 | April 1, 2015 |
| From 50,000 to 99,999 people | April 1, 2007 | October 1, 2015 |
| From 10,000 to 49,999 people | April 1, 2008 | October 1, 2016 |
| Fewer than 10,000 people and monitor for E. coli | October 1, 2008 | October 1, 2017 |
| Fewer than 10,000 and monitor for Cryptosporidium | April 1, 2010 | April 1, 2019 |
| (1)Systems that provide treated surface water to another system and are part of a combined distribution system must begin monitoring at the same time as the system in the combined distribution system that has the earliest compliance date. | ||