Figure: 30 TAC §290.117(c)(1)(A)

Required Number of Lead and Copper Tap Sample Sites
System Size
(Number of People Served)
Number of Sites for
Initial/Routine Monitoring
Number of Sites for Reduced Monitoring:
annual, three-year, and nine-year
more than 100,000 100 50
10,001 to 100,000 60 30
3,301 to 10,000 40 20
501 to 3,300 20 10
101 to 500 10 5
100 or fewer 5 5