Ill. Admin. Code tit. 35, pt. 611, subpt. AG, tbl. F - Number of Water Quality Parameter Sampling Sites

System Size	Minimum Number of Sites
(Number of Persons Served)	(Standard Monitoring)	(Reduced Monitoring)
more than 100,000	25	10
10,001 to 100,000	10	7
3,301 to 10,000	3	3
501 to 3,300	2	2
101 to 500	1	1
100 or fewer	1	1

Notes

Ill. Admin. Code tit. 35, pt. 611, subpt. AG, tbl. F

Amended at 37 Ill. Reg. 1978, effective February 4, 2013 Amended at 47 Ill. Reg. 16486, effective 11/2/2023

BOARD NOTE: This Table F derives from 40 CFR 141.87(a)(2)(i) and (e)(1).