35 Ill. Adm. Code 611.TABLE B
B Fecal or Total Coliform Density Measurements
Section 611.TABLE B Fecal
or Total Coliform Density Measurements
System Size
(Persons Served)
Samples per Week
500
or fewer
1
501
to
3300
2
3301
to
10,000
3
10,001
to
25,000
4
More than
25,000
5
Samples must be taken on
separate days.
BOARD NOTE: Derived from 40 CFR
141.74(b)(1) (2012).